Document Document Title
US10521369B1 Host device with multi-path layer configured for per-process data reduction control
An apparatus in one embodiment comprises a host device configured to communicate over a network with a storage system comprising a plurality of storage devices. The host device comprises a set of input-output queues and a multi-path input-output driver configured to select input-output operations from the set of input-output queues for delivery to the storage system over the network. The multi-path input-output driver is further configured to determine data reduction control indicators for the input-output operations, and to provide the data reduction control indicators to the storage system in association with the input-output operations. Different data reduction control indicators are associated with different ones of the input-output operations that are generated by different processes running on the host device. The storage system adapts its performance of data reduction for the different ones of the input-output operations based at least in part on their associated data reduction control indicators.
US10521366B2 System and method for individual addressing
In one embodiment, a system includes a bus interface including a first processor, an indirect address storage storing a number of indirect addresses, and a direct address storage storing a number of direct addresses. The system also includes a number of devices connected to the bus interface and configured to analyze data. Each device of the number of devices includes a state machine engine. The bus interface is configured to receive a command from a second processor and to transmit an address for loading into the state machine engine of at least one device of the number of devices. The address includes a first address from the number of indirect addresses or a second address from the number of direct addresses.
US10521363B2 Fully-digital multiple pin value detector apparatus and sampling methods useful in conjunction therewith
An Integrated circuit (IC) device accommodating a circuit and associated control module, being operative to determine an apparatus characteristic in accordance with one out of few selectable characteristics. The circuit is operative in conjunction with more than three of a plurality of external passive circuits corresponding to the plurality of apparatus characteristics, and includes (N≥1) digital I/O pins. The control module is operative to: (i) in response to a series of triggering signals, generate samples of the digital I/O pin's state that correspond to a plurality of different sequences of states when each of the plurality of external circuits is respectively applied to the pin and (ii) determining, from the samples, which of the plurality of different sequences of states has occurred that corresponds to the individual external circuit that has been applied to the pin; and (iii) determining an individual apparatus characteristic which corresponds to the determined sequence.
US10521362B2 Method and device for storage management
Embodiments of the present disclosure provide a method and device for storage management. The method comprises receiving at a storage management device a configuration request for a storage space managed by the storage management device, the configuration request indicating a capacity of the storage space and a target size of a chunk in the storage space; and based on the capacity and the target size, dividing the storage space into a metadata region storing a chunk status indicator indicating whether the chunk is assigned with data and a data region including the chunk with the target size. Embodiments of the present disclosure also provide a corresponding device.
US10521361B2 Memory write protection for memory corruption detection architectures
Memory corruption detection technologies are described. A method may store in a register an address of a memory corruption detection (MCD) table. The method receives, from an application, a memory store request to store data in a first portion of a contiguous memory block of a memory and sends, to the application, a fault message when a fault event associated with the first portion occurs in view of a protection mode of the first portion, wherein the protection mode indicates that the first portion is write protected.
US10521359B2 Secure distance computations
Methods, systems, and computer program products for secure distance computations are provided herein. A computer-implemented method includes transforming a set of multiple data points, thereby creating a multiple-dimension representation of the set of data points; storing multiple distinct portions of the multiple-dimension representation of the set of data points across multiple distinct cloud infrastructures; transforming a query point, thereby creating a multiple-dimension representation of the query point; sending multiple distinct portions of the multiple-dimension representation of the query point to the multiple distinct cloud infrastructures; calculating a distance between each of the stored distinct portions of the multiple-dimension representation of the set of data points and each of the sent distinct portions of the multiple-dimension representation of the query point; determining a total distance value by summing the calculated distances; and outputting the total distance value to at least one user.
US10521346B2 Arithmetic processing apparatus and control method for arithmetic processing apparatus
An arithmetic processing apparatus includes, a plurality of core memory groups, each of core memory groups including a plurality of arithmetic processing circuits, cache memory circuitry, shared by the plurality of arithmetic processing circuits, including a cache memory, a cache tag that stores a state of the cache memory, a tag directory that stores data possession information by a cache memory in another core memory group, and a memory access control circuit that receives a first memory access request from the cache memory circuitry and controls access to a memory other than a cache memory included in the cache memory circuitry, and a cache memory control circuit that receives a second memory access request from the arithmetic processing circuits and a third memory access request from the another core memory group and controls access to the cache memory.
US10521345B2 Managing input/output operations for shingled magnetic recording in a storage system
A system and method for improving the management of data input and output (I/O) operations for Shingled Magnetic Recording (SMR) devices in a network storage system is disclosed. The storage system includes a storage controller that receives a series of write requests for data blocks to be written to non-sequential addresses within a pool of SMR devices. The storage controller writes the data blocks from the series of write requests to a corresponding sequence of data clusters allocated within a first data cache of the storage controller for a thinly provisioned volume of the pool of SMR devices. Upon determining that a current utilization of the first data cache's data storage capacity exceeds a threshold, the sequence of data clusters including the data blocks from the first data cache are transferred to sequential physical addresses within the SMR devices.
US10521340B2 Memory system and operating method thereof
A memory system includes a plurality of memory blocks, first and second queues, and a controller suitable for queuing first victim blocks whose error information value is equal to or greater than a threshold value among the memory blocks in the first queue, queuing second victim blocks whose read count is equal to or greater than a threshold value in the second queue, rearranging a priority order of the first and second victim blocks queued in the first and second queues based on read reclaim values, and performing a read reclaim operation on the first and second victim blocks based on the priority order.
US10521339B2 Retired page utilization (RPU) for improved write capacity of solid state drives
A method for writing data to a memory module, the method may include determining to write a representation of a data unit to a retired group of memory cells; searching for a selected retired group of memory cells that can store a representation of the data unit without being erased; and writing the representation of the data unit to the selected retired group of memory cells.
US10521338B2 Method, system and device for memory device operation
Disclosed are methods, systems and devices for operation of memory device. In one aspect, bit positions of a portion of a memory array may be placed in a first value state. Values to be written to the bit positions may be determined subsequent to placement of the bit positions in the first value state. Values at selected ones of the bit positions may then be changed from the first value state to a second value state while maintaining remaining unselected ones of the bit positions in the first value state so that the bit positions store or represent the values determined to be written to the bit positions.
US10521337B1 Systems and methods for mainframe batch testing
Methods and systems for performing mainframe batch testing and/or property-based validation testing using a finite-state machine are provided. According to certain aspects, a validation server may receive a set of batch data designed to validate a property under test, such as during mainframe batch testing. A validation server may validate that the set of batch data is in a proper format. The validation server may then cause a finite-state machine to process instructions contained within the set of batch data. Once the finite-state machine processes the set of batch data, the validation server may then validate that the finite-state machine adheres to the property under test. If the validation fails, the validation server may generate an error report describing the failure.
US10521336B1 Systems and methods for testing a software application
Systems, methods, and computer-readable media are disclosed for testing a software application. An exemplary method includes storing a control file identifying a test case for testing a software application. A first expected result may be extracted from a device storing expected results of the software application, the first expected result being identified by the control file. A first actual result may be extracted from a device storing actual results output by the software application, the first actual result being identified by the control file. The first expected result may be compared with the first actual result to determine whether the first actual result matches the first expected result. A result file indicating whether the test case passed or failed is generated, and the test case has passed when the first actual result matches the first expected result. The result file may be stored in a storage device.
US10521334B2 A/B testing for mobile applications
A machine may be configured to perform A/B testing on mobile applications. For example, the machine receives an identifier. The machine identifies a particular experiment variant for a mobile application based on the identifier. The machine generates an instruction executable by the mobile application to cause a display of a user interface on a mobile device according to a user interface layout based on the particular experiment variant. The machine, in response to the receiving of the identifier of the mobile device, transmits the instruction to the mobile device. An execution of the instruction on the mobile device results in the display of the user interface on the mobile device according to the user interface layout based on the particular experiment variant. The machine generates metric data associated with the particular experiment data based on tracking one or more interactions with the user interface on the mobile device.
US10521332B1 Parametrization of a simulation model
A method for parametrization of a simulation model includes: composing the simulation model based on placement of elementary blocks and line connectors between the elementary blocks; adding a first marker block containing a first digital identifier to a first subsystem in the simulation model; adding a second marker block containing a second digital identifier to a second subsystem in the simulation model; analyzing the simulation model; listing parameters of the simulation model in a hierarchical tree and displaying the hierarchical tree on a screen to facilitate altering the parameters of the simulation model via the hierarchical tree; and determining whether to list the first subsystem and the second subsystem in a common node of the hierarchical tree or in separate nodes of the hierarchical tree based on whether or not the first digital identifier and the second digital identifier are identical.
US10521330B2 Simulation of authorization checks using a debugger
For each statement of an application executing in a debugger script-controlled debugger session, if the statement comprises an authorization check for a user in regard to an object, and if the debugger includes a set of authorization rules associated with the object, then execution of the application is discontinued. Application values for each data field of the object are obtained. These values are compared to respective values specified by each rule of the set of authorization rules. If the current values do not match values specified by at least one of the rules, the authorization check is executed normally. If the current values do match values specified by at least one of the rules, then: the authorization check is skipped, a pass or fail value for the authorization check is registered by the executing application according to the at least one rule, and execution of the application continues normally.
US10521329B2 Debugging system
A debugging software system facilitates the process of debugging the execution of a program in environments where the user is not constantly present. The debugging software can perform automated debugging functionality without a user present, and using a notification program, notifies a user if and when a user's manual presence may be useful and/or necessary. The debugging software system may be particularly useful in environments where it is prohibitive to have a user constantly present (e.g., production environments). The software system facilitates the process of issuing prompt fixes to program defects (e.g., bugs) without updating the software and/or the original source code of the program.
US10521327B2 Non-coupled software lockstep
Systems and methods of detecting a difference in behavior of processes are provided. Differences may be detected by comparing operating system programmatic procedure invocations made by the processes.
US10521326B2 System and method for analyzing big data activities
A system and method for analyzing big data activities are disclosed. According to one embodiment, a system comprises a distributed file system for the entities and applications, wherein the applications include one or more of script applications, structured query language (SQL) applications, Not Only (NO) SQL applications, stream applications, search applications, and in-memory applications. The system further comprises a data processing platform that gathers, analyzes, and stores data relating to entities and applications. The data processing platform includes an application manager having one or more of a MapReduce Manage, a script applications manager, a structured query language (SQL) applications manager, a Not Only (NO) SQL applications manager, a stream applications manager, a search applications manager, and an in-memory applications manager. The application manager identifies if the applications are one or more of slow-running, failed, killed, unpredictable, and malfunctioning.
US10521323B2 Terminal controlling method and terminal therefor
A method of controlling a terminal is provided. The method includes determining a current status of at least one of the terminal and a peripheral environment of the terminal based on information obtained by using at least one sensor from a predetermined list of a plurality of statuses regarding the terminal or the peripheral environment of the terminal, determining an operation schedule of the at least one sensor based on the determined current status and the information obtained by using the at least one sensor, and controlling the at least one sensor to operate based on the determined operation schedule.
US10521322B2 Modeling and testing of interactions between components of a software system
A first set of information is identified, collected by a first agent during monitoring of a first software component. A second set of information is identified, that was collected by a second agent during monitoring of a second software component. It can be determined that the first and second sets of information each include characteristics of a particular transaction involving the first and second software components. A model is generated of the particular transaction based at least in part on the first and second sets of information. The model includes a representation of the involvement of the first and second software components within the particular transaction. In some aspects, characteristics included in the first and second set of information can include timing information for use, for example, in generating a model representing ordering of software components' involvement in one or more transactions.
US10521321B2 Diverse redundancy approach for safety critical applications
A graphics processing unit (GPU) of a GPU subsystem of a computing device operates in a first rendering mode to process graphics data to produce a first image. The GPU operates in a second rendering mode to process the graphics data to produce a second image. The computing device detects whether a fault has occurred in the GPU subsystem based at least in part on comparing the first image with the second image.
US10521317B1 Compressing data to be replicated utilizing a compression method selected based on network behavior
An apparatus comprises a first storage system comprising a plurality of storage devices. The first storage system is configured to participate in a replication process with a second storage system. The first storage system is further configured to identify data to be replicated to the second storage system as part of the replication process, to obtain information characterizing network behavior of at least one network connecting the first storage system to the second storage system, to select a compression method from a set of available compression methods based on the obtained information characterizing the network behavior of said at least one network, to compress the data to be replicated to the second storage system utilizing the selected compression method, and to provide the compressed data to the second storage system.
US10521316B2 System and method for handling multi-node failures in a disaster recovery cluster
A system and method for handling multi-node failures in a disaster recovery cluster is provided. In the event of an error condition, a switchover operation occurs from the failed nodes to one or more surviving nodes. Data stored in non-volatile random access memory is recovered by the surviving nodes to bring storage objects, e.g., disks, aggregates and/or volumes into a consistent state.
US10521312B1 Downtime management during database instance patching
A system for updating a database instance with a patch or new binary image. A database instance includes a database engine and a client-side storage layer driver to manage database state information and volume geometry state information associated with client process connections to a volume of a storage layer of a database system during the patching process. The database engine and the client-side storage service driver save database state information and volume geometry state information, execute the new binary image, and restore the updated database engine with the database state information and volume geometry state information. The new binary image may be executed using a fork/exec model, wherein file descriptors used to identify sockets used in existing client connections are preserved, enabling restoration of the client connections without interruption or downtime.
US10521310B2 Prioritized deployment of database artifacts
Systems and techniques for ordering deployment of artifacts to a database include collecting predecessor node information for nodes in a dependency graph. The dependency graph includes available edges connecting the nodes of the dependency graph, where each node in the dependency graph represents at least one artifact. A data structure contained within each of the nodes is populated with the predecessor node information. Successor node information is determined using the predecessor node information and an updated dependency graph is created by adding additional edges to the dependency graph using the predecessor node information in the data structure within each of the nodes and the successor node information. The artifacts are ordered for deployment to the database using the updated dependency graph.
US10521305B2 Holdup time measurement for solid state drives
In one embodiment, a solid state drive (SSD) with power loss protection (PLP) includes a SSD controller, a secondary controller and a power circuit configured to supply power to the SSD from a power source during normal operation and backup power from a backup power source in response to a loss of power supplied by the power source. In the event of a loss of power, the secondary controller is configured to track the holdup time, or duration of time for which the primary controller can operate on backup power. In one embodiment, the holdup time tracked by the secondary controller is stored in a non-volatile memory in communication with the secondary controller.
US10521303B2 Memory system for performing RAID recovery and a method of operating the memory system
In a method of operating the memory system, the method includes detecting whether data of a read-out unit read from a first cell region has an error correction code (ECC) failure, in response to an external read-out request for the read-out unit, recovering and outputting the data of the read-out unit by performing Redundant Array of Inexpensive Disk (RAID) recovery by using data and RAID parity read from other cell regions, recovering a plurality of pieces of data stored in the first cell region by performing the RAID recovery using the data and RAID parity read from the other cell regions, and migrating the recovered plurality of pieces of data to a second cell region in units of cell regions.
US10521296B2 Performing an additional decoding operation on an identified set of bits of a data block
A data block may be identified. A first decoding operation may be performed on the data block. An unsuccessful correction of an error of the data block associated with the first decoding operation may be determined. A set of bits of the data block that caused the unsuccessful correction of the error of the data block may be identified. In response to identifying the set of bits of the data block that is associated with the unsuccessful correction of the error, a second decoding operation on the set of bits of the data block may be performed. The second decoding operation may be different than the first decoding operation.
US10521291B2 Controller, semiconductor memory system and operating method thereof
An operating method of a controller, comprising: generating, when a first ECC decoding operation to codeword read from a semiconductor memory device according to a hard read voltage fails, an optimization information corresponding the result of the first ECC decoding operation; generating one or more quantization intervals determined by the optimization information; and performing a second ECC decoding operation to codeword read from the semiconductor memory device according to soft read voltages determined by the quantization intervals and the hard read voltage, wherein the optimization information includes: deterioration information of a memory block; ECC decoder parameter information; and constituent code parameter information.
US10521288B2 Collaborative application testing
A method, computer program product, and computer system for performing, at a computing device, an analysis of a web application. A response is annotated by the web application with coverage data based upon, at least in part, the analysis, wherein the coverage data indicates which actions have been performed on the web application and which actions have not been performed on the web application according to results of the analysis. The response that includes the coverage data is shared with one or more users.
US10521287B2 Background reads to condition programmed semiconductor memory cells
Method and apparatus for managing data in a semiconductor memory, such as but not limited to a three dimensional (3D) NAND flash memory array. In some embodiments, the memory has non-volatile memory cells arranged into addressable blocks. Each memory cell is configured to store multiple bits. A program/read control circuit programs data sets to and reads data sets from the memory cells in the addressable blocks to service a sequence of host access commands. The circuit concurrently performs background reads in conjunction with the servicing of the host access commands. The background reads result in the reading of a different data set from each of the addressable blocks over each of a succession of time intervals of selected duration. The background reads condition the memory cells prior to a first read operation associated with the host access commands.
US10521286B2 System and method for interoperable cloud DSL to orchestrate multiple cloud platforms and services
In one aspect, a computerized method utilizing an interoperable cloud Domain-specific language (DSL) to orchestrate multiple cloud platforms and services including the step of parsing one or more DSL inputs. The computerized method includes the step of validating one or more DSL inputs a content and a syntax based on a DSL type and a type of associated cloud platform. The computerized method includes the step of chaining the one or more DSL to orchestrate resources in various cloud platforms by using cloud-platform native DSL and with orchestrating operational tools using third party custom DSLs. The computerized method includes the step of parsing an input data structure from the one or more DSLs together. The computerized method includes the step of appending the input data structure from the one or more DSLs together to capture input values together for execution.
US10521282B2 System and method for providing a messaging application program interface
A system and method for providing a message bus component or version thereof (referred to herein as an implementation), and a messaging application program interface, for use in an enterprise data center, middleware machine system, or similar environment that includes a plurality of processor nodes together with a high-performance communication fabric (or communication mechanism) such as InfiniBand. In accordance with an embodiment, the messaging application program interface enables features such as asynchronous messaging, low latency, and high data throughput, and supports the use of in-memory data grid, application server, and other middleware components.
US10521276B2 Load balancing and fault tolerant service in a distributed data system
Techniques for load balancing and fault tolerant service are described. An apparatus may comprise load balancing and fault tolerant component operative to execute a load balancing and fault tolerant service in a distributed data system. The load balancing and fault tolerant service distributes a load of a task to a first node in a cluster of nodes using a routing table. The load balancing and fault tolerant service stores information to indicate the first node from the cluster of nodes is assigned to perform the task. The load balancing and fault tolerant service detects a failure condition for the first node. The load balancing and fault tolerant service moves the task to a second node from the cluster of nodes to perform the task for the first node upon occurrence of the failure condition.
US10521275B2 Asynchronous dispatcher for application framework
The described technology is directed towards an asynchronous dispatcher including control logic that manages a queue set, including to dequeue and execute work items from the queue on behalf of application code executing in a program. The dispatcher yields control to the program to allow the program and application code to be responsive with respect to user interface operations.
US10521273B2 Physical partitioning of computing resources for server virtualization
A baseboard management controller (BMC) can physically partition the computing resources of a physical host into different resource groups for concurrently running a different operating system per resource group. The BMC can allocate a first processor of the host to a first resource group and a second processor of the host to a second resource group. The BMC can separate the memory of the host into a first memory range for the first processor and a second memory range for the second processor, and the BMC can limit access to the first memory range to the first processor and limit access to the second memory range to the second processor. The BMC can also distribute physical or virtual peripheral devices of the host between the first processor and the second processor.
US10521272B1 Testing in grid computing systems
Techniques are disclosed for testing applications and systems used to provide a high performance computing (HPC) system, such as a cluster or grid. A grid computing system is tested using a “shadow mode” approach, where information regarding a parallel computing job launched on a first instance of a computing grid is recorded, stored, and used to replay the parallel computing job on a second instance of the computing grid. For example, the parallel computing job may be executed using a production build of grid applications and replayed on a candidate build of grid applications. Output from executing the parallel computing job is also captured in order to provide a reference result which may be compared with candidate results generated by replaying the parallel computing job. The parallel computing job may specify a set of inputs and execution logic along with any other requirements or dependencies needed to accurately replay the parallel computing job.
US10521270B2 Workload management with delegated correction of execution issues for improving a functioning of computing machines
A method and system for improving a functioning of critical execution computing machines by reducing an impact of an execution issue on execution of critical work units by respective critical execution computing machines. A promoted critical execution computing machine receives global correction information relating to the critical work units and to the critical execution computing machines. The execution issue impacts execution of the critical work units by each critical execution computing machine. One critical work unit had been promoted to become a promoted critical work unit that is to be executed by the promoted critical execution computing machine. The promoted critical execution computing machine: collects local correction information, receives peer correction information, determines one or more correction actions according to the global correction information, the local correction information, and the peer correction information, and causes an application of the corresponding correction actions onto the critical execution computing machines.
US10521269B2 Efficient distributed scheduler for a data partitioned system
Presented herein are methods, non-transitory computer readable media, and devices for optimizing thread assignment to schedulers, avoid starvation of individual data partitions, and maximize parallelism in the presence of hierarchical data partitioning are disclosed, which include: partitioning, by a network storage server, a scheduler servicing a data partitioned system into a plurality of autonomous schedulers; determining what fraction of thread resources in the data partitioned system at least one of the plurality of autonomous schedulers is to receive; and determining, with minimal synchronization, when it is time to allow the at least one of the plurality of autonomous schedulers servicing a coarse hierarchy to run.
US10521268B2 Job scheduling method, device, and distributed system
A job scheduling method including notifying, by a first control node scheduling a first task, a second control node scheduling a second task to obtain execution data generated by at least one task instance of the first task when the at least one task instance of the first task completes execution; obtaining, by the second control node, the execution data generated by the at least one task instance of the first task and assigning the execution data to each task instance of the second task; and scheduling, by the second control node, an execution of at least one task instance of the second task and processing the execution data. The techniques of the present disclosure improve scheduling efficiency and resource utilization rate.
US10521260B2 Workload management system and process
A high performance computing (HPC) system has an architecture that separates data paths used by compute nodes exchanging computational data from the data paths used by compute nodes to obtain computational work units and save completed computations. The system enables an improved method of saving checkpoint data, and an improved method of using an analysis of the saved data to assign particular computational work units to particular compute nodes. The system includes a compute fabric and compute nodes that cooperatively perform a computation by mutual communication using the compute fabric. The system also includes a local data fabric that is coupled to the compute nodes, a memory, and a data node. The data node is configured to retrieve data for the computation from an external bulk data storage, and to store its work units in the memory for access by the compute nodes.
US10521255B2 Interface and interruption management
The method includes identifying, by one or more computer processors, a program being utilized by a user. The method further includes identifying, by one or more computer processors, an environmental factor related to a user of the program. The method further includes determining, by one or more computer processes, a relationship between the program and the environmental factor. The method further includes generating, by one or more computer processors, one or more instructions for the program based at least in part on the determined relationship and the environmental factor.
US10521246B1 Application programming interface endpoint analysis and modification
In an example, a computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to access an application programming interface (API) endpoint, log the access of the API endpoint in an API usage log, analyze the API usage log to determine characteristics associated with the API endpoint, de-parameterize the API endpoint according to the analysis of the API usage log to generate a modified API endpoint, generate a mapping of the modified API endpoint to the API endpoint, and implement the modified API endpoint in a software application.
US10521239B2 Microprocessor accelerated code optimizer
A method for accelerating code optimization a microprocessor. The method includes fetching an incoming microinstruction sequence using an instruction fetch component and transferring the fetched macroinstructions to a decoding component for decoding into microinstructions. Optimization processing is performed by reordering the microinstruction sequence into an optimized microinstruction sequence comprising a plurality of dependent code groups. The optimized microinstruction sequence is output to a microprocessor pipeline for execution. A copy of the optimized microinstruction sequence is stored into a sequence cache for subsequent use upon a subsequent hit optimized microinstruction sequence.
US10521234B2 Concurrent multiple instruction issued of non-pipelined instructions using non-pipelined operation resources in another processing core
A method and circuit arrangement utilize inactive non-pipelined operation resources in one processing core of a multi-core processing unit to execute non-pipelined instructions on behalf of another processing core in the same processing unit. Adjacent processing cores in a processing unit may be coupled together such that, for example, when one processing core's non-pipelined execution sequencer is busy, that processing core may issue into another processing core's non-pipelined execution sequencer if that other processing core's non-pipelined execution sequencer is idle, thereby providing intermittent concurrent execution of multiple non-pipelined instructions within each individual processing core.
US10521233B2 Electronic control unit
In an electronic control unit, an important process includes several instructions that are successively executed and contain no branch instruction. Each of the instructions is stored in each of storage areas of memory according to an execution sequence. The storage areas are respectively assigned addresses that vary in increments of a specified value according to the execution sequence. The important process stores, in an expected value counter, a value of a program counter when control transitions to the important process. If a comparison result indicates a difference between the value of the program counter and a value of the expected value counter, an occurrence of an error is determined.
US10521226B2 Efficient implementation of complex vector fused multiply add and complex vector multiply
Disclosed embodiments relate to efficient complex vector multiplication. In one example, an apparatus includes execution circuitry, responsive to an instruction having fields to specify multiplier, multiplicand, and summand complex vectors, to perform two operations: first, to generate a double-even multiplicand by duplicating even elements of the specified multiplicand, and to generate a temporary vector using a fused multiply-add (FMA) circuit having A, B, and C inputs set to the specified multiplier, the double-even multiplicand, and the specified summand, respectively, and second, to generate a double-odd multiplicand by duplicating odd elements of the specified multiplicand, to generate a swapped multiplier by swapping even and odd elements of the specified multiplier, and to generate a result using a second FMA circuit having its even product negated, and having A, B, and C inputs set to the swapped multiplier, the double-odd multiplicand, and the temporary vector, respectively.
US10521222B2 Hybrid system for remote application development
A hybrid system for software development in which dynamic content processing occurs locally at each developer's computing device, while static content processing occurs remotely via a network-based software deployment server. Moreover, the system provides for multiple designer-specific websites to be created within a network-based Common Internet File System (CIFS) so that developers can work in parallel. Further, file/code transfer between the network-based deployment server and the local computing devices occurs seamlessly and in real-time, so that processing delays are minimized.
US10521221B2 Method and apparatus for upgrading vhost-net module
A method and an apparatus for upgrading a para-virtualized network adapter kernel acceleration module are disclosed. The method includes switching a network flow of a first para-virtualized network adapter kernel acceleration module to a user mode for transmission; removing the first para-virtualized network adapter kernel acceleration module; inserting a second para-virtualized network adapter kernel acceleration module; and switching a transmission of the network flow in the user mode to a transmission by the second para-virtualized network adapter kernel acceleration module. The method and the apparatus for upgrading a para-virtualized network adapter kernel acceleration module switches between a kernel mode and a user mode for a network flow without affecting fluctuations in a network flow of a virtual machine. An upgrade of a para-virtualized network adapter kernel acceleration module is achieved, which is unnoticeable by a user, and user experience is not affected.
US10521214B2 Methods and systems for upgrade and synchronization of securely installed applications on a computing device
Embodiments of the present disclosure provide for upgrades and synchronization of applications installed on a device, such as a mobile device. In one embodiment, a device may include applications purchased and downloaded via a content management system. The device maintains a list or database of applications that are authorized for each device. This list is also replicated in a remote cache that is maintained by an archive host. The device may then synchronize and upgrade these applications across multiple platforms, such as one or more computers that can be coupled to the device or the archive host. The archive host allows for files of the application be provided back to the device. Upon installation, the device can then confirm the authorization and identity of the newly installed application.
US10521207B2 Compiler optimization for indirect array access operations
Systems, methods, and computer program products relating to compiling source code to reduce memory operations during execution. A compiler receives source code. The compiler identifies an indirect access array operation in the source code. The compiler generates replacement code for the indirect access array operation. The replacement code includes a mask array and a union data structure. The compiler generates modified code. The modified code modifies the source code to include the replacement code in place of the indirect access array operation.
US10521206B2 Supporting compiler variable instrumentation for uninitialized memory references
Implementations of the disclosure provide systems and methods for ensuring that the value for any local function variable is initialized before it is used during the execution of the function. The method comprises identifying, by a processor executing a compiler, a reference to a local variable in a source code. It is determined that there can be a usage of the local variable in an uninitialized state as an operand for an operation. In the source code, a notation is identified that is associated with the local variable for suppressing a warning by the compiler with respect to using the local variable in the uninitialized state as an operand for an operation, In view of the source code, an object code is generated for tracking initialization and usage of the local variable at runtime.
US10521204B2 Existential type packing for structurally-restricted existential types
A compiler may perform type checking as part of analyzing source code. The type checking may include existential type packing for structurally-restricted existential types. At compile time, the compiler may need to use an existential type that does not conform to the language's structural rules. The compiler may apply the “pack” operation described herein to produce a supertype of the desired existential type that does conform to the language's structural rules, and thus can be used as an approximation of the desired type. The compiler may then perform additional type checking using the resulting type.
US10521200B2 Unambiguous proxying of interface methods
A runtime environment identifies a request for a proxy object whose class implements a plurality of interfaces. Responsive to the request, the runtime object generates a class for the proxy object. Generating the class comprises determining that two or more interfaces, of the plurality of interfaces, define a respective method body with a same method signature. Responsive to determining that the two or more interfaces define a respective method body with a same method signature, the runtime environment may (a) omit a method body, in the class, for a particular method corresponding to the method signature, (b) include a method body that triggers a runtime error, or (c) include a method body that includes operations to select a default method declared in one of the two or more interfaces.
US10521194B2 Mixed-precision floating-point arithmetic circuitry in specialized processing blocks
The present embodiments relate to integrated circuits with circuitry that efficiently performs mixed-precision floating-point arithmetic operations. Such circuitry may be implemented in specialized processing blocks. The specialized processing blocks may include configurable interconnect circuitry to support a variety of different use modes. For example, the specialized processing blocks may implement fixed-point addition, floating-point addition, fixed-point multiplication, floating-point multiplication, sum of two multiplications in a first floating-point precision, with or without casting to a second floating-point precision and the latter followed by a subsequent addition in the second floating-point precision, if desired, just to name a few. In some embodiments, two or more specialized processing blocks may be arranged in a cascade chain and perform together more complex operations such as a recursive mode dot product of two vectors of floating-point numbers having a first floating-point precision and output the dot product in a second floating-point precision.
US10521193B2 Monitoring system and monitoring method
Provided is a monitoring system including an operation results acquisition unit that acquires time series data of each of a plurality of indexes that indicate operation results of a monitoring target; an overall index generation unit that produces time series data of an overall index by combining a plurality of index values at a same time point based on the time series data of each of the plurality of indexes; and a change point detection unit that analyzes the time series data of the overall index, and detects a point where a significant change appears in the overall index values, as a change point in a status of the monitoring target.
US10521192B2 Information processing apparatus, information processing system, and non-transitory computer readable medium
An information processing apparatus connected to multiple devices and a server via a network includes a number-of-licenses acquiring unit, a display controller, and an installation controller. The number-of-licenses acquiring unit acquires, from the server, number-of-licenses information indicating the number of licenses, which is the number based on which a user is capable of using application software. The display controller performs control to display information indicating the application software and information indicating the devices in a form of a list. The installation controller performs control to install the application software into at least one of the devices when an operation for dragging and dropping the information indicating the application software onto the information indicating the at least one device is received from the user. The display controller performs the control to display information indicating the acquired number-of-licenses information adjacent to or over the information indicating the application software.
US10521191B1 Multi-faceted search
A facility for representing a set of items each potentially having a value for each of a group of attributes is described. The items are represented in a database made up of two or more discrete components. Each component corresponds to a proper subset of group of attributes, and represents for every item of the set the values of its proper subset of attributes. Every component is organized such that data items are represented within it in the same order.
US10521188B1 Multi-user TV user interface
Systems and methods for a media content system. A media content provider includes storage for storing and serving video content to subscribers. The media content provider records and or otherwise stores video content from around the world. The system includes display devices configured to identify and tailor content to multiple individual users. Each user may have individual settings which provide for a customized viewing environment and experience. The system is configured to identify users of the system in order to tailor the content as appropriate. In addition, identification of users allows for the identification of the subscription content that corresponds to the user. Based upon identification of a user and corresponding subscription, the user's subscription content may be streamed to any location. In this manner, the users subscribed content may follow the user from home to a friend's house, or elsewhere.
US10521187B2 Presenting visual information on a display
For presenting visual information on a display, a processor determines to show visual information in response to an audible command from a user. The processor further identifies a display that is viewable by the user and accessible via communication hardware. In addition, the processor presents the visual information on the display via the communication hardware.
US10521184B2 Audio profile configurations
Examples of the present disclosure can include a computing device comprising a detection engine to detect whether an audio setup of an external audio device is supported. The computing device can include an audio profile engine to, in response to detection that the audio setup is supported, provide an audio profile for use by the external audio device. Examples of the present disclosure can include an external audio device coupled to the computing device.
US10521178B2 Method of controlling mobile devices in concert during a mass spectators event
The present invention discloses a system and a method for controlling multiple computerized mobile devices in a mass spectator event, such as a music show, sporting event, political event and the like. The present invention also discloses a method of sending data and commands through UDP Multicast protocol by overloading an existing UDP multicast. The present invention also discloses a method of synchronizing computerized mobile devices in order to perform specific actions simultaneously such as playing a media file, vibrating the mobile device, turning on or off the camera light of a mobile device, playing a particular sound, displaying a text and the like. The present invention also discloses coordinating the computerized mobile devices in various manners.
US10521175B2 System and method of data processing for a printing operation
Systems and methods relating to preparing data for use in a printing operation are provided. One method includes receiving selected records from a first data source. The selected records have been subjected to a first record characteristic updating step and the selected records comprise mail information useful for delivery of printed materials. The method further includes updating the selected records with a second record characteristic updating step. A time at which the second record characteristic updating step is performed is determined in relation to a print production schedule for the printed materials. The method further includes creating a postal pre-sort file based upon the updated selected records for use in the printing operation. The printing operation is performed on a printing device based on the pre-sorted records.
US10521173B2 Print control apparatus, print system, and non-transitory recording medium for identifying at least one of a plurality of printers capable of executing a print job
A print control apparatus controls at least one printer including a first printing mechanism to perform a first printing process with a first paint and a second printing mechanism to perform a second printing process with a second paint. The print control apparatus includes circuitry configured to set, based on an operation performed by a user, a print order in which the first printing process and the second printing process are executed, generate a print job based on the print order, acquire device information representing relative positions of the first printing mechanism and the second printing mechanism, determine whether the print job is executable in one pass printing based on the print order and the device information, and notify the user of information indicating whether the one pass printing is executable.
US10521171B2 Apparatus and method for managing objects between information processing apparatuses
An information processing apparatus capable of managing an object to which a print queue for instructing execution of processing on an image processing apparatus is allocated is configured to determine whether an image processing apparatus corresponding to a print queue allocated to an object managed by another information processing apparatus is identical with an image processing apparatus corresponding to a print queue registered in the information processing apparatus, and, in a case where it is determined that the image processing apparatuses are identical with each other, to make a setting for allocating the print queue registered in the information processing apparatus to an object to be displayed on the information processing apparatus.
US10521169B2 Print data generation device, method for controlling print data generation device, and program
A host device to which a print data generation device according to the invention is applied includes: a preview display unit which displays a handwritten input trajectory on a tape image showing an outer shape of a tape; a display control unit which performs display control of the preview display unit; and a print data generation unit which generates print data to print an image based on the input trajectory, on the tape with a size based on the tape image displayed by the preview display unit. The display control unit enlarges the tape image to include the handwritten input trajectory if the handwriting is performed outside the tape image.
US10521164B2 Image-forming-apparatus managing device, image-forming-apparatus managing method, image-forming-apparatus managing program, and image forming system
An image-forming-apparatus managing device includes: a memory that stores a plurality of pieces of setting data of an image forming apparatus; a communication interface that communicates with the image forming apparatus; and a hardware processor that writes the plurality of pieces of setting data into the image forming apparatus, wherein the hardware processor writes the plurality of pieces of setting data into the image forming apparatus in a mode appropriate to order of priority in the plurality of pieces of setting data based on a characteristic of the image forming apparatus.
US10521163B2 Image forming apparatus, state controlling method for the apparatus, and image forming system
An image forming apparatus includes a communication device that receives print data from an external information device; a storage device that stores the print data; an image forming unit that prints out the print data; and a control unit that performs control so as to select any of multiple power states at least including a quick response available state and a response available state. The control unit transmits the print data to an external image forming apparatus in response to a request from the external image forming apparatus, determines whether at least one external certain image forming apparatus is capable of communication if a power-off request is submitted in the quick response available state, and makes the transition to the response available state if the external certain image forming apparatus is not capable of communication.
US10521162B1 Searching for and notifying a user to pick-up a printed document
Method(s) and apparatus(es) relate to notification to pick-up a printed document (“document”). In a method, stored are: at least one operation image of the document, and operation metadata and a user identity associated with a scanning or printing. A scan of at least one page of the document is received by the printer to generate at least one scanned image and scan metadata. The scan metadata is compared with data entries in a printer log to obtain a match to the operation metadata. The at least one operation image stored in relation to the operation metadata matching the scan metadata is retrieved. The at least one scanned image is compared to the at least one operation image. Responsive to determining the at least one scanned image matches the at least one operation image, sent from the printer is a confidential notification for the user identity to pick up the document.
US10521159B2 Non-disruptive automatic application regrouping
Presented herein are system and method for providing a non-disruptive mechanism for splitting a parent volume located on a first aggregate into a new volume, the method comprising: splitting the parent volume, by the network storage system, into a new volume, wherein the new volume comprises an application; and providing a snapshot of the parent volume at the new volume.
US10521154B2 Automatic switch to single SPI mode when entering UDPD
A method of controlling an ultra-deep power down (UDPD) mode in a memory device, can include: receiving a write command from a host via an interface; beginning a write operation on the memory device to execute the write command; reading an auto-UDPD (AUDPD) configuration bit from a status register; switching the interface to a Single SPI mode in response to the write command and the AUDPD configuration bit being set; completing the write operation on the memory device; automatically entering the UDPD mode upon completion of the write operation in response to the AUDPD configuration bit being set; and entering a standby mode upon completion of the write operation in response to the AUDPD configuration bit being cleared.
US10521151B1 Determining effective space utilization in a storage system
Determining effective space utilization in a storage system, including: identifying an amount of data stored within the storage system that is associated with a user-visible entity; identifying an amount of data stored within the storage system that is associated with all snapshots of the user-visible entity; and reporting, in dependence upon the amount of data stored within the storage system that is associated with the user-visible entity and the amount of data stored within the storage system that is associated with all snapshots of the user-visible entity, a total capacity utilization associated with the user-visible entity.
US10521146B1 UFS based idle time garbage collection management
Disclosed in some examples are systems, methods, NAND memory devices, and machine readable mediums for intelligent SLC cache migration processes that move data written to SLC cache to MLC storage based upon a set of rules that are evaluated using the state of the NAND device. In some examples, the SLC cache migration process may utilize a number of NAND operational parameters to determine when to move the data written to SLC cache to MLC, how much data to move from SLC to MLC, and the parameters for moving the data.
US10521145B1 Method, apparatus and computer program product for managing data storage
There is disclosed herein techniques for managing data storage. In one exemplary embodiment, the techniques comprise generating one or more sets of storage devices. Each set is configured to be mutually exclusive with respect to other sets of the one or more sets such that storage devices within the same set provide the basis for the formation of a RAID (Redundant Arrays of Independent Disks) stripe. The techniques further comprise forming a RAID stripe from respective storage extents associated with different storage devices of the same set. The techniques further comprise mapping a storage object to the RAID stripe. The techniques further comprise servicing host I/O (Input/Output) operations directed to the storage object by using the RAID stripe mapped thereto.
US10521144B2 Data block storage by splitting file content and file headers for independent storage
Provided are a data block storage method, a data query method and a data modification method. The data block storage method splits file content of a data block to be stored, to generate at least two pieces of file content of the split data block. The file content of the data block to be split comprises at least one character set which is the smallest unit of the file content indicating the meaning of the data block to be split, the character set comprises a plurality of characters, each piece of file content of the split data block comprises a portion of the characters of the same character set. Even if another person obtains a portion of the data content after splitting, it would not be possible to parse effective content; and the split file content is stored in at least two independent storage systems, improving data security.
US10521143B2 Composite aggregate architecture
Techniques are provided for providing a storage abstraction layer for a composite aggregate architecture. A storage abstraction layer is utilized as an indirection layer between a file system and a storage environment. The storage abstraction layer obtains characteristic of a plurality of storage providers that provide access to heterogeneous types of storage of the storage environment (e.g., solid state storage, high availability storage, object storage, hard disk drive storage, etc.). The storage abstraction layer generates storage bins to manage storage of each storage provider. The storage abstraction layer generates a storage aggregate from the heterogeneous types of storage as a single storage container. The storage aggregate is exposed to the file system as the single storage container that abstracts away from the file system the management and physical storage details of data of the storage aggregate.
US10521137B1 Storage device array integration of dual-port NVMe device with DRAM cache and hostside portion of software stack system and method
A method, computer program product, and computer system for receiving, by a computing device, a write I/O to a storage device array coupled to a cache, wherein the write I/O may be received from a host. A cache miss in the cache may be determined for the write I/O. One or more free pages may be allocated at an address in the cache to store data for the write I/O. The address in the cache to store the data may be sent to a hostside portion of a software stack in the storage device array. The data may be written directly from the hostside portion to the cache at the address.
US10521134B2 Memory system
A memory system has a first memory which comprises a nonvolatile memory data region, and a second memory which stores data before storing in a third memory, the data not being written back on the third memory in a lower-level with access priority lower than access priority of the first memory, among data inside the nonvolatile memory data region, wherein the second memory has a bit error rate lower than a bit error rate of the first memory.
US10521128B2 Data shuffling in a non-uniform memory access device
A method of orchestrated shuffling of data in a non-uniform memory access device that includes a plurality of processing nodes connected by interconnects. The method includes running an application on a plurality of threads executing on the plurality of processing nodes. Data to be shuffled is identified from source threads running on source processing nodes among the processing nodes to target threads executing on target processing nodes among the processing nodes. The method further includes generating a plan for orchestrating the shuffling of the data among the all of the memory devices associated with the threads and for simultaneously transmitting data over different interconnects to a plurality of different target processing nodes from a plurality of different source processing nodes. The data is shuffled among all of the memory devices based on the plan. Shifting the data-shifting table includes rotating a first ring with respect to a second ring.
US10521124B1 Application-specific workload-based I/O performance management
Techniques and mechanisms for establishing and implementing performance objectives for an application based at least in part on a workload type of the application. A system includes a storage system on which an application imposes a workload by utilizing storage resources of the storage system, and a performance level has been associated with the application. A workload type is associated with the application based on the type of workload, and a performance objective is determined for the application based on the performance level and the workload type of the application. The storage resources are manipulated to achieve the performance objective.
US10521123B2 Additive library for data structures in a flash memory
Systems and methods for managing data structures in a flash memory. A library is provided that supports read requests and write requests. The library allows reads and writes to be implemented without requiring the client to understand how the data structure is implemented in the flash memory.
US10521122B2 Storage apparatus and method of controlling same
A storage apparatus and method of controlling same which, while preventing depletion of a storage area due to the generation of garbage, also prevent a drop in response performance from the perspective of the host, are proposed. One or more storage devices which constitute a pool, and a controller which manages a log-structured write space which is a virtual logical space, compresses data of a compression target among the data which has been written to the virtual volume by the host and logs the data in the log-structured write space, and writes the post-compression data which has been logged in the log-structured write space to the storage device, are provided in a storage apparatus, the controller restricting reception of a write request from the host when a used capacity of the pool is at or above a threshold; when the data logged in the log-structured write space has been updated, the controller determines whether a predetermined condition is satisfied and, when the predetermined condition is satisfied, the controller overwrites the compressed data of the pre-update data which has been logged in the log-structured write space with the compressed data of the post-update data.
US10521119B1 Hybrid copying garbage collector
The described technology is generally directed towards a hybrid copying garbage collector in a data storage system that processes low capacity real chunks and virtual chunks (which reference data on other storage systems) into real chunks with a relatively high data capacity utilization. Real and virtual chunks with low capacity utilization are detected and copied into a higher capacity utilization real chunk, after which the low capacity chunks are deleted and their space reclaimed. As a result, much of the virtual chunk data that is to be migrated into a real chunk in the data storage system is migrated during garbage collection instead of as a separate migration process. Only the virtual chunk data that is relatively high capacity needs to be processed into real chunks by a separate migration process.
US10521117B2 Unified table delta dictionary memory size and load time optimization
First page data from one or more pages stored on a persistent storage can be loaded into a page buffer in a main system memory of one or more computing systems, and second page data that includes first dictionary values of a first dictionary for a first database column can be loaded and pinned into the page buffer in the main system memory. First contents of a first dictionary block containing first re-direction references to the first dictionary can be copied from the loaded first page data into a first in-memory array, and the first page data can be deallocated from the page buffer. The first re-direction references can direct to the first dictionary values of the first dictionary in the pinned second page data.
US10521116B2 System and method for managing object store
A system and method include receiving, by an object store virtual machine of a virtual object storage system, a user request for updating an element of an object store. The user request includes a first compare and swap value. The system and method also include updating the first compare and swap value from the second user request for obtaining an updated compare and swap value, comparing the updated compare and swap value with a current compare and swap value of the element, and updating the element upon determining that the updated compare and swap value is greater than the current swap and compare value. Updating the element comprises one of creating a new version of the element and overwriting a previous version of the element. The system and method further include replacing the current compare and swap value with the updated compare and swap value.
US10521114B2 Adding or removing a storage provider in unified storage manager
A method of implementations includes receiving, by a processing device executing a unified storage manager (USM), an update package comprising a configuration file for a storage service to add to the USM, adding, by the processing device, the configuration file to a set of configuration files maintained by the USM, responsive to detecting the addition of the configuration file, causing, by the processing device, a re-load of the set of configuration files at the USM without a shutdown and re-start of the USM, loading, by the processing device, the configuration file in the USM, and initializing, by the processing device, an adaptor component for the storage service at the USM, the adaptor component comprising a set of application programming interface (API) methods for the USM to communicate with the storage service.
US10521112B2 Layered clustered scale-out storage system
A mega cluster storage system includes clusters of multiple storage modules. Each module is able to access a portion of the data within the mega cluster and serves as a proxy in order for another storage module to access the remaining portion of the data. A cluster is assigned to a unique cluster volume and all the data within the cluster volume is accessible by all of the modules within the cluster. Each host connection to the mega cluster is associated with a particular cluster volume. A module that receives a host I/O request determines whether the I/O request should be satisfied by a module within its own cluster or be satisfied by a module within a different cluster. The module may forward the I/O request to a module within a different cluster as indicated by a distribution data structure that is allocated and stored within each storage module.
US10521109B2 Touch event model
A device with a multi-touch panel and a computer readable medium storing software for displaying a user interface on the multi-touch panel detects a touch at the multi-touch panel. The device sends to the software a touch data structure for defining a state of the touch at a particular time. The touch data structure includes: a location field indicating a location where the touch was or is being received on the multi-touch panel; a phase field defining a phase of the touch at the particular time, the phase of the touch being selected from a plurality of predefined phase state values; and a view field indicating a view, of a plurality of views corresponding to portions of the displayed user interface, that corresponds to the location where the touch was or is being received on the multi-touch panel.
US10521108B2 Electronic apparatus for detecting touch, method of controlling the same, and display apparatus including touch controller
An electronic apparatus includes a memory that stores a specified criterion for classifying a type of a touch region according to an assigned function, and a processor that classifies at least one touch region as belonging to a palm region for assigning a first function or to a pen region for assigning a second function based on the specified criterion if a touch to a touch panel is detected, issues an individual identifier (ID) for the pen region, and issues a group ID after performing grouping for the palm region.
US10521103B2 Display control device and display control method
A display control device includes a touch panel and a controller. The controller includes a display section and a receiving section. The display section displays at least one object on the touch panel. The receiving section receives a slide operation on one of the at least one object. When the slide operation is received by the receiving section, the display section determines based on the slide operation a display range to be displayed on a transition-target screen corresponding to the one object and displays the display range on the touch panel.
US10521101B2 Scroll mode for touch/pointing control
A computing device is described which has a sensor operable to receive user input associated with a display area. The computing device has a renderer operable to render a content item to the display area, the content item having a length and width. The computing device has a processor operable to detect when the user input comprises a scroll mode action and to trigger, in response to the scroll mode action, a scroll mode in which a dimension of the display area is mapped to the length or the width of the content. The scroll mode action comprises a swipe from an edge of the display area in a direction towards the center of the display area.
US10521098B2 Non-contacting monitor for bridges and civil structures
A system for monitoring the condition of a bridge includes: a video camera stably positioned at a selected distance from a bridge and having an unobstructed view of a selected portion of the bridge structure; and, a data processing system to analyze the output of the video camera over a selected time interval and calculate a physical parameter related to movement of the selected portion of said bridge structure as a function of time, and further including: a GUI that displays: a fixed image frame from the video camera, corresponding to a particular user-selected time within the time interval; an area selector, movable by the user to select a portion of the structure for analysis; and, a display of the physical parameter versus time for the selected portion over the selected time interval. The processor may perform some tasks, e.g., area selection, autonomously or via predetermined rules.
US10521097B1 User interface to implement topology integrity throughout routing implementations
Described herein is an improved approach to implement routing for electrical designs. A structural routing solution is provided, where a routing system is implemented to generate a complete routing tree. A user interface is provided that captures users' design intent about topology of an electrical design, and the routing system adheres to that user's design intent about the topology throughout a layout process for the electrical design.
US10521096B2 Virtual reality experience control system
A virtual reality system has a virtual reality headset having an interior display screen that displays a virtual reality environment. Further, the virtual reality headset has a receiver, in operable communication with the virtual reality headset, that receives one or more user inputs from a user immersed in the virtual reality environment when wearing the virtual reality headset. In addition, the virtual reality headset has a memory that stores a theme associated with the virtual reality environment and a timeline associated with the theme. The timeline has a plurality of time-based intervals that each correspond to content for the theme. The processor alters the virtual reality environment to correspond to the content for the theme associated with a time-based interval selected by the user via the geometrically-shaped object through the receiver when the user is immersed in the virtual reality environment.
US10521091B2 Emoji recording and sending
The present disclosure generally relates to generating and modifying virtual avatars. An electronic device having a camera and a display apparatus displays a virtual avatar that changes appearance in response to changes in a face in a field of view of the camera. In response to detecting changes in one or more physical features of the face in the field of view of the camera, the electronic device modifies one or more features of the virtual avatar.
US10521090B2 Dashboard generation based on user interaction
Provided is a method for automatically identifying a long loading time for a user selection. An initial user input against a selection element for an application running on an electronic device is received. The initial user input is transmitted to a server for processing the initial user input. One or more additional user inputs are received after the server has begun processing the initial user input. Statistical analysis techniques are utilized to determine a selection attempt value. The selection attempt value is compared to a predetermined retry rate criteria. The selection attempt value is determined to satisfy a threshold. An action is performed in response to determining that the selection attempt value satisfies the threshold.
US10521088B2 Method and apparatus for abstracting telephony functions
A method and apparatus for abstracting telephony functions is disclosed. An apparatus that incorporates teachings of the present disclosure may include, for example, a terminal device having a User Interface (UI) element that presents a plurality of Graphical User Interface (GUI) elements that abstract a corresponding plurality of telephony functions, and a telephony element that initiates a telephony process in response to a selection by an end user of the terminal device of two or more of the plurality of GUI elements to form a combined telephony function. Additional embodiments are disclosed.
US10521086B1 Frame interpolation for media streaming
A variety of media devices may stream and present content such as movies, music, audiobooks, and so forth. During streaming, changing conditions or unavailable frames may result in stutters or other presentation problems. Described herein are techniques and systems for extrapolating one or more frames based on previously received data. The interpolated frames may be presented, reducing or eliminating the presentation problems.
US10521083B2 Object based browsing suitable for use in applications
A method, system and computer program product for object based browsing suitable for use in various applications is provided. The method includes receiving one or more working lists. Thereafter, one or more rules corresponding to the one or more working lists are checked. One or more context menus for the one or more working lists are then dynamically generated based on the checking.
US10521082B2 Application search system and method using rotational user interface elements
A search system includes a memory storing application records that each corresponds to an application and includes data related to an attribute of the corresponding application. A processor executes instructions stored in the memory. The instructions include receiving a search query from a user device. The search query is based on a query string and indicates an application category and subcategory selected by a user of the user device via first and second rotational user interface elements. The instructions include identifying a list of application records according to the application category and subcategory. The instructions include ranking the list of application records based on number of downloads and matches between text data of the application record and the query string. The instructions include selecting a subset of the list of application records according to the ranking and transmitting search results to the user device based on the subset.
US10521081B2 User interface for displaying a gallery of formatting options
An improved user interface is provided for displaying a gallery of images showing different formatting options combinations that may be applied to a selected object. When a particular image is selected an associated formatting options combination is automatically applied to the selected object.
US10521080B2 Display method and device for menu key of touchscreen mobile terminal
Provided are a display method and device for a menu key of a touchscreen mobile terminal, which relate to the technical field of mobile terminals. The method comprises: obtaining relative states of the left side and the right side of the screen of a touchscreen mobile terminal; and when the left side of the screen is higher than the right side thereof, displaying a menu key at the higher side of the screen. The present invention determines relative states of the left side and the right side of the screen of a touchscreen mobile terminal through a gravity sensor, thereby being able to judge the current operating state such as holding the touchscreen mobile terminal by the left hand, holding the touchscreen mobile terminal by the right hand of a user according to the relative states, and then setting the menu key in the position where the user can easily operate. The embodiments of the present invention take into account the operation habit of the user while determining the display position of the menu key, better facilitate the operation of the user on the menu key, improve the user experience, and better achieve the interaction between the user and the touchscreen mobile terminal.
US10521074B2 System and method for a back stack in a multi-application environment
A system and method for a back stack in a multi-application environment, wherein the method comprises adding an entry to a last-in-first-out (LIFO) data structure, the entry comprising application state information descriptive of an application state of a software application and display state information descriptive of a display state of a display surface of a touch screen device, adjusting a LIFO data structure pointer to reflect a revised LIFO data structure state resulting from the adding the entry, receiving a back button actuation indication, in response to receiving the back button actuation indication, restoring the software application to the application state and restoring the display surface to the display state, and readjusting the LIFO data structure pointer to reflect an original LIFO data structure state that existing prior to the adding the entry.
US10521070B2 Method to automatically update a homescreen
In one embodiment, applications installed on a mobile device may be identified. Historical data pertaining to use of the applications installed on the mobile device may be obtained. A context of the mobile device may be ascertained. Locations in which a plurality of icons representing a plurality of items are to be presented within a homescreen of the mobile device may be determined based, at least in part, on the context of the mobile device and the historical data, where the plurality of items include the applications installed on the mobile device. The homescreen of the mobile device may be updated according to the determined locations, wherein updating the homescreen of the mobile device includes providing at least a portion of the plurality of icons for display within the homescreen of the mobile device such that the homescreen of the mobile device displays the plurality of icons representing the plurality of items at the determined locations.
US10521069B2 Ultrasonic apparatus and method for controlling the same
Disclosed is an ultrasound apparatus and method for controlling the same, whereby once a feature point for re-registration is selected on one of registered ultrasound image and external image, a cursor is displayed on the other image at a point corresponding to the selected feature point. The ultrasonic apparatus includes a controller for using a difference in coordinates between a first feature point of an ultrasound image and a second feature point of an external image with respect to a reference coordinate system, to register the ultrasound image and the external image; a display for displaying the registered ultrasound image and external image; and an input unit for receiving a command to select third and fourth feature points for re-registration, wherein the controller is configured to, once the third feature point of one of the ultrasound image and the external image is selected, control the display to display a cursor for selection of the fourth feature point at a position corresponding to the third feature point on the other one of the ultrasound image and the external image by means of the difference.
US10521068B2 Portable device and screen displaying method thereof
A portable device and a screen displaying method of a portable device are provided. The method includes displaying a screen of an executed application on a screen of a portable device; detecting an approaching direction of an external device by using a sensor; and overlapping a directional layer for content sharing corresponding to the approaching direction of the external device, on the screen of the application.
US10521064B2 Capacitance detection device and driving method of the same
Disclosed a driving method for a capacitance-detection device, the method including: acquiring a noise signal; comparing a magnitude of an acquired noise signal with a threshold value for driving a capacitance-detection device; and adjusting a driving signal, provided to a capacitance-detection device to be driven, according to a result of said comparing. The acquiring the noise signal includes: generating the noise signal corresponding to detected noise; and converting the noise signal into a digital signal.
US10521060B2 Wearable electronic device and a reflected-capacitive touch panel thereof
A reflected-capacitive touch panel of a wearable electronic device includes a center touch sensing portion composed of a plurality of mutual-capacitance sensors; a border touch sensing portion composed of a plurality of hybrid self-capacitance and mutual-capacitance sensors; and a predetermined bonding area into which channels of the center touch sensing portion and the border touch sensing portion are routed.
US10521057B2 Touch screen panel having overlapping sensing electrodes and method of manufacturing the same
A method of forming a touch screen panel including first sensing electrodes in an active region of a substrate and arranged along a first direction and second sensing electrodes arranged along a second direction intersecting the first direction, the method including forming the first sensing electrodes and first connection patterns, the first connection patterns connecting the first sensing electrodes along the first direction; forming an insulating pattern capping the first sensing electrodes and the first connection patterns so that the first sensing electrodes and the first connection patterns are not exposed; and forming the second sensing electrodes between the first sensing electrodes, and second connection patterns on the insulating pattern, the second connection patterns connecting the second sensing electrodes along the second direction.
US10521056B2 Touch screen panel and display device
The present invention provides a touch screen panel and a display device which include a plurality of first electrodes arranged in a first direction in parallel; a plurality of second electrodes arranged in a second direction to intersect with the first electrodes; and a cover, wherein a width of at least one electrode of the first electrodes is different from widths of the other first electrodes, a width of at least one electrode of the second electrodes is different from widths of the other second electrodes, or the width of the at least one electrode of the first electrodes is different from the widths of the other first electrodes and the width of the at least one electrode of the second electrodes is different from the widths of the other second electrodes.
US10521050B2 Projection video display apparatus and video display method
An operation target device projects a display video onto a projection surface, which is captured by a camera. An operation detectable region specifying unit specifies respective regions where an operation is detectable and is undetectable based on image data captured by the camera. Finger and pen contact position detection units detect the operation to the operation object based on the image data captured by the camera. The operation target device displays the display video so that the region where the operation to the operation object is detectable, which is specified by the operation detectable region specifying unit, is distinguished from the region where the operation to the operation object is undetectable. In addition, the operation target device changes a display position of the operation object so that the operation object is displayed within a range of the region where the operation to the operation object is detectable.
US10521047B1 Gesture-equipped touch screen system, method, and computer program product
In one embodiment, a system, method, and computer program product are provided to: display a textual word; detect a gesture via the touch screen on the textual word; in a first touch state, perform a first function in connection with the textual word; in a second touch state, perform a second function in connection with the textual word, the second function including selecting the textual word so as to display a selection of the textual word in a separate virtual display layer that is at least partially transparent or translucent for viewing an insertion point of the textual word.
US10521046B2 System and method for disabled user assistance
Embodiments of a system and method for assisting disabled users can include: a display configured to receive an input from the disabled user; a set of tactile cues proximal the display; and a processing system configured to: store an assistance map, and map the touch input to a digital input based on the assistance map.
US10521045B2 Reference noise rejection improvement based on sample and hold circuitry
A touch controller may include a measurement circuit, configured to receive a signal from an active channel in a proximity sensor, and to sample and hold the signal to measure the signal. The touch controller may include a driven shield buffer. The touch controller may include a voltage reference circuit configured to generate a divided voltage reference, provide the divided voltage reference to the measurement circuit, and drive the divided voltage reference through a switched circuit to the driven shield buffer to hold channels in the proximity sensor during measurement of the active channel.
US10521041B2 Resonant line driver including energy transfer inductor for driving capacitive-load lines
A resonant line driver for driving capacitive-loads includes a driver series-coupled to an energy transfer inductor L1, driving signal energy at a signal frequency through L1. A switch array is controlled to switch L1 between multiple electrodes according to a switching sequence, each electrode characterized by a load capacitance CL. L1 and CL form a resonator circuit in which signal energy cycles between L1 and CL at the signal frequency. The switch array switches L1 between a current electrode and a next electrode at a zero_crossing when signal energy in the energy transfer inductor is at a maximum and signal energy in the load capacitance of the current electrode is at a minimum. An amplitude control loop controls signal energy delivered to the L1CL resonator circuit, and a frequency control loop controls signal frequency/phase. In an example application, the resonant driver provides line drive for a mutual capacitance touch screen.
US10521038B2 Touch display device and method of manufacturing the same
A touch display device includes: a first substrate, a plurality of gate lines and a plurality of data lines on the first substrate, and crossing each other to define a plurality of pixel regions, a plurality of thin film transistors connected to respective ones of the plurality of gate lines and the plurality of data lines, the plurality of thin film transistors being in respective ones of the plurality of pixel regions, and a plurality of bar-shaped sensing electrodes crossing the gate lines, wherein, to determine whether a touch is performed, the touch display device is configured such that: gate signals are transmitted to the plurality of gate lines, a direct current (DC) voltage is applied to the plurality of bar-shaped sensing electrodes, and a change in ripple component of the DC voltage applied to the bar-shaped sensing electrodes is received.
US10521037B2 Display panel with touch sensor
A light-shielding portion is provided on an inner surface of a first substrate and has an opening pattern. A color material portion is provided on the inner surface of the first substrate. A second substrate faces the inner surface of the first substrate. Inner sensor electrodes are provided between the inner surface of the first substrate and the second substrate, and are included in the light-shielding portion in a plan view. Outer sensor electrodes are made of metal and are provided on an observation surface of the first substrate. The projection of the outer sensor electrode onto the inner surface of the first substrate through the optical path corresponding to the viewing angle is included in the light-shielding portion in a plan view. Each of the outer sensor electrodes includes a region extending along one direction parallel to a lateral direction of the display panel with a touch sensor.
US10521033B2 Touch sensor assembly and refrigerator door including same
A touch sensor assembly according to an embodiment of the present disclosure includes a sensor housing disposed at a rear surface of an external member on which a touch operation unit on which a user touches is marked, a sensor PCB accommodated in the sensor housing, and an elastic member which is disposed at a rear side of the sensor PCB and presses the sensor PCB toward a rear surface of the external member, wherein the elastic member is mounted in an elastic member accommodation portion formed at a bottom surface of the sensor housing.
US10521029B1 Touch pad module and computing device using same
A touchpad module includes a circuit board, a switch and a conductive raised structure. The circuit board includes a first conducting part and a second conducting part. The switch is installed on the circuit board. The switch includes a metal dome. The metal dome includes a first portion corresponding to the first conducting part and a second portion corresponding to the second conducting part. When the metal dome is subjected to deformation, the first portion of the metal dome is contacted with the first conducting part. The conductive raised structure is arranged between the second conducting part and the second portion of the metal dome. Since a gap is formed between the circuit board and the second portion of the metal dome, the contact area between the metal dome and the circuit board is reduced. Consequently, the generated noise is reduced.
US10521026B2 Passive optical and inertial tracking in slim form-factor
Systems are provided that include a wireless hand-held inertial controller with passive optical and inertial tracking in a slim form-factor. These systems are configured for use with a head mounted virtual or augmented reality display device (HMD) that operates with six degrees of freedom by fusing (i) data related to the position of the controller derived from a forward-facing optical sensor located in the HMD with (ii) data relating to the orientation of the controller derived from an inertial measurement unit located in the controller.
US10521025B2 Selecting virtual objects in a three-dimensional space
Systems and methods for interacting with virtual objects in a three-dimensional space using a wearable system are disclosed. The wearable system can be programmed to allow a user to interact with virtual objects using a user input device and poses. The wearable system can also automatically determine contextual information such as layout of the virtual objects in the user's environment and switch the user input mode based on the contextual information.
US10521017B1 Method for detecting gestures using a multi-segment photodiode and one or fewer illumination sources
A gesture sensing device includes a multiple segmented photo sensor and a control circuit for processing sensed voltages output from the sensor. The control circuit processes the sensed voltage signals to determine target motion relative to the segmented photo sensor. The control circuit includes an algorithm configured to calculate one of more differential analog signals using the sensed voltage signals output from the segmented photo sensors. A vector is determined according to the calculated differential analog signals, the vector is used to determine a direction and/or velocity of the target motion.
US10521016B2 Electronic device
An electronic device includes a haptic touch panel including a touch surface, a housing, a counter mass, an actuator and an elastic plate. The actuator is connected to the haptic touch panel. The elastic plate includes a first portion connected to the haptic touch panel, a second portion connected to the counter mass, and a third portion connected to the housing.
US10521015B2 Control apparatus for a tactile audio display
An apparatus comprising: an input configured to receive at feast one signal comprising a haptic signal part and an audio signal part; a stream processor configured to separate the at least one signal to generate at least one haptic signal and at least one audio signal; a router configured to route the at least one haptic signal as a first output signal to a first output and the at least one audio signal as a second output signal to a second output; and an output configured to output the processed first output signal such that it generates a haptic effect and the processed second output signal generates an acoustic effect.
US10521007B2 Sensors having a connecting frame and method for composite sensors
A technique for sensing involving one or more individual sensing tiles that are physically connected to a frame with electrical and communications wiring integrated into the frame and with corresponding physical, electrical and communication connectors on the tiles and the frame.
US10520990B2 Electronic device
An electronic device includes a first body, a hinge structure, a second body, a cover plate, a fulcrum, a lever element, a stand and a second gear. The first body has a convection groove and an accommodation groove. The hinge structure includes a driving element and a first gear arranged at the first body. The second body is pivoted to the first body through the hinge structure. The cover plate is movably disposed at the first body. The fulcrum is disposed at the first body. The lever element is pivoted to the fulcrum, wherein the lever element includes a first end and a second end. The driving element abuts against the first end, and the second end is movably coupled to the cover plate. The stand is movably disposed at the first body. The second gear is connected to the stand and coupled to the first gear.
US10520987B2 Secured device portions
The description relates to hinged devices, such as hinged computing devices. One example can include a first portion and a second portion that defines a channel. The example can also include a hinge assembly rotatably coupling the first portion and the second portion, the hinge assembly including a hinge arm that is fitted to the channel and retained in the channel by a state-transitionable material.
US10520984B2 Electronic device and manufacturing method thereof
The present disclosure provides an electronic device and a manufacturing method for the electronic device. The electronic device includes a light permeable display screen, a light permeable cover plate and one or a plurality of light sensors. The light permeable display screen includes a first surface and a second surface opposite to the first surface. The light permeable cover plate faces the first surface, covers the light permeable display screen, and includes a flat plate portion and one or a plurality of curved surface portions. The one or the plurality of curved surface portions extends away from the flat plate portion, protrudes from the light permeable display screen horizontally, and bends towards the light permeable display screen vertically, so as to form one or a plurality of accommodating spaces together with the light permeable display screen. The light sensor is arranged in the accommodating space.
US10520979B2 Enhanced application preview mode
Techniques for enhancing the viewing of applications in a preview provider are provided. A method includes receiving an indication to provide a preview mode on a display of the computing device, providing screenshots of a plurality of applications in the preview mode such that the screenshots are accessible for viewing by a user. The method also includes identifying the first application to provide the first screenshot in an updated mode and changing a state of the first application from a suspended state to an inactive state by allocating processing time of the one or more processors to the first application, and displaying updates of the first screenshot while the first application is in the inactive state.
US10520976B2 Electronic control panel for motor vehicle
The subject of the present invention is an electronic control panel (1) for a motor vehicle, characterized in that it comprises a touch-sensitive screen (3), a touch-sensitive control surface (5) contiguous with said touch-sensitive screen, and a common support (33) for the touch-sensitive screen (3) and for the touch-sensitive control surface (5), the touch-sensitive screen (3) and the touch-sensitive control surface (5) being arranged on the common support (33) at the same level where they meet so as to define a near-continuous control area.
US10520971B2 Current sink with negative voltage tolerance
A current sink circuit coupled to pull down a gate control node (GCN) for an NMOS power FET that controls an actuator includes first and second NMOS transistors coupled in series between the GCN and a lower rail, where the first NMOS transistor has a gate and drain coupled together through a resistor. The current sink circuit also includes a control signal generation circuit (CSGC) and a negative voltage blocking circuit (NVBC). The CSGC is coupled to receive at least one voltage input and an ignition signal and to provide a first control signal and a second control signal. The NVBC is coupled to pass the first control signal from the control signal generation circuit to the gate of the first NMOS transistor and to block a negative voltage on the GCN from reaching the CSGC. The second control signal is coupled to the gate of the second NMOS transistor.
US10520970B2 Multi-phase current mode control loop incorporating a distributed transconductance stage
A system that includes a regulator unit is disclosed. The regulator unit includes first and second phase units whose outputs are coupled to a common output node. Each of the phase units may be configured to source current to the output node in response to the assertion of a respective clock signal in order to generate a regulated supply voltage. Each phase unit includes a respective transconductance amplifier configured to generate a respective demand current dependent upon a reference voltage and the regulated supply voltage.
US10520967B2 Power converter with a boost unit including at least two boost chopper circuits connected in parallel
A power converter capable of minimizing the amount of fluctuation in the input power value to the boost circuit when changing the number of operating circuits and the switching frequency; when reducing the number of boost chopper circuits operating and the switching frequency the controller reduces the duty cycle of the PWM signal to a circuit to be halted while said circuit scheduled for halt operates, whereafter the controller halts operation of said circuit scheduled for halt and changes the switching frequency to a frequency corresponding to the state determination value.
US10520965B2 Server room power management apparatus and method thereof
A server room power management apparatus and method, the power management apparatus comprising a first PDE (power distribution equipment), at least one second PDE and at least one DM (digital meter); wherein a first network interface unit of the first PDE, a second network interface unit of the second PDE and the DM can be connected to become a network; the power management method uses a first processor of the first PDE to collect power consumptions of the second PDE and the DM; wherein, the first processor can work out power usage effectiveness; thus, the apparatus and method do not need an independent server device, that will reach power saving and reduce apparatus costs.
US10520955B2 Vehicle control system with track temperature sensing
A work vehicle may include an engine, a drive train driven by the engine, and a track system including at least one track. The track system is connected to the drive train. The work vehicle may further include a temperature sensor configured to sense a track temperature of the at least one track and a vehicle control system configured to receive the track temperature and to determine misalignment of the at least one track based at least in part upon the sensed track temperature.
US10520953B2 Geographic area monitoring systems and methods that balance power usage between multiple unmanned vehicles
In some embodiments, unmanned aerial task systems are provided that comprise multiple unmanned aerial vehicles (UAV) each comprising: a UAV control circuit; a motor; and a propulsion system coupled with the motor and configured to enable the respective UAVs to move themselves; and wherein a first UAV control circuit of a first UAV of the multiple UAVs is configured to access power level data corresponding to each of the multiple UAVs, and select a second UAV of the multiple UAVs based at least in part on a power level of the second UAV relative to a threshold power level corresponding to a first task to be performed and a predicted power usage by the second UAV while utilizing a first tool system temporarily cooperated with the second UAV in performing the first task.
US10520947B2 Machine learning for event detection and classification in autonomous vehicles
The present disclosure provides systems and methods for automatic event detection and classification for autonomous vehicles. One example method includes obtaining, by one or more computing devices, vehicle data descriptive of vehicle conditions associated with an autonomous vehicle during an autonomous driving session. The method includes extracting, by the one or more computing devices, a plurality of features from the vehicle data. The method includes determining, by the one or more computing devices using a machine-learned classifier, a classification for each of one or more candidate events based at least in part on one or more of the plurality of features that are respectively associated with the one or more candidate events. The method includes associating, by the one or more computing devices, the classification determined for each of the one or more candidate events with the vehicle data.
US10520946B2 Vehicle with autonomous feature override for theft prevention
Embodiments of the present invention provide an autonomous vehicle with an emergency escape mode. When fleeing a scene is critical, embodiments provide an AV that can operate in an emergency escape mode (EEM) to enable the AV to flee a scene, protecting its occupants. Typically, a passenger or operator invokes EEM in an AV when they are in imminent danger from criminal activity such as carjacking. A least resistance route can be computed to determine an escape route that provides for reduced chance of injury and/or increased probability of a successful escape.
US10520944B2 Collision avoidance system and method for unmanned aircraft
An obstacle-avoidance system for a vehicle, the obstacle-avoidance system may comprise: a communication device; a plurality of sensors, the plurality of sensors configured to detect collision threats within a predetermined distance of the vehicle; and a processor. The processor may communicatively couple to the communication device and the plurality of sensors and configured to receive navigation commands being communicated to a control system via said communication device. The processor may also receive, from at least one of said plurality of sensors, obstruction data reflecting the position of an obstruction. Using the obstruction data, the processor identifies a direction for avoiding said obstruction. In response, the processor may output, via said communication device, a command to said control system causing the vehicle to travel in said flight direction. Using the obstruction data, the processor may further perform a landing assist module, a three-region collision protection function with pilot override, and/or a target-filtering function.
US10520938B2 Geographic area monitoring systems and methods through interchanging tool systems between unmanned vehicles
In some embodiments, unmanned aerial task systems are provided that comprise multiple unmanned aerial vehicles (UAV) each comprising: a UAV control circuit; a motor; and a propulsion system coupled with the motor and configured to enable the respective UAVs to move themselves; and wherein a first UAV control circuit of a first UAV of the multiple UAVs is configured to identify a second UAV carrying a first tool system configured to perform a first function, cause a notification to be communicated to the second UAV directing the second UAV to transfer the first tool system to the first UAV, and direct a first propulsion system of the first UAV to couple with the first tool system being transferred from the second UAV.
US10520937B2 Sensing and computing control system for shaping precise temporal physical states
According to some embodiments, system and methods are provided, comprising an installed product, including a plurality of components; a computer programmed with a damage metric model for the installed product, the damage metric model for providing an estimate of an extent of damage on one or more components; the computer programmed with a dynamic process control model for providing a dynamic response of the installed product with respect to its one or more operating parameters; the computer further programmed with a true-up model for providing a control action to reduce an uncertainty of the estimate provided by the damage metric model; the computer including a processor and a memory in communication with the processor, the memory storing the damage metric model and the true-up model; the memory storing additional program instructions, the processor operative with the additional program instructions to perform functions as follows: receiving an estimate output of the damage metric model, wherein the output includes the estimate of the extent of damage on the one or more components; generating, via the dynamic process control model, an operating response of the installed product to the received estimate output; in response to receipt of the estimate output, executing the true-up model; and generating, via execution of the true-up model, the plan to reduce uncertainty of the estimate output. Numerous other aspects are provided.
US10520933B2 System and method for removing a workpiece from a manufacturing fixture
A flay assembly for separating a workpiece from a manufacturing fixture has a horizontal beam assembly and a pair of vertical beam assemblies. The horizontal beam assembly includes a horizontal beam having a horizontal drive motor. Each vertical beam assembly includes a vertical beam operably engaged to the horizontal drive motor and has a workpiece attachment assembly operably engaged to a vertical drive motor. The workpiece attachment assembly has an attachment mechanism attachable to the workpiece. The horizontal drive motor and the vertical drive motors are operable in a manner to move the vertical beams away from each other along a horizontal drive axis while simultaneously moving each workpiece attachment assembly along a vertical drive axis to cause the attachment mechanisms to pull the workpiece side portions away from the manufacturing fixture while a center support of the horizontal beam maintains a workpiece crown in contact with the manufacturing fixture.
US10520929B2 Techniques for implementing universal commands in a welding or cutting system
Various embodiments are generally directed to techniques for implementing universal commands in a welding or cutting system. Techniques described herein may include a method including receiving, by a processor of a welding system, a command over a communication interface of the welding system. The command may be parsed into a command identifier. The command may be registered with a control module. The registered command may be assigned a sequence number. The command may be executed by the processor based upon the assigned sequence number. The results of the execution of the command may be stored into an output buffer. The results of the command may be sent via the communication interface to a node of the welding system.
US10520924B2 Augmented reality control for machine
Systems and methods are described for controlling an operation of machinery using augmented reality or virtual reality. A controller is configured to detect an object visible via a display based at least in part on sensor data received from an object sensor. The controller then generates and outputs on the display a graphical element corresponding to the detected object. The controller then monitors for interactions between an operator's hand and the graphical element and transmits control signals to a machinery actuator to control an operation of a tool of the machinery based at least in part on one or more detected interactions between the operator's hand and the graphical element.
US10520921B2 Model-based definition for machining aircraft parts
A method of manufacturing an aircraft part for an assembly includes creating a 3D geometry model for an aircraft part having surface features and holes represented by the 3D geometry model and sized to nominal dimensions. The method includes generating a NC machining program directly from the 3D geometry model, with instructions for a single NC machining apparatus to machine the aircraft part, and including instructions to machine the holes to nominal. And the method includes machining the aircraft part utilizing the NC machining program. For this, the NC machining apparatus utilizes a hole-forming tool set at substantially the nominal, instead of at a high or low side of a related hole-diameter tolerance range to allow for tight geometric dimensioning and tolerancing requirements, whereby the holes are machined to substantially the nominal. This method enables the full process capability of the CNC machines while utilizing inspection tolerances that are measurable.
US10520919B2 Systems and methods for receiving sensor data for an operating additive manufacturing machine and mapping the sensor data with process data which controls the operation of the machine
Method, and corresponding system, for receiving and processing sensor data for an additive manufacturing machine. The method includes determining values of the sensor data relative to time; and determining tool positions relative to time based on process data which controls operation of the additive manufacturing machine. The method further includes determining the sensor data values at the working tool positions based on a correlation of the values of the sensor data relative to time and the working tool positions relative to time. A representation of the sensor data values at the working tool positions is displayed by a user interface device.
US10520918B2 Programming and monitoring a newly-installed sensor on a motor vehicle
Disclosed herein is a method of programming a monitor to process data from a new sensor having a selected location on a vehicle, where in the new sensor transmits a verification code and an identification code as well as said data. The subject monitor programming method basically comprises initiating a programming mode, entering the location of the new sensor, entering a subset of the new sensor's identification code; storing the location and subset, exiting the programming mode, initiating a verification mode, receiving the new sensor's verification code and identification code, recognizing the verification code, storing the identification code, exiting the verification mode, initiating a normal operation and display mode, comparing the new sensor's transmitted identification code with the stored identification code, and processing the data from the new sensor when the transmitted identification code matches the stored identification code.
US10520916B1 Control systems
Systems and methods are provided for designing a compensator for controlling a plant and to control systems for such plants. In one embodiment, a compensator may be designed by introducing a predetermined input into the plant; measuring an impulse response of the plant responding to the predetermined input; determining a mathematical model for the plant based at least in part on the impulse response of the plant, the model comprising a first ratio of polynomials (the plant model) including a first set of coefficients; and determining a second ratio of polynomials including a second set of coefficients (the compensator) based at least in part on the first set of coefficients to operate the compensator such that the compensator produces a series of plant inputs to move the plant towards a setpoint according to a predetermined plant output.
US10520913B2 Numerical controller
A numerical controller analyzes a machining program, generates movement command data for moving a main spindle relative to a workpiece, causes an interpolation unit to perform interpolation processing based on the generated movement command data, and generates and outputs interpolation data for each interpolation cycle. Further, the interpolation unit performs provisional interpolation processing according to command speed F on a non-rotating coordinate system, converts a start point and an end point of provisional interpolation to positions on a rotating coordinate system to obtain speed F′ on the rotating coordinate system, obtains a ratio r of the speed F′ to the command speed F, and performs main interpolation processing at speed of F/r.
US10520912B2 Robot controller having function that simplifies learning, and robot control method
A robot controller having a function that simplifies learning and a robot control method. The robot controller includes: a learning section configured to carry out learning of detecting a deviation between a commanded trajectory representing a position of the robot generated according to the command values and an operation trajectory representing an actual position where the robot has moved, and generate a corrected program by adjusting the commanded trajectory; a saving section configured to save the corrected program; and a relearning section configured to carry out relearning on a relearning location, the relearning location being a part of the operation trajectory designated by an operator.
US10520910B2 I/O expansion for safety controller
An industrial safety controller comprises a non-volatile memory configured for storing an industrial control program and at least one processing unit. The industrial safety controller, which may be a safety relay, further comprises a connector configured to communicatively couple the safety controller with an expansion module. The safety controller is configured to receive an input and/or provide an output via an I/O expansion module that is coupled to the safety controller utilizing the connector. The industrial safety controller may comprise an expansion module bay and the connector may comprise a bay connector.
US10520907B2 Remote control device
A remote control device includes a display unit, physical keys, and a control unit to control operations of the display unit and execute various processes in accordance with commands input via the physical keys. The display unit includes a setting item display area to display setting item information pertaining to configurable setting items, and a set state display area to display information pertaining to set state of the setting items. The physical keys include at least one function key and a separate set state change key. The control unit successively selects the setting items, causes the display unit to display the setting item information, and performs an increase or decrease of a numerical value, a stage change, or a mode change relating to the setting item. The number of function keys is smaller than the number of the setting item information displayed.
US10520903B2 Building management system with priority array preview interface
A building management system includes a controller for one or more devices of the building management system and a system manager communicably coupled to the controller. The controller includes a priority array for a point object managed by the controller. The priority array includes a plurality of commands for the point object and defines a priority of each command. The system manager is configured to retrieve the priority array from the controller, generate a user interface identifying the plurality of commands in the priority array and the priority of each command, receive a new command from a user, and update the user interface to include a preview of the priority array indicating how the priority array would change if the new command were applied to the priority array.
US10520898B2 Driving device and electronic timepiece
A driving processor for driving a motor having a rotor and one or more coils for rotating the rotor is configured to generate a detection pulse for detecting whether or not the rotor has rotated; cause the generated detection pulse to be applied to at least one of the one or more coils; receive a signal indicating a detected value of current flowing in the at least one of the one or more coils after the detection pulse has been outputted to the at least one of the one or more coils; and determine whether or not the rotor has rotated to one or more prescribed positions on the basis of the detected value of current.
US10520897B2 Analog timepiece and control method of analog timepiece
There is provided an analog timepiece including an hour hand, a minute hand, and a second hand which are rotated by a unit step operation of a stepping motor. The analog timepiece includes a rotor that rotates the hour hand, the minute hand, and the second hand, and that has a magnetic polarity, a stator that includes magnetic pole portions disposed around the rotor, coils that excite the magnetic pole portions, and a control unit that controls each unit step of the rotor in accordance with each pulse group by applying a pulse group including a rotary pulse for rotating the rotor and a braking pulse for braking rotation of the rotor, which is applied before the rotary pulse is applied, to the coil.
US10520894B2 Watchmaking gasket
A watchmaking gasket, in particular a watch glass gasket for a timepiece, includes a polymer matrix charged with phosphorescent and/or fluorescent pigments.
US10520892B2 Lunar phase display device
A lunar phase display device including an annular cover including four ring portions, two successive ring portions being separated by a convex lobe projecting radially towards the inside of the annular cover; a moon indicator disc, a drive device arranged to move the moon indicator disc so that the disc makes a cycloidal trajectory between two successive lobes, the moon indicator disc being at least partially occulted by each of the two lobes during one portion of the cycloidal trajectory so as to reproduce the phases of the moon during a lunar month.
US10520891B2 Timepiece movement provided with a device for positioning a moveable element in a plurality of discrete positions
A timepiece movement with a movable element capable of being momentarily immobilized in any one of N discrete positions, and with a device including a lever and a first magnet integral with the lever, with N second magnets integral with the movable element and arranged along an axis of displacement, and with a magnetically permeable element arranged facing one polar end of the first magnet located on the side of the movable element. The polarity of the first magnet is reversed with respect to that of the second magnets. A first magnetic torque exerted on the lever has a first direction over a first section and a second direction, opposite to the first direction, over a second section of the distance between two successive stable positions, the first direction defining a return torque towards the movable element for a contact portion of the lever.
US10520889B2 Method and device for encoding three-dimensional scenes which include transparent objects in a holographic system
Method for computing the code for the reconstruction of three-dimensional scenes which include objects which partly absorb light or sound. The method can be implemented in a computing unit. In order to reconstruct a three-dimensional scene as realistic as possible, the diffraction patterns are computed separately at their point of origin considering the instances of absorption in the scene. The method can be used for the representation of three-dimensional scenes in a holographic display or volumetric display. Further, it can be carried out to achieve a reconstruction of sound fields in an array of sound sources.
US10520886B2 Image forming apparatus and cartridge
An image forming apparatus forming an image on a recording material includes a main assembly and a supporting member for supporting a plurality of cartridges. The supporting member is movable to an outside position, a first inside position where the cartridges are positioned inside of the main assembly, and a second inside position where the supporting member is movable to the outside position and the first inside position. A first positioning portion positions an associated cartridge when the supporting member is located at the first inside position, and a first preventing portion prevents rotation of the associated cartridge about the first positioning portion. In addition, a second positioning portion positions the associated cartridge when the supporting member is located at the second inside position, and the second positioning portion is spaced from the associated cartridge when the supporting member is located at the first inside position.
US10520885B2 Process unit
A process unit includes a drum frame supporting a photoconductor drum and a development frame supporting a development roller. The development cartridge is swingably supported by the drum frame at a coupling joint provided at a first side of the development frame and a support portion provided at a second side of the development frame. A center of rotation of the development roller is located in a position shifted from a line segment connecting a center of rotation of the coupling joint and a center of rotation of the photoconductor drum to an upstream side with respect to a direction of rotation of the coupling joint as viewed in an axial direction of the development roller, such that the development roller is pressed against the photoconductor drum by the action of the rotatory force received by the coupling joint.
US10520880B2 Image forming apparatus enabling angle adjustment of fixing unit to apparatus main body
An image forming apparatus includes a fixing unit and an apparatus main body. The fixing unit fixes a toner image on a sheet while conveying the sheet. In the apparatus main body, the fixing unit is removably attached. The fixing unit includes a unit side connection part. The apparatus main body includes a main body side connection part and a first adjustment mechanism. The main body side connection part is electrically connected with the unit side connection part. The first adjustment mechanism is used for adjusting an angle of the fixing unit with respect to the apparatus main body. The main body side connection part is arranged at a side of a supporting point of angle adjustment of the fixing unit by the first adjustment mechanism.
US10520878B2 Image forming apparatus having developing cartridge movable relative to photosensitive drum
An image forming apparatus includes a developing cartridge, a photosensitive drum, a lever, and an electrical connector. The developing cartridge includes a developing roller rotatable about a first axis extending in a first direction, a memory storing information related to the developing cartridge, and an electrical contact electrically connected to the memory. The photosensitive drum is rotatable about a second axis extending in the first direction. The lever moves the developing cartridge between a first position where a surface of the developing roller contacts a surface of the photosensitive drum and a second position where the surface of the developing roller separates from the surface of the photosensitive drum. The electrical connector contacts the electrical contact in the second position of the developing cartridge, and separates from the electrical contact in the first position of the developing cartridge.
US10520876B2 Image forming apparatus
An image forming apparatus includes a height determining member that performs the positioning of a holder in a height direction. When the holder is not mounted, the height determining member is assembled to a predetermined frame member to serve as a part of the predetermined frame member.
US10520875B2 Image forming apparatus
An image forming apparatus includes a printer portion; an image reading portion rotatable relative to the printer portion; a discharge portion configured to stack the recording material discharged from an inside of the printer portion, the discharge portion being supported rotatably relative to the printer portion; and a regulating member provided between the discharge portion and the image reading portion and configured to regulate movement of the recording material stacked on the discharge portion. When the image forming apparatus is seen in a rotational axis direction of the image reading portion, at least a part of the regulating member in a state in which the image reading portion and the discharge portion are open away from the printer portion is hidden inside a contour of a casing of the image reading portion.
US10520871B2 Image forming apparatus that changes nip pressure based on sheet characteristics
An image forming apparatus includes a plate, a feeding unit that feeds a recording material placed on the plate, an image forming unit that form an image on the fed recording material, a conveying unit to convey a recording material pinched by a nip pressure from a rotating member nip portion, a switching unit to switch the nip pressure, a detecting unit, and a control unit. The detecting unit detects property information regarding the fed recording material. In response to an instruction to form the image on the recording material and before detection of property information completes, the control unit controls to switch the nip pressure based on information regarding image forming on the recording material, and after detection of the property information completes, the control unit controls to switch the nip pressure based on the information regarding the image forming on the recording material and the detected property information.
US10520870B2 Image forming apparatus with reduced long period gap variation
An image forming apparatus includes a drive device including a first drive transmission passage through which a driving force of a drive source is transmitted to a developer bearer via a first joint and a second drive transmission passage through which the driving force is transmitted to a rotary body via a second joint. The first drive transmission passage and the second drive transmission passage are defined such that one of a first drive transmission ratio to the first joint of the first drive transmission passage and a second drive transmission ratio to the second joint of the second drive transmission passage is an integral multiple of the other of the first drive transmission ratio from the drive source to the first joint of the first drive transmission passage and the second drive transmission ratio from the drive source to the second joint of the second drive transmission passage.
US10520868B1 Fixing device and image forming apparatus
A fixing device includes a belt member, an inner circumferential rotating body, an outer circumferential rotating body, and a rotation starter. The belt member has an inner circumferential surface and an outer circumferential surface and fixes an image formed on a recording medium. The inner circumferential surface of the belt member is looped over the inner circumferential rotating body. The inner circumferential rotating body rotates the belt member. The outer circumferential rotating body is movable between a contact position at which the outer circumferential rotating body is in contact with the outer circumferential surface of the belt member and a separated position at which the outer circumferential rotating body is separated from the outer circumferential surface of the belt member. The outer circumferential rotating body rotates the belt member when the outer circumferential rotating body is disposed at the contact position. The rotation starter moves the outer circumferential rotating body toward the separated position and rotates the belt member by using the inner circumferential rotating body after the rotation starter has rotated the belt member by using the outer circumferential rotating body disposed at the contact position when the belt member is started to be rotated.
US10520863B2 Roller device, fixing device, and image forming apparatus
The cleaning member is disposed to be opposite to the first roller with the second roller being provided therebetween. Compared to a case when the second roller is placed at a first position on a side of the first roller, if the second roller is placed at a second position on a side of the cleaning roller, a pressure between the second roller and the first roller becomes smaller, and a pressure between the second roller and the cleaning member becomes larger.
US10520862B2 Image heating apparatus having an opening and closing mechanism that opens and closes an air blowing port using a plurality of shutter members
An image heating apparatus includes a first rotatable member and a second rotatable member, which are configured to form a nip in which a toner image is fixed on a recording material, an air blowing mechanism, and a duct configured to guide air from the air blowing mechanism toward an end portion of the first rotatable member with respect to a longitudinal direction of the first rotatable member. The image heating apparatus also includes an opening and closing mechanism configured to open and to close an air blowing port of the duct. The opening and closing mechanism includes a plurality of shutter members configured to close the air blowing port in cooperation with each other.
US10520861B2 Image forming apparatuses employing an electrophotographic method
An image forming apparatus (10) is capable of continuing, when detecting running out of sheet in a cassette (130a) during image formation, the image formation by performing switching to another cassette (130b). When it is determined that sheets are run out based on a signal supplied from a sheet sensor (131a) of a cassette being used after exposure is started based on image data of a certain page, cleaning is performed on a secondary transfer roller (106) and exposure is started based on the image data of a target page before the cleaning is terminated.
US10520859B2 Image forming apparatus controlling surface potential of image bearing member
A control portion executes: a step of calculating a surface potential of an image bearing member charged by a charging member, to which a predetermined voltage is applied, and exposed to light by a predetermined exposure amount on the basis of a discharge start voltage between a measurement member and the image bearing member and calculating a correction value from a difference between a target value and calculated surface potential of the image bearing member; a step of correcting calculated surface potential of the image bearing member on the basis of the correction value; and a step of controlling at least one of the voltage applied to the charging member and an exposure amount of the exposure apparatus on the basis of the corrected surface potential of the image bearing member so that the surface potential of the image bearing member reaches the target value.
US10520855B2 Developing cartridge having coupling and developing roller
In a cartridge, a housing has a developer accommodating portion and includes a first side wall and a second side wall. A coupling member is disposed at a position opposite to the developer accommodating portion with respect to the first side wall. A detection body is disposed at a position opposite to the developer accommodating portion with respect to the second side wall. A first driving force transmission member is positioned at the same side with the coupling member with respect to the first side wall, and transmits driving force from the coupling member to a rotating member. A second driving force transmission member is positioned at the same side with the detection body with respect to the second side wall, and transmits driving force from the rotating member to the detection body.
US10520853B2 Developer cartridge
A developing roller is located nearer a first end than a second end in a first direction. A first boss extends in a second direction and is movable together with a housing. The first boss bears the weight of a developer cartridge when the first boss is supported by a support surface of a first side plate of a drum unit, and is located away from the developing roller in the first direction and the third direction. A first pressure receiving surface is located farther away from the developing roller than the first boss in the third direction. The pressure receiving member receives a pressing force in the third direction from a pressing member of the first side plate of the drum unit. The first boss is located away from the developing roller in the first direction by a first distance. The first pressure receiving surface is located away from the developing roller in the first direction by the first distance or by a second distance smaller than the first distance.
US10520852B2 Image forming apparatus
An image forming apparatus includes an image bearing member on which an electrostatic latent image is formable, and a developing device including a developer carrying member, a container, and a supply roller. When the developing device including the developer carrying member, to which a lubricant different from the developer is applied, is used for the first time, a first initial operation of transferring the lubricant from the developer carrying member to the image bearing member together with the developer is performed. The image forming apparatus further includes a storage unit configured to store a suspension state when suspension is detected before the initial operation completes, and a controller configured to execute a second initial operation as an operation of resuming the suspended first initial operation on the basis of the stored suspension state.
US10520847B1 Exposure head, image formation apparatus, reading head, and reading apparatus
An exposure head according to one or more embodiments may include: a light emitting element board on which light emitting elements are arranged; a holder that holds the light emitting element board and is provided with an opening; a transparent cover arranged at a position to shield the opening, such that a first attachment surface of the holder is attached to a second attachment surface of the transparent cover by using an adhesive; and an optical system arranged between the light emitting element board and the transparent cover. The exposure head satisfies an expression defined as θ1<θ2, where θ1 is a contact angle on the first attachment surface representing wettability of the first attachment surface, and θ2 is a contact angle on the second attachment surface representing wettability of the second attachment surface.
US10520846B2 Image formation apparatus
An image formation apparatus includes an image carrier, a first charging member which abuts on the image carrier and charges the image carrier, a second charging member which abuts on the image carrier and charges the image carrier, the second charging member having such resistance characteristics as being less in variation with environmental variation than the first charging member, a power supply apparatus which can apply a voltage to each of the first and second charging members, and a control device which sets a voltage to be applied to the first charging member by the power supply apparatus based on a first amount of current which flows from the power supply apparatus through the first charging member to the image carrier and a second amount of current which flows to the image carrier through the second charging member.
US10520843B2 Toner, method for producing toner, toner storage unit, and image forming apparatus
A toner is provided. The toner includes toner particles each comprising a binder resin and plate-like pigment particles. In a cross-section of the toner, the plate-like pigment particles have an average thickness D of 1.0 μm or less and a maximum length L of 5.0 μm or more. In a fixed toner image formed with the toner, the plate-like pigment particles have a maximum width W of 3.0 μm or more. The toner has a circularity of from 0.950 to 0.985.
US10520841B2 Electrostatic image developing toner, electrostatic latent image developer, and toner cartridge
An electrostatic image developing toner includes a toner particle and an external additive. The toner particle contains a binder resin and a release agent that includes a hydrocarbon wax. The binder resin includes a vinyl resin and a hybrid resin in which an amorphous resin unit other than polyester resins and a crystalline polyester resin unit are chemically bound together. The toner particle has hybrid resin domains and release agent domains. An average distance Lhyb from the surface of the toner particle to the centers of the hybrid resin domains and an average distance Lwax from the surface of the toner particle to the centers of the release agent domains satisfy Lwax
US10520840B2 Cold pressure fix toner compositions based on small molecule crystalline and amorphous organic compound mixtures
A cold pressure fix toner composition includes at least one C16 to C80 crystalline organic material having a melting point in a range from about 30° C. to about 130° C. and at least one C16 to C80 amorphous organic material having a Tg of from about −30° C. to about 70° C. A method of cold pressure fix toner application includes providing the cold pressure fix toner composition, disposing the cold pressure fix toner composition on a substrate and applying pressure to the disposed composition on the substrate under cold pressure fixing conditions. The cold pressure fix toner compositions can be formed into latexes.
US10520830B2 Method and device for determining adjustments to sensitivity parameters
A method is described herein including applying, by a metrology apparatus, an incident radiation beam to a substrate including first features on a first layer and second features on a second layer, a relationship between the first and second features being characterized by a parameter of interest having a first value, wherein the metrology apparatus is operated in accordance with at least one characteristic having a first setting; receiving intensity data representing intensity of a portion of the incident radiation beam scattered by the first and second features; determining, based on the intensity data, a second value of the parameter of interest; and applying one or more adjustments to the at least one characteristic such that the at least one characteristic has a second setting different from the first, the one or more adjustments being determined based on a difference between the first value and the second value.
US10520828B2 Liquid immersion member, exposure apparatus, exposure method, device fabricating method, program, and recording medium
A liquid immersion exposure apparatus includes a liquid immersion member which forms a liquid immersion space under an emitting surface of an optical member. The liquid immersion member includes a first member disposed in a periphery of the optical member, and a second member which is movable relative to the first member and includes a liquid recovery port that recovers at least a portion of liquid in the liquid immersion space. The second member is moved in a direction perpendicular to an optical axis of the optical member so that a relative speed between the second member and an object below the liquid immersion member is smaller than a relative speed between the first member and the object. The second member has an outer surface facing radially outward relative to the optical axis of the optical member, the outer surface does not face toward any surface of the first member.
US10520827B2 Optical system, in particular for a microlithographic projection exposure apparatus
An optical system, in particular for a microlithographic projection exposure apparatus, with at least one mirror (200) which has an optically effective surface and, for electromagnetic radiation of a predefined operating wavelength impinging on the optically effective surface at an angle of incidence of at least 65° relative to the respective surface normal, has a reflectivity of at least 0.5. The mirror has a reflection layer (210) and a compensation layer (220) which is arranged above this reflection layer (210) in the direction of the optically effective surface. The compensation layer (220), for an intensity distribution generated in a pupil plane or a field plane of the optical system during operation thereof, reduces the difference between the maximum and the minimum intensity value by at least 20% compared to an analogous structure without the compensation layer.
US10520825B2 Illumination optical system, exposure apparatus and device manufacturing method
The illumination optical system for illuminating an illumination target surface with light from a light source is provided with a polarization converting member which converts a polarization state of incident light to form a pupil intensity distribution in a predetermined polarization state on an illumination pupil of the illumination optical system; and a phase modulating member which is arranged in the optical path on the illumination target surface side with respect to the polarization converting member and which transmits light from the pupil intensity distribution so as to convert linearly polarized light thereof polarized in a first direction, into required elliptically polarized light and maintain a polarization state of linearly polarized light polarized in a second direction (X-direction or Y-direction) obliquely intersecting with the first direction, in order to reduce influence of retardation caused by a subsequent optical system between the polarization converting member and the illumination target surface.
US10520823B2 EUV lithography system and method with optimized throughput and stability
Lithography methods and corresponding lithography apparatuses are disclosed herein for improving throughput of lithography exposure processes. An exemplary lithography method includes generating a plurality of target material droplets and generating radiation from the plurality of target material droplets based on a dose margin to expose a wafer. The dose margin indicates how many of the plurality of target material droplets are reserved for dose control. In some implementations, the plurality of target material droplets are grouped into a plurality of bursts, and the lithography method further includes performing an inter-compensation operation that designates an excitation state of target material droplets in one of the plurality of bursts to compensate for an energy characteristic of another one of the plurality of bursts.
US10520821B2 Lithography process with enhanced etch selectivity
The present disclosure provides a method for lithography patterning. The method includes coating a bottom layer on a substrate, wherein the bottom layer includes a carbon-rich material; forming a middle layer on the bottom layer, wherein the middle layer has a composition such that its silicon concentration is enhanced to be greater than 42% in weight; coating a photosensitive layer on the middle layer; performing an exposing process to the photosensitive layer; and developing the photosensitive layer to form a patterned photosensitive layer.
US10520817B2 Production method of wired circuit board
In a method for producing a wired circuit board includes a step (1), in which the insulating layer having an inclination face is provided; a step (2), in which a metal thin film is provided on the surface of the insulating layer including the inclination face; a step (3), in which a photoresist is provided on the surface of the metal thin film; a step (4), in which a photomask is disposed so that a first light exposure portion and a second light exposure portion in the photoresist are exposed to light, and the photoresist is exposed to light; a step (5), in which the first light exposure portion and the second light exposure portion are removed; and a step (6), in which the first wire and the second wire are provided on the surface of the metal thin film.
US10520815B2 Pattern-forming method
A pattern-forming method includes applying a radiation-sensitive composition on a substrate to provide a film on the substrate. The film is exposed. The film exposed is developed. The radiation-sensitive composition includes a metal-containing component that is a metal compound having a hydrolyzable group, a hydrolysis product of the metal compound having a hydrolyzable group, a hydrolytic condensation product of the metal compound having a hydrolyzable group, or a combination thereof. A content of a transition metal atom in the metal-containing component with respect to total metal atoms in the metal-containing component is no less than 50 atomic %.
US10520814B2 Resist underlayer film-forming composition, resist underlayer film, resist underlayer film-forming process, and production method of patterned substrate
A resist underlayer film-forming composition includes a solvent, and a compound comprising an aromatic ring. The solvent includes a first solvent having a normal boiling point of less than 156° C., and a second solvent having a normal boiling point of no less than 156° C. and less than 300° C. The resist underlayer film-forming composition is for use in forming a resist underlayer film to be overlaid on a patterned substrate. A production method of a patterned substrate includes applying the resist underlayer film-forming composition on a patterned substrate to obtain a coating film on the patterned substrate. The coating film is heated to obtain a resist underlayer film. A resist pattern is formed on an upper face side of the resist underlayer film. The resist underlayer film and the substrate are etched using the resist pattern as a mask.
US10520810B2 Process for producing photoresist pattern and photoresist composition
A process for producing a photoresist pattern comprising steps (1) to (5);(1) applying a photoresist composition onto a substrate, said photoresist composition comprising an acid generator and a resin which comprises a structural unit having an acid-liable group;(2) drying the applied composition to form a composition layer;(3) exposing the composition layer;(4) heating the exposed composition layer; and(5) developing the heated composition layer with a developer which comprises butyl acetate,wherein a distance of Hansen solubility parameters between the resin and butyl acetate is from 3.3 to 4.3,the distance is calculated from formula (1): R=(4×(δdR−15.8)2+(δpR−3.7)2+(δhR−6.3)2)1/2  (1) in which δdR represents a dispersion parameter of the resin, δpR represents a polarity parameter of the resin, δhR represents a hydrogen bonding parameter of the resin, and R represents the distance, and a film retention ratio of the photoresist pattern relative to the composition layer is adjusted to 65% or more.
US10520808B2 Manufacturing method of diffractive optical elements
Manufacturing methods are disclosed to produce DOE, HOE and Fresnel optical elements. These methods enable low cost manufacturing with high precision. The methods include lithography, roll-to-roll imprint and UV-casting.
US10520805B2 System and method for localized EUV pellicle glue removal
An extreme ultraviolet (EUV) mask having a pellicle disposed thereover is received. The EUV pellicle is coupled to the EUV mask at least in part via glue that is disposed on the EUV mask. The EUV pellicle is removed, thereby exposing the glue. A localized glue-removal process is performed by targeting a region of the EUV mask on which the glue is disposed. The localized glue-removal process is performed without affecting other regions of the EUV mask that do not have the glue disposed thereon. The localized glue-removal process may include injecting a cleaning chemical onto the glue and removing a waste chemical produced by the cleaning chemical and the glue. The localized glue-removal process may also include a plasma process that applies plasma to the glue. The localized glue-removal process may further include a laser process that shoots a focused laser beam at the glue.
US10520803B2 Projector device
A projector device includes an illumination module and an imaging module. The imaging module is connected to the illumination module and includes a housing, a relay optical system, and a projection optical system. The housing has a first annular receiving groove and a second annular receiving groove. The first annular receiving groove is closer to the illumination module than the second annular receiving groove. A center axis line of the first annular receiving groove and a center axis line of the second annular receiving groove are on the same axis line. The relay optical system includes a lens received in the first annular receiving groove. The projection optical system includes a lens and a reflecting mirror received in the second annular receiving groove. Mirror centers of the lenses and a mirror center the reflecting mirror are located on the same axis line.
US10520800B2 Phosphor wheel, phosphor wheel device including the same, light conversion device, and projection display apparatus
A phosphor wheel includes a first face that has a phosphor layer, a second face located on an opposite side to the first face, a first blade provided to project from one of the first face and the second face, and a passage that sends air to the second face from the first face. The first blade is provided to send air on a side of the first face to a side of the second face through the passage during rotation of the phosphor wheel.
US10520794B2 Camera, setting method of camera, and setting program of camera
Provided are a camera capable of preventing an erroneous operation with a compact configuration and has high operability, a setting method of the camera, and a setting program of the camera. A top surface of an operation dial is divided into a plurality of regions. An item to be changed in the setting by the operation dial is set in each divided region. Contact with each divided region is detected, and the setting change of the item set in a region where the contact is detected is validated. In a case where the operation dial is rotationally operated, a setting of the item whose setting change is validated is changed in response to an operation.
US10520791B2 Image pickup system capable of performing bounce flash shooting, light emission device, method of controlling light emission device, and storage medium
A technique that prevents a movable unit of a strobe device including a light emission section from unexpectedly interfering with an obstacle during rotation thereof. The movable unit is supported in a manner rotatable with respect to a device body about a first axis in a vertical direction, and rotatable about a second axis in a lateral direction. In bounce flash shooting, the movable unit irradiates light from the light emission section toward a ceiling to cause reflected light from the ceiling to be irradiated to an object. The movable unit is rotated such that the light emission section is oriented in the optimum irradiating direction. Whether to drive the movable unit in the lateral direction is determined based on a result of determining whether a rotational angle of the movable unit driven in the vertical direction exceeds a predetermined angle.
US10520789B2 Modular ultraviolet pulsed laser-source
Apparatus for generating ultraviolet (UV) pulsed laser-radiation for material-processing includes a laser-source providing infrared (IR) pulsed laser-radiation and a frequency-conversion module. A lithium tetraborate (Li2B4O7) crystal located within the frequency-conversion module converts the IR pulsed laser-radiation to UV pulsed laser-radiation by non-linear harmonic generation. The frequency-conversion module is an airtight enclosure that may be evacuated or contain a dry gas. A flexible optical fiber-assembly transports the IR pulsed laser-radiation from the laser-source to the frequency-conversion module.
US10520785B2 Driving thin film switchable optical devices
Controllers and control methods apply a drive voltage to bus bars of a thin film optically switchable device. The applied drive voltage is provided at a level that drives a transition over the entire surface of the optically switchable device but does not damage or degrade the device. This applied voltage produces an effective voltage at all locations on the face of the device that is within a bracketed range. The upper bound of this range is associated with a voltage safely below the level at which the device may experience damage or degradation impacting its performance in the short term or the long term. At the lower boundary of this range is an effective voltage at which the transition between optical states of the device occurs relatively rapidly. The level of voltage applied between the bus bars is significantly greater than the maximum value of the effective voltage within the bracketed range.
US10520784B2 Controlling transitions in optically switchable devices
This disclosure provides systems, methods, and apparatus for controlling transitions in an optically switchable device. In one aspect, a controller for a tintable window may include a processor, an input for receiving output signals from sensors, and instructions for causing the processor to determine a level of tint of the tintable window, and an output for controlling the level of tint in the tintable window. The instructions may include a relationship between the received output signals and the level of tint, with the relationship employing output signals from an exterior photosensor, an interior photosensor, an occupancy sensor, an exterior temperature sensor, and a transmissivity sensor. In some instances, the controller may receive output signals over a network and/or be interfaced with a network, and in some instances, the controller may be a standalone controller that is not interfaced with a network.
US10520780B2 Electroactive device provided with a trilayer bus bar
An electroactive package is disclosed that includes an active film and a pair of transparent conductive layers positioned on opposite sides of the active film. The transparent conductive layers each include an overhang section that extends beyond an edge of the active film, with the overhang sections being located at a periphery of the electroactive package. A bus bar is disclosed that comprises a pair of electrically-conductive layers and an insulative layer positioned between the electrically-conductive layers. The bus bar extends along at least a portion of the periphery of the electroactive package and is positioned between the overhang sections of the transparent conductive layers. Also disclosed are electroactive windows, and methods of making them.
US10520778B2 Liquid crystal lens and display device
This invention relates to a liquid crystal lens and a display device, and the liquid crystal lens includes a first substrate, a second substrate, a first electrode unit, plural electrode units, and a liquid crystal layer. Liquid crystal molecules corresponding to the electrode units form a plurality of lenses under the effect of a controlled electric field produced by the second electrode unit and the first electrode unit, and at least some of the lenses have different structures.
US10520777B2 Liquid crystal display comprising a first sub pixel electrode and a second sub pixel electrode each having a transverse stem, a longitudinal stem, and a plurality of minute branches
A liquid crystal display, including a first substrate; a gate line and a data line disposed on the first substrate; and a pixel electrode connected to the gate line and the data line and comprising a first sub pixel electrode and a second sub pixel electrode disposed on the first substrate. Each of the first sub pixel electrode and the second sub pixel electrode includes a transverse stem; a longitudinal stem; and a plurality of minute branches extending from transverse stem and the longitudinal stem. A width of the first sub pixel electrode is different from a width of the second sub pixel electrode.
US10520776B2 Liquid crystal display device
According to an aspect, a liquid crystal display device includes: a first substrate provided with a first electrode portion that includes a plurality of strip electrodes arranged in a first direction and that is configured to generate a transverse electric field in the first direction; a liquid crystal layer in which liquid crystal molecules are oriented in the first direction when the transverse electric field is not generated; a second substrate facing the first substrate across the liquid crystal layer; and an electrode provided at the second substrate.
US10520773B2 Liquid crystal display panel and liquid crystal display
A liquid crystal display panel and a liquid crystal display are disclosed. The liquid crystal display panel includes a color film substrate and an array substrate disposed opposite each other, wherein the array substrate includes a pixel electrode, a color resistance layer, and a thin film transistor, the color resistance layer is provided with a through hole, a drain of the thin film transistor is connected with the pixel electrode through the through hole, and a region corresponding to the through hole is provided with a spacer for separating liquid crystal molecules in the region where the through hole is located from liquid crystal molecules in a region where the electrodes are located.
US10520768B2 Display panel, input/output panel, and data processing device
A novel display panel that is highly convenient or reliable is provided. A novel input/output panel that is highly convenient or reliable is provided. A novel data processing device that is highly convenient or reliable is provided. The display panel includes a layer containing a liquid crystal material, a first pixel, a second pixel, and an anti-reflection structure. The layer containing a liquid crystal material includes a first region, a second region, and a third region. The first pixel includes the first region. The second pixel includes the second region. The anti-reflection structure includes a region overlapping with the third region. The anti-reflection structure has a function of reducing reflectance of visible light which enters through the layer containing a liquid crystal material.
US10520767B2 Polarizer and LCD device using same
A polarizer includes a first polarizing layer. The polarizing layer is configured for polarizing light. The first polarizing layer has a first absorption axis. The first absorption axis is a curved line.
US10520766B2 Display panel and manufacturing method therefor
A display panel and a manufacturing method therefor are disclosed. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, and at least one of a first organic film layer disposed on the first substrate, and a second organic film layer disposed on the second substrate, where at least one of the first organic film layer or the second organic film layer is an polyimide doped with a dichromatic organic dye.
US10520762B2 Display device and method of manufacturing the same
A display device and a method of manufacturing the same, the device including a support panel including a body and a guide, the guide being on one side of the body; a protective cap spaced apart from the guide at one side of the support panel; a first substrate on the support panel; and a flexible printed circuit board on one side of the first substrate, wherein an accommodation space is defined between the protective cap and the guide, and the flexible printed circuit board is accommodated in the accommodation space.
US10520758B2 Optical modulating device having gate structure
An optical modulating device includes a permittivity change layer having a variable permittivity, a dielectric layer disposed on the permittivity change layer, a nanoantenna disposed on the dielectric layer, and a light-emitting structure disposed adjacent to the permittivity change layer.
US10520754B2 Lenses, devices, systems and methods for refractive error
The present disclosure is directed to lenses, devices, methods and/or systems for addressing refractive error. Certain embodiments are directed to changing or controlling the wavefront of the light entering a human eye. The lenses, devices, methods and/or systems can be used for correcting, addressing, mitigating or treating refractive errors and provide excellent vision at distances encompassing far to near without significant ghosting. The refractive error may for example arise from myopia, hyperopia, or presbyopia with or without astigmatism. Certain disclosed embodiments of lenses, devices and/or methods include embodiments that address foveal and/or peripheral vision. Exemplary of lenses in the fields of certain embodiments include contact lenses, corneal onlays, corneal inlays, and lenses for intraocular devices both anterior and posterior chamber, accommodating intraocular lenses, electro-active spectacle lenses and/or refractive surgery.
US10520751B2 Apparatus and method for determining optical parameters
An apparatus for determining optical parameters of a user with spectacles arranged in the use position on the head of the user includes at least one projection device designed and arranged for marking a partial region of the head of the user and/or of the spectacles of the user with a light projection; at least one image recording device designed and arranged for generating image data at least from the marked partial region of the head of the user and/or of the spectacles of the user; and a data processing device with a user data determining device, which is designed to determine user data from the marked partial region of the head and/or of the spectacles on the basis of the generated image data, wherein the user data comprise spatial information in the three-dimensional space of points of the partial region of the head and/or of the spectacles, and a parameter determining device, which is designed to determine optical parameters of the user on the basis of the user data.
US10520747B2 Lens module
A lens module including a light path altering element, a first lens assembly, a first sensor and at least one group of electronically controlled deformation element is provided. An image beam incident to the optical path altering element is diverted from a first light transmission path to a second light transmission path. The first lens assembly is disposed between the light path altering element and the first sensor. The at least one group of electronically controlled deformation element is connected to the light path altering element, and deformation of the at least one group of electronically controlled deformation element makes the light path altering element to move.
US10520740B2 Diamond shaped lens system
A diamond-shaped lens system includes: a half diamond-shaped lens including refractive material and having a first surface, a second surface and a third surface for refracting incident light beams from an object having a width of X, from the first surface towards the second surface; a first reflective material positioned at the second surface of the half diamond-shaped lens for reflecting the refracted light beams at a first angle toward the third surface; a second reflective material positioned at the third surface of the half diamond-shaped lens for reflecting the light beams reflected from the first reflective material toward the first surface to exit the first surface at a second angle toward the third surface to form an image of the object with a width Y; and; an apparatus for processing the image of the object to reduce chromatic aberrations.
US10520739B1 Dynamic panel masking
A panel mask(s) rendered on a display panel(s) of a head-mounted display (HMD) may be dynamically adjusted (increased and decreased) in size in order to hide unwanted visual artifacts from view, as needed. For example, if frames are being rendered on the display panel of the HMD using re-projection, a size value associated with at least a portion of the panel mask can be adjusted based on rotation of the HMD to increase or decrease a size of at least the portion of the panel mask from a current size to an adjusted size, and the panel mask can be rendered with at least the portion of the panel mask rendered at the adjusted size to hide the unwanted visual artifacts. The size of the portion of the panel mask can subsequently decrease, over a period of time, if re-projection ceases and/or if head rotation ceases or slows down.
US10520737B2 Beam angle sensor in virtual/augmented reality system
A virtual image generation system for use by an end user comprises a projection subsystem configured for generating a collimated light beam, and a display configured emitting light rays in response to the collimated light beam to display a pixel of an image frame to the end user. The pixel has a location encoded with angles of the emitted light rays. The virtual image generation system further comprises a sensing assembly configured for sensing at least one parameter indicative of at least one of the emitted light ray angles, and a control subsystem configured for generating image data defining a location of the pixel, and controlling an angle of the light beam relative to the display based on the defined location of the pixel and the sensed parameter(s).
US10520733B2 Virtual image display device including first and second light guiding units and manufacturing method thereof
A virtual image display device includes a display light guiding unit, and an image forming unit that emits image light to the display light guiding unit, the display light guiding unit includes a first light guiding unit that guides image light corresponding to a first angle of view, and a second light guiding unit that guides image light corresponding to a second angle of view, among angles of view of image light emitted from the image forming unit, and the first light guiding unit and the second light guiding unit respectively include incident side diffraction elements that take the image light beams into the inside, and emission side diffraction elements that emit the image light beams to the outside.
US10520731B2 Compact head-mounted display system protected by a hyperfine structure
There is provided an optical system, including a light-transmitting substrate (20) having at least two external major surfaces and edges, an optical element for coupling light waves into the substrate (20) by internal reflection, at least one partially reflecting surface located in the substrate (20), for coupling light waves out of the substrate (20), at least one transparent air gap film (110) including a base (112) and a hyperfine structure (111) defining a relief formation, constructed on the base, wherein the air gap film is attached to one of the major surfaces of the substrate (20), with the relief formation facing the substrate (20) defining an interface plane (58), so that the light waves coupled inside the substrate (20) are substantially totally reflected from the interface plane (58).
US10520727B2 Holographic display apparatus and holographic display method
A holographic display apparatus includes a spatial light modulator configured to generate hologram patterns to modulate light; an illuminator configured to emit the light to the spatial light modulator; and a controller configured to control operations of the spatial light modulator and the illuminator, the spatial light modulator being configured to generate, from among the hologram patterns, a first hologram pattern and a second hologram pattern according to the control operations of the controller, the first hologram pattern and the second hologram pattern being configured to form a first hologram image and a second hologram image having different viewpoints, and the controller being configured to set a first phase modulation value of the first hologram pattern and a second phase modulation value of the second hologram pattern to be different from each other such that hologram images having different viewpoints are formed.
US10520726B2 Head-up display (HUD) apparatus for vehicle
A head-up display (HUD) apparatus for a vehicle, including: a light source unit configured to irradiate light; an image forming unit configured to form an image using the light generated through the light source unit; a condensing lens unit installed between the light source unit and the image forming unit, and configured to condense the light irradiated from the light source unit toward the image forming unit; a parallel lens unit installed between the condensing lens unit and the image forming unit, and configured to guide the light having passed through the condensing lens unit such that the light is irradiated in parallel toward the image forming unit; and a field lens unit installed between the parallel lens unit and the image forming unit, and forming a concave lens toward the image forming unit.
US10520723B2 Ultra-sonic self-cleaning system
Methods and systems for cleaning an optic include measuring a state of the optic. It is determined whether the optic needs to be cleaned based on the measured state of the optic. The optic is cleaned with ultrasonic vibrations if the optic needs to be cleaned.
US10520722B2 Systems and methods for using a MEMS projector to determine an orientation of a photosensor of an HMD or another controller
A method for determining an orientation of a photosensor of a controller with respect to a projector is described. The method includes generating, by a beam generator of the projector, a beam. The method further includes modifying a direction of travel of the beam using a micro-electro-mechanical systems (MEMS) mirror that moves in a pattern, detecting the beam, calculating a time at which the beam is detected, and determining based on the pattern and the time an orientation of the beam to determine the orientation of the photosensor.
US10520718B2 Optical system of a stereo video endoscope
An optical system including: a sideways-viewing, distal optical assembly including an entry lens, a deflecting unit configured as a prism unit, and an exit lens on a common optical axis; a proximal optical assembly including left and right lens system channels, wherein the right and left lens system channels are identically configured and parallel to each other and each having an optical axis; and a prism unit between the distal optical assembly and the proximal optical assembly, the prism unit couples a left beam path exiting the exit lens into the left lens system channel and a right beam path exiting the exit lens into the right lens system channel; wherein a second distance between the left and right lens system channels is adjustable, the second distance being in a direction perpendicular to the first and second optical axes of the respective first and second lens system channels.
US10520715B2 Methods and apparatus for stretched light field microscope
The information budget of a light field microscope is increased by increasing the field of view and image circle diameter of the microscope, while keeping the ratio of overall magnification of the microscope to the numerical aperture of the microscope unchanged. Alternatively, the information budget is increased by increasing the field of view and image circle diameter of the microscope by a first factor, while increasing the ratio of overall magnification of the microscope to the numerical aperture of the microscope by a smaller, second factor. In some cases, an infinity-corrected light field microscope has an overall magnification that is greater than the nominal magnification of the objective lens.
US10520711B2 Microscopy imaging
Among other things, an imaging device has a photosensitive array of pixels, and a surface associated with the array is configured to receive a specimen with at least a part of the specimen at a distance from the surface equivalent to less than about half of an average width of the pixels.
US10520709B1 Projection system
A projection system includes a long-focus lens that is able to generate an image independently with a focal length between 70-300 mm, a short-focus lens that is able to generate an image independently with a focal length between 3-8 mm and shares an optical axis with the long-focus lens and at least one reflector to reflect the optical axis for direction change. When the long-focus lens generates an image, the short-focus lens then generates the image to a pre-determined position thereby.
US10520708B2 Optical image capturing lenses
An optical image capturing lenses includes, in order from an object side to an image side, a front lens group, a stop, and a rear lens group. The front lens group includes, in order from the object side to the image side, at least a first lens element and a second lens element. The first lens element has a convex object-side surface and a concave image-side surface. The rear lens group includes, in order from the object side to the image side, at least a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The sixth lens element is made of plastic material. The object-side surface and the image-side surface of the sixth lens are aspheric. The sixth lens element has at least one inflection point formed on at least one of the object-side surface and the image-side surface thereof.
US10520706B2 Camera optical lens
The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
US10520705B2 Imaging lens system, image capturing unit and electronic device
An imaging lens system includes six lens elements, which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The sixth lens element has an image-side surface being concave in a paraxial region thereof. The image-side surface of the sixth lens element has at least one inflection point.
US10520704B2 Optical image assembly, image capturing apparatus and electronic device
An optical image assembly includes six lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has positive refractive power. The sixth lens element has negative refractive power.
US10520699B2 Lens driving device, camera module and optical apparatus
A lens driving device is provided, including: a holder member; a first driving unit disposed at the holder member; a base disposed at a lower side of the holder member and spaced apart from the holder member; a first circuit board disposed at an upper surface of the base; a second circuit board including a second driving unit facing the first driving unit, and disposed at an upper surface of the first circuit board; a support member supporting the holder member with respect to the base; and a guide portion protruded from an upper surface of the base, wherein the guide portion supports the second circuit board. In an embodiment, a coil at the second circuit board and a magnet at the holder member may be assembled at a predetermined interval, such that reliability of the product with respect to performance of handshake compensation device can be enhanced.
US10520696B2 In-vehicle camera lens unit
An in-vehicle camera lens unit having stable temperature characteristics even when lenses are mounted in a resin holder is provided. With an in-vehicle camera lens unit, a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, and a sixth lens, which are disposed in this order from an object side to an image side, are held in a resin holder. The first lens 1, the second lens, the fifth lens, and the sixth lens are glass lenses, and of the third lens and the fourth lens disposed on both sides of the diaphragm, the third lens, which is a meniscus lens, is a plastic lens, and the fourth lens, which is a double convex lens, is a glass lens.
US10520694B2 Medical devices and related methods
A medical device may include a spool element, including a channel to receive or store a coiled element, and a handle element. The handle element may be coupled to the spool element and include a lumen that at least partially opens into the channel. The medical device may also include an introducer element coupled to the handle, and relative rotation of the spool element and the handle element may dispense or retract the coiled element from the introducer.
US10520691B2 Round and small diameter optical cables with a ribbon-like optical fiber structure
An optical fiber cable including an optical fiber ribbon in a pipe, wherein the ribbon includes at least two optical fibers arranged side by side, and wherein at least two of the optical fibers are bonded intermittently along a length of the fibers.
US10520690B2 Narrow width adapters and connectors with pull tab release
Narrow width fiber optic connectors having spring loaded remote release mechanisms to facilitate access and usage of the connectors in high density arrays. A narrow width fiber optic connector comprises a multi-fiber connector, wherein a width of said narrow width fiber optic connector is less than about 5.25 mm, a housing configured to hold the multi-fiber connector and further comprising a connector recess, and a pull tab having a ramp area configured to disengage a latch of one of an adapter and an SFP from said connector recess. The pull tab may include a spring configured to allow the latch of one of the adapter and the SFP to engage with the connector recess.
US10520688B2 Fiber optic connector with releasable pull/push tab using a removal tool
A fiber optic connector having a push/pull tab wherein the push/pull tab travel is removed from connector housing using a tool.
US10520684B2 Optical ferrules
An optical ferrule adapted to receive and transmit light is described. The optical ferrule includes first and second alignment features for mating with corresponding alignment features of a mating optical ferrule. One of the first and second alignment features may be compressible, expandable or compliant. An optical ferrule having first and second alignment features is described, wherein the ferrule is adapted such that the mating/unmating to/from a corresponding ferrule can be effected along two orthogonal dimensions of the ferrule. Additionally an optical ferrule having first and second alignment features is described, wherein the first and second alignment features are located at substantially different first and second locations/contact regions along the ferrule mating direction; the contact regions may also be offset along the thickness direction of the ferrule.
US10520682B2 Optical fiber alignment device and method
A fiber optic alignment device includes a first and a second alignment block and a first and a second gel block. A fiber passage extends from a first end to a second end of the fiber optic alignment device. The fiber passage is adapted to receive a first optical fiber through the first end and a second optical fiber through the second end. An intermediate portion of the fiber passage is positioned between the first and the second ends. The intermediate portion is adapted to align the first and the second optical fibers between the first and the second alignment blocks. A first portion of the fiber passage is positioned between the first end and the intermediate portion of the fiber passage. The first portion extends between the first alignment block and the first gel block. A second portion of the fiber passage is positioned between the second end and the intermediate portion of the fiber passage. The second portion extends between the second alignment block and the second gel block. End portions of the first and the second optical fibers may be cleaned when slid between the alignment blocks and the gel blocks. The fiber passage may include an undulating portion.
US10520678B1 Fiber array unit and fiber array apparatus having the same
A high-density fiber array unit includes a plurality of substrates arranged and connected in an array, a side plate arranged at one side of the plurality of substrates and connected to one of the plurality of substrates, and a plurality of fibers. Each substrate comprises a first surface and a second surface opposing the first surface, and the first surface defines positioning grooves. The side plate is connected to the first surface of one of the substrates, and each fiber can be fixed to and held by a positioning groove. A fiber array apparatus including the fiber array unit is also provided.
US10520677B2 Integrated photonic device for modulating the phase of a light signal
An integrated photonic device comprises: an input waveguide configured to extend in an input plane, and an output waveguide configured to extend in an output plane, wherein the output plane is parallel to or contained within the input plane; an input coupler optically coupled to the input waveguide, wherein the input coupler is configured to redirect a light signal out of the input waveguide and the input plane; a light property modifier configured to receive the light signal from the input coupler and reflect the light signal towards the output plane, wherein the light property modifier is configured to selectively adjust an optical path length of the light signal; and an output coupler optically coupled to the output waveguide, wherein the output coupler is configured to receive the reflected light signal from the light property modifier and redirect the light signal into the output waveguide and the output plane.
US10520676B2 Splice-on fiber optic connector
The present disclosure relates to a splice-on connector configuration having connector body defining a forward fiber buckling region and a rearward splice encapsulation region. The splice encapsulation region can be filled with curable adhesive. The splice encapsulation region can also function to anchor a fiber optic cable.
US10520674B2 Compact optical fiber cleaving apparatus and methods using a microchip laser system
An optical fiber cleaving apparatus that employs a microchip laser system for cleaving an optical fiber is disclosed. The microchip laser system is operably arranged relative to an optical system that receives an initial laser beam and forms a focused laser beam that includes a focus spot. The focus spot is directed to the outer surface of the optical fiber to create an optical damage zone that includes at least one micro-crack necessary for performing the cleaving operation. Methods of aligning the optical fiber to the focus spot and performing the cleaving operation using the cleaving apparatus are also disclosed.
US10520672B2 Optical hybrid
An optical circuit capable of operating as a 90° optical hybrid includes a phase-symmetric optical splitter and a 90° optical splitter, and two 2×2 optical couplers as optical combiners. The input ports of the optical combiners and the output ports of the optical splitters face a common area therebetween, with the optical splitters interposed between optical combiners as viewed along the circumference of the common area. The output ports of each optical splitter is connected to closest input ports of the optical combiners with optical waveguides of a same length. The length of the waveguides may be minimized when the optical couplers and the optical splitters are disposed in a cross-like configuration.
US10520671B2 Fiber with depressed central index for increased beam parameter product
A method includes generating a multimode laser beam having an initial beam parameter product (bpp) and directing the multimode laser beam to an input end of a fiber so as to produce an output beam at an output of the fiber with a final bpp that is greater than the initial bpp. Another method includes measuring a base bpp associated with a multimode laser beam generated from a laser source and emitted from an output fiber output end, determining a bpp increase for the multimode laser beam, and selecting a bpp increasing optical fiber having an input end and an output end so that the multimode laser beam with the base bpp coupled to the input end has an output bpp at the output end of the bpp increasing optical fiber corresponding to the determined bpp increase.
US10520670B2 Few mode optical fiber
The present disclosure provides a few mode optical fiber. The few mode optical fiber includes a core region. A core region defined by a region around a central longitudinal axis of the few mode optical fiber. In addition, the core region has a first annular region extended from central longitudinal axis to radius r1, a second annular region extended from radius r1 to radius r2, a third annular region extended from radius r2 to radius r3, a fourth annular region extended from radius r3 to radius r4 and a fifth annular region extended from radius r4 to radius r5. Also, the few mode optical fiber has a cladding defined by the sixth annular region extended from radius r5 to radius r6.
US10520669B2 Automated system for trans-jacket fibre Bragg grating inscription and manufacturing
There is provided an alignment system and method for use in an ultrashort pulse duration laser-based Fiber Bragg Grating (FBG) writing system, the alignment system comprising: clamps configured to hold a coated optical fiber in a position perpendicular to a beam path of an ultrashort pulse duration laser-based FBG writing station; an optical detector; and a control system with an input from the optical detector and an output to adjust parameters of an optical source and the FBG writing station adjust a distance between the optical fiber and an optical source of the writing station based on luminescence generated in a core of the optical fiber as indicated in a signal received at the input from the optical detector.
US10520667B2 Light guide apparatus and fabrication method thereof
A light guide apparatus that can redirect light impinging on the apparatus over a wide range of incident angles and can concentrate light without using a tracking system and methods for fabrication. This apparatus uses conditions of total internal reflection and refraction near the critical angle for total internal reflection (near TIR) in order to trap light within the apparatus.
US10520666B2 Display device and television apparatus
A display device includes a display panel, a light source, a reflection sheet, and a supporting unit. The supporting unit has a first protruding portion that contacts with a first area of a rear facing surface of the reflection sheet, a second protruding portion that contacts with a second area of the rear facing surface, a third protruding portion that contacts with a third area of the rear facing surface and a fourth protruding portion that contacts with a fourth area of the rear facing surface. The first, second, third and fourth areas are spaced apart from a center portion of the reflection sheet. The first and second areas are spaced apart from each other in a first direction. The third and fourth areas are spaced apart from each other in a second direction that is perpendicular to the first direction.
US10520664B2 Backlight module and display device
A backlight module and a display device are provided. The backlight module includes: a rubber frame, a reflective film and an optical component. The optical component is arranged at a receiving region formed on the top of the rubber frame, the rubber frame is provided with an adhesive at the bottom, and the reflective film is fixed to the rubber frame through the adhesive to space the reflective film apart from the optical component by a predetermined interval.
US10520661B2 Backlight unit, display device including the same, and method of fabricating the backlight unit
A backlight unit includes a light source generating light, a light guide plate guiding the light in an upper direction, and an optical member disposed on the light guide plate to condense the light provided from the light guide plate in the upper direction. A top surface of the light guide plate includes a plurality of circular areas and a peripheral area around the circular areas. Each of the circular areas includes a central circular area and a ring area surrounding the central circular area. The optical member includes a first insulating layer disposed on the light guide plate and spaced apart from the light guide plate by predetermined distances in the ring areas and the peripheral area to define a plurality of cavities, and a second insulating layer disposed on the first insulating layer.
US10520659B1 Light-emitting pad structure and manufacturing method thereof
A light-emitting pad structure and a manufacturing method thereof are provided. The light-emitting pad structure includes: a pad unit, including a main pad body and a light-emitting module, and the main pad body has a top wall, a bottom wall and a lateral annular wall; a light-guiding strip, bent for being surrounded at a periphery of the lateral annular wall and arranged corresponding to the light-emitting module; a light-pervious fabric member having a middle segment and an outer segment, the middle segment is adhered to the top wall, the outer segment is adhered to the bottom wall, so that the light-pervious fabric member is formed with an accommodation bag arranged to cross the lateral annular wall and enclose the light-guiding strip; and a bottom plate adhered to and covering the bottom wall and the outer segment.
US10520655B2 Glare reducing glazing articles
Glazing articles that reduce glare include a glazing substrate, and a reflective polarizing film article attached to the glazing substrate. The reflective polarizing film article includes a reflective polarizing film, and a reflection inhibitor layer. The reflective polarizing film articles reduce transmission of polarized light with a polarization block axis that is horizontal, and reduce horizontally polarized light to 90% or less of the horizontally polarized incident visible light. The reflective polarizing film may include a multi-layer film construction. The reflection inhibitor layer may include a tinted layer or an absorptive polarizer layer. Glazing units that reduce glare include at least one glazing substrate, at least one reflective polarizing film, and at least one reflection inhibitor layer. The glazing substrate, reflective polarizing film, and reflection inhibitor layer may or may not be in contact with one another.
US10520653B2 Grating lens, lens-type grating, and display device
A grating lens is disclosed. The grating lens is of a uniform columnar body, both shapes and sizes of respective cross sections perpendicular to an axis of the grating lens are the same, the grating lens includes sides formed of a plane and a cambered surface, an intersecting line between an oblique section of the grating lens and the cambered surface is a circular arc, and the oblique section is any section which forms a predetermined angle A with the axis of the grating lens and is perpendicular to the plane, where 0°
US10520645B2 Method and system for predicting the financial impact of forecasted weather conditions
A system and method of predicting the impact of forecasted weather, environmental, and geologic events (that include one or more weather/environmental/geologic conditions) by determining a recurrence interval of each past condition in each location, determining the correlation between the past condition and the observable impact of the past event, calculating a predicted observable impact of each past event, calculating a predicted impact of each past event recurring by multiplying the predicted observable impact of the past event by the recurrence interval of the past condition, grouping the past events into a plurality of groups based on the predicted impact of the past condition recurring, determining a threshold for each group, receiving forecasted conditions, and determining the predicted impact of the forecasted conditions by comparing the forecasted conditions with the thresholds.
US10520644B1 Imaging a subsurface geological model at a past intermediate restoration time
A system and method is provided for restoring a 3D tomographic model of the Earth's subsurface geology from the present-day to a past restoration time. Whereas at the present time all faults represent active discontinuities, at a past restoration time some faults have not yet formed. Accordingly, the restored model divides the fault network into τ-active faults (discontinuous surfaces for faults that intersect the layer deposited at the past restoration time) and τ-inactive faults (continuous surfaces for faults that do not intersect the layer deposited at the past restoration time). A new 3D restoration transformation is also provided that uses linear geological constraints to process the restoration model in less time and generate more accurate geological images.
US10520642B2 Rock movement sensor for use during blasting
The present invention provides a rock movement sensor including an inertial measurement assembly, a control assembly responsive to said inertial measurement assembly and a communication assembly coupled to the control assembly. The control assembly is arranged to determine a displacement associated with a blast or drop based on signals from the inertial measurement assembly. The communication assembly is preferably a wireless communication assembly. A surface unit corresponding to the rock movement sensor is provided which includes a processor programmed to operate a communications assembly to receive displacement data from the rock movement sensor. Consequently, the movement of an ore body due to a blast may be determined by locating a number of the rock movement sensors at known locations about the ore body prior to the blast and subsequently retrieving data values indicating a displacement relative to the known locations from the rock movement sensor post blast.
US10520635B2 Apparatus and method for determining earth's near-surface properties with on-time measurements from airborne time-domain electromagnetic data
A device and method for calculating electrical properties of a surveyed underground formation. The method includes selecting a waveform having multiple current transition rates; placing a time-domain electromagnetic (TEM) system above the underground formation while generating with a transmitter a transient primary magnetic field during an on-time period and no magnetic field during a following off-time period, due to the waveform; and recording with a receiver magnetic related data generated by the earth as a result of the transient primary magnetic field. The receiver records the magnetic related data during the on-time period using plural on-time gates sampling.
US10520633B2 Dual-transmitter with short shields for transient MWD resistivity measurements
Systems, devices, and methods for evaluating an earth formation. Method embodiments may include conveying a carrier in a borehole, the carrier including a conducting tubular having a plurality of transmitters and a receiver non-collocated with the plurality of transmitters; inducing a first current in the earth formation using a first transmitter of the plurality of transmitters; measuring with the receiver a first time-dependent transient electromagnetic (TEM) signal induced by the formation responsive to the first current; inducing a second current in the earth formation using a second transmitter of the plurality of transmitters; measuring with the receiver a second TEM signal induced by the formation responsive to the second current; and using at least one processor to estimate a value of a resistivity property of the earth formation using a bucked signal derived from the first time-dependent TEM signal, the second time-dependent TEM signal, and a bucking coefficient K(t).
US10520628B2 Downhole gradiometric ranging for T-intersection and well avoidance utilizing transmitters and receivers having magnetic dipoles
A ranging system utilizes gradiometric data to determine the direction to and distance between a first and second well without any knowledge or involvement of the borehole or formation characteristics in order to intersect and/or avoid the second well. In general, this is achieved by deploying a downhole assembly comprising transmitters and receivers having magnetic dipoles, along with bucking receivers positioned between the transmitters and receivers.
US10520627B2 Modeling an elastic stiffness tensor in a transverse isotropic subsurface medium
Modeling an elastic stiffness tensor in a transverse isotropic subsurface medium acquires well log data for at least one well passing through the transverse isotropic subsurface medium. The transverse isotropic subsurface medium is divided into an effective anisotropic layer and an isotropic layer. The effective anisotropic layer elastic parameters are modeled, and the isotropic layer elastic parameters are modeled using the effective anisotropic layer elastic parameters and the acquired well log data. The modeled effective anisotropic layer elastic parameters and the modeled isotropic layer elastic parameters are used to upscale the effective anisotropic layer and the isotropic layer into the transverse isotropic subsurface medium comprising a single layer and to determine the five members of the elastic stiffness tensor for the transverse isotropic subsurface medium.
US10520626B2 Continuous beamforming while moving: method to reduce spatial aliasing in leak detection
Tools, systems, and methods may be configured for or include detecting one or more underground acoustic sources and localizing them in depth and radial distance from a wellbore using an array of at least three acoustic sensors disposed in the wellbore in conjunction with array-signal-processing that accounts for movement of the acoustic sensors and spatial aliasing by using adaptive time dependent modelled steering vector weights.
US10520625B2 Assessing a fracture propagation model based on seismic data
Some aspects of what is described here relate to seismic data analysis techniques. A seismic excitation is generated in a first directional wellbore section in a subterranean region. A seismic response associated with the seismic excitation is detected in a second directional wellbore section in the subterranean region. A fracture treatment target region in the subterranean region is analyzed based on the seismic response. A fracture propagation model is assessed based on the analysis of the fracture treatment target region. In some cases, the fracture propagation model is assessed in real time during a fracture treatment.
US10520624B2 Steering for coverage in seismic surveys
A method for steering a marine seismic acquisition system by determining a steering point associated with towed seismic equipment is described. Coverage boundaries for a current line in a seismic survey and for an already acquired adjacent line in the seismic survey are computed. Cross-line distances between the coverage boundary for the current line and the coverage boundary for the adjacent line are computed based on a set of specifications for the seismic survey. A steering point associated with towed seismic equipment is determined based on the computed cross-line distances. A least one steering command for a steering element in the marine seismic acquisition system is generated based on the determined steering point.
US10520619B2 FWI model domain angle stacks with amplitude preservation
A method, including: obtaining a seismic dataset that is separated into subsets according to predetermined subsurface reflection angle ranges; performing, with a computer, an acoustic full wavefield inversion process on each of the subsets, respectively, to invert for density and generate respective density models; generating acoustic impedances for each of the subsets, as a function of reflection angle, using the respective density models; and transforming, using a computer, the acoustic impedances for each of the subsets into reflectivity sections, wherein the transforming includes normalizing the reflectivity sections by their respective bandwidth.
US10520618B2 Poynting vector minimal reflection boundary conditions
A method for exploring for hydrocarbons, including: simulating a seismic waveform, using a computer, wherein computations are performed on a computational grid representing a subsurface region, said computational grid using perfectly matched layer (PML) boundary conditions that use an energy dissipation operator to minimize non-physical wave reflections at grid boundaries; wherein, in the simulation, the PML boundary conditions are defined to reduce computational instabilities at a boundary by steps including, representing direction of energy propagation by a Poynting vector, and dissipating energy, with the dissipation operator, in a direction of energy propagation instead of in a phase velocity direction; and using the simulated waveform in performing full waveform inversion or reverse time migration of seismic data, and using a physical property model from the inversion or a subsurface image from the migration to explore for hydrocarbons.
US10520617B2 Biodegradable ground contact sleeve for a seismic data acquisition node
A biodegradable ground contact sleeve for a seismic data acquisition node includes a ground contact sleeve having a substantially tubular shaped body insertable into the surface of the earth and having an internal opening at one longitudinal end for receiving a seismic data acquisition node and making acoustic coupling thereto. The ground contact sleeve is formed of biodegradable material.
US10520615B1 Fluid resonant seismic surveying
Methods, systems, and devices for the location of oil and gas deposits are disclosed. The technology is based on the recording of natural (i.e. not man-made) oscillations of oil and gas environments under the influence of the energy of resonances of the gravitational tides. The recording is performed by low-frequency geophones (0.1-10 Hz). The resonances are recorded, graphed, and analyzed. The time of the onset of the resonances of 14-day gravitational tides is pre-calculated by adding the tidal waves from the Moon, the Sun, and the stress wave arising in the Earth's lithosphere in connection with the periodic oscillation of the position of the barycenter of the Earth-Moon system. The calculation of the time of the onset allows for the prediction of optimal times for surveying according to the method of the present invention.
US10520613B2 Histogram smoothing in positron emission tomography (PET) energy histograms
A medical nuclear imaging system (10) and method (100) generate smooth energy histograms. Radiation events are detected by a plurality of detectors (14), the radiation events localized to a plurality of pixels of the detectors (14). The energy levels of the detected radiation events are estimated and the estimated energy levels are scaled with scaling parameters that scale the energy centroids of the plurality of pixels to target values differing by offsets around a common target value, the target values differing with spatial location of the plurality of pixels. Target value offsets are removed from the scaled energy levels and the detected radiation events are combined into an energy histogram using the energy levels with the target value offsets removed.
US10520610B2 High-performance composite scintillator
A composite scintillator includes a matrix material and pieces of at least one scintillator material embedded in the matrix material. The scintillator material is (a) inorganic single-crystalline or ceramic, (b) organic plastic, or (c) glassy; and the embedded scintillator material scintillates in response to at least one of gamma-ray and neutron irradiation.
US10520608B2 Method and apparatus for power saving in global navigation satellite system (GNSS) receivers
Methods and apparatus are provided for power saving in GNSS receivers. In one novel aspect, the ME tracking period, the ME interval, and the PE working period, the PE interval are dynamically determined based on the GNSS signal conditions and/or the user requirements. In one embodiment, acceptable provision estimated position fix are used. Estimated position result is generated at each GPS position interval if there is no position result generated by the PE working period. In another embodiment, the ME-tracking and/or the PE-working are adjusted to minimum operation needs by using ME-partial (MEP) and/or PE-partial (PEP). PEP is arranged aligned with MEP. In yet another embodiment, the PE working period is delayed such that the PE working period is aligned with the ME tracking period. The position result is generated based on a last epoch's measurement obtained in the previous ME tracking period.
US10520607B2 Beam tracking method at the time of terminal blocking and terminal including the same
A beam tracking method and a terminal including the same. The terminal may measure power of a signal received from a base station and determine whether there is a behavior change of the terminal. Further, the terminal may determine whether the signal is blocked using the measured power and the behavior change of the terminal and perform the beam tracking through a secondary beam if it is determined that the signal is blocked.
US10520596B2 FM-CW radar and method of generating FM-CW signal
An FM-CW radar includes a high frequency circuit that receives a reflected wave from a target, and a signal processing unit that converts an analog signal generated by the high frequency circuit into a digital signal and detects at least a distance to the target and velocity of the target. The high frequency circuit includes a VCO that receives a modulation voltage from the signal processing unit and generates a frequency-modulated high frequency signal. The signal processing unit includes an LUT that stores default modulation control data. The signal processing unit calculates frequency information from phase information of output of the VCO, and updates the data stored in the LUT with correction data that is generated by using a result of the calculation.
US10520590B2 System and method for ranging a target with a digital-pixel focal plane array
An active receiver having a digital-pixel focal plane array (DFPA) ranges a target when observing return pulses from a pulsed laser beam synced with the receiver. The DFPA establishes a time when the pulsed laser beam contacts a target and the range can then be established because the speed at which the laser beam travels is known. Various basis functions may be implemented with the DFPA data to establish when the laser beam contacts the target. Some exemplary basis functions are binary basis functions, and other exemplary basis functions are Fourier basis functions.
US10520589B2 Multimode ROIC pixel with laser range finding (LRF) capability
A multimode pixel of a pixel array is provided. The multimode pixel includes a photodetector, an image sensing circuit having a first plurality of transistors, and a laser range finding (LRF) circuit having a second plurality of transistors. At least one transistor of the second plurality of transistors, but not all of the second plurality of transistors, is included in the first plurality of transistors. The LRF circuit being configured to perform LRF operations and the image sensing circuit is configured to perform passive imaging operations. The image sensing circuit and the LRF circuit are configured to perform concurrently.
US10520587B2 Method for optimising the detection of marine targets and radar implementing such a method
A detection method for a given mission comprises at least: one phase of analysing the environment using a waveform chosen beforehand, the signals acquired with this waveform being analysed by processing means in order to deduce therefrom environmental characteristics; and one phase of generating an optimal detection wave depending on the environmental characteristics and characteristics of the mission.
US10520581B2 Sensor fusion for autonomous or partially autonomous vehicle control
A variety of methods, controllers and algorithms are described for fusing sensor data obtained from different vehicles for use in the at least partial automatic control of a particular vehicle. The described techniques are well suited for use in conjunction with a variety of different vehicle control applications including platooning, convoying and other connected driving applications including tractor-trailer truck platooning applications.
US10520574B2 Determining diffusion tensors using magnetic resonance tomography scanners
A magnetic resonance tomography scanner is provided for the determination a diffusion tensor of an examination object, and a method is provided for operating the magnetic resonance tomography scanner. The magnetic resonance tomography scanner acquires a volume image of the examination object by imaging magnetic resonance tomography without diffusion encoding. The control system segments the image according to diffusion-relevant symmetry properties and also determines volume elements of a symmetry group. A first and a second component of a diffusion tensor are acquired by the magnetic resonance tomography scanner at different angles and the control unit uses the symmetry property with the acquired components and the volume image to determine a diffusion tensor for the volume elements.
US10520565B2 Coupler for signal transmission
A coupler includes a first and second coupler element, with a respective first and second transmission element. In an embodiment, a first signal contact for connection to a signal conductor is arranged on a first end of the first transmission element; a second signal contact for connection to a signal conductor is arranged on a first end of the second transmission element; the first transmission element forms a plurality of first U-shaped curves between the first end and a second end; and the second transmission element forms a plurality of second U-shaped curves between the first end and a second end. The first transmission element is configured, in operation, to transmit a signal supplied at the first signal contact to the second transmission element via directional coupling and the second transmission element is configured, in operation, to receive and output the signal via the second signal contact.
US10520563B2 Adaptive MR local coil
An adaptive magnetic resonance (MR) local coil includes at least one conductor structure. The at least one conductor structure is electrically conductive. The at least one conductor structure is at least partially ductile and/or pliable.
US10520554B2 Voltage detector circuit
A circuit includes an amplifier having a first power terminal configured to be coupled to a supply voltage and a second power terminal configured to be coupled to a reference potential. The circuit further includes a first impedance element coupled between a first input terminal of the amplifier and a first output terminal of the amplifier. The circuit additionally includes a second impedance element coupled between the first input terminal and the reference potential. The amplifier is configured to output a first voltage at a second output terminal of the amplifier in response to the supply voltage being greater than an output voltage at the first output terminal of the amplifier. The amplifier is further configured to output a second voltage at the second output terminal of the amplifier in response to the supply voltage being less than the output voltage at the first output terminal of the amplifier.
US10520553B2 Methods and system for a battery
Various embodiments of the present technology may include methods and system for a battery. According to various embodiments, the methods and system may operate to establish continuity between the RSOC values that are computed before and after a change in the charge mode of the battery. During a constant voltage charge mode, the methods and apparatus further estimate the RSOC value according to a linear relationship between the charging current and the RSOC.
US10520547B2 Transition scan coverage for cross clock domain logic
In order to increase test coverage of integrated circuits with multiple clock domains, during a capture portion of a scan test, the functional clock signals, associated with a respective one of the clock domains are synchronized to ensure back and forth capture between the faster and slower clock domain. Each of the plurality of clock signals is generated such that an active edge of each faster clock signal occurs one clock period of the faster clock signal before an active edge of each slower clock signal.
US10520544B2 Versatile testing system
A chip package assembly testing system and method for testing a chip package assembly are provided herein. In one example, an IC test system is provide that includes a robot, an input queuing station, an output queuing station, and a test station. The test station includes a first and second test interfaces. The first test interface is configurable to receive and communicatively connect with a first chip package assembly having one arrangement of solder ball connections. The second test interface is configurable to receive and communicatively connect with a second chip package assembly having a different arrangement of solder ball connections. The test station also includes a first test processor configured to test the chip package assembly connected through the first interface utilizing a predetermined first test routine and a second test processor configured to test the chip package assembly connected through the second interface utilizing a predetermined second test routine.
US10520543B2 Test structure and method for judging de-embedding accuracy of RF devices by using an introduced device
The present invention discloses a test structure and a method for judging the de-embedding accuracy of RF devices, which comprises testing the S parameters of a target device test structure, an introduced device test structure and an auxiliary test structure, respectively. Then calculating de-embedding S parameters of the target device test structure and the introduced device test structure according to the above-tested results, respectively. Finally, calculating performance parameters of the target device test structure according to the above-calculated de-embedding S parameters. So, the accuracy of the de-embedding method is determined by comparing the consistency of the performance parameters. The present invention can directly judge the de-embedding accuracy and the applicable frequency range of a given de-embedding method by analyzing the testing data. Further, the using of the parallel test structure and the cascade test structure together can increase the reliability of the judgment results.
US10520541B1 Hybrid electronic tuner
A hybrid RF electronic impedance tuner is made using multiple PIN diodes or MOSFETs mounted in a low loss slabline, between the bottom surface of the center conductor and ground. The diodes and FETs are DC controlled individually and spaced appropriately along the slabline for maximum Gamma and bandwidth. The electronic tuner is combined with a feed forward active loop using an adjustable wave-probe coupler and a fixed coupler or circulator to enhance the reflected signal towards the DUT. As a result, reflection factor up to 1 at DUT reference plane is reached, combined with the high tuning speed of the electronic tuner.
US10520539B2 System for detecting and indicating partial discharges and voltage in high-voltage electric power distribution systems
A system for detecting and indicating partial discharges and voltage. The system allows capturing signals from the electric power system and/or the electrical equipment thereof, and detecting and indicating the presence or absence of partial discharges and voltage, which allows carrying out a quick and simple inspection in order to prevent faults in the distribution elements, preventing risks and performing suitable installation maintenance.
US10520537B2 Portable device with electromagnetic noise measurement for inground transmitter frequency selection
A portable device and associated method are described for use with a system in which a locating signal is transmitted from within the ground during an operational procedure. The locating signal includes a transmission frequency that is selectable from a group of discrete transmission frequencies in a frequency range and the region includes electromagnetic noise that can vary. The portable device includes a receiver having a bandwidth that includes the transmission frequency range and is operable for measuring the electromagnetic noise in the transmission frequency range to establish a frequency content of the electromagnetic noise for use in selecting one of the discrete transmission frequencies that is subsequently transmitted as the locating signal during the operational procedure. The locating signal can be transmitted from a boring tool, a pullback arrangement or an inground cable. A predicted maximum operational depth for a transmitter can be determined prior to the operational procedure.
US10520534B1 Integrated shielding for motor and test antenna de-coupling
A measurement system for measurements of a device under test (DUT) is provided. The measurement system includes a first test antenna configured to send radio frequency (RF) radiation to the DUT and to receive RF radiation sent by the DUT. The system further includes a positioning device, including at least one motor, configured to move the DUT about at least one axis of rotation. The system further includes a geometrical fixture configured to absorb RF radiation and to de-couple or shield the DUT from unintended or spurious RF radiation of one or more of the at least one motor and the first test antenna.
US10520524B1 System and method for distributed airflow sensing
Disclosed herein is a distributed pressure sensor system that quickly detects and counters changes in lift, onset of stall, and flutter. The distributed pressure sensor system may employ a plurality of integrated pressure ports distributed across the span of a wing's leading edge to gather differential pressure measurements. Based on the differential pressure measurements, the distributed pressure sensor system can estimate torque on the fuselage to provide a more efficient estimate for changes in lift, onset of stall, and/or flutter. These estimates may be applied as feedback to the aircraft's control system, thereby eliminating the latency in the existing platform dynamics.
US10520520B2 Transport device with base plate modules
A transport device for a laboratory sample distribution system is presented. The transport device comprises a plurality of actuator modules. Each actuator module comprises a plurality of electro-magnetic actuators. A plurality of base plate modules arranged in a pattern is provided. The base plate modules are coupled to each other and aligned by support elements. The number of base plate modules at least equals the number of actuator modules and each base plate module is configured to support one of the plurality of actuator modules. A laboratory sample distribution system and to a laboratory automation system comprising a laboratory sample distribution system are also presented.
US10520518B2 Specimen analyzer and specimen analysis method
This specimen analyzer includes: an analysis unit which analyzes a specimen collected from a subject; a manual input unit which receives an input of information by manual operation; an information read unit which receives an input of information by reading an information record section provided in a consumable; and a controller which does not permit an input of information on the consumable with the manual input unit, and permits an input of the information on the consumable with the information read unit.
US10520517B2 Disease severity index for assessment of chronic liver disease
A Disease Severity Index (DSI) is provided for assessment of chronic liver disease in a patient using non-invasive liver function test results. A DSI was derived from non-invasive liver function test results based on hepatic blood flow. The DSI is used in methods for prediction of clinical outcomes, prediction of response to antiviral treatment, and assessment of progression of chronic liver diseases. Non-invasive methods to diagnose three distinct categories of patients with Primary Sclerosing Cholangitis (PSC) are provided. The methods can be used to diagnose PSC patients as Slow Progressors, Moderate Progressors and Rapid Progressors.
US10520514B2 Method for monitoring post-translational modification of protein
According to a method for monitoring post-translational modifications of protein is provided, a first microbead by binding a protein antibody to a base bead is provided. A second microbead by binding a target protein having a first post-translational modification or a second post-translational modification, which are inversely proportional to each other, to the protein antibody of the first microbead, is provided. A third microbead by binding the second microbead to a first post-translational modification antibody is provided. A fourth microbead by binding the second microbead to a second post-translational modification antibody is provided. Impedances of the third and fourth microbeads are measured. A ratio of a first difference, between the impedances of the third microbead and a reference impedance, to a second difference, between the impedances of the fourth microbead and the reference impedance, is obtained.
US10520512B2 Method for predicting the risk of a subject for contracting diabetes mellitus and/or metabolic syndrome or for diagnosing metabolic syndrome in a subject
Subject matter of the present invention is a method for predicting the risk of a subject for contracting diabetes mellitus and/or metabolic syndrome or for diagnosing metabolic syndrome in a subject wherein said subject is non-diabetic, comprising the following steps determining the level of pro-neurotensin or fragments thereof of at least 5 amino acids in a bodily fluid obtained from said subject; and correlating said level of pro-neurotensin or fragments thereof with the risk of said subject for contracting diabetes mellitus and/or metabolic syndrome, wherein an elevated level is predictive for an enhanced risk of getting diabetes mellitus and/or metabolic syndrome, or wherein an elevated level correlates to the diagnosis of metabolic syndrome in a subject wherein said subject is non-diabetic.
US10520510B2 Methods for detecting and quantifying non-polar analytes with high sensitivity
The technology of the present application is directed to methods and kits for detecting and quantifying a non-polar analyte in a plant-derived sample. The technology uses a simple extraction, e.g., a liquid-liquid extraction (LLE) or solid-phase extraction (SPE), to enrich a sample for a non-polar analyte of interest and to remove contaminants. After the extraction and clean-up steps, liquid chromatography and mass spectrometry are used to detect the non-polar analyte. In one embodiment, acequinocyl and/or its derivatives is analyzed using liquid chromatography and tandem mass spectrometry (LC-MS/MS) and the improved LC-MS/MS conditions allows detection limits of acequinocyl and/or its derivatives of 50 ppb or less.
US10520506B2 Method for the detection and classification of PRRSV-infections in swine herds and diagnostic antigen compositions for such methods
Method for the detection and classification of PRRSV-infections in swine herds, comprising a) the incubation of tissue samples taken from the animals with at least one antigen capable to bind a neutralizing antibody against the Type I-virus possibly present in the animal and with at least one antigen capable to bind a neutralizing antibody against the Type II-virus possibly present in the animal, b) testing whether a binding of antibodies against the Type I-virus and/or the Type II-virus has taken place and c) determining from the presence of possible epitope-antibody complexes whether an infection of the PRRSV I-Type and/or PRRSV II-Type is present in the herd and diagnostic compositions for such a method.
US10520502B2 Identification of bitter ligands that specifically activate human T2R receptors and related assays for identifying human bitter taste modulators
The present invention relates to the discovery that specific human taste receptors in the T2R taste receptor family respond to particular bitter compounds. Also, the invention relates to the discovery of specific hT2R9 alleles and their disparate activity in functional assays with the same biter ligands. The invention further relates to the use of these T2R receptors in assays for identifying ligands that modulate the activation of these taste receptors by specific bitter ligands and related compounds. These compounds may be used as additives and/or removed from foods, beverages, cosmetics and medicinals in order to modify (block) T2R-associated bitter taste. Also T2R ligands may be used as therapeutics to treat and modulate T2R associated gastrointestinal and metabolic functions as well as treat gastrointestinal and metabolic diseases such as eating disorders, food sensing, fod absorption, obesity, diabetes, Crohn's disease, celiac disease, et al.
US10520501B2 Point of care sensor systems
Provided are point of care sensor systems that include portable readers and disposable cartridges for receiving and analyzing samples. A cartridge may be equipped with one or more sensor channels, each containing one or more sensors. After providing a sample to a cartridge, the cartridge can be inserted into a reader, which can interact with the cartridge to perform on-cartridge sensing and receive signals indicating the presence and/or quantity of one or more targets in the sample. Examples of cartridges can include cardiac panels, sepsis panels and the like. In some embodiments, the same sensor hardware may be configured for multiple measurements of different targets conducted at different time frames. Also provided herein are novel on-cartridge solid and liquid reagent storage and delivery mechanisms.
US10520494B2 Flattop (FLTP) is a novel biomarker for beta cell maturation
The present invention relates to the use of the biomarker Flattop (Fltp) for distinguishing mature β cells from immature progenitor β cells. The present invention further relates to a method for distinguishing a mature β cell from an immature progenitor β cell, the method comprising: determining the presence or absence of the biomarker Flattop (Fltp) in a β cell; wherein the presence of Fltp in the cell indicates that the cell is a mature β cell and wherein the absence of Fltp in the cell indicates that the cell is an immature progenitor β cell. Furthermore, the present invention relates to a method of identifying a compound suitable for differentiating immature progenitor β cells into mature β cells as well as to a method of identifying a compound suitable for preventing the de-differentiating of mature β cells.
US10520489B1 Coagulation test device, system, and method of use
A coagulation test device for measuring clotting time and clot characteristics of a whole blood sample under different hemostatic conditions. Results of the test are used as an aid in management of patients with coagulopathy of unknown etiology in order to help the physician determine appropriate clinical action to arrest bleeding in a patient.
US10520484B2 Aging testing apparatus and use thereof
The embodiments herein relate generally to subterranean formation operations and, more particularly, to enhancing aging testing to characterize settling of particulates in treatment fluids for use in subterranean formation operations. The embodiments use a test cell apparatus comprising a test cell body having an open end for receiving a treatment fluid into an interior of the test cell body, the interior having a floating piston for separating the treatment fluid from a pressurization fluid; a sampling port extending from the open end and having a sample valve for receiving samples of the treatment fluid from the sampling port; a pressure input for pressurizing the interior; and a sealing assembly adapted to be inserted into the test cell body in contact with the interior to fluidly seal the open end and through which the sampling port extends, the sealing assembly comprising a retainable test cell cap.
US10520480B2 Deconvolution method for emissions measurement
Disclosed is a method of correcting a response of an instrument. The method includes determining an inverse convolution function, the inverse convolution function being in the time domain. A response of an instrument to an exhaust sample is recorded as a function of time. The recorded response is then convolved with the inverse convolution function, the result being a convolution corrected instrument response.
US10520478B2 Fluidless column oven for gas chromatography system
A system for performing gas chromatography analyses in accordance with the present disclosure includes an analytical column and a column oven. The analytical column has an inlet portion coupled to an injector for receiving a material sample and an outlet portion coupled to a detector. The analytical column is adapted to direct the material sample from the injector to the detector. The column oven is adapted to heat the analytical column for separating constituent components of the material sample for detection by the detector.
US10520475B2 Fiber acoustic emission sensing apparatus and method for service behavior of hydraulic concrete structure
A fiber acoustic emission sensing apparatus and method including a laying device and an acoustic emission source; the laying device comprises base plate, first side plate and second side plate, the top portion of the first side plate connected with the top portion of the second side plate through an arc-shaped fiber-carrying channel, a main cavity formed by the first side plate and the second side plate; top portions of the first and second side plates respectively hinged with first and second arc-shaped covers, the lower end surface of the first arc-shaped cover fixedly connected with a first arc-shaped pressing body, the lower end surface of the second arc-shaped cover fixedly provided with a second arc-shaped pressing body, a first sensing fiber arranged under the first arc-shaped pressing body, and a second sensing fiber arranged under the second arc-shaped pressing body.
US10520471B2 Modified electrode buffers for stain-free protein detection in electrophoresis
Proteins that are electrophoretically separated in a gel are derivatized to produce fluorescent emissions by incorporating halo-substituted organic compounds into one or both of the electrode buffer solutions at the two ends of the gel. The halo-substituted compounds used are ones that bear an electric charge at the pH of the buffer solutions and gel, and the polarity of the charge on the compounds is such that the compounds migrate from the electrode buffer into the gel under the electrophoretic influence concurrently with the migration of the proteins into the gel. Once the proteins are separated and distributed within the gel and the gel is fully penetrated with the halo-substituted compounds, the gel is irradiated with ultraviolet light to induce a reaction between the halo-substituted compounds and the proteins through the tryptophan residues on the proteins, producing fluorescent reaction products.
US10520465B2 Gas detector utilizing an aqueous solution
A gas detection device including a vessel, wherein the vessel contains an aqueous solution, and a sensing element operably coupled to the vessel, wherein the sensing element is not in direct contact with the aqueous solution.
US10520462B1 Electrochemical screening for the selection of DNA aptamers
An electrochemical screening method for the selection of DNA aptamers against 11-deoxycortisol (11-DCL) using gold electrode for target immobilization is described. The gold electrode is used as solid matrix instead of the beads for SELEX. The selection steps (SELEX) are performed on the 11-DC modified electrode directly as the DNA library in the first round or the enriched DNA pools in the subsequent rounds were incubated on the electrode, then the unbound DNA is washed and the bound DNA is measured directly by square wave voltammetry. Then elution of the bound DNA is performed for further use.
US10520456B2 Combustion experiment device
Provided is a combustion experiment device, which includes a reaction tube into which a sample fluid flows and to which a temperature gradient in which a temperature rises toward a downstream side is imparted, and a burner part that is configured to flow a combustible gas along and around the reaction tube from the downstream side to an upstream side of the reaction tube and to maintain a flame surrounding the reaction tube from the outside in a radial direction of the reaction tube.
US10520444B2 Device for spectroscopic detection and monitoring of biologically relevant molecules
There is a need in the point-of-care diagnostic community for an efficient and portable method for testing blood and other biological fluids that can be easily translated across multiple applications. An aspect of the invention described involves monitoring the optical properties of molecularly-mediated nanoparticle assemblies though an optically transparent and magnetically active microfluidic chip, which has recently emerged as an attractive method for biomarker detection as it is an efficient tool for monitoring the binding events that take place in a sensing assay. In one embodiment, this device is directed towards two-nanoparticle assays that rely on the assembly or disassembly of plasmonic and magnetic nanoparticles in response to a certain analyte. A further embodiment is directed to a spiral microfluidic using inertial forces to filter fluid components by size, connected to a magnetically active channel comprised of a nickel micropad array, optically transparent microchannel, and permanent magnets.
US10520441B2 Devices to detect a substance and methods of producing such a device
Devices to detect a substance and methods of producing such a device are disclosed. An example device to detect a substance includes a housing defining a first chamber and a substrate coupled to the housing. The substrate includes nanostructures positioned within the first chamber. The nanostructures are to react to the substance when exposed thereto. The device includes a first heater positioned within the first chamber. The heater is to heat at least a portion of the substance to ready the device for analysis.
US10520439B2 System and method for drug detection in exhaled breath
A portable system (10) is disclosed for collecting a sample from exhaled breath of a subject. Drug substance in the exhaled breath are detected or determined. The sample is collected for further analysis using mass-spectroscopy. The system comprises a sampling unit (14) and a housing (12) arranged to hold the sampling unit (14), the sampling unit (14) is adapted to collect non-volatile and volatile compounds of the at least one drug substance from the exhaled breath from the subject. The housing (12) has at least one inlet (15) for the subject to exhale into the housing (12) to the sampling unit (14) and at least one outlet (16) for the exhaled breath to exit through.
US10520437B1 High sensitivity sensor utilizing ultra-fast laser pulse excitation and time delayed detector
A system for imaging a biological target includes a light excitation source providing an excitation laser pulse. The system also includes an objective lens that receives reflections of the excitation laser pulse. The system further includes a reimaging optical lens that generates an image of an entrance pupil of the objective lens. The system includes a time-delayed detector that detects the image of the entrance pupil.
US10520429B2 Image processing device, image processing method and image processing program
An image processing device performing image processing on images obtained by shooting an object to be monitored at a plurality of time points. The image processing device includes a hardware processor that performs a process of removing, from image data indicating the images, second frequency component data that is lower in frequency than first frequency component data indicating a luminance of the object to be monitored, the second frequency component data indicating a background luminance change of the object to be monitored.
US10520423B2 Modular sand and dust environmental testing system
A portable environmental testing system for environmental testing with particulate matter, such as sand and dust, is disclosed. The components of the system are largely contained within a modular container, such as an intermodal shipping container. The testing system uses a feeder to feed precise amounts of particulate matter into an injector, which injects the particulate matter into an airflow that leads to a nozzle assembly. The airflow itself is generated by a compressed air system. The material input station, for inputting particulate matter, includes operator protection features, like a negative draw fan. The system may be provided with wheels and a tow bar.
US10520421B2 Optical detector for a particle sorting system
An optical system for acquiring fast spectra from spatially channel arrays includes a light source for producing a light beam that passes through the microfluidic chip or the channel to be monitored, one or more lenses or optical fibers for capturing the light from the light source after interaction with the particles or chemicals in the microfluidic channels, and one or more detectors. The detectors, which may include light amplifying elements, detect each light signal and transducer the light signal into an electronic signal. The electronic signals, each representing the intensity of an optical signal, pass from each detector to an electronic data acquisition system for analysis. The light amplifying element or elements may comprise an array of phototubes, a multianode phototube, or a multichannel plate based image intensifier coupled to an array of photodiode detectors.
US10520420B2 Flow cytometer signal peak identification employing dynamic thresholding
Methods of evaluating particle attributes in a sample fluid subjected to flow cytometry investigation in a flow cytometer instrument, methods of processing time series signal data traces output by a flow cytometer instrument, and a flow cytometer system are provided. In the methods and systems, data points comprising time series signal data traces corresponding with detection during the flow cytometry investigation of light from the sample fluid in one or more wavelength ranges indicative of the presence of one or more particle attributes in the sample fluid are batch-processed using a batch-specific signal peak threshold determined as a function of a batch-specific noise characteristic to identify signal peaks in the batch of data points indicative of the presence of the one or more particle attributes in the sample fluid.
US10520414B2 Condensation particle counter false count performance
Various embodiments include methods of reducing false-particle counts in a water-based condensation particle counter (CPC). One embodiment of a method includes delivering water into one or more wicks, sensing an excess volume of water delivered to the wicks, collecting the excess volume of water into a collection reservoir, and draining the excess volume of water from the collection reservoir. Other methods and apparatuses are disclosed.
US10520411B2 Method and system for determining dissolution properties of matter
The invention concerns a method and system for determining dissolution properties of a particle. The method comprises providing into a vessel dissolution medium capable of dissolving the particle and providing the particle into said vessel in contact with the dissolution medium for dissolving the particle. According to the invention, the particle is trapped in a particle trapping zone formed at a predetermined location in the vessel, the particle trapping zone being formed preferably at least partially by continuous hydrodynamic motion of the dissolution medium. Residue of the particle is imaged while being trapped in said particle trapping zone for providing a plurality of sequential images of the particle residue. Finally, at least one dissolution property of the particle is determined based on the sequential images. The invention allows for dissolution rate, intrinsic dissolution rate and/or solubility of matter to be reliably determined from very small sample amounts and without manual affixation of samples.
US10520406B2 Tensile specimen, method for producing a tensile specimen, device for carrying out a tensile test, and method for carrying out a tensile test
A tensile specimen, in particular a fiber-composite-material tensile specimen, includes a test portion which comprises a fiber material and a tensile stress direction which is predetermined for a material test, and a force-introduction portion, wherein the fiber material in the force-introduction portion extends at least in part along a face which is oriented obliquely to the tensile stress direction.
US10520403B2 Apparatuses for heating microscope slides carrying specimens
A slide processing apparatus controls the temperature and orientation of a microscope slide carrying one or more specimens. The apparatus heats the specimen-bearing microscope slide while the slide is oriented to both facilitate adhesion between the specimens and the slide and control movement of the specimens relative to the microscope slide. A slide dryer of the apparatus conductively heats the specimens using a conductive slide heater that physically engages the microscope slide.
US10520402B2 Sample collecting and introducing device and detection system
The present disclosure relates to the technical field of safety detection, and in particular to a sample collecting and introducing device and a detection system. The sample collecting and introducing device provided by the present disclosure includes a sampling device for collecting a sample, and a semipermeable membrane device for extracting the sample collected by the sampling device and conveying the extracted sample to detection equipment, wherein the sampling device is provided with an air guide cavity, the air guide cavity is configured to guide airflow carrying the sample to flow to the semipermeable membrane device, the semipermeable membrane device is provided with a semipermeable membrane which is arranged outside the sampling device. In the present disclosure, the size of the semipermeable membrane is no longer limited by the sampling device, and therefore the difficulty of increasing the area of the semipermeable membrane is reduced.
US10520401B2 Exhaust gas measurement system and exhaust gas measurement method
In order to secure the dilution ratio accuracy of diluted exhaust gas while making it possible to accurately measure the mass of PM, an exhaust gas measurement system that has a diluted exhaust gas flow path through which the diluted exhaust gas produced by diluting exhaust gas flows and collects particulate matter in the diluted exhaust gas by a filter provided in the diluted exhaust gas flow path for measurement is adapted to include a bypass flow path that branches from the upstream side of the filter in the diluted exhaust gas flow path and merges with the downstream side of the filter; and a separation flow rate control part that while flowing the diluted exhaust gas through the filter, controls the separation flow rate of the diluted exhaust gas flowing through the bypass flow path.
US10520400B1 Stream sampler—mass reduction system for flowing powders
A device for obtaining samples from a flowing powder stream and performing their immediate analysis using a spectroscopic method is provided. Systematic sample size reduction is achieved to provide representative samples and their immediate (real-time) analysis. The powder blends may come from pharmaceutical, vitamin and nutraceutical products, which must fulfill blend homogeneity requirements. All parts of the batch will have the same probability of being selected as a sample. Samples are obtained without disturbing or changing the composition of the powder blend during the sampling process. Unlike the sample thief commonly used in the pharmaceutical industry, the device of the invention does not disturb the powder blend and does not change the properties of the powder blend during the sampling.
US10520399B2 Liquid sampling
The invention provides a liquid sampler for the automated sampling of liquids at dedicated pre-determined intervals. The liquid sampler includes a liquid inlet connectable to a liquid circuit containing a liquid to be sampled, a sampling reservoir for collecting a liquid sample, and a sampling pump connected to the liquid inlet, operable to extract a discrete amount of liquid from the liquid inlet and to discharge the discrete amount of liquid into the sampling reservoir.
US10520397B2 Methods and apparatuses for defect diagnosis in a mechanical system
Multiple methods and corresponding apparatuses for efficient and reliable defect diagnosis in components of mechanical systems, are described. According to one aspect, multi-scale enveloping-order spectrogram is used to diagnose, or detect, defects in a moving component of a mechanical system. According to another aspect, defect identification and diagnosis in a motor is performed based on spectral characteristics of motor current envelope. According to yet another aspect, a logic rule model, employing classification of features associated with single- or multi-sensor data, is employed for diagnosis of defects in components of mechanical systems.
US10520395B2 Test stands for electric motor to be connected to front end accessory drive of internal combustion engine
A dynamometer system includes a prime mover dynamometer and a gearbox. The prime mover dynamometer includes a primary output configured to be coupled to a drivetrain that represents a portion of a vehicle powertrain, a secondary output having a fixed speed relationship with the primary output, and a controller. The gearbox is coupled to the secondary output and configured to be coupled to an electric motor. The controller alters a speed and torque of the outputs based on a calculated speed and torque associated with a simulated internal combustion engine that represents another portion of the vehicle powertrain to impart speed oscillations into the electric motor and to impart torque oscillations into the drivetrain.
US10520390B2 Measuring individual data of spectacles
An apparatus and a method for measuring individual data of spectacles arranged in a measurement position are disclosed. The spectacles have a left and/or a right spectacle lens. The apparatus has a display for displaying a test structure. The apparatus contains an image capture device for capturing the test structure with an imaging beam path which passing through the left spectacle lens and/or the right spectacle lens of the spectacles. Further, the apparatus includes a computer unit with a computer program for determining a refractive power distribution for at least a section of the left spectacle lens and/or the right spectacle lens from the image of the test structure captured by the image capture device and a known spatial orientation of the display relative to the image capture device. To measure individual data of spectacles, the spectacles are arranged in a measurement position.
US10520389B2 Aerodynamic modeling using flight data
Systems and methods are described for development of a nonlinear global aerodynamic model using fuzzy logic modeling as well as multivariate orthogonal function modeling with splines. The systems and methods described herein may be utilized to more quickly develop a global aerodynamic model of an aircraft, allowing for development of a global aerodynamic model of an aircraft in real-time, during a test flight, and reducing time and cost associated with the model development.
US10520387B2 Gas leakage treatment method and aerial vehicle
A gas leakage treatment method includes detecting a target gas concentration of a target gas in an environment at a corresponding position of a gas delivery pipeline in a process of moving along the gas delivery pipeline. The method further includes, if the target gas concentration is greater than a preset concentration threshold, determining that gas leakage occurs and performing a gas leakage treatment operation.
US10520382B2 Pressure sensor module with spring-loaded electrical contact pins
An apparatus for measuring a hydraulic pressure of a hydraulic component, comprising a pressure sensor module and a mounting plate, that is either an outer contour of the hydraulic component or is connectable with the hydraulic component in a substance-to-substance, form-locking and/or force-locking manner, wherein the pressure sensor module comprises a housing, at least one pressure sensor for determining the pressure of a fluid, at least one fluid connector for hydraulic connection of the hydraulic component, at least one electrical connector comprising a conductive mating surface; the mounting plate has a basic area and at least one electrical connecting pin, whereby the connecting pin spring loaded and is essentially perpendicular to the basic area of the mounting plate, the first end of the connecting pin is oriented towards the basic area, the second end of the connecting pin is oriented away from the basic area, and the second end of the connecting pin is pressed, by means of an elastic element, away from the basic area and towards the electrical connector when the mounting plate and the pressure sensor module are assembled and the pressure sensor module and/or the mounting plate have at least one guiding element. The pressure sensor, the fluid connector and the electrical connector are arranged within the housing, the mounting plate is connectable with the pressure sensor module in a force-locking manner and when the mounting plate and the pressure sensor module are assembled, the electrical connecting pin is connected with the electrical connector via its second end.
US10520380B2 Small six-dimensional force and torque sensor
A small six-dimensional force and torque sensor, includes a cylindrical housing, a base disposed on the inner wall of the cylindrical housing, eight first elastic beams of the same size and structure for connecting the base, a central boss disposed at the center of the cylindrical housing, four second elastic beams of the same size and structure for connecting the central boss with the first elastic beams. The four second elastic beams are arranged in a cross shape. The eight first elastic beams and the four second elastic beams are respectively attached with a plurality of strain gauges, thus forming full bridge circuits. The sensor is simple in structure, small in size, can realize self-decoupling of the structure in six directions, and is suitable to be used in combination with current industrial systems.
US10520379B2 Wall shear sensors with multiple independent flexures and measurement systems including the wall shear sensors
A wall shear sensor includes a floating element fixedly attached to a base. The floating element has a sensing head opposite the base, a first flexure between the sensing head and the base, and a second flexure between the first flexure and the base. The wall shear sensor further includes at least one strain gauge coupled to the first flexure to measure a first directional component of wall shear stresses applied across a head surface of the sensing head; and at least one strain gauge coupled to the second flexure to measure a second directional component of wall shear stresses applied across the floating element surface of the sensing head, the second component being different from the first component. The wall shear sensors thus measure both magnitude and direction of wall shear. Wall shear measurement systems include at least one wall shear sensor within a sensor housing.
US10520377B2 Wall shear sensors with multiple bending beam flexure and measurement systems including the wall shear sensors
A wall shear sensor includes a floating element fixedly attached to a base. The floating element has a sensing head opposite the base, and a split-beam flexure between the sensing head and the base. The wall shear sensor further includes at least one strain gauge coupled to the split-beam flexure, which measures strain imposed on walls of the split-beam flexure when a wall shear is applied across a head surface of the sensing head. The split-beam flexure has at least one channel defined through the split-beam flexure perpendicular to a first transverse axis of the floating element. The floating element sways parallel to the first transverse axis of the floating element when the wall shear is applied. Wall shear measurement systems include a test body, a sensor housing mounted to the test body, and a wall shear sensor in the sensor housing.
US10520376B2 Load cell having a computation unit which computes displacement amount of the diffraction grating
In one aspect, a load cell includes an elastic body, first optical unit, second optical unit, detector, and computation unit. The first optical unit has a light source, a first diffraction grating on which light from the light source is incident, and a light-receiving unit. The first optical unit is fixed to a first end portion of the elastic body and arranged within a hollow portion of the elastic body. The second optical unit has a second diffraction grating on which diffracted light from the first diffraction grating is incident to generate interference light. The second optical unit is fixed to a second end portion of the elastic body and arranged within the hollow portion. The detector detects the interference light. The computation unit computes a relative displacement amount of the second diffraction grating relative to the first diffraction grating on the basis of a signal obtained by the detector.
US10520374B1 Phonon effect based nanoscale temperature measurement
In some embodiments, phonon based temperature measuring apparatuses include a light source positioned to direct a light toward a prism-resonant cavity interface of an optical resonant cavity inducing an evanescent wave that is guided into the resonant cavity having surface phonon polariton properties; a detector positioned proximate the resonant cavity and configured to detect reflected light from the prism-resonant cavity interface; and a temperature calculator coupled with the detector and configured to determine evanescent light coupling to one or more phonon polariton modes from the resonant cavity, calculate a quality factor as a function of a frequency spectrum of at least one of the one or more phonon polariton modes, and determine a temperature of a dielectric material within the resonant cavity as a function of the quality factor.
US10520365B2 Detector for terahertz electromagnetic waves
A detector for terahertz electromagnetic waves includes a terahertz optomechanical transducer to transform an incident electromagnetic wave, having a terahertz frequency within a terahertz frequency band, into a measurable mechanical response; and a detection device for detecting an output signal. The terahertz optomechanical transducer includes a first element and an opposite element forming with the first element a capacitive gap.
US10520363B2 Raman detecting chip for thin layer chromatography and method for separating and detecting an analyte
A Raman detecting chip for thin layer chromatography and a method for separating and detecting an analyte are provided. The Raman detecting chip for thin layer chromatography includes a silicon substrate. The silicon substrate includes a first portion, a second portion and a plurality of silicon nanowires disposed on the first portion, wherein each silicon nanowire has a top surface and a sidewall. A metal layer covers the top surface and at least a part of the sidewall of the silicon nanowire, wherein the silicon nanowire has a length L from 5 μm to 15 μm. The ratio between the length L1 of the side wall covered by the metal layer and the length L of the silicon nanowire is from 0.2 to 0.8.
US10520362B2 Spectroscopic measurement device and spectrometry system
A spectroscopic measurement device emits light to a measurement target and measures the measurement light output from the measurement target in accordance with the light emission. A spectroscopic measurement device includes: a first housing having a light shielding property and configured to house a light source that emits light and having a first opening through which the light emitted from the light source passes; a second housing having a light shielding property and having a second opening through which the measurement light passes and configured to house a spectrometer that receives the measurement light that has passed through the second opening; and a junction configured to join the first housing and the second housing such that relative positions of the first housing and the second housing can be changed.
US10520357B2 Arc light sensor and arc light detection method
In an embodiment, an arc light sensor includes: a first polarizer, a second polarizer, a magneto-optical material, a first light filter and a processing unit. The first polarizer is used for polarizing incident first target light, to form first polarized light in a first polarization direction. The second polarizer is used for polarizing incident second target light, to form second polarized light in the first polarization direction. The magneto-optical material, in a current magnetic field, uses the current magnetic field to rotate a polarization direction of the first polarized light, to form third polarized light. The first light filter is used for filtering the third polarized light, to form fourth polarized light capable of passing in a second polarization direction. The processing unit is used for determining whether the second target light is arc light according to intensity of the second polarized light and intensity of the fourth polarized light.
US10520354B2 Apparatus and method for diagnosing rotor shaft
An apparatus and method for diagnosing rotor shaft are disclosed herein. The apparatus for diagnosing a rotor shaft that is installed in a bearing so that the rotor shaft is rotated around an axis of rotation includes a measurement unit, a calculation unit, an image generation unit, and a diagnosis unit. The measurement unit measures first vibration signals at two points of the rotor shaft located on a surface perpendicular to the axis of rotation. The calculation unit generates second vibration signals, which are vibration signals at points located in a plane identical to the plane of the two points of the rotor shaft at which the first vibration signals are measured, based on the first vibration signals. The image generation unit generates an image based on the second vibration signals. The diagnosis unit diagnoses the rotor shaft based on the generated image.
US10520349B2 Circuit for simulating a capacitance fuel probe
A circuit for simulating a capacitance fuel probe, the circuit comprising: an input for receiving an alternating current (AC) excitation signal; an output for outputting an output signal representing a capacitance of the simulated fuel probe; a single reference capacitance; a first amplifier connected to the reference capacitance, the first amplifier being configured to cause a current flow through the reference capacitance; a second, variable gain, amplifier, the second, variable gain amplifier being configured to output an AC signal representing a multiple of the current flow through the reference capacitance, wherein the AC signal output by the second amplifier is used to generate the output signal.
US10520348B2 Apparatus for food preparation
An apparatus and method are described for conveniently food preparation. The food preparation apparatus may sit directly over a bowl. The apparatus may comprise, amongst other things, a waste receptacle and a measuring tray.
US10520341B2 Instrument for measuring air speed by means of parabolic movement and measuring method
The invention relates to an instrument for measuring air speed by means of parabolic movement and to a measuring method, wherein the measuring instrument is formed by a cubic structure (1) that holds a screwable, flexible container (2) which releases—where air speed needs to be measured—a drop of liquid, the drop falling on one of the concentric circles located on an interchangeable plate (3) that is positioned on a flat base (4) of the device and perpendicular to the axial end of the outlet for the drop of liquid. Depending—on the height—the movement with which the drop falls, the air speed can be determined by means of the horizontal range of the parabolic movement followed by the drop of liquid, and evaluated using the distance between the point of impact of the drop on the surface with respect to the center. The direction of the air speed can also be determined from angle formed by the projection of the vertical plane above which projection the air moves in relation to the x-axis of the x-y plane located above the interchangeable plate (3).
US10520337B2 Sensor controller, sensor signal receiver, incremental magnetic speed sensor module, method for a sensor controller, method for a sensor signal receiver and computer program
A sensor controller for a sensor module includes at least one interface to obtain sensor information from the sensor module and to communicate with a sensor signal receiver. The sensor controller includes a control module to control the at least one interface. The control module is configured to obtain the sensor information from the sensor module; generate a sensor signal based on the sensor information; and transmit the sensor signal. The control module is further configured to detect a fault state of the sensor module; transmit a fault indicator if the fault state indicates a failure of at least a part of the sensor module; and receive a control signal from the sensor signal receiver based on the fault indicator. The control signal includes at least one fault handling instruction. The control module is configured to execute the at least one fault handling instruction.
US10520333B2 Self-powering smart water meter system and method
A fluid fluid or water meter system includes a fluid supply and a receiving center. 20, 30 connected via a supply line 21. Further, a fluid metering member 40 is coupled to the supply line 21, and includes a fluid regulating member 41 to regulate the fluid therethrough, and a data transceiver 42, coupled to the fluid regulating member 41 to regulate the supply of fluid. A self-power generating source is also provided for the continuous charging of the fluid metering member. Various self-generating sources, such as, a thermoelectric generator, a water battery, a power turbine, and radio spectrum may be used for said purpose. The system can be provided with rechargeable battery for charging the battery and storing power. Moreover, a network operation center 60 is further developed to include information technology and information technology. 40. Further in an optional embodiment, including the smart system, including an Artificial Neural Network (ANN) module 2030 for self-training. The self-taught smart system identifies individual events (eg, flushing, showering, washing machine cycles, etc.), and limiting the flow of the total volume.
US10520331B2 Calibration system and method for whole angle gyroscope
According to one aspect, embodiments herein provide a whole angle gyroscope comprising a central point, at least one mass arranged symmetrically about the central point, a plurality of transducers, each configured to perform at least one of driving and sensing motion of the at least one mass, and a processor coupled to the plurality of transducers, the processor configured to operate the plurality of transducers to drive the at least one mass in at least a first vibratory mode and a second vibratory mode, identify a rate dead zone of the whole angle gyroscope, and operate the plurality of transducers to apply a force to the at least one mass to reduce the identified rate dead zone of the whole angle gyroscope.
US10520330B2 Estimation of direction of motion of users on mobile devices
A mobile device and a method for estimation of direction of motion of a user are described. The mobile device comprises an inertial sensor to capture acceleration signals based on motion of the user and a direction estimation module. The direction estimation module determines direction of gravity based on filtering acceleration values obtained from captured the acceleration signals using a low-pass filter to identify a plane orthogonal to the direction of gravity. The plane orthogonal to the gravity comprises two orthogonal axes orthogonal to the direction of gravity. Further, displacement values are evaluated based on a user input for placement of the mobile device with respect to user's body, and integration of the acceleration values across the two orthogonal axes with respect to time. A direction of motion of the user is estimated based on a ratio of the displacement values along the two orthogonal axes.
US10520329B2 Method for providing parking location information of vehicle and electronic device thereof
A method for operating of an electronic device includes detecting when a vehicle enters a parking lot and obtaining image information when the vehicle is detected. The method also includes generating image information of an object including information indicating a parking section based on the obtained image information and identifying information related to a parking location of the vehicle based on the image information of the object. The information related to the parking location of the vehicle is outputted. The electronic device provides a parking location of the vehicle without a device pre-installed in a parking lot.
US10520328B2 System for customized games and routes (tours) for cultural and natural heritage
The present invention provides a method and a system of providing information and navigation to a visitor at an indoor or outdoor cultural and/or natural attraction or a site. The information is provided with respect to objects and materials or the like on the site based on the visitors' needs, wants, interests, and backgrounds depending on his/her selection criteria and location in order to foster and enhance learning and real-time occupancy data and carrying capacities of each location to improve visitor experience and manage crowd on the site. Accordingly, the present invention comprises two subsystems for education and navigation for cultural and/or natural heritage attractions or sites to enrich visitor experience and make the best of their time. The system is implemented with a host computer, a server, and a mobile computing device connected by a cloud networking, used by an administrator and a visitor, the visitor playing a question and answer game or following a chosen route.
US10520319B2 Data driven map updating system for autonomous driving vehicles
An analysis is performed on driving statistics of a variety of vehicles driven by a variety of drivers on a lane of a road section at different points in time. Based on the analysis of the driving statistics, a first drivable area of the lane of the road section is determined. The first drivable area is compared with a second drivable area associated with the lane of the road section to determine whether the first drivable area is different than the second drivable area. The second drivable area is determined based on map data of a map. In response to determining that the first drivable area is different than the second drivable area, the map is updated based on the difference of the first drivable area and the second drivable area. The updated map can be utilized subsequently to plan a path to drive an autonomous driving vehicle.
US10520317B2 In-situ wheel position measurement using inertial measurement units (IMUs)
Disclosed herein are systems and methods for the in-situ determination of vehicle wheel position using an inertial measurement unit (IMU). In one aspect as the wheel is rotating, gyroscope measurements are used to find a slip angle defined between the direction of wheel travel and the direction of vehicle travel, to determine a toe alignment condition for the wheel. System and methods are also presented for using an accelerometer to measure slip angle and camber angle. Using an accelerometer or gyroscope, instantaneous wheel angle measurements can also be made to predict vehicle movement, and aid in autonomous steering and in-situ wheel alignment adjustments.
US10520316B2 Circuit for physical quantity detection device, physical quantity detection device, electronic apparatus, and moving object
A circuit for a physical quantity detection device includes a drive unit that generates a drive signal that causes an vibrator to vibrate, a detection unit that detects a detection signal outputted from the vibrator based on the drive signal, a passive filter which has a filter characteristic in which a cutoff frequency is lower than a detuning frequency and a cutoff frequency band contains a frequency band higher than the cutoff frequency and to which a signal from the detection unit is inputted, and an amplification unit that amplifies a signal from the passive filter.
US10520312B2 Physical quantity detecting vibration element, physical quantity sensor, electronic apparatus, and moving object
A vibration element includes a detection signal electrode provided in a detection vibrating arm, a detection signal terminal which is provided in a support portion and electrically connected to the detection signal electrode, and a detection ground terminal provided in the support portion, and the detection ground terminal is disposed between a first connection portion which is a connection portion with a beam portion of the support portion and a second connection portion which is a connection portion with a beam portion, and is provided to extend to the outside of the first connection portion, and the detection signal terminal is provided between the detection ground terminal and an end portion of the support portion.
US10520311B2 Gyro sensor apparatus
A gyro sensor apparatus includes a driving section that supplies a driving signal, which is for vibrating a sensing element of a vibration-type gyro sensor in a drive axis direction, to the sensing element, and a processing unit that receives a first vibration signal having an amplitude proportional to a driving vibration amplitude, which is an amplitude of vibration in the drive axis direction of the sensing element and a second vibration signal having an amplitude proportional to Coriolis force generated in the sensing element due to an angular velocity of the sensing element. The processing unit is configured to calculate a ratio of Coriolis force to the driving vibration amplitude based on the first vibration signal and the second vibration signal and output a result of the calculation as a result of detection of the angular velocity of the sensing element.
US10520310B2 Surface surveying device for determining 3D coordinates of a surface
Some embodiments include a surface surveying device, in particular profiler or 3D scanner, for determining a multiplicity of 3D coordinates of measurement points on a surface, comprising a scanning unit and means for determining a position and orientation of the scanning unit, a carrier for carrying the scanning unit and at least part of the means for determining a position and orientation, and a control and evaluation unit with a surface surveying functionality. The carrier is embodied as an unmanned aerial vehicle which is capable of hovering and comprises a lead, the latter being connected at one end thereof to the aerial vehicle and able to be held at the other end by a user, wherein the lead is provided for guiding the aerial vehicle in the air by the user and the position of the aerial vehicle in the air is predetermined by the effective length of the lead.
US10520309B2 Object recognition device, object recognition method, equipment control system, and distance image generation device
According to one aspect of the present invention, an object recognition device for performing recognition processing on a distance image to recognize an object includes a determination unit, a changing unit, and a recognition processor. The determination unit is configured to determine a valid distance pixel forming the distance image and an invalid distance pixel not forming the distance image, based on a feature value of each pixel in a captured image. The changing unit is configured to change the invalid distance pixel near the valid distance pixel to a valid distance pixel. The recognition processor is configured to perform recognition processing on the distance image formed by the valid distance pixel determined by the determination unit and the valid distance pixel obtained by the changing unit to recognize the object.
US10520308B2 Level with metal frame supporting protective outer body
A tool, such as a level, including one or more polymer/plastic body segment, protective cover and/or seal is provided. The covers discussed herein may limit or prevent dirt or construction materials, such as concrete, from entering into the level body. The cover may also be a non-stick material, such as a polymer outer sleeve, that limits the ability of dirt and construction material to adhere to the level. The level may also include scratch resistant vial windows.
US10520306B2 Observation device with a distance meter
The invention relates to a binocular observation device, in particular a field glass, with two visual optical paths and with a laser distance meter with a laser transmitter and a laser receiver and with an opto-electronic display element. A part of an optical path of the laser transmitter is integrated in a first visual optical path and a part of an optical path of the laser receiver is also integrated in the first visual optical path.
US10520304B2 Contactless distance sensor and method for carrying out a contactless distance measurement
The present invention relates to a distance sensor suitable for calculating a processed distance of a target object without contact, including: a contactless measuring circuit suitable for emitting an output signal proportional to the distance of said target object for a plurality of time intervals, so as to obtain a plurality of measurements of the distance of said target object without contact; a first processor circuit suitable for processing said output signals coming from said measuring circuit, so as to calculate a first average distance from said target object based on the average of N distance measurements in output coming from said measuring circuit, said N measurements being consecutive in time and including the last distance measurement emitted by said measuring circuit; a second processor circuit suitable for processing said output signals coming from said measuring circuit, so as to calculate a second average distance from said target object based on the average of M distance measurements in output coming from said measuring circuit, said M measurements being a subset of said N measurements with M
US10520303B2 Method for validating measurement data
A method includes receiving, into a measurement tool, a substrate having a material feature, wherein the material feature is formed on the substrate according to a design feature. The method further includes applying a source signal on the material feature, collecting a response signal from the material feature by using a detector in the measurement tool to obtain measurement data, and with a computer connected to the measurement tool, calculating a simulated response signal from the design feature. The method further includes, with the computer, in response to determining that a difference between the collected response signal and the simulated response signal exceeds a predetermined value, causing the measurement tool to re-measure the material feature.
US10520301B1 Method for measuring Z height values of a workpiece surface with a machine vision inspection system
A method for measuring Z height values of a workpiece surface with a machine vision inspection system comprises illuminating a workpiece surface with structured light, collecting at least two stacks of images of the workpiece, each stack including a different X-Y position between the structured light and the workpiece surface at a corresponding Z height in each of the stacks, and determining Z values based on sets of intensity values of a pixel corresponding to the same workpiece position in the X-Y plane which are at the same Z heights. The X-Y position is changed at a slower rate than the Z height in each stack of images, and is changed either continuously during each of the at least two stacks at a slower rate than the Z shift, or fixed to a different value during each of the at least two stacks.
US10520298B2 Structural damage detection
Disclosed is a method of assessing a structural defect presence in a structure, the method comprising the steps of: determining at least one critical damage strain value of the structure, capturing a first image of a surface of the structure under a first loading condition; capturing a second image of the surface of the structure under a second loading condition; assigning a position matrix on the captured first image; obtaining a deformation matrix comprising a deformation value at each position of the position matrix by using an image correlation technique on the first and second images, and by comparing deformation of corresponding parts of the surface captured therein; calculating a strain matrix using the obtained deformation matrix; and determining a micro-crack to be present at a position if an element of the strain matrix representing the strain at the position is greater than or equal to a predetermined critical damage strain value, wherein the critical damage strain value is a strain value at which a micro-crack is detected or predicted to appear and/or propagate.
US10520294B1 Ammunition packaging
An ammunition package includes a three panel single piece tri-fold container which folds from an open configuration to a closed configuration via hinges provided for the purpose. The ammunition package further includes a cartridge stabilization plate. Ammunition cartridges stored within the container lie flat, e.g. roughly parallel with respect to the base or bottom of the package. Converting between the open configuration and the closed configuration takes place by folding or unfolding the left and right panels at the hinges with respect to the center panel.
US10520293B2 Tool for attaching and/or detaching medium-caliber ammunition within a linked chain
A system for attaching and/or detaching ammunition having the form of a linked chain or strip includes a chain of ammunition having a head, a case, and a base that are essentially cylindrical, successively attached to one another by links, each link including a first part and a second part, articulated and offset relative to one another, the second part including a loop or ansa that is central relative to a height of the link, defining an approximately semi-cylindrical opening, dimensioned to be adjusted on the case of a cartridge of a given caliber, the first part including two loops of this type but situated, in terms of height, respectively on either side of the central loop, at least the central loop including, at its free ends, a small loop oriented in a direction opposite that of a main loop, so as to define a flare.
US10520291B1 Methods for extended-range, enhanced-precision gun-fired rounds using g-hardened flow control systems
Methods involve using a guided munition (e.g., a mortar round or a grenade) that utilizes deployable flow effectors, activatable flow effectors and/or active flow control devices to extend the range and enhance the precision of traditional unguided munitions without increasing the charge needed for launch. Sensors such as accelerometers, magnetometers, IR sensors, rate gyros, and motor controller sensors feed signals into a controller which then actuates or deploys the flow effectors/flow control devices to achieve the enhanced characteristics.
US10520287B2 Pyrotechnical igniter
An electro-pyrotechnical igniter includes a metal case, a cap and a plastic overmolding. The metal case contains pyrotechnical material and includes at least one vent on a side wall thereof. The cap is made from electrically insulating material and covers the metal case at least at the at least one vent. The plastic overmolding covers at least one end of the cap. The metal case includes at least one shoulder arranged between the side vent and a zone of the metal case across from the end of the cap covered by the overmolding.
US10520285B2 Frameless bullet trap
The invention relates to a slat arrangement for redirecting the trajectory of a bullet. The slat arrangement has a plurality of elongated steel slats, and each elongated steel slat has a longitudinal front edge and a longitudinal back edge stretching between a first end and a second end. The slat arrangement also has a support structure for supporting the plurality of steel slats. The steel slats are positioned in a louver-like fashion for changing the direction of a bullet following a trajectory along the normal of the slat arrangement. The support structure is connected to each steel slat at the back edge of the steel slat and between the first end and the second end of the steel slat.
US10520284B2 Barrel for target launching machine with retractable rod for the positioning of at least one column of targets
A barrel intended to be mounted with the ability to rotate about a median axis of rotation on a target launching machine, said barrel comprising at least one column for the storage of targets in a stack, said at least one storage column being positioned at least partially by a rod extending parallel to the storage column, characterized in that the rod comprises a first portion that is stationary relative to the barrel and a second portion that is configured to be able to move at least translationally along a longitudinal axis of the rod between a position deployed along the storage column and an at least partially retracted position.
US10520283B2 Range target for rifle, pistol and shotgun applications
Honeycomb reusable rifle, pistol and shotgun target consists of a composite of three distinct materials for shooter convenience.A structural honeycomb kraft cardboard target provides a strong base support with a permanent stick adhesive backer for ease of target field use.Four sided die cut honeycomb perimeter boundary provides ample fastening surface for pin, staple or spring clip attachment to backer surface.A 12″×12″ center raised honeycomb pad surface provides a smooth, flat but rigid surface for the vinyl preprinted target.Vinyl target surface is renewed with a peel & stick application of up five fresh vinyl targets for multiple range visits.Honeycomb target pad is the first reusable range target for use in all weather and temperature conditions.Honeycomb target pads holds up to hundreds of rounds of bullet impact offering exceptional durability and value for long term use.
US10520279B2 Firearm accessory mounting interface
An accessory mounting interface for a firearm, and a related method, are disclosed. The interface has a firearm accessory, a first elongated fastener, and a second fastener rotationally mated to the first elongated fastener. The first elongated fastener has right-handed threading and is arranged through a through hole in the firearm accessory with a first end extending below first and second halves of a first slot protrusion of the firearm accessory. The second fastener has a length greater than a width, the length measured along a longitudinal axis of the second fastener, the second fastener having a plurality of straight edges. At least one of the plurality of straight edges prevents the second fastener from rotating further than a closed position when the at least one of the straight edges abuts a sidewall of an elongated slot in the firearm.
US10520274B2 Crossbow assembly
Provided is a bow assembly comprising a main beam elongated in a first direction to define a distal end, and a proximal end, wherein the distal end has a distal end facing surface from which extend, an upper member, and a lower member having a first set of threads thereon; and a riser having a proximate facing surface, an upper groove dimensioned to engage the upper member, and a lower opening through hole dimensioned to engage the lower member; a threaded fastener adapted to threadedly engaged the first set of threads; and wherein the riser is assembled with the main beam and the threaded fastener such that the upper member is inserted within the upper groove, the lower member is inserted within the lower opening, the distal end facing surface faces the proximate facing surface, and the threaded fastener is threadedly engaged with the first set of threads.
US10520273B2 Crossbow barrel
Provided is a crossbow barrel comprising a first elongated shaft having a proximal end of the first elongated shaft and a distal end of the first elongated shaft opposite the proximal end of the first elongated shaft; and a second elongated shaft having a proximal end of the second elongated shaft, a distal end of the second elongated shaft opposite the proximal end of the second elongated shaft.
US10520272B1 Cannon recoil inhibitor and impulse noise attenuator
Openings in a muzzle brake provide recoil inhibition and impulse noise attenuation by redirecting the propellant gases to the external environment. A turning vane aggressively turns and redirects the propellant gases in a rearward direction to counter the recoil of the weapon system. An angled baffle provides a physical barrier to redirect propellant gases rearward to provide additional force to counteract the recoil force. Attenuation slits mitigate blast overpressure by producing a fluid barrier of high velocity propellant gases directed radially away from the muzzle brake. The fluid barrier from the attenuation slits interacts with the redirected propellant gas from the turning vane and the angled baffle and redirects the counter recoil gases away from the crew.
US10520270B2 Semi-automatic firearm rapid-fire accessory
Devices, systems, and methods of manufacturing are disclosed with regard to a rapid-fire accessory for a semi-automatic firearm. The rapid-fire accessory may include a trigger guard mount, a trigger actuator, and a trigger guard adapter. The trigger guard mount may include a mounting channel for receiving a trigger guard. The trigger actuator may be fixed relative to the mounting channel and configured to pull the trigger when the trigger guard slides forward in the mounting channel. The trigger guard adapter may be configured to mount on and remain fixed relative to the trigger guard. The trigger guard adapter may include an adapter channel for receiving the trigger guard. When the trigger guard adapter is mounted on the trigger guard and in the mounting channel, the trigger guard adapter guides a sliding movement of the trigger guard mount forward and rearward relative to the trigger guard adapter and the trigger guard.
US10520269B2 Firearm
A rifle configured for firing a 7.62×39 mm round is provided. The rifle having: an upper receiver; a lower receiver, the upper receiver being removably secured to the lower receiver, wherein the lower receiver is configured to removably receive and secure a magazine therein, the magazine being configured to hold at least 30 rounds of a 7.62×39 mm ammunition; and wherein a magazine well of the lower receiver is configured to receive an adapter at a front of the lower receiver.
US10520268B1 Ergonomic magazine self cleaning base plate
An ergonomic magazine self cleaning base plate having an exterior face with a perimeter edge. Extending from the perimeter edge is a forward face and an aft section. Further having an interior face with at least one channel that extends from the forward face to the aft section. Debris accumulated within the at least one channel and exits via the aft section and/or the forward face.
US10520265B2 Method for applying a slurry coating onto a surface of an inner diameter of a conduit
A method for creating a coating onto an inner diameter of conduit, whereby an injection nozzle is moved in a forward direction until its tip is aligned with the end of the conduit. Slurry is pumped from a reservoir into the injection nozzle and then is discharged through the tip of the injection nozzle. The slurry flows, distributes and spreads onto the surface of the conduit. The conduit is rotated and the nozzle is retracted as slurry continues to discharge from the nozzle to coat the remainder of the conduit.
US10520264B2 Cooling device for a vehicle battery, vehicle battery assembly, and method for producing a cooling device
A cooling device for an automotive battery includes at least one coolant line and at least one separate pressing element which is designed to be elastic so as to press the coolant line against an exterior side, preferably a flat side, of the automotive battery. The pressing element is designed as a composite component which has a separately manufactured reinforcing component which is enclosed in a plastic material. A method for manufacturing the cooling device includes the acts of providing a reinforcing component, in particular an elastic metal component, manufacturing an elastic pressing element as a composite component by sheathing the reinforcing component with plastic material, and applying a coolant line to the composite component. The composite component is acted upon to press against the coolant line in the event of deformation perpendicular to the exterior side of the automotive battery to be cooled.
US10520262B2 Heat exchanger
A heat exchanger is provided capable of suppressing formation of frost, thereby achieving enhanced heat exchange efficiency refrigerator. The heat exchanger includes refrigerant tubes vertically spaced apart from one another, and heat exchanging fins spaced apart from another in a longitudinal direction of the refrigerant tubes while being coupled to surfaces of the refrigerant tubes. Each heat exchanging fin includes fitting slots formed at one lateral end of the heat exchanging fin and vertically arranged to receive a plurality of refrigerant tubes, and moisture guide valleys extending vertically to downwardly guide moisture on the heat exchanging fin. Each moisture guide valley includes a first moisture guide valley arranged along a virtual line extending through a boundary between a curved portion of the corresponding fitting slot and each straight portion of the fitting slot, and a second moisture guide valley to guide moisture to the first moisture guide valley.
US10520250B2 System and method for separating natural gas liquid and nitrogen from natural gas streams
A system and method for removing nitrogen and producing a high pressure methane product stream and an NGL product stream from natural gas feed streams where at least 90%, and preferably at least 95%, of the ethane in the feed stream is recovered in the NGL product stream. The system and method of the invention are particularly suitable for use with feed streams in excess of 5 MMSCFD and up to 300 MMSCFD and containing around 5% to 80% nitrogen. The system and method preferably combine use of strategic heat exchange between various process streams with a high pressure rectifier tower and the ability to divert all or a portion of a nitrogen rejection unit feed stream to optionally bypass a nitrogen fractionation column to reduce capital costs and operating expenses.
US10520248B2 Household device having an input means locking device
A household device, in particular a refrigeration device, includes an electronic control device configured to control at least one function of the household device, an input device connected to the control device, having at least one input and being configured to supply an assigned control signal to the control device, based on a manual actuation of the at least one input. An input locking device, in its locked state, is configured to prevent controlling of the function of the household device, despite the at least one input being actuated, and in its unlocked state, is configured to permit controlling of the function of the household device when the at least one input is actuated. The input locking device is configured and/or constructed for shifting the input locking device into the locked state, after the at least one input has not been actuated over a predefined time period.
US10520246B2 Refrigerator
Disclosed herein is a refrigerator. Specifically, a refrigerator that is capable of enabling a user to easily introduce or remove goods into or from the refrigerator is disclosed. More specifically, a refrigerator that is capable of enabling a drawer for receiving goods to be more conveniently used is disclosed. The refrigerator includes a cabinet having a storage compartment with a food introduction port formed in the front thereof, a door hingedly connected to the cabinet for opening and closing the storage compartment, a plurality of drawers disposed in the storage compartment, the drawers being arranged vertically, a moving frame extending vertically so as to correspond to the height at which the drawers are disposed, the moving frame being configured to selectively push the drawers such that the drawers are moved toward the food introduction port, an electric driving unit coupled to the moving frame for moving the moving frame toward the food introduction port, and a controller for controlling the electric driving unit to move the moving frame when it is sensed that the door is open.
US10520245B2 Home appliance device and assembly method
A home appliance device with improved characteristics regarding a user's convenience, in particular a chiller home appliance device, includes at least one holding unit configured to at least partly hold at least one first shelf and at least one second shelf. The holding unit is configured to hold the first shelf next to the second shelf with respect to at least one width direction.
US10520243B2 Exterior member for home appliance and manufacture method thereof
An exterior member for a home appliance includes a front panel that defines an exterior of the home appliance, that is configured to cover a display assembly that includes a plurality of LEDs, and that includes a displaying part that defines a plurality of first through-holes at positions corresponding to the plurality of LEDs, the displaying part being configured to display operating information of the home appliance by transmitting light from the plurality of LEDs through at least a portion of the plurality of first through-holes. The exterior member further includes a front surface coating layer that is located on a front surface of the front panel and that is configured to shield the plurality of first through-holes. The exterior member further includes a hole-filling member that is configured to fill the plurality of first through-holes by coating a rear surface of the displaying part with a material.
US10520241B1 Drip tray for a snow blower
The drip tray for a snow blower comprises a drip tray and a ramp. The ramp allows the snow blower to be pushed or propelled to the drip tray and the drip tray collects melt water originating at the snow blower. Melt water may be contained within the drip tray by three walls of the drip tray, an elevation of a portion of the ramp, and/or an inclination of the drip tray floor. In some embodiments, the drip tray may comprise a plurality of drain holes in the drip tray floor and a water reservoir under the drip tray floor for collecting the melt water.
US10520238B2 Partition refrigeration control method and device for refrigerating chamber of refrigerator
The present invention provides a partition refrigeration control method and device for a refrigerating chamber of a refrigerator. The partition refrigeration control method comprises: determining that the refrigerating chamber enters a refrigeration state; acquiring the temperatures, sensed by an infrared sensor, of the items stored in the plurality of item storage compartments; comparing the temperature of the item stored in each item storage compartment with a corresponding preset area refrigeration start temperature threshold of each item storage compartment; setting a refrigeration state identifier corresponding to the item storage compartment in which the temperature of the item is higher than the corresponding area refrigeration start temperature threshold as start; and driving the air blowing splitter to operate in a state of providing the cooling air flow to the item storage compartment whose refrigeration state identifier is start.
US10520233B2 Air-conditioning apparatus for a plurality of parallel outdoor units
An air-conditioning apparatus is capable of efficiently performing defrosting operation without suspending a heating operation of an indoor unit. The air-conditioning apparatus includes a main circuit sequentially connecting, via a pipe, a compressor, indoor heat exchangers, first flow control devices, and a plurality of parallel heat exchangers connected in parallel to each other to allow refrigerant to circulate, first defrost pipes branching a part of the refrigerant discharged from the compressor and causing the part of the refrigerant to flow into one of the plurality of parallel heat exchangers to be defrosted, an interface heat exchanger located between the plurality of parallel heat exchangers, a first bypass pipe branching a part of the refrigerant discharged from the compressor and causing the part of the refrigerant to flow into the interface heat exchanger, and a second bypass pipe causing the part of the refrigerant flowing out of the interface heat exchanger to flow into the main circuit.
US10520230B2 Enhanced heat transport systems for cooling chambers and surfaces
At least one forced convection unit added to a passive heat transport system is operated during transient heat loading periods but not operated under steady state conditions for cooling and maintaining a set point temperature of a chamber or surface. Forced convection is selectively employed based on temperature data and/or set point temperature values. A reject heat transport system includes first and second reject heat sinks each coupled via main and crossover transport tubes to first and second reject heat exchangers, permitting both heat sinks to dissipate heat from first and second thermoelectric heat pumps regardless of whether the first, the second, or the first and second heat pumps are in operation.
US10520229B2 Caloric heat pump for an appliance
A heat pump system includes a caloric heat pump with a regenerator housing that is rotatable about an axial direction. A caloric material is disposed within a chamber of the regenerator housing. The caloric material defines a plurality of channels that extend along the axial direction through the caloric material. The channels of the plurality of channels are spaced from one another along a circumferential direction within the caloric material. A working fluid is flowable through the plurality of channels between end portions of the regenerator housing. A related refrigerator appliance is also provided.
US10520228B2 Multi-split HVAC system
A heating, ventilation, and/or air conditioning (HVAC) system has a first variable refrigerant flow outdoor unit, a first ducted variable speed indoor unit configured to selectively exchange refrigerant with the first variable refrigerant flow outdoor unit, and a second indoor unit configured to selectively exchange refrigerant with the first variable refrigerant flow outdoor unit.
US10520223B2 Robotic heliostat calibration system and method
A robotic controller for autonomous calibration and inspection of two or more solar surfaces wherein the robotic controller includes a drive system to position itself near a solar surface such that onboard sensors may be utilized to gather information about the solar surface. An onboard communication unit relays information to a central processing network, this processor combines new information with stored historical data to calibrate a solar surface and/or to determine its instantaneous health.
US10520222B2 External secondary solar concentrator
An external concentrator is disclosed for use in concentrating reflected solar radiation (e.g., beams or rays) onto a heat collection element (HCE) located at a focal point of a parabolic mirror. The external concentrator includes at least first and second elongated ribs that are adapted to extend radially outward from the outside surface of an HCE and along a linear length (e.g., a portion or all) of the HCE to redirect stray/spilled light into the absorber tube of the HCE. The radial extension of the ribs above the outside surface of the HCE allows a reflective surface of the rib to redirect stray reflected beams/rays that would otherwise bypass the HCE back onto the HCE.
US10520215B2 Air sweeping blade, air sweeping mechanism and air conditioner
Disclosed are an air sweeping blade, an air sweeping mechanism and an air conditioner. The air sweeping blade includes a blade body (11). A connecting rod shaft (13) rotationally connected with a connecting rod (20) is provided on the blade body (11), and the connecting rod shaft (13) extends to an edge of the blade body (11) along an axis of the connecting rod shaft and is fixedly connected with the blade body (11). By means of the structure, on one hand, the reliability of connection between the connecting rod shaft (13) and the blade body (11) is improved, and the condition of breakage caused by pulling during assembly is avoided; and on the other hand, the rigidity of the blade body (11) is improved, and the blade body (11) is prevented from distorting.
US10520214B2 Air-conditioning system control apparatus and air-conditioning system
An air-conditioning system control apparatus including: a storage to store data for control of a ventilation apparatus and an air-conditioning apparatus; and a computing device to generate a control command controlling the ventilation and the air-conditioning apparatus based on the stored data. The computing unit includes: a ventilation air volume correction coefficient generator to generate a ventilation air volume correction coefficient for correcting a set ventilation air volume based on operation conditions and previous operation data of the ventilation and the air-conditioning apparatus; an operation state determination unit to correct the set ventilation air volume, obtained based on temporal fluctuation data of a carbon dioxide concentration and current operation data of the ventilation and the air-conditioning apparatus, with the ventilation air volume correction coefficient; and a control command generator to generate the control command based on the set ventilation air volume corrected by the operation state determination unit.
US10520212B1 Heating and cooling control system
A thermostat has a thermostat housing that includes circuitry to control HVAC equipment and first and second dampers, and a first temperature sensor. A second temperature sensor is operatively connected to the thermostat, and a microcomputer enables the thermostat to perform the following steps: receiving a desired temperature; receiving first and zone temperatures; activating or de-activating the heating and cooling equipment responsive to a comparison between the first zone temperature relative to the desired temperature; and adjusting the first and second dampers as required to direct airflow to the first and second zones to adjust the second temperature until it is equal to or within an allowed deviation of the first temperature.
US10520211B1 Thermostat based control system and method for use with water-cooled air conditioning unit to effect automatic reset of refrigerant pressure switches
A thermostat based control system and method for achieving automatic, periodic reset of refrigerant high and low pressure switches, tripped by temporary condenser water flow interruption, to avoid high humidity issues stemming from prolonged shut-down of water-cooled air conditioning systems in seasonally occupied residential units by automatically and periodically raising the set point temperature to a higher temperature setting for a predetermined period of time whereafter the temperature setting is returned to the user-selected set point temperature. Raising the set point temperature to said higher temperature setting causes said thermostat to terminate a cooling demand signal such that time is provided to allow for a pressure switch associated with the water-cooled air conditioning unit to automatically reset.
US10520208B2 Dehumidifier
Provided is a dehumidifier including: a dehumidification module including a compressor unit for compressing a refrigerant, a cooling unit for cooling air through the refrigerant, and a drying unit for drying air that passes through the cooling unit; and a thermoelectric module including a first substrate, a second substrate disposed to face the first substrate, a thermoelectric element disposed between the first substrate and the second substrate, a first heat conversion unit connected to the first substrate and disposed adjacent to the drying unit of the dehumidification module, and a second heat conversion unit connected to the second substrate and disposed adjacent to the cooling unit of the dehumidification module.
US10520203B2 Method and system for controlling the temperature of an indoor space
A method for automatically operating a heating system controller for heating an indoor space so that the indoor temperature measurement signals are kept a) at approximately or above a default set point when the automatically obtained outdoor temperature indicator signals reflect an outdoor temperature indicator that is above a freeze protection point, or b) at approximately a computed set point that is higher than the default set point when the outdoor temperature indicator signals reflect an outdoor temperature indicator that is below the freeze protection point. The computed set point can be based on an outdoor temperature indicator. A heating system comprising a furnace, a thermostatic controller, a sensor of indoor temperature operatively connected to the thermostatic controller, a receiver operatively connected to the thermostatic controller for receiving a signal indicative of an outdoor temperature indicator, wherein the thermostatic controller is configured to operate according to the method.
US10520201B2 Glass package and framework for an oven door of a cooking oven
The present invention relates to glass package (10) for an oven door of a cooking oven. The glass package (10) includes an inner glass pane (12) and at least one further glass pane (14, 16), wherein the inner glass pane (12) is provided for an arrangement towards to an oven cavity (46) in an assembled and a closed state of the oven door, while the at least one further glass pane (14, 16) is provided for an arrangement opposite to the oven cavity (46) in the assembled and closed state of the said door. The glass package (10) includes connecting means (18, 20, 28) for a permanent connection between the inner glass pane (12) and the at least one further glass pane (14, 16). The inner glass pane (12) and the at least one further glass pane (14, 16) are arranged plane-parallel to each other. An intermediate space is formed between two adjacent glass panes (12, 14, 16). At least one slot (19) and/or channel (30) enclose or encloses at least partially the circumferential sides of the glass package (10) along a circumferential direction. The width and height of the inner glass pane (12) are bigger than the width and height, respectively, of the at least one further glass pane (14, 16) and of any further component of the glass package (10), wherein the widths and heights of the glass panes (12, 14, 16) relate to the large-area sides of said glass panes (12, 14, 16). Further, the present invention relates to a corresponding framework (32) 25 for an oven door of a cooking oven. Moreover, the present invention relates to an oven door including the glass package (10) and the framework (32). Additionally, the present invention relates to a method for assembling an oven door for a cooking oven.
US10520197B2 Single cavity trapped vortex combustor with CMC inner and outer liners
Combustor assemblies and methods for assembling combustor assemblies are provided. For example, a combustor assembly comprises an annular inner liner and an annular outer linear, each extending generally along an axial direction. The outer liner includes an outer flange extending forward from its upstream end. The combustor assembly also comprises a combustor dome extending between an inner liner upstream end and the outer liner upstream end and including an inner flange extending forward from a radially outermost end of the combustor dome. The inner liner, outer liner, and combustor dome define a combustion chamber therebetween, and the combustor dome and a portion of the outer liner together define an annular cavity of the combustion chamber. The inner and outer flanges define an airflow opening therebetween, and a chute member is positioned within the airflow opening to define an air chute for providing a flow of air to the annular cavity.
US10520196B2 Cross fire tube with guide ring and angled cooling holes
The present invention provides a multi-can type gas turbine combustor including a plurality of combustors that mix and burn fuel and the air, the combustors being connected by a crossfire tube assembly. The gas turbine cools the crossfire tube assembly without lowering the temperature of a combustion exhaust gas passing through the crossfire tube assembly and prevents thermal deformation and fire damage of the crossfire tube assembly. In a gas turbine according to the present invention, a guide ring that guides a current of the air is provided in a position opposed to air holes. One side end portion of an annular space configured between the guide ring and a crossfire tube assembly is opened to a space on the inside of the crossfire tube assembly. The other end portion is a closed end connected to a partition wall configuring the crossfire tube assembly. The length of an annular space between the air holes and the closed end is set to three times or more as large as the diameter of the air holes. Further, a part of the air holes is drilled to tilt to the closed end of the annular space to cool the crossfire tube assembly including the guide ring with a small cooling air amount.
US10520190B2 Device for the ignition/re-ignition of the flame for a gas burner, for example in a cooktop, and corresponding method
A device for igniting/re-igniting the flame for a gas burner, for example for a cooktop, is capable of receiving a supply voltage from a supply source. The device is furthermore configured for receiving a signal representing the presence of the flame. The flame ignition/re-ignition device is configured for activating a spark activation circuit (70) configured for generating sparks for igniting the flame when the signal representing the presence of the flame indicates absence of flame, and interrupting the generation of sparks when the signal indicates presence of flame. Furthermore, the flame ignition/re-ignition device comprises an anti-inversion circuit (40) configured for uncoupling the flame ignition/re-ignition device from the direction of insertion of a supply plug for the device into a domestic power outlet, making the device insensitive to the polarity adopted in the connection between the plug and the power outlet.
US10520186B2 Method for operating a gas burner appliance
A method for determining an change in an operating condition of a gas burner appliance. In some instances, a calibration of a gas/air mixture may be performed when the combustion quality of the gas burner appliance diminishes. This may be accomplished by adjusting a throttle position of a throttle valve that throttles the gas to the gas burner appliance. After calibration has been performed, a throttle position of the throttle valve is determined, and based on the throttle position determined after calibration, a change of an operating condition of the gas burner appliance is detectable.
US10520184B2 Audio lighting device
Disclosed herein is an audio lighting device, which includes a casing, a circuit board located within the casing, an audio guiding device located below the casing, a speaker, a bass tube, a heat dissipation device, a plurality of audio signal outlets and a light source part. The audio guiding device has a top ring sheet and a bottom audio shield located therebelow; the top ring sheet and the casing are sealed to form an audio box. The speaker is located in a central opening of the top ring sheet. The bass tube is disposed on the top ring sheet of the audio guiding device, so that the audio box has open-end conduit that facilitates the propagation and output of the low-frequency audio signal.
US10520182B2 Lamp and lighting fixture comprising the lamp
The present invention discloses a lamp, comprising: an optical cover; a cap for connecting to electrical power; a tubular housing comprising an upper end connected to the optical cover hermetically, a lower end connected to the cap, and at least one vent opening located at a lower portion of the tubular housing; an air flow path inside the tubular housing for communicating an inner surface of the optical cover and the at least one vent opening; and a light source module and a driving module connected to the light source module inside the tubular housing. The present invention also discloses a lighting fixture comprising the above lamp and a lamp holder. The lamp and lighting fixture of the present invention are water resistant. When the gas inside the lamp causes the internal pressure to change due to expanding with heat and contracting with cold, the hermetically connected portions of the lamp are not easy to be damaged.
US10520181B1 Direct connector for lamp base and light source driver board and LED bulb lamp using direct connector
Direct connector for a lamp base and a light source driver board, mounted at the joint of the lamp base and a lamp cup. Its insulating base has a positive metal contact pin and a negative metal contact pin towards the lamp cup, which are electrically connected to the light source driver board. The insulating base has an insertion groove towards the lamp base, and a rivet of the lamp base is inserted. A positive conductor to be electrically connected to the rivet is disposed in the insertion groove and is in electrical conduction with the positive metal contact pin. A negative conductor to tightly press against a side wall of the lamp base for electrical connection is disposed on the side face of the insulating base and is in electrical conduction with the negative metal contact pin. An LED bulb lamp using the direct connector is further disclosed.
US10520179B2 Light effect material with metalized layer
A metalized layer can be used as a light source with a light effect material and a transparent space to create a reflected light material viewing effect in which a viewer perceives reflected light as a dispersed light effect viewing pattern rather than as a reflective light pattern viewing the same light path with the light effect material removed.
US10520178B2 Angular connection system for a luminaire
A connection system for a luminaire that includes a cover having a base wall, a first side wall, a second side wall, and a plurality of guides; and a connector having a top surface, a bottom surface, a first side wall, a second side wall, a plurality of guides, where the plurality of guides of the cover engage the plurality of guides of the connector. The cover may be slidably engaged onto the connector and the cover may be secured to the connector using a securing member.
US10520177B2 Exterior lamp mounting adaptor with integrated electrical interface
A mounting adaptor for an electric light fixture to be mounted on a surface. The mounting adaptor comprising: a base and a joining member each having an interfacing face and an electrical interface, one of the base and the joining member comprising on its interfacing face a groove, the other one of the base and the joining member comprising on its interfacing face a lip adapted to cooperate with the groove thereby providing a capability to assemble releasably the joining member with the base; a locking mechanism adapted to lock the base and the joining member in a mounted position relatively to each other; the base comprising a mounting element adapted to mount the base to the surface; and the joining member comprising a joint element adapted to mount the electric light fixture to the joining member.
US10520170B2 Brackets for lighting fixture systems
A bracket for joining a first fixture to a second fixture includes a housing configured to be coupled to the first fixture, a drive system disposed at least partially within the housing, and a retention member coupled to the drive system. The retention member is configured to engage with the second fixture and draw the second fixture and the first fixture together upon actuation of the drive system.
US10520169B2 Snap in retrofit panel
A retrofit lighting fixture for retrofitting a pre-existing lighting fixture. The pre-existing lighting fixture includes electrical wiring and a troffer having a recessed center portion and an outer perimeter edge, which together form a hollow inner cavity, the electrical wiring extending into the cavity. The retrofit lighting fixture includes a lighting panel, a spring and a magnet. The lighting panel has light sources and electrical wiring. The lighting panel electrical wiring is connected to the electrical wiring of the pre-existing lighting. The spring has a first end connected to the lighting panel and a second end connected to the magnet. The magnet is attached to the recessed center portion of the troffer, and the spring is configured to pull the lighting panel against the outer perimeter edge of the troffer. In some applications the retrofit lighting fixture is a LED lighting fixture.
US10520166B2 Flashlight unit
A flashlight unit includes a housing having an opening including a lens and a light source located in the housing for emitting light through the lens in a lighting direction. The light source is movable in the lighting direction, relative to the lens, for adjusting light emission. The flashlight unit has an adjusting mechanism including a rotatable member for adjusting the position of the light source in the lighting direction, relative to the lens. There is also a limiter for limiting rotational movement of the rotatable member when the light source reaches a predetermined position.
US10520162B2 Illumination device
Provided is a high-decorativeness illumination device that utilizes lenticular lens sheets. An illumination device includes first to third lenticular lens sheets, an LED light source, and a casing. The first and second lenticular lens sheets are laminated such that an angle formed by plano-convex cylindrical lenses falls within a first angle range which is greater than 0 degrees and is less than 30 degrees. Accordingly, moire fringes appear in illumination light rays. The third lenticular lens sheet is laminated on the first and second lenticular lens sheets such that angles formed by plano-convex cylindrical lenses fall within a second angle range which is equal to or greater than 30 degrees and is equal to or less than 90 degrees.
US10520160B2 Collapsible multi-functioning lighting device comprising concentric rings having different radii interconnected by a flexible membrane
A collapsible multi-functioning lighting device is disclosing having a plurality of concentric casings interconnected by a flexible membrane, the plurality of casings have at least first and second configurations. The first configuration is a collapsed configuration wherein each of the plurality of interconnected concentric casings form a nested group of concentric casings. The second configuration comprises an extended configuration wherein the plurality of concentric casings and flexible membrane form (i) continuous sidewalls, (ii) an open end, and (iii) a closed end that all define an internal volume. A light source is disposed in the closed end.
US10520151B2 Daylighting apparatus
A daylighting apparatus of the present invention includes: a daylighting sheet (13) that has first and second surfaces opposite to each other and that lets light in through the first surface and lets the light out through the second surface at a predetermined distribution of angles; and a visible light-reflecting sheet (15) that reflects part of visible light falling on the first surface of the daylighting sheet (13).
US10520145B2 Antiglare LED wall light apparatus
An antiglare LED wall light apparatus is provided. The apparatus comprises an elongated base member; an elongated shield detachably secured to the base member; a light source mounted within the shield; and baffles secured to the shield at horizontally spaced apart intervals. The shield comprises an elongated body having an inner surface and an opposing outer surface, the body extending outwardly and vertically downward from an upper end of the body to a lower end of the body; an arcuate tab integrally connected to the upper end of the body; a vertical member extending downwardly from the inside surface of the body; an upper ledge extending horizontally outward from an upper end of the vertical member, the upper end fixedly attached to the body; and a lower ledge extending horizontally outward from a lower end of the vertical member, the lower ledge parallel to the upper ledge forming a mounting channel.
US10520135B2 Vacuum heat-insulating material, and heat-insulting container, dwelling wall, transport machine, hydrogen transport tanker, and LNG transport tanker equipped with vacuum heat-insulating material
A vacuum heat-insulating material includes: an outer cover material; and a core material which is sealed in a tightly closed and decompressed state on the inside of the outer cover material. Outer cover material has gas barrier properties and satisfies at least one of a condition that a linear expansion coefficient is 80×10−5/° C. or lower when a static load is 0.05 N within a temperature range of −130° C. to 80° C., inclusive, a condition that an average value of a linear expansion coefficient is 65×10−5/° C. or higher when a static load is 0.4 N within a temperature range of −140° C. to −130° C., inclusive, a condition that an average value of a linear expansion coefficient is 20×10−5/° C. or higher when a static load is 0.4 N within a temperature range of −140° C. to −110° C., inclusive, and a condition that an average value of a linear expansion coefficient is 13×10−5/° C. or higher when a static load is 0.4 N within a temperature range of +50° C. to +65° C., inclusive.
US10520131B2 Pole arm system with stackable mount cup
A pole arm system is disclosed which comprises a pole mount cup that may be reconfigured and stacked in different configurations so as to form different configurations of a pole mount assembly for supporting various arms and electronic devices. The pole mount assembly further comprises, in some embodiments, a pole collar assembly for engaging a dimpled pole in a fixed relationship. Multiple rotation stop mechanisms for use in joints of a pole arm system are also disclosed.
US10520126B2 Heat insulating structure using aerogel
An object of the present invention is to propose heat insulating structure which is excellent in thermal insulating properties and higher in strength. The heat insulating structure includes: an aerogel layer including aerogel particles, adhesive, and fibers; and a retainer which is provided to at least one face of the aerogel layer and includes fiber materials and binder resin. Each of the fibers is part of one of the fiber materials included in the retainer.
US10520125B2 Universal thread protector
A universal thread protector is provided for protecting either of the pin and box ends of a pipe. The thread protector has a cap with an open end the closed end. A seal element is positioned within and adjacent to the open end of the cap. A ring member is positioned against the seal element between the seal element and the closed end of the cap. Bolts are provided having an end positioned against the ring member. The bolts are movable from an unactuated position to an actuated position wherein the bolt applies a force against the ring member when in the actuated position. As such, the ring member pushes against the seal element so as to deform or compress the seal element against the outer diameter of the pipe positioned within the cap. A method of protecting the threaded ends of pipe is also disclosed.
US10520124B2 Pipe cap with transition fitting
A pipe cap assembly for a normally-sealed system includes a pipe cap having a base portion. The pipe cap includes a connector portion extending from the base portion. A fluid passage extends through both the base portion and connector portion. A transition cap may be releasably coupled to the connector portion for sealing the fluid passage during normal operation. A transition fitting provides periodic access to the sealed system and includes an access port at one end, and a tubular port and fastener at the other end. The tubular port and fastener releasably couple to the connector portion of the pipe cap to provide access. A drain hose, vent hose, or the like, may be easily coupled to the access port of the transition fitting. A test instrument may be coupled either to the access port or directly to the connector portion.
US10520123B2 Hollow body coupling device
An interconnector system (10) for coupling a first hollow body to a second hollow body allows fluid communication between the hollow bodies. The interconnector system (10) includes a valve interconnector (14) and a receiver interconnector (12). The receiver interconnector (12) has a sliding seal sleeve (20) that slides relative to a hollow post (18). The design of the receiver interconnector (12) ensures that the valve interconnector (14) cannot be decoupled from the receiver interconnector (12) without the seal sleeve (12) sealing closed the liquid passageway (46) through the hollow post (18). Also included is a hollow body having a coupling device thereon.
US10520122B2 Connector
A connector connectable to a pipe having an annular protrusion on an end portion outer circumference thereof includes a connector main body having, at an end thereof, a pipe insertion hole into which the pipe is inserted; a checker to be pushed in from a temporary stopping position with respect to the connector main body to a completely inserted position with respect to the connector main body; and a retainer disposed inside the connector main body, which is configured to restrict a movement of the checker from the temporary stopping position to the completely inserted position, before the pipe is inserted into the connector main body. The retainer has a retainer lock part in a lower end portion of the retainer. A retainer-locker, which locks the retainer lock part, is provided in a bottom portion on a pipe insertion hole side of the connector main body.
US10520120B2 Drilling riser flanges and assemblies with contoured bearing surfaces to reduce shear in connectors
This disclosure includes riser flange assemblies and related methods. Some assemblies include first and second flanges each defining a plurality of counterbored bolt holes and having a plurality of concave bearing surfaces each disposed around one of the counterbored bolt holes, a plurality of bolts each having a head and a male threaded portion, a plurality of washers each having a convex bearing surface configured to correspond to the concave bearing surface of a bolt hole when one of the bolts extends through the washer and the bolt hole and a plurality of nuts each having a convex bearing surface and a female threaded portion configured to receive the male threaded portion of one of the bolts, the convex bearing surface configured to correspond to the concave bearing surface of a bolt hole when one of the bolts extends through the bolt hole and is received in the nut.
US10520114B2 Pipe clamping device and a pipe assembly
A pipe clamping device comprises a first part including a first base and a first clamping portion connected to the first base; a second part including a second base and a second clamping portion connected to the second base; and a connector including a rod. The first base includes a first guiding slot extending in a first direction and the second base includes a second guiding slot extending in the first direction. The rod of the connector passes through the first guiding slot and the second guiding slot at a second direction different from the first direction. The first clamping portion is movable relative to the second clamping portion in the first and second directions.
US10520099B2 Valve having a valve insert
A valve for controlling fluid flow that includes a valve body and a chamber arranged inside the valve body. The chamber has a proximal chamber surface and a distal chamber surface being opposite to the proximal chamber surface. The valve further includes a fluid inlet, a fluid outlet, a valve rod and a valve plug. The valve plug and the valve rod are arranged to control fluid flow from the fluid inlet to the fluid outlet via the chamber. The valve further includes a valve insert arranged at least partly inside the chamber. The valve insert includes a proximal portion and at least two distal portions, and the valve plug is adapted to be guided through at least a part of the valve insert. At least one of the distal portions is resiliently arranged relative the proximal portion in order for the distal portions to be movable relative each other.
US10520096B2 Intershaft seal assembly
An intershaft seal assembly comprises an annular seal ring disposed between a pair of annular runners connected to a hollow outer rotating shaft, and a surface of a co-axial inner rotating shaft. The centrifugal force resulting from rotation of the hollow outer rotating shaft effects engagement of the annular seal ring with the surface of the co-axial inner rotating shaft. The surface may be a radially-inward-facing surface of a retaining arm connected to the co-axial inner rotating shaft.
US10520094B2 Double sided outer seal
Seal with a body that has bilateral symmetry. The body comprises of a first sealing lip on a right side of the body and a second sealing lip on the right side of the body that is positioned radially below and axially inward with respect to the first sealing lip. The body further comprises of a third sealing lip on a left side of the body and a fourth sealing lip on the left side of the body positioned radially below and axially inward with respect to the third sealing lip. In the installed position, the first sealing lip is flexed away from the second sealing lip and the third sealing lip is flexed away from the fourth sealing lip.
US10520092B2 Seal assemblies for extreme temperatures and related methods
Seal assembly designs for extreme temperatures that include material and structural designs to counteract sealing component shrinkage or expansion caused by thermal expansion or contraction. Provisions can be included to increase sealing stress along the outer seal lip of the seal assembly for low temperature applications where shrinkage can be an issue and to increase sealing stress along the inner seal lip of the seal assembly for high temperature applications where expansion can be an issue.
US10520091B2 Double direction seal with locking
Lip type rotary seal assemblies are generally discussed herein and particularly those with double directional sealing, wherein the tip of the two sealing lips point in opposite directions. A locking ring is incorporated to retain the seal assembly in the housing. The seal is configure to provide different sealing forces at each end to provide flexibility and enhanced performance where two different conditions on each side of the seal can exist, such as different sealing medium, fluid viscosity, pressure, and rotary speed.
US10520090B2 Seal
A device to provide a seal between a housing for a moving element such as a drill chain, piston or the like and the moving element. The device comprising a storage well to retain seal material, the block having an outlet connecting with an aperture in a housing enabling seal material to flow into the space between a housing and the moving element and form a seal, the device further including an inlet port enabling seal material precursor to be added into the block, and pressurising means to pressurise the seal material precursor and force it out of the aperture.
US10520087B2 Cylinder device
A cylinder device includes a piston and a piston rod disposed movably, and a movable body in which another end portion of the piston rod is inserted. The piston rod includes a first pin groove that extends along an axial direction and through which a support pin is inserted. The support pin is also inserted through second pin grooves formed in the movable body and having a substantially L-shaped cross section. Further, a link pin is inserted through a pin hole on the other end portion of the piston rod. The link pin is inserted through third pin grooves in the movable body which are inclined at a predetermined angle with respect to the axis of the movable body. In addition, under a moving action of the piston, the movable body is displaced linearly, and thereafter, is rotationally displaced by the link pin moving along the third pin grooves.
US10520086B2 Apparatus and systems for preventing extrusion
An anti-extrusion ring for supporting a sealing unit of a piston or rod system is disclosed. The anti-extrusion ring is split across two surfaces for ease of installation and the split is configured to effectively prevent extrusion at either split surface and eliminate nibbling of the sealing components.
US10520084B2 Metal bellows
A metal bellows of great durability capable of preventing breakage at both end portions of the metal bellows is provided. The metal bellows is annular-shaped and has, axially repeatedly, a structure in which, from an axial end portion 10c, a belly, a valley, a belly, a peak, and a belly are integrally formed in series sequentially in this order. The end portion 10c has a first connection belly 10d connected to a fitting member 15, and a connection valley 10e and a second connection belly 10f extending sequentially from the first connection belly 10d axially inward. The axial width b1 of the connection valley 10e in a free state is set larger than the axial width of valleys 10i, 10m, . . . or peaks 10g, 10k, . . . in a portion other than the end portion 10c.
US10520080B2 Method for controlling a gear shift actuator and corresponding shift actuator
A method controls a shift actuator with a sliding gear for a gearbox. The gearbox includes a control element for controlling a shift fork responsible for disengaging and engaging pinions on a shaft of the gearbox that receives torque from a traction machine powered by the on-board electrical system of the vehicle. The control element is positioned upstream of a mechanical spring-assist system and regulated in position by a DC actuating motor. The method includes temporarily raising a supply voltage applied to the actuating motor above a base voltage of an on-board electrical system during the disengaging and engaging the pinions.
US10520075B2 Apparatus for controlling the temperature of an oil cooler in a motor vehicle
An apparatus for controlling the temperature of an oil cooler in a motor vehicle may include a temperature control arrangement. The temperature control arrangement may have a cold thermostat with a limit operating temperature and a warm thermostat with a lower limit operating temperature, the warm thermostat being connected in a fluid-connecting manner to the cold thermostat. The temperature control arrangement may also include a cold inlet for a coolant at a first temperature and a warm inlet for a coolant at a second temperature, the first temperature being lower than the second temperature. The temperature control arrangement may further include a coolant outlet fixable in a fluid-conducting manner to a coolant inlet of the oil cooler.
US10520071B2 Drive unit for shifting a torque balance
A drive unit utilizing a double planetary differential and an overdriven gear to shift torque between output shafts. The drive unit includes a motor, a differential caging housing a planetary differential and in driving engagement with two output shafts, a planetary carrier, a first gear, a second gear, and two variably engageable clutches. The planetary carrier supports the planetary differential and is drivingly engaged with a first output shaft. The first gear is capable of being overdriven and is in driving engagement with the motor and the variably engaged clutches. The second gear is in driving engagement with the motor and the differential caging. The first clutch is disposed between the first gear and the second output shaft and the second clutch is disposed between the first gear and the planetary carrier. When the clutches are actuated, torque is shifted between the output shafts via the first gear.
US10520066B2 Orbital tensioner assembly
In an aspect, a tensioner is provided for tensioning an endless drive member that is engaged with a rotary drive member on a shaft of a motive device. The tensioner includes a base that is mountable to the motive device, a ring that is rotatably supported by the base in surrounding relationship with the shaft of the motive device and which is rotatable about a ring axis, a tensioner arm pivotally mounted to the ring for pivotal movement about an arm pivot axis, and first and second tensioner pulleys. The first tensioner pulley is rotatably mounted to the tensioner arm. The tensioner arm is biased towards a first span of the endless drive member on one side of the rotary drive member. The second tensioner pulley is rotatably mounted at least indirectly to the ring and is biased towards a second span of the endless drive member on another side of the rotary drive member. The ring is rotatable in response to hub loads in the first and second tensioner pulleys that result from engagement with the first and second spans of the endless drive member.
US10520065B2 Planetary gear train of an automatic transmission for a vehicle
A planetary gear train of an automatic transmission for a vehicle includes input and output shafts, and first, second, third, fourth, and fifth planetary gear sets, each including three rotational elements. The gear train also includes nine shafts for selectively connecting the planetary gear sets, the input and output shafts, and a transmission housing in various configurations to achieve at least ten forward speeds and at least one reverse speed.
US10520064B2 Dual-clutch automatic transmission
A dual-clutch automatic transmission having seven forward gears and one reverse gear, wherein a seventh-gear driving gearwheel, a first-gear driving gearwheel, a fifth-gear driving gearwheel and a third-gear driving gearwheel are individually and fixedly arranged on a first input shaft, a fourth-gear driving gearwheel and a second-gear driving gearwheel are individually and fixedly arranged on a second input shaft, driven gearwheels respectively and correspondingly engaged with the driving gearwheels are rotatably supported on the first output shaft and the second output shaft. The fourth-gear driving gearwheel is also used as a sixth-gear driving gearwheel, and the gear sets of other gears are not shared, which is conducive to decrease the overall axial length of the transmission, facilitates full vehicle arrangement, and prevents the speed ratio ranges of other gears from being influenced by sharing of these gear sets to adapt to more vehicle models. In addition, the arrangement of a parking ratchet wheel is optimized in the present invention, the stress distribution on the output shafts can be more even, and thus the stability is improved and the service life is prolonged.
US10520057B2 Engine mount
An engine mount includes a nozzle assembly for partitioning a fluid-filled space into an upper fluid chamber and a lower fluid chamber, wherein the nozzle assembly includes a first flow path to dampen vibrations with a first amplitude and a second flow path to dampen vibrations with a second amplitude greater than the first amplitude, so that the vibrations delivered from an engine can be efficiently reduced.
US10520050B2 Method and apparatus for power-saving, fail-safe control of an electromechanical brake
A control circuit configured to control an electromechanical brake is provided. The control circuit includes: a switching regulator configured to control a magnitude of voltage applied to a brake coil of the electromechanical brake; wherein said switching regulator includes at least one semiconductor switch, one diode, one capacitor and one inductor; the control circuit is configured such that, in operation, at least one signal from a process sub-system specifies the magnitude of the voltage for the brake coil; and at least one brake applying control signal from a safety sub-system can cause the brake coil voltage to be reduced to a level low enough to apply the brake by opening a switch and each brake applying control signal from the safety sub-system has a corresponding diagnostic feedback signal to the safety sub-system that indicates the state of the corresponding switch. A method and a system are disclosed.
US10520048B2 Rotation velocity adjusting module, rotating device and rotation velocity adjusting method
A rotation velocity adjusting module includes a fixed axle, a rotating component and a rotation velocity adjusting mechanism. The rotating component is pivoted to the fixed axle. The rotation velocity adjusting mechanism includes a driven component, a driving component and a contact component. The driven component is rotatably connected to the rotating component. The driving component and the contact component are disposed on the driven component. When a rotation velocity of the rotating component reaches a threshold value, the driving component drives the driven component to rotate by the change of centrifugal force, so as to switch states of the contact component.
US10520047B2 Method for warming-up a pneumatic clutch actuator
A method for controlling a pneumatic actuator (1) of a transmission having at least one sealing element (6, 7), arranged between two elements (2, 3) of the clutch actuator (1) that move relative to one another, and within a specifiable operating temperature range in which leakproofness of the clutch actuator (1) is ensured. The clutch actuator (1) is acted upon with compressed air from an air supply system for actuating a shifting and/or starting clutch arranged between a drive aggregate and a transmission. In order to warm up the clutch actuator (1), if a temperature of the clutch actuator (1) is lower then a glass transition temperature of the at least one sealing element (6, 7), the drive aggregate is operated at a higher rotational speed compared to the idling speed of the drive aggregate.
US10520046B2 Low backlash multimode clutch
A low-backlash multimode clutch includes a one-way bearing allowing rotation in a first direction as well as a number of actuatable pawls in one race and a number of receiving slots having engagement faces in the other race. The engagement faces are tilted such that when the pawls are actuated, any torque applied in the first direction tends to force the pawls outward but the pawls are retained inward, such as by actuator rods. In this way, the one-way clutch may be selectively locked and unlocked with zero backlash against the one-way bearing.
US10520045B2 Vehicle transmission
A vehicle transmission includes a plurality of clutches, a shaft, and a pressure relief valve. The plurality of clutches each define a balance dam chamber. The shaft partially defines a pressurized fluid circuit that includes each balance dam chamber. The shaft also defines an outlet. The pressure relief valve is disposed within the shaft between the pressurized fluid circuit and the outlet. The pressure relief valve is configured to open at a threshold pressure of the fluid circuit, wherein the threshold pressure decreases as rotational speed of the shaft increases.
US10520040B2 Spring retainer for arc spring of a clutch
A disk assembly of a torque converter bypass clutch includes a disk defining a circular spring cavity and a plurality of arc springs circumferentially arranged in the cavity with gaps defined between adjacent ones of the arc springs. Each of the springs includes an end cap fitted on an end of the spring. Spring connectors are each disposed in one of the gaps and include an end received within a corresponding one of the end caps.
US10520039B2 Isolating decoupler
An isolating decoupler comprising a hub, a pulley journalled to the hub, a torsion spring having a first torsion spring end welded directly to the hub, a wrap spring having a first wrap spring end welded directly to a second torsion spring end, a wrap spring outer surface fictionally engaged with a pulley inner surface, and a wrap spring second end temporarily engagable with the torsion spring first end whereby the frictional engagement between the wrap spring outer surface and the pulley inner surface is progressively released as a torque load increases.
US10520038B2 Method of manipulating a bearing cap
A method of manipulating a bearing cap for a machine, the method comprising: attaching an intermediate member to the bearing cap, the intermediate member having one or more handling formations; and using the handling formations of the intermediate member to manipulate the bearing cap.
US10520035B2 Variable volume bearing compartment
A bearing compartment assembly includes a bearing compartment with a bearing and a plenum, a buffer system that supplies pressure to an exterior of the bearing compartment, and a reactive volume vessel connected to the bearing compartment. The reactive volume vessel has a displaceable member that is movable between two positions, one of which adds additional volume to the bearing compartment.
US10520033B2 Cage for crankshaft bearing assembly
A rolling-element bearing assembly includes an inner race and an outer race and a plurality of rolling elements between inner and outer races, the rolling elements being mounted in pockets between axial bridges of a cage having first and second axial side rings. One or both of the side rings has at least one corrugated surface, and the corrugations project axially and/or radially.
US10520030B2 Structure with bearing and bearing
Provided is a structure with a bearing which is capable of suppressing abrasion of a first member and a first annular member of the bearing in contact with the first member even when relative movement occurs between the first member and the first annular member. The structure with a bearing supplies lubricating oil scraped up from an oil reservoir by an output member (12) to a bearing (20) disposed between a ring gear (Rb) and a transmission case (10). The ring gear (Rb) has a communication groove (30) which allows two spaces adjacent to the bearing (20) to communicate with each other in a portion which is in contact with the first annular member (21) located on an inner circumferential side of the bearing (20).
US10520028B2 Bearing unit
An outer ring (2) is provided with a stationary ring-side flange (2a) along a circumferential direction. The stationary ring-side flange (2a) is provided with a plurality of mounting holes (2b) which is arranged at unequal intervals and which is used to fasten the outer ring (2) to a knuckle (N) through knuckle bolts (Bt). The stationary ring-side flange (2a) includes first flange part (30) located in a region in which a distance between adjacent mounting holes (2b) is larger and second flange part (40) located in a region in which a distance between adjacent mounting holes (2b) is smaller. A radial thickness of the first flange part (30) is a greater than a radial thickness of the second flange part (40).
US10520027B2 Tapered roller bearing
A tapered roller bearing includes an inner ring, an outer ring, a plurality of tapered rollers, and an annular cage that holds the tapered rollers. The cage has a small annular portion positioned toward the axially first side with respect to the tapered rollers, a large annular portion positioned toward the axially second side with respect to the tapered rollers, and a plurality of cage bars that couples the small annular portion and the large annular portion together, and the cage is enabled to come into contact with an inner peripheral surface of the outer ring so that the contact allows the cage to be positioned in a radial direction. The small annular portion is provided with introduction channels through which lubricant is enabled to be introduced from a bearing exterior on the axially first side into an annular space formed between the inner and outer rings.
US10520022B2 Linear motion device
Provided is a linear motion device having higher rigidity, higher load resistance, and superior guiding precision. In this linear motion device, a linearly moving element 2 that moves linearly relative to a rail element 1 is provided, load paths 4 through which rolling elements 3 move are provided between the rail element 1 and the linearly moving element 2, and endless rolling element circulation paths are formed in which the load paths 4 are made to communicate via return paths 5 with no-load paths 6, wherein the rolling elements 3 are cylinders of which the length is at least three times the diameter, the rolling elements 3 are configured so as to circulate through the endless rolling element circulation paths while being rotatably held by rolling element holders 10 configured by spacers 8 provided between adjacent rolling elements 3 and belt-shaped linking elements 9 that link spacers 8 together at both ends, the no-load paths 6 are formed by placing no-load path-constituting members 12 in linear holes 11 formed in the linearly moving element 2, and the no-load path-constituting members 12 are configured such that the end surfaces of the rolling elements 3 are opened on the outward sides and the linking elements 9 of the rolling element holders 10 are exposed.
US10520013B2 Roller for deflecting or guiding a metal strip to be coated in a metal melt bath
A roller may be used to deflect or guide a metal strip to be coated in a metal melt bath. The roller may comprise a steel roller shell and steel bearing journals that are connected to the roller shell and arranged coaxially to each other for a rotary supporting of the roller. Disposed on each bearing journal may be a substantially cylindrical or circular disk-shaped connection portion that is made of steel and that extends radially in a direction of the roller shell. At least one of the connection portions may have at least one through opening that emerges at an end face of the roller shell. Further, a filling made of one or more filling elements that have at least one closed cavity may be arranged in the roller shell. The filling may have a structure that is symmetrical about an axis of rotation of the roller.
US10520011B2 Crankshaft for V6 engine
The first to ninth crank webs are roughly divided into three groups. The first group is from the second, fifth and eighth webs. These crank webs of the first group have similar shapes. In the crankshaft, the shapes of these crank webs belonging to the first group are adjusted to satisfy the first stiffness condition below. First stiffness condition:the second and eighth webs>the fifth web W5
US10520008B2 Screw member, fastening structure, and connection structure for solar panel float
A screw member, a fastening structure, and a connection structure for a solar panel float which can facilitate the fastening operation performed by a screw. A pair of screw members is provided with a male screw member and a female screw member. One of the male screw member and the female screw member has a body portion at least partly inserted into a through-hole provided in an object to be fastened, and a temporary fixing portion provided adjacent to an end of the body portion and locked in the object to be fastened so as to prevent the body portion from deviating from the through-hole during a fastening operation.
US10520007B2 Mounting hardware
An assembly includes a simulated nut-and-washer member and a mounting device. The simulated nut-and-washer member includes a base plate simulating a washer, and a cylindrical portion simulating a nut and having a top surface and an outer sidewall with a plurality of faces, the top surface defining a first circular opening having a first diameter. An inner annular surface is disposed radially inward from the outer sidewall and defines a second circular opening disposed coaxial with the first circular opening and having a diameter that is less than the first diameter. The mounting device is configured to be received through the first and second circular openings, and it has a head portion that is configured to contact the inner annular surface.
US10520005B2 Floating nut
A cage nut and a method of installing a cage nut include a nut with a tubular body and a flange, and a nut support having a nut cage for receiving the nut. The nut support includes a tubular portion wherein an external surface of the tubular portion includes longitudinal splines having a diameter smaller than a diameter of a bore of a workpiece, and at least two longitudinal ribs having a diameter greater than the diameter of the bore.
US10519998B2 Expansion anchor having a double coating
An expansion anchor, including at least one anchor body as a first element and at least one bolt as a second element, wherein the bolt has an expansion body, which pushes the anchor body radially outward when the expansion body is moved in an extraction direction in relation to the anchor body is provided. A double coating having an inner layer and an outer layer covering the inner layer is provided on one of the two elements in an area of contact with the other element, wherein the outer layer has a coefficient of friction with respect to the other element that is greater than a coefficient of friction of the inner layer with respect to the other element.
US10519995B2 Dual-threaded screw structure
The dual-threaded screw structure 1 has a first thread (S1) and a second thread (S2) with various leads formed on the dual-thread portion and has a function of preventing loosening without insufficiency in strength of the dual-thread portion. This dual-thread portion is composed of a first thread (S1) consisting of a coarse thread with a standard pitch P and a specific second thread (S2). The second thread (S2) is formed continuously on the thread ridge of the first thread (S1). The second thread (S2) has a sectional shape of this thread groove same as or substantially same as the first thread (S1), has a same twisting direction as the first thread (S1) and is a multi-threaded thread having threads with a triangular sectional shape and having a lead (L=n*P) a determined number (n)-times of a standard pitch P.
US10519994B2 Mounting arrangement
A mounting arrangement 10 for mounting a dog guard 12 in a vehicle. The mounting arrangement 10 includes a bracket part 22 mountable to the dog guard 12. The bracket part 22 includes an opening 30 with a concave contact surface 34 around the opening 30. A fixing member 36 is provided threadably mountable to the end of a bar 52 which extends through the opening 30. The fixing member 36 has a sleeve 44 with a lower convex annular contact surface 48 engageable against the bracket part contact surface 34. The other end of the bar 52 is engageable with for instance a fixing hook provided on the floor of the boot of a car.
US10519990B2 Hydraulic apparatus
The hydraulic apparatus is set so that the ratio of the pressure-receiving area of the respective bottom oil chambers of the boom cylinder, the arm cylinder and the bucket cylinder to the pressure-receiving area of the respective rod oil chambers matches the ratio of the extruded volume drawn into or discharged from the bottom oil chambers per single rotation by the respective extrusion members of the first hydraulic pump motor, the second hydraulic pump motor and the third hydraulic pump motor to the volume discharged from or drawn into the rod oil chambers.
US10519988B2 Pressure retaining valve
A pressure retaining valve (1) has a main control piston (39) guided longitudinally displaceably in a single-piece or multiple-piece valve housing (29) and a non-return piston (43). In a pressure retaining position, a fluid-conducting connection between connection points (37a, 37b, 21) is shut off by the two pistons (39, 43). Connection point (37a) serves to feed media. Connection point (37b) discharges media. Connection point (21) leads to a hydraulic consumer. In a load-raising position, the two pistons (43) move relative to one another into a release position, in which the connection between the medium feed (37a) and the consumer is established. In a load-reducing position, the two pistons (39, 43) assume a spacing from one another such that the connection between the medium discharge (37b) and the consumer is established. A monitoring device (75) determines the individual switching positions of the pistons (39, 43) to ensure reliable functioning of the pressure retaining valve (1).
US10519986B2 Actuator
An actuator, such as a pressure actuator or a vacuum actuator, has a housing and a plunger that is guided through the housing. A diaphragm is connected to the housing and to the plunger and forms a gas-tight pressure chamber with the housing. A pressure medium connector is provided on the housing and communicates with the pressure chamber to pressurize the pressure chamber. A braking element is provided on the plunger and enables a braking force can be exerted on the plunger.
US10519982B2 De-blocking device for a hydraulic pump
A de-blocking device for a hydraulic pump includes a can having a longitudinal axis and a conduit extending longitudinally along the longitudinal axis and having a first terminal aperture. The device further includes a bearing fixedly positioned in the conduit spaced from the first terminal aperture, and a plunger axially movably positioned in the conduit between the bearing and the first terminal aperture. A biasing element is positioned between the bearing and the plunger wherein the movement of the plunger toward the bearing compresses the biasing element.
US10519977B2 Centrifugal pump
A centrifugal pump is provided, which includes a rotor assembly and a shaft. The rotor assembly includes an injection molded body and a shaft sleeve, the rotor assembly is injection molded taking the shaft sleeve as an injection molding insert, and the impeller injection molded body and the shaft sleeve are fixed by injection molding. The rotor assembly is rotatably supported on the shaft by the shaft sleeve, and the shaft sleeve is processed by injection molding or forging. The shaft sleeve is of a hollow structure, and the shaft sleeve includes a body. A central hole is formed in the body. The shaft sleeve further includes an impeller limiting portion configured to limit a rotating movement and an axial movement of the shaft sleeve with respect to the injection molded body.
US10519974B2 Multi-piece compressor housing for a turbocharger
A compressor housing for a turbocharger includes an outer housing structure, an inner housing structure, and a rear housing structure. The outer housing structure includes a first tubular portion and a first radial portion extending radially outward of the first tubular portion. The inner housing structure includes a second tubular portion and a second radial portion extending radially outward of the second tubular portion. The rear housing structure includes an inner radial portion and an outer radial portion extending radially outward of the inner radial portion. The outer housing structure, the inner housing structure, and the rear housing structure are formed separately from each other and are coupled to each other. A recirculation cavity is defined radially between the first tubular portion and the second tubular portion. A volute is cooperatively formed by the first radial portion and the outer radial portion.
US10519969B2 Centrifugal fan
A centrifugal fan is provided. The centrifugal fan comprises a housing and an impeller. The housing includes an upper cover and a lower cover. The impeller is configured in the housing. The impeller includes a hub, a plurality of blades and an air guiding structure. The hub is pivoted on the lower cover and rotates around a rotation axis. The rotation axis extends in the axial direction. The blades are connected to a peripheral surface of the hub and configured between the upper cover and the lower cover. The air guiding structure is connected to the blades. An angle between the air guiding structure and the rotation axis increases along with a distance in the direction away from the hub.
US10519967B2 Seal ring mounting method for turbocharger, and turbocharger
It is intended to provide a seal ring mounting method for a turbocharger and a turbocharger with the seal ring, whereby the seal ring is less likely to be affected by other parts. An annular protrusion (12j) for restricting a position of a seal ring (16) in the radial direction is provided at a tip portion (12h) of an inner peripheral wall (12b) of a turbine housing (12), and the seal ring (16) is mounted between a side surface (36c) of a nozzle plate (36) and a first step portion (12k) of the tip portion (12h) of the inner peripheral wall (12b) so that the outer periphery of the seal ring (16) is restrained by the annular projection (12j).
US10519965B2 Method and system for fiber reinforced composite panels
A composite panel structure and a method of fabricating the composite panel structure are provided. A fan assembly includes a plurality of blades circumferentially spaced about a fan disk. Each blade of the plurality of blades extends radially outwardly from the disk to a blade tip. A fan case assembly circumscribes the plurality of blades. The fan case assembly includes a radially outer casing including a radially inner side, an inner structure including an inner surface and a honeycomb layer extending along the radially inner side, and a composite panel structure including an inner surface and extending circumferentially along the inner structure inner surface. The composite panel structure includes short fiber tows extending only partially along at least one of a circumferential path, an axial path, and a diagonal path in the composite panel structure.
US10519961B2 Ventilation device
A ventilation device includes AC voltage estimation unit (32) for estimating an AC voltage, based on a DC voltage detected by voltage detection unit (30) and a current detected by current detection unit (20). Air volume computation unit (24) determines a rotation speed of a motor, based on the AC voltage estimated by AC voltage estimation unit (32) and a target air volume output from a target air volume computation unit.
US10519954B2 Compressor with oil management system
A compressor according to the present disclosure includes a shell, a main bearing housing disposed within the shell, a driveshaft supported by the main bearing housing, a non-orbiting scroll member coupled to the main bearing housing, and an orbiting scroll member rotatably coupled to the driveshaft and meshingly engaged with the non-orbiting scroll member. The non-orbiting scroll member forms a suction pocket and at least one circumferential groove. The orbiting scroll member forms a lubricant passage that delivers lubricant from a lubricant source directly to at least one of the suction pocket and the at least one circumferential groove.
US10519946B2 Peristaltic pump and method of transporting material with a peristaltic pump
A peristaltic pump comprises a tube to transport a material in a transport direction and one or more piezoelements, which are configured to cause a squeezing of the tube. Furthermore, a method of transporting material comprises the step of successively actuating the piezoelements along the transport direction of the material and thereby causing a squeezing of the tube.
US10519945B2 Method for generating a flow of fluid
A method for generating a flow of fluid, implemented in a device including a membrane (2) provided with at least one hole (20) and elements (4) generating back-and-forth movements, wherein a flow is generated through the membrane by actuating the membrane, at least in the region of the at least one hole (20), according to a mode of deformation of the at least one hole, causing the at least one hole to open and close and disturbing the fluid in order to generate the flow. The device suitable for implementing the method is also described.
US10519943B2 Concrete pump system and method
A pump system/method configured to provide substantially constant flow of concrete, cement, or other material is disclosed. The system integrates a trapezoidal cutting ring and spectacle plate in conjunction with lofted transitional interfaces to the hydraulic pump cylinder rams and output ejection port to ensure that pressurized discharge concrete material is not allowed to be relaxed nor backflow into the material sourcing hopper. The trapezoidal cutting ring is configured to completely seal off the trapezoidal spectacle ports as it smoothly transitions between the hydraulic pump input ports during cycle changes thus generating a more uniform output flow of concrete while eliminating hopper backflow and hydraulic fluid shock. A control system is configured to coordinate operation of the hydraulic pump cylinder rams and cutting ring to ensure that output ejection port pressure and material flow is maintained at a relatively constant level throughout all portions of the pumping cycle.
US10519941B2 Flow control apparatus
Provided is a flow control apparatus including a flow passage having a tube pump placed therein, a flow meter placed downstream of the tube pump in the flow direction, the flow meter measuring a flow rate of liquid passing the flow passage, and a flow controller controlling a liquid output of the tube pump so that the flow rate measured by the flow meter matches a target flow rate. The flow passage includes a straight tubular second flow passage that is flexible to be elastically deformed by the pressure of the liquid, the second flow passage being placed downstream of the tube pump in the flow direction, and a third flow passage at which a cross-sectional flow area of the flow passage in a plane orthogonal to the flow direction is smallest, the third flow passage being placed downstream of the second flow passage in the flow direction.
US10519940B2 Hydraulic drive system for a linearly actuated hydraulic piston pump
A linearly actuated hydraulic piston pump is provided. The pump includes a piston disposed between a first section and a second section of a piston chamber. The pump also includes a control valve having a valve body defining a valve chamber therein. The control valve also includes an inlet port, a first port, a regeneration port, a second port, and a spool. The spool in a first spool position fluidly couples a pressurized fluid source to the first section via the inlet port and the first port, and fluidly couples an accumulator to the second section via the regeneration port and the second port. The spool in the second spool position fluidly couples the first section to a drain via the first port and a drain port, and fluidly couples the second section to the pressurized fluid source via the inlet port and the second port.
US10519939B2 Hydrostatic axial piston machine
A hydrostatic axial piston machine has a housing. In the housing of the hydrostatic axial piston machine, an actuating pressure cylinder is formed at an angle to the drive shaft. A control valve is inserted into the actuating pressure cylinder in a cartridge type of design. In order to enable maximum movement of an actuating piston in the direction toward the control valve, the cartridge is of shortened design. To this end, an actuating pressure port, which is arranged between a high-pressure port and a low-pressure port, and an actuating pressure passage are arranged completely inside the cartridge.
US10519938B2 Spring device
A spring device for the motion drive of a movable component from a rest position into a displaced position includes a gas spring and a preloaded spring, the movable component being loaded into the displaced position by a preloaded spring. The gas spring includes a pressurized gas-filled cylinder with a first end closed by a first end plate and a second end closed by a second end plate. A piston divides the interior of the cylinder into a first working chamber and a second working chamber. The piston having a first piston rod extending through the first working chamber and through the first end plate in a sealed manner, a free end of the first piston rod being fixed to the movable component or a stationary component, and a second piston rod extending through the second working chamber and through the second end plate in a sealed manner.
US10519934B2 Modular coupling of a wind turbine gearbox to a generator
An assembly for use in a drive-train of a wind turbine having a transmission, a generator and a module. The module includes a shaft or hub, at least one bearing and a support structure. The shaft of the module or the hub is mounted by the bearing so as to rotate in the support structure. The shaft or the hub can be connected in a rotationally fixed manner to a shaft of the transmission. A rotor of the generator can be fixed to the shaft of the module or to the hub. The support structure can be fixed to a housing of the transmission or the generator. At least one assembly safety device is provided in order to be able to fix the rotor of the generator. When the rotor of the generator is fixed by way of the assembly safety device, the module can be fitted and removed.
US10519931B2 Systems and methods for generating an inertial response to a change in the voltage of an electrical grid
Systems, methods, and computer program products for providing an inertial response by a wind power system to power fluctuations in an electrical grid. The system includes a synthetic inertial response generator configured to generate a power offset in response to fluctuations in grid voltage. The power offset signal is generated by determining a quadrature component the grid voltage using an internal reference voltage having an angular frequency and phase angle that is synchronized to the electrical grid by a control loop. The quadrature component is used to determine a synchronous power level. A control loop error signal is produced by the difference between the synchronous power level and the wind turbine system power output. Changes in the grid frequency produce an error signal that is added to the power set point of wind turbine system output controllers to provide a power system inertial power output response.
US10519923B2 Near isothermal combined compressed gas/pumped-hydro electricity storage with waste heat recovery capabilities
Systems store energy mechanically at a first time and extract the energy at a later time. When excess electricity from renewable sources or during off-peak periods is available, a pump directs a working liquid (L) to pressurize a gas (G) that is confined within a pressure vessel. When electricity from renewable sources is not available or during periods of peak demand or pricing, the pressurized gas (G) directs the working liquid (L) through a hydropower turbine. The turbine drives a generator through a mechanical coupling to provide electricity for powering a load. In addition, the system can leverage (take) any waste heat as the input to boost the efficiency of the system. The described systems function at ground level and are modular and scalable in capacity.
US10519921B2 Ignition device for a two-stroke engine
The invention relates to an ignition device for triggering an ignition spark at a spark plug by way of an ignition generator. The latter includes a magnet wheel, which has two permanent magnets arranged at a spacing from each other in the peripheral direction and a magnetic yoke. The magnetic yoke carries a charging coil which charges an ignition capacitor, a primary coil and a secondary coil connected to the spark plug. During every passing of a permanent magnet, a voltage is induced in the coils, wherein, in order to trigger the ignition spark, the ignition capacitor is discharged via a switch element. In order to avoid an unwanted ignition at the bottom dead center of the piston, a device for reducing the voltage that occurs at the spark plug is provided.
US10519914B2 Fuel injection system and method of operating a fuel injection system
A fuel injection system for an engine of a vehicle may include an injector nozzle mounted in an injector bore formed in a cylinder head of the engine, wherein a tip portion of the injector nozzle is protrudingly formed into a combustion chamber, and having a positioning system configured to adjust an axial position of the injector nozzle in the injector bore. The invention further provides a method of operating the fuel injection system.
US10519912B2 Protective construction of fuel pump
The present invention provides a protective construction of a fuel pump. The protective construction includes a pump shield, disposed on an internal-combustion engine, wherein a specified interval exists at a carriage side of a vehicle in opposite to a high-pressure fuel pump and the pump shield overlaps the high-pressure fuel pump in a front and rear direction. The pump shield includes: a base portion having a width increasing gradually towards the high-pressure fuel pump; a left protective arm portion and a right protective arm portion, extending diagonally and integrally extend upwards from a specified location of the base portion to the side of the high-pressure fuel pump, wherein an interval between the left protective arm portion and the right protective arm portion increases gradually towards the high-pressure fuel pump, and a beam portion, integrally extending between the left protective arm portion and the right protective arm portion.
US10519911B2 Common rail multi-cylinder fuel pump with independent pumping plunger extension
A fuel pump for an internal combustion engine is provided comprising a barrel including a central bore having a longitudinal axis, a plunger disposed partially in the central bore and movable along the longitudinal axis, a spring retainer, a first coil spring having a proximal end in contact with a first section of the barrel and a distal end in contact with the spring retainer to urge the spring retainer into engagement with a tappet assembly, an extender element coupled to the plunger, and a second coil spring having a proximal end in contact with a second section of the barrel and a distal end in contact with the extender element to urge the plunger toward the spring retainer, wherein the extender element includes a counter-bore to couple the extender element to the plunger.
US10519908B2 Device for supplying fuel to engine
A merge and discharge unit has: a reservoir unit in which fuel can be collected; a first merge unit for merging into the reservoir unit the fuel from an upstream site upstream of the merge and discharge unit on a fuel supply route; a second merge unit for merging into the reservoir unit the fuel from a first fuel return route; a first discharge unit for discharging a portion of the fuel of the reservoir unit into a downstream site downstream of the merge and discharge unit on the fuel supply route; and a second discharge unit for discharging a remaining portion of the fuel of the reservoir unit into a second fuel return route.
US10519906B2 Native fuel module for spark ignition fuel injected engines
Some embodiments of the present disclosure include a system for allowing spark ignition fuel injected engines to function on a plurality of fuels. The system may include an engine system including an engine control module operatively attached to a fuel injector, and a fuel tank attached to the fuel injector, a fuel content sensor configured to sense a content of a fuel in the engine system before combustion of the fuel, and a fuel control module placed inline with the fuel injector and the fuel content sensor, the fuel control module configured to receive fuel content information from the fuel content sensor and make a change to the fuel injector pulse width based on the fuel content information, if necessary.
US10519905B2 Fuel system for a motor vehicle
A fuel system for a motor vehicle includes a fuel pump having a first pump outlet connectable to an engine fuel inlet and a second pump outlet, a fuel pump module including an internal volume, a fuel pump module outlet is arranged in the internal volume fluidically connected to the second pump outlet, and a fuel valve is fluidically connected to the second pump outlet. The fuel valve is operable to fluidically isolate the fuel pump from the fuel pump module when fuel in the internal volume reaches a selected fuel level.
US10519904B2 Vehicle air duct for reducing intake noise
An air duct for a vehicle functions to reduce intake noise and includes an outer housing configured having a pipe shape so that outside air is introduced into an engine therethrough. The air duct also has an inner pipe fixed in the outer housing so that an outer surface of the inner pipe is spaced apart from an inner surface of the outer housing, thereby partitioning the inside of the outer housing in a radial direction. A space between the inner pipe and the outer housing communicates with the inside of the inner pipe.
US10519900B2 Mist generating apparatus for use in a vehicle
The invention provides an apparatus for generating mist, having: a container adapted to accommodate a liquid, the container having an inlet for receiving an incoming fluid stream into the container, and an outlet via which an outgoing fluid stream exits the container; at least one agitator arranged in the container for agitating the accommodated liquid to generate droplets of the liquid; wherein the agitator is arranged to be driven by the incoming fluid stream, such that the generated liquid droplets are caused by the incoming fluid stream to form the outgoing fluid stream, and subsequently, exit the container. The invention also provides a system for generating mist, having: a plurality of the above described apparatuses, having at least a first apparatus having a first inlet and a first outlet, and a second apparatus having a second inlet and a second outlet; wherein the first outlet is adapted to be connected with the second inlet to thereby allow fluid communication between the first apparatus and the second apparatus.
US10519898B2 Fan variable area nozzle for a gas turbine engine fan nacelle with sliding actuation system
A linkage comprises a drive ring, a flap linkage mounted to each of a multiple of flaps and the drive ring, and an actuator system which drives the drive ring to cause the multiple of flaps to pivot. A method of driving a multiple of flaps is also disclosed.
US10519891B2 Control device for internal combustion engine
In order to provide a highly precise and highly responsive humidity detection means with which diagnosis is easy, this control device for an internal combustion engine is characterized in that two or more sensors for detecting the humidity of the atmosphere or a gas mixed with the atmosphere are provided in the middle of the flow in an intake air passage of the internal combustion engine, at least one of these sensors being a relative humidity sensor for detecting the relative humidity, at least one other of the sensors being an absolute humidity sensor for detecting the absolute humidity, and the relative humidity sensor being arranged upstream from the absolute humidity sensor.
US10519890B2 Engine parameter sampling and control method
A method for operating a fluid delivery system of a vehicle powerplant is provided. The method includes sampling a fluid pressure in a port injection section of the fluid delivery system, determining if an isolation valve positioned upstream of a direct injection pump is degraded based on the fluid pressure, where the isolation valve separates the port injection section from a direct injection section, and when it is determined that the isolation valve is degraded, indicating said degradation of the isolation valve.
US10519888B2 Fuel system diagnostics
A method and apparatus for in situ operating an internal combustion engine comprising determining at least one combustion characteristic for a combustion chamber of the internal combustion engine, comprising an actual heat release signal for the combustion chamber; and inputting the actual heat release signal into a diagnostic logic tree for diagnosing changes in combustion characteristics due to at least one of: a malfunctioning fuel injector, a start of combustion timing error; and a change in fuel quality; and performing a mitigation technique to compensate for the changes in combustion characteristics.
US10519887B1 External mass air flow sensor for diagnosing the internal combustion engine
The present invention is one in which an off board Mass Air Flow (MAF) sensor is used to diagnose the internal combustion engine. The MAF sensor is connected to the air induction system of the engine. The sensor is then powered from the vehicles battery. The MAF sensor is designed for lower air flow rates produced from the engine such as; crank, idle, and light load. The sensor creates an output voltage that is proportional to the volumetric air flow of each cylinder entering the engine. This MAF voltage output signal is then used to diagnose engine pumping issues.
US10519886B2 Air flow rate measuring device
The present disclosure provides an air flow rate measuring including a casing and a sensor. The casing includes a main-bypass passage that defines an inlet and an outlet, a sub-bypass passage that branches off from the main-bypass passage at a branching area, and a guiding wall that changes, at a position upstream of the branching area, a flow direction of the passing air taken in from the inlet. The inlet and the guiding wall are arranged in an arranging direction along a flow direction of the intake air in the duct. The guiding wall includes an inlet side surface that faces the inlet and is not perpendicular to the arranging direction.
US10519885B2 Control apparatus for engine
A control apparatus for an engine includes a rotation detector, a fuel injection device, and an output controller. The output controller calculates an emission amount of the pollutant and calculates an accumulated emission amount of a pollutant for a period of time. The output controller calculates a maximum allowable emission amount of the pollutant for a period of time. The output controller calculates a difference between the accumulated emission amount of pollutant and the maximum allowable emission amount of the pollutant. The output controller calculates a first output index by dividing the difference by the period of time. The output controller sets the allowable range for the output of the engine so that the emission amount of pollutant becomes equal to or less than the first output index.