最新美国发明专利
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US08452385B2 Method and system of auditory evoked heart rate variability analysis
The present invention provides a method and system of auditory evoked heart rate variability analysis having advantage of simply analytical process and portability. The disclosed method mainly includes the following steps of: stimulating the auditory system of a person by a sound through a sound transmission device, capturing an electrocardiogram signal of the person, performing analog-to-digital conversion of the electrocardiogram signal, selecting the peaks of the electrocardiogram signal and transforming the qualified peaks to a consecutive peak signal, and performing spectrum analysis to the peak signal in frequency domain, and obtaining the difference of the spectral parameters before and after the evoked sounds. Moreover, the sound further is selected from the group consisting of noise, short tone burst, click, and any other sound with the intensity of 30 dB to 100 dB. By comparing the heart rate variability analysis before or after sound stimulation in order to get the differences, the disclosed method and system of auditory evoked heart rate variability analysis can evaluate a changing index of stimulated autonomic functions.
US08452383B2 Temperature profile mapping and guided thermotherapy
Techniques, apparatus and systems that use an optical probe head to deliver light to a target and to collect light from the target for imaging and monitoring a target while a separate radiation is applied to treat the target.
US08452382B1 Non-contact thermometer sensing a carotid artery
Systems, methods and apparatus are provided through which in some implementations a non-contact thermometer determines a temperature of a subject from a carotid source point of the subject.
US08452377B2 Coil assembly for guiding a magnetic object in a workspace
A coil assembly for guiding a magnetic object, such as an endoscopy capsule, in a workspace, wherein the magnetic object exhibits a magnetic dipole, includes different versions of coil assemblies having a number of individual coils and corresponding activation units for feeding current to the respective coils. The coil arrangement can have exactly eleven individual coils and eight power amplifiers, nine individual coils and seven power amplifiers, eight individual coils with six or seven power amplifiers, six individual coils with five power amplifiers, and five individual coils with five power amplifiers.
US08452373B2 Diffusion tensor imaging-based alzheimer's diagnosis method
A system and method is provided in which a diffusion tensor image of the gray matter of a subject's brain is recorded. The diffusion tensor image is used to determine the Fractional Anisotropy of that area of the subject's brain. It has been determined that a decrease in Fractional Anisotropy is related to a decrease in dendritic quality and/or quantity in the subject's brain, which is typically caused by the presence of Alzheimer's Disease. Consequently, the Fractional Anisotropy determination is used to diagnosis the presence of Alzheimer's Disease.
US08452370B2 Single and multi-needle electromyographic (EMG) recording electrode configurations for intraoperative nerve integrity monitoring
Several configurations for single and multi-needle electromyographic (EMG) recording electrodes for intraoperative nerve integrity monitoring are disclosed, one of which may concern a multi-needle electrode including one or more cables that are connected directly or indirectly to a nerve integrity monitor, a single hub connected to the one or more cables, and at least two needle electrodes connected to the single hub each having first and second bends along the line of insertion into a patient, wherein the first bend occurs at the hub connection in a downward direction and the second bend occurs in an upward direction from the first bend creating a proximal needle segment from the hub to the second bend and a terminal needle segment from the second bend to the end of each needle.
US08452369B2 CMOS compatible microneedle structures
The present invention provides an electronic device for sensing and/or actuating, the electronic device comprising at least one microneedle (10) on a substrate (1), each of the microneedles (10) comprising at least one channel (7, 8) surrounded by an insulating layer (6). The present invention also provides a method for making such an electronic device for sensing and/or actuating.
US08452368B2 Transcutaneous analyte sensor
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
US08452367B2 Forehead sensor placement
Forehead oximetry sensor devices and methods for determining physiological parameters using forehead oximetry sensors. One method includes placing an oximetry sensor on the forehead of a patient, such that the sensor is placed on the lower forehead region, above the eyebrow with the sensor optics placed lateral of the iris and proximal the temple; and operating the pulse oximeter to obtain the physiological parameter. In one aspect, the method also includes providing and placing a headband over the oximetry sensor, or alternately, the sensor is a headband-integrated sensor. The headband has an elastic segment sized to fit around the patient's head. The headband also includes a non-elastic segment that is smaller than and attached with the elastic segment. The non-elastic segment is sized to span a portion of the elastic segment when the elastic segment is stretched. In addition, the non-elastic segment is larger than the portion of the elastic segment it spans when the elastic segment is not stretched. When the headband or the headband-integrated sensor is sufficiently tight, it delivers a pressure in the range higher than the venous pressure and lower than the capillary pressure to the forehead of the patient.
US08452366B2 Medical monitoring device with flexible circuitry
Embodiments described herein may include systems and methods for monitoring physiological parameters of a patient. Specifically, embodiments disclose the use of a flexible circuitry in a medical sensor that is small and lightweight and easily bendable, such that it may be comfortably affixed to a patient while also providing added electronic functions, such as digital conversion and wireless capability.
US08452361B2 Ocular sensor for the detection of an analyte in eye water
An ocular sensor (110) is proposed for verification of at least one analyte in an eye fluid. The ocular sensor (110) is composed of at least one sensor material which is designed to change at least one optical characteristic in the presence of the at least one analyte. Furthermore, the ocular sensor (110) comprises at least one sensor chip which has at least one integrated optical detector (122) for verification of the optical characteristic. A measurement system (166) is also proposed for verification of at least one analyte in an eye fluid, which measurement system (166) comprises an ocular sensor (110) according to the invention as well as an evaluation unit (168) which is designed to interchange information with the sensor chip (118).
US08452352B2 Systems and methods for predicting battery drain time caused by smartphone applications
Predicting battery drain time that would be caused by a new application being considered for a smartphone. The battery drain time prediction is based on the type of smartphone and type of battery, the battery age, and hardware subunit usage levels. The system may provide a watchdog service for monitoring and storing data of user's smartphone which may then be used to create a user profile. Upon receiving a request for a battery drain time prediction, the system matches the profile of the user's smartphone with an existing profile in the repository having pre-installation and post-installation data for the application being considered. The matching user profile can be used to predict battery drain time that will be caused by the new application.
US08452351B2 Methods and apparatus for saving battery power in mobile stations
A base station may be configured so that it operates in accordance with certain MAP transmission rules that may enable mobile stations to save battery power in certain situations. Upon receiving a MAP message, a mobile station may determine whether there is a burst allocated for the mobile station in the current frame by determining the value of at least one of the following: an idle users bit in the SUB-MAP pointer information element (IE), and a sleep users bit in the SUB-MAP pointer IE. The mobile station may discontinue processing of the MAP message and power down one or more components of the mobile station if there is not a burst allocated for the mobile station in the current frame.
US08452347B2 Headset and audio gateway system for execution of voice input driven applications
A system including a headset and an audio gateway, and software applications that may be used with such headsets and gateways. The headset enables a user to discover and interact with applications resident on the headset, gateway, or a network accessible by the gateway. The headset functions as an application platform for the control and execution of the applications. The invention includes a method for providing a service to a user of the headset. The method involves the headset performing service discovery on the audio gateway to determine a method of transferring an application to the audio gateway, where the application provides the service. The headset causes the application to be transferred to the audio gateway using a method based on the service discovery, and the audio gateway executes the application, enabling the user to issue voice commands that are executed by the audio gateway to provide the service.
US08452346B1 Programmable time-based ringtone setting in a mobile station
To address a time related problem with mobile station ringtones, such as sleep disturbing ringtone generation, a mobile station may be configured to offer the user an option or feature such as might enable programming of ringtone settings as a function of one or more time periods. When the feature is selected, it allows the user to program settings configuring the device to adjust one or more controllable parameters of ringtone for incoming calls and/or incoming messages based on current time in relation to the time program settings. For example, the user might set different ringtone settings for different time slots for each day and/or different time slots on certain days of the week.
US08452345B2 Portable terminal and driving method of messenger program in portable terminal
A portable terminal is provided to inform a user of status information via vibration pattern. The portable terminal may include a vibration generation unit for vibrating the portable terminal and a controller changing status information of a messenger program or a member relative to the messenger program to a vibration pattern while performing the messenger program, and the controller controlling the operation of the vibration generation unit in response to the vibration pattern such that the portable terminal can perform a messenger service by way of an interface unit using tactile sensation to enhance a user's convenience and satisfaction.
US08452344B2 Method and device for embedding event notification into multimedia content
Methods and apparatuses for embedding event notification into multimedia content being reproduced on an electronic device are provided herein. The method may include causing reproduction of multimedia content on said electronic device, detecting an event that requires notification of a user of said electronic device and responsive thereto applying a modification to said reproduction of said multimedia content, according to said event, wherein said modification achieves a user-perceivable variation in said reproduced multimedia content.
US08452343B2 Portable terminal
A portable terminal includes an output device configured to output a ringing tone, a vibrator configured to generate vibration, and a first controller configured to detect a missed call indicating that an incoming call response operation is not performed, and a second controller coupled to the first controller. The second controller is configured, if the first controller detects the missed call, to notify a missed call notification at predetermined time intervals by at least one of the ringing tone output from the output device and the vibration generated by the vibrator, the missed call notification indicating that a response operation for the missed call is not performed.
US08452341B2 Input processing method of mobile terminal and device for performing the same
An input processing method of a mobile terminal and a device performing the same are disclosed. Information on a user facility performed by a touch event generated at an area of the mobile terminal is compared with voice sensing data collected through a microphone to perform a specific user facility. As a result, erroneous touch event and imprecision generated during the voice sensing are improved.
US08452340B2 User-selectable headset equalizer for voice calls
A method of providing a user interface on a mobile device for enabling a user to select acoustic equalizer settings for voice call downlink audio signals, the mobile device including an internal microprocessor, a display in communication with the microprocessor, and at least one input means in communication with the microprocessor, the method including receiving a request from the user for displaying the user interface, in response to the request, displaying the user interface on the display, the user interface including a plurality of predetermined acoustic equalizer settings, wherein the user selects one of the equalizer settings using the input means, receiving the selected equalizer setting at the microprocessor, storing the selected equalizer setting at the microprocessor, and processing the voice call downlink audio signals according to the selected equalizer setting.
US08452334B2 Method of precoding with a codebook for a wireless system
A quantized multi-rank beamforming scheme for multiple-antenna systems such as a multiple-input-multiple-output (MIMO) wireless downlink. User equipment (UE) estimates downlink channel and transmit power and determines rank and power allocations. A quantized beamforming matrix is then determined by the UE using successive beamforming. The UE also determines channel quality indices (CQI) which it feeds-back to the wireless downlink base station along with the index of the quantized beamforming matrix. The base station uses the CQI information to select a UE for scheduling of downlink transmission and the quantized beamforming matrix index received from the selected UE to beamform the downlink transmission to the UE. Base station overhead and is minimized while providing near-optimal performance given the constraints of a limited feed-back channel and computational complexity of the UE.
US08452333B2 Feeder cable reduction
The present invention facilitates the reduction of cabling required in a base station environment. When receive diversity is employed, main and diversity antennas are used to receive common signals at different locations. The signals received at the main and diversity antennas are combined with one another in the masthead and transmitted over a single feeder cable to a base housing for further processing. Thus, signals that were normally sent over separate feeder cables and combined in the base housing are combined in the masthead and sent over a single feeder cable. The technique can be replicated for each sector provided by the base station environment.
US08452328B2 Method and system of sharing a controller for a combined cellular phone and satellite radio
A method (300) and system (100) for sharing a controller for a combined cellular phone and satellite radio includes a cellular phone module (102), a satellite radio module (106), and a controller module (108) having a digital signal processor (120) shared by the cellular and satellite modules. A base band processor (118) of the satellite module can provide a digital audio output (107) to a stereo decoder (122) of the controller module and a base band module (112) of the cellular phone module can provide a digital audio output (109) to the stereo decoder. The base band processor of the satellite module can provide compressed audio (111) to the DSP for longer term storage within a memory (129). The DSP can also receive control signaling (113) from the base band processor of the satellite radio module and control signaling (117) from the base band processor of the cellular phone module.
US08452326B2 Arrangement and method relating to connection of mobile stations
The present invention relates to an arrangement supporting dual mode operation or communication with a core network node using a first and a second mode via a first and a second interface respectively. It comprises parameter handling means adapted to collect or receive first parameters comprising configurable traffic load related parameters and second parameters comprising current network traffic dependent parameters. It also comprises selecting means comprising calculating means adapted to use the configurable parameters and the current parameters of the parameter handling means to select the first or the second mode as operation mode for a connection of a mobile station to the core network.
US08452318B2 Method and systems for power overload control of the trunking group forward supplemental channel
A higher limit of forward supplemental channel transmitting power of sector trunking group users is reduced or increased correspondingly based on whether sector power is overload, and it is set as a target maximum transmitting power of trunking group forward supplemental channels; the trunking group users are divided into groups based on channel board, and an adjusting step size is determined based on a ratio between trunking group combining transmitting power of the users divided and forward supplemental channel shared transmitting power of the sector trunking group, and a comparison between the forward supplemental channel shared transmitting power of the sector trunking group and target maximum transmitting power of the trunking group forward supplemental channels, and the higher limit of the forward supplemental channel transmitting power of sector trunking group is adjusted based on the adjusting step size.
US08452315B1 Apparatus, method and computer-readable medium for dispatch group calling across fleets
An apparatus, method and computer-readable medium for controlling dispatch voice communications between fleets in a network are provided. The apparatus includes a multi-fleet dispatch console configured to receive a request for a dispatch group call including dispatch stations in a plurality of fleets and to establish the dispatch group call based upon the request. The multi-fleet dispatch console has a higher priority than any other dispatch console in the network. According to the method, the multi-fleet dispatch console may also determine whether a requestor of the dispatch group call is authorized to establish the requested dispatch group call and output an authorization denial message, if the requestor is not authorized to establish the dispatch group call. Additionally, the multi-fleet dispatch console may drop unavailable dispatch stations from existing group calls, if a priority of the request exceeds a priority of the existing group calls.
US08452312B1 Dynamic paging for hybrid mobile stations
Methods and systems are disclosed herein that may help to improve the paging success rate for hybrid mobile stations, which in turn may help to prevent dropped calls. An exemplary method for paging an access terminal involves an access network: (a) before transmission of a page to an access terminal, determining whether or not the access terminal is a hybrid access terminal; (b) if the access terminal is not a hybrid access terminal, then selecting standard page settings for the page; (c) if the access terminal is a hybrid access terminal, then selecting adjusted page settings for the page, wherein the adjusted page settings increase the probability that the access terminal will successfully receive the page; and (d) applying the selected page settings and transmitting the page. To help increase the probability that the access terminal will successfully receive the page, the adjusted page settings for the page may involve setting that reduces or disables concatenation of the page and/or an increased page-transmission power.
US08452311B1 Sleep estimator for cellular telephones
A method for waking up user equipment in a cellular network includes waking up a receiver module at a predetermined wakeup time to receive a transmitted paging signal, when awake, determining prevailing conditions for receiving paging signals, and skipping at least a next possible wakeup time if at least one of the prevailing conditions exceeds an associated threshold level. A user equipment for use on a mobile communications network includes a reception quality determiner to determine at least one of a reception quality of a received signal and a radio frequency (RF) level of the signal, a paging indication processor to process received paging signals, a system message handler to determine a level of activity for a cellular network, and a conditional wakeup mechanism that is configured to set a next wakeup for the user equipment time responsively to an input from at least one of the reception quality determiner and the system message handler.
US08452310B1 Method for generating coverage maps for wireless networks with mobile devices
A coverage map for a wireless network is generated. The network includes a server communicating with clients in a coverage area. The clients are mobile devices. At the server, location and reliability information from each client is received. The server then constructs and maintains the coverage map according to the location and reliability information. The coverage map is used to deliver telematic information from the server to the clients in response to requests by the clients.
US08452305B2 Regulation of service in restricted telecommunication service area
System(s) and method(s) are provided to regulate telecommunication service in a confined area in which telecommunication is restricted. Regulation includes control of wireless resources and access thereto, and monitoring wireless activity and locating sources thereof within the confined area. Regulation can be accomplished through networked femtocell access points and distributed antenna systems. Control of wireless resources is accomplished through selective jamming within the confined area; selective jamming can be updated based on performance metrics of telecommunication service. Configurable lists that authorize mobile device(s) to consume wireless service within the confined area control access to wireless resources. Access can be granted or denied statically or dynamically. Monitoring of wireless activity within the confined area includes tracking and recordation of signaling or traffic activity. The monitoring of signaling activity can enable location of a source of wireless activity, while monitoring of traffic can lead to identification of a user thereof.
US08452303B2 Reduction of wireless communication costs in enterprises
Methods and apparatus are disclosed for reducing wireless telecommunication costs for enterprises having a plurality of PBX-equipped sites, connected by either a public network (e.g., the PSTN, the Internet, etc.), a private network (e.g., leased lines, a virtual private network [VPN] over the Internet, etc.), or some combination of public and private networks. In particular, the illustrative embodiments of the present invention attempt to reduce telecommunication costs by advantageously routing calls from an off-premises wireless terminal belonging to the enterprise via one or more of the enterprise's private branch exchanges. The present invention is especially advantageous in that it can reduce telecommunication costs for calls from an off-premises wireless terminal to any type of destination: another cell phone, a wireline terminal, a private branch exchange, etc.
US08452302B2 Dynamic bandwidth and access management
In one or more embodiments, one or more methods and/or systems described can perform determining that a first demand by a group of mobile devices for a first bandwidth of a first data communication path exceeds the first bandwidth; wirelessly coupling to a second data communication path; receiving, via the first data communication path, first data at or below the first bandwidth of the first data communication path; transmitting the first data to the mobile devices; receiving, via the second data communication path, second data at or below a second bandwidth of the second data communication path; and transmitting the second data to the mobile devices. In one or more embodiments, wirelessly coupling to the second data communication path can include wirelessly coupling to a wireless access point. In one or more embodiments, the wireless access point can be included in a satellite that orbits a planet.
US08452300B2 Communication system including a FEMTO base station and a communication terminal, and a communication method thereof
Apparatuses and methods of transmitting a signal with reduced interference in a femto base station including a plurality of antennas having different radiation patterns are provided. A method includes transmitting common information through the plurality of antennas having the different radiation patterns; receiving feedback information corresponding to the common information; analyzing the feedback information; temporarily selecting one of the plurality of antennas as a transmission antenna, based on a result of the analyzing; and transmitting user information through the transmission antenna.
US08452297B2 Method of random access channel optimization and related communication device
A method of random access channel (RACH) optimization for a mobile device in a wireless communication system is disclosed. The method comprises receiving a system information message for RACH configuration optimization, from a network of the wireless communication system, and determining whether to send a first RACH measurement report, used for the network to perform the RACH configuration optimization, to the network, according to existence of a field in the system information message.
US08452294B2 In-band ate indicator methods and apparatus
Downlink traffic channel data rate options and methods of indicating to a wireless terminal a utilized downlink data rate option are described. The downlink traffic channel rate option for a segment is conveyed using an assignment signal and/or a block in the downlink traffic channel segment which is not used for user data. Downlink segment assignment signals in some implementations allocate fewer bits for rate option indication than are required to uniquely identify each option. In some implementations low rate options, e.g., using QPSK, are uniquely identified via assignment signals. Higher rate options, e.g., using QAM16 modulation, are conveyed via the distinct information block in the downlink traffic segment using a first coding/modulation method. Still higher rate options, e.g., using QAM16, QAM64, or QAM256, are conveyed via the information block in the segment using a second coding/modulation method which is applied to the rate option information.
US08452289B2 Method and system for performing peer-to-peer communication between stations within a basic service set
A method and system for performing peer-to-peer wireless communication between stations (STAs) within a basic service set (BSS) while maintaining connectivity with an access point (AP) in the BSS are disclosed. A source STA, an AP and a destination STA negotiate a direct link setup (DLS) channel for performing peer-to-peer communication between the source STA and the destination STA. The DLS channel may be different from a BSS channel used for communication between the AP and each of the STAs. The source STA and the destination STA then perform peer-to-peer communication on the negotiated DLS channel.
US08452288B2 Method for handover with consideration of the neighbor base stations' circumstances
A method for a handover with consideration of neighbor base stations' circumstances is disclosed. The method for a handover with consideration of neighbor base stations' circumstances by a mobile station in a wireless communication system includes transmitting a handover request (MOB_MSHO-REQ) message to a serving base station, receiving a handover response (MOB_BSHO-RSP) message including a base stations list made with consideration of the neighbor base station's circumstances from the serving base station, and selecting a base station among neighbor base stations except some base stations of the base stations list and transmitting a handover indicate (MOB_HO_IND) message including a information of the selected base station to the serving base station.
US08452287B2 Communication system, parameter setting control apparatus and control method
This invention has as its object to implement dynamic processing according to processing loads on access points in a wireless communication local network system including a plurality of independent wireless cells. According to this invention, a communication control method for a communication control apparatus, which controls a wireless communication in a wireless communication local network system including a plurality of independent wireless cells, includes: a step of determining the processing loads of respective APs; a step of selecting an STA, which is to associate with another independent wireless cell built using an AP with a low processing load by switching processing, of STAs, which associate with an independent wireless cell built using an AP with a high processing load; and a step of requesting to transmit parameter information required to associate with the other independent wireless cell.
US08452283B2 Femtocell base station and method thereof
The present invention relates to a method of a femtocell base station (1), for facilitating communication between a communication terminal (8) and a core network (4). The method comprises the femtocell base station (1) receiving a first message (11) from the communication terminal (8), the message (11) comprising a first message sequence number. The method also comprises the femtocell base station (1) producing a sequence number indicator arranged to indicate to the core network (4) to adjust (22) an expected message sequence number of the core network (4) to be synchronized with a corresponding message sequence number of the communication terminal (8). The method further comprises the femtocell base station (1) sending an update message (19a) to the core network (4), wherein the update message (19a) comprises the sequence number indicator. The invention also relates to a femtocell base station (1).
US08452280B2 Mobile radio terminal
If a control unit detects that it is located outside the service area, searching for a base station on the basis of information stored in a first list storage area is conducted with a certain cycle by a first searching means and searching for a base station on the basis of information stored in a second list storage area is conducted in a gradually extended cycle, in accordance with the number of times Cs of searching for the base station, by a second searching means.
US08452278B2 Inter-PLMN roaming
A method for facilitating inter-PLMN (Public Land Mobile Network) roaming comprises a plurality of operations. A home PLMN of a caller's wireless communication device performs an operation for determining that the caller's wireless communication device is not located in the home PLMN and, in response to determining that the caller's wireless communication device is not located in the home PLMN, an operation for facilitating a call routing service in a Service Control Point (SCP) of the home PLMN. The call routing service causes a call originated by the caller's wireless communication device while roaming in a visited PLMN to be routed back to a Gateway Mobile Switching Center (GMSC) of the home PLMN thereby allowing the home PLMN to have control over the roaming caller originated call and to have limited dependency on the visited PLMN.
US08452275B2 Methods and systems for increasing wireless traffic capacity in the vicinity of an event site
Network entity, method and computer-readable storage medium for use in a network that includes an arrangement of cell sites, each cell site being configured to provide wireless services to users within a respective coverage region. The network entity comprises an input configured to receive position information regarding occurrence of an event at an event site, and a processing entity configured to determine on a basis of the position information regarding occurrence of the event and policy information regarding the network, whether the event warrants coverage region reconfiguration and, if so, to generate a message commanding an adjustment to the coverage region of at least one cell site. An output is configured to release the message towards the at least one cell site, whereby application of the adjustment to the coverage region of the at least one cell site enables an increase in traffic to be accommodated in a vicinity of the event site.
US08452274B2 Global automatic cellular provisioning
The described method and system provide for the provisioning of a telematics unit on a telematics-equipped vehicle with cellular service information without pre-loading the information during manufacture of the vehicle or telematics unit. A telematics unit may be manufactured without cellular service information (e.g. MIN, MDN, carrier information) pre-loaded. At the vehicle assembly plant where the telematics unit is installed on a vehicle, the assembly plant's programming system may determine the final country destination for the vehicle and program the destination of the vehicle into the telematics unit. The assembly plant may further obtain vehicle attribute data (including a cellular identifier for the telematics unit) and send the data to a TSP. The TSP may then work with the wireless carrier in the destination country to assign the telematics unit a phone number and other cellular service information. After the telematics unit has determined that the vehicle is at the destination, the telematics unit may connect to a network using cellular commands to request an “over-the-air” cellular programming session. The wireless carrier may then push a phone number and other cellular service information into the telematics unit through the over-the-air cellular programming session.
US08452273B1 Systems and methods for determining mobile thing motion activity (MTMA) using accelerometer of wireless communication device
Systems, apparatus, and methods are disclosed for accurately identifying a moving thing motion activity (MTMA) associated with a mobile thing (MT) using only accelerometer data from a wireless communication device (WCD) transported by the MT so as to enable or initiate a further one or more activity based actions. One such method, among others, comprises: (a) receiving first and second data from an accelerometer associated with a wireless communication device (WCD) transported by a mobile thing (MT), the first and second data indicative of acceleration of the WCD; (b) determining reference data that defines a reference framework in two dimensions (2D) of space from the first data; (c) normalizing the second data with the reference data so that the second data can be analyzed in the 2D space; and (d) identifying a mobile thing motion activity (MTMA) associated with the MT based upon the normalized second data.
US08452269B2 Process for delivering, to a subscriber of a telecommunications network, content depending on the activity pattern subscribed to by said subscriber
The present invention relates to a process for delivering to a telecommunications network consuming subscriber (1, 1′) content uploaded by a creating subscriber (2) depending on the activity pattern subscribed to by said consuming subscriber, comprising: the consuming subscriber (1, 1′) configures an activity pattern by defining an activity profile related to the creating subscriber who creates said content and a content profile related to said content that he/she is interested in receiving, the creating subscriber (2) uploads content in a telecommunications network, an activity pattern subscriptions manager (50) obtains an activity profile on said creating subscriber, and obtains a content profile on said content uploaded by the creating subscriber, and the activity pattern subscriptions manager (50) compares said activity profile and content profile obtained for the creating subscriber with the activity profile and content profile configured by the consuming subscriber in the activity pattern, and in the event of matching notifies said consuming subscriber of said content.
US08452268B2 System and method for gathering information related to a geographical location of a callee in a public switched telephone network
In a telecommunication system having at least two communicants (i.e., a caller and a callee), a system and method are presented for collecting information associated with the geographical location of either of the communicants. In one embodiment, the approach entails receiving a geographical location corresponding to a public switched telephone network (PSTN) telephone number, and collecting geographical location information associated with the received geographical location.
US08452262B2 Terminal device
The present invention is a terminal device for transmitting and receiving mails, comprising: a mail receiving unit; a judging unit operable to judge whether a command declaration is included in a received mail; a command interpreting unit operable to extract and interpret a specific command following the command-declaration if the judgment of the judging unit is affirmative; a creating unit operable to create, if the specific command is interpreted as target list creation, a list of corresponding targets in memory of the terminal device; and a mail transmitting unit operable to create and transmit a mail having the created list as a mail main body and addressed to a requester.
US08452260B2 Methods and apparatus for unlocking an electronic device
The present disclosure provides methods and apparatus for unlocking an electronic device. In an embodiment, a process causes a device such as a smartphone to receive a sound input from a fixed position microphone and determine if the device should be unlocked based on a comparison of the sound input with a previously defined sound input.
US08452259B2 Modular personal network systems and methods
Modular personal networks (MPNs) are disclosed that include multiple devices that may be worn, carried, or used in close proximity to a user. The devices communicate wirelessly. Devices include security circuitry that prevents them from being used in a different MPN once the user has configured them. Devices not designed for use within an MPN can be included in the network using a bridge device. Devices can be integrated into items of jewelry, such as earrings, rings, pendants, and bracelets. One item of jewelry, such as a bracelet, can support multiple replaceable modules with variable functions. Functions of the MPN can include communications, entertainment, medical monitoring, sports monitoring, personal organization, and games. Multiple users each with his or her own MPN can use them to collaborate in creation of music. An MPN can be used for mobile recognition and logging of wildlife.
US08452255B2 Field device with dynamically adjustable power consumption radio frequency communication
A field device for use in an industrial process control or monitoring system includes terminals configured to connect to a two-wire process control loop configured to carry data and to provide power. In one embodiment, RF circuitry in the field device is configured for radio frequency communication having variable power consumption. In another embodiment, the RF circuitry is coupled to the field device through a separate digital communication bus. A method of modulating the power of RF communication based upon a process communication signal is also provided.
US08452250B2 DC offset compensation method and DC offset compensation device
A DC offset component that occurs in a quadrature modulation system, and that is contained in a modulated transmit signal, is compensated for with good accuracy. In a DC offset compensation method according to the present invention, a DC offset correction value obtained from the transmit signal is weighted in accordance with the signal level of an input signal which is transmit data input to the quadrature modulation system, and the DC offset component contained in the transmit signal is compensated for by using the thus weighted DC offset correction value.
US08452248B2 Multi-band RF combiner
An RF (radio frequency) combiner utilizes RF filtering cavities and transmission paths incorporated into an RF impervious material. This allows traditional stand-alone multiplexers to be integrated into a single device without using signal loss-inducing cables and connections between the multiplexers. The simplicity of the RF combiner allows for RF filters to be milled out of the same RF impervious material without requiring an external RF connection and avoids a cascading of multiple RF filters. In one instance, the RF combiner is employed with two BTS (base transceiver stations) to allow the sharing of antennas without the power losses associated with traditional cascading duplexers.
US08452247B2 Automatic gain control
In one example, a Bluetooth enabled navigation device pairs with a mobile phone and then sends a plurality of tuning transmissions, each at a different transmission power gain amount, to a remote server using the mobile phone. These tuning transmissions are encoded using frequency tones that synthesize speech for transmission through the mobile phone and a voice channel of its wireless telecommunications network. The navigation device then tunes transmit power settings according to a received response to the tuning transmissions and uses the tuned transmit power settings for subsequent transmission to the remote server using this particular mobile phone.
US08452240B2 Radio communication device, radio communication system, and radio communication method
There is provided a radio communication device that includes a plurality of leaky coaxial cables that transmit and receive radio signals, a detection unit that detects a difference in reception timing of a radio signal transmitted from another radio communication device among the plurality of leaky coaxial cables, and a transmission timing adjustment unit that adjusts transmission timing of radio signals to be respectively transmitted from the plurality of leaky coaxial cables based on the difference in the reception timing detected by the detection unit.
US08452239B2 Radio communication device, program and radio communication method
Provided is a radio communication device for operating in an autonomous distributed manner which includes a compression unit that compresses streaming data, a control unit that controls a compression rate of streaming data of the compression unit according to a distance from other radio communication device, a transmission unit that transmits the streaming data compressed by the compression unit to the other radio communication device.
US08452237B2 Method and system for automatic frequency control optimization
A method and apparatus for automatic frequency control in a receiver of a wireless device, the method determining a channel estimation for a received signal; calculating a signal to noise ratio for the channel estimation; applying a weighting factor determined based on the calculated signal to noise ratio for the channel estimation to the channel estimation to create a weighted channel estimation; and supplying the weighted channel estimation to a voltage controlled oscillator.
US08452236B2 Electronic device and a method for transfer of data
A first electronic device includes a radio transceiver for receiving a name request message from a second electronic device and for responding with a name reply message including data in addition to or as an alternative to a name. The second electronic device includes a radio transceiver for transmitting the name request message and for receiving in reply the name reply message; and extraction means for extracting from the received name reply message the data that is included in the name reply message as an addition to or as an alternative to a name. The data may be a URI and the first device may be an advertiser device.
US08452235B2 Tracking receiver devices with wireless power systems, apparatuses, and methods
Exemplary embodiments are directed to communicating information relating to wireless charging. A power transmitting system includes a host device with a transmit antenna. A communication interface conveys receiver information, which includes unique identifier information, from a receiver device to the host device. A controller on the host device monitors and processes the receiver information to generate notification information, which is presented to a user on a user-perceivable notifier. The transmit antenna generates an electromagnetic field at a resonant frequency to create a coupling-mode region within a near-field of the transmit antenna. The system can detect a presence of a receiver device with a receive antenna that is in the coupling-mode region and process a request for power from the receiver device. The system can also notify a user when a host device is leaving a designated region and whether the host device includes expected receiver devices.
US08452234B2 Communication system and receiver used in communication system
A communication system is provided comprising a living body-side electrode which primarily capacitively couples with a living body, an environment-side electrode which primarily capacitively couples with an external environment, and a circuit board on which a circuit which processes a signal which is output from at least one of the living body-side electrode and the environment-side electrode is mounted, wherein the circuit board is not placed between the living body-side electrode and the environment-side electrode.
US08452230B2 Multi-metric gain control for wireless repeater
A method for controlling gain in a wireless repeater includes using two or more gain control metrics indicative of stability of the repeater, at least two of the gain control metrics having different integration lengths, where the integration length is the sum of the coherent integration time and the non coherent integration time, and controlling a variable gain value of the repeater based on one or more of the selected gain control metric(s) where the gain control metric(s) to use is selected based on the stability of the repeater.
US08452229B2 Radio communication apparatus and relay transmission method
Provided is a relay transmission method capable of obtaining the diversity effect even when a relay station has detected an error in a relay signal when performing communication between a base station and a mobile station via a relay station. In the relay station used in this method, a decoding unit (104) performs error-correction-decoding of a systematic bit by performing repeated decoding such as a turbo decoding by using a parity bit and obtains a decoding result formed by a systematic bit after the error-correction-decoding. An error judging unit (105) judges whether the decoded result has an error by using CRC (Cyclic Redundancy Check). An encoding unit (106) performs error-correction-encoding of the decoded result and obtains a systematic bit after error-corrected-encoded and a parity bit. A selection unit (107) selects the decoded result inputted from the decoding unit (104) or the bit string inputted from the encoding unit (106) according to the judgment result obtained by the error judging unit (105) and outputs it to a modulation unit (108).
US08452227B2 Methods and systems for selecting internet radio program break content using mobile device location
Methods and systems for selecting content for outputting on a mobile device during a program break in an Internet radio stream using mobile device location information. In one aspect, the methods and systems seamlessly select content for outputting on a mobile device during a program break in an Internet radio stream using mobile device location information and program break markers. In another aspect, the methods and systems select content for outputting on a mobile device during a program break in an Internet radio stream using mobile device trajectory information.
US08452223B2 Image forming apparatus with sheet transport control timing changed according to length of transported sheet
Provided is an image forming apparatus including: an image bearing member bearing a toner image formed by an image forming portion; a transfer part transferring the toner image formed on the image bearing member onto a sheet; a separation/feeding part separating sheets stacked on a sheet stacking member and feeding the sheet while nipping the sheet; and a transport part transporting the sheet fed by the separation/feeding part to the transfer part, in which a transporting operation of the transport part is changed according to a length of the sheet to be transported in a transport direction of the sheet.
US08452222B2 Image-bearing member protecting agent, protective layer forming device, image forming method, image forming apparatus, and process cartridge
An image-bearing member protecting agent including a fatty acid metal salt, and an inorganic lubricant, wherein the image-bearing member protecting agent is a solid formed by compression molding a particulate or granulated raw material containing the fatty acid metal salt and the inorganic lubricant, and applied or adhered to a surface of an image bearing member, and wherein the image-bearing member protecting agent has a front surface which is a side of the image-bearing member protecting agent to be used at the beginning, and a rear surface which is a side thereof to be left when most of the image-bearing member protecting agent is used up, and the image-bearing member protecting agent has a density decreasing from the front surface toward the rear surface.
US08452220B2 Laser fixing device
A laser fixing device, which is for use in an electrophotographic image forming apparatus, including: a carrying device for carrying a sheet; and a laser array section which is made up of a plurality of laser sources arrayed in a line, the plurality of laser sources irradiating a non-fixed toner image, which is attached to the sheet that is being carried by the carrying device, with a laser beam so that the non-fixed toner image is fused and fixed to the sheet. In the laser fixing device, an irradiation region length and a sheet carrying speed are set so that tn≧0.259·mt1.5139, where mt is a maximum level of an attached-toner amount per unit area of the sheet (mg/cm2) in the image forming apparatus, and tn is an irradiation region crossing time (msec), which is found by dividing the irradiation region length by the sheet carrying speed, the irradiation region length being a length, in the direction in which the sheet is carried, of a region on the sheet which region is irradiated with the laser beam. According to this configuration, it is possible to prevent a void from occurring in the laser fixing device.
US08452219B2 Electrophotographic printer
An electrophotographic printer is configured such that an infrared heater is installed at a position between a plurality of electrophotographic print units installed in of the flow direction of a recording material, and a part (an inter-unit extension part) situated between print units of the recording material is irradiated with infrared light from the infrared heater to perform a partial evaporative removal of a carrier liquid of the recording material and a partial fixing of a toner.
US08452213B2 Image forming apparatus
In an image forming apparatus, a support frame configured to support a plurality of cartridges each including a photoconductor is allowed to be pulled out from a casing of the apparatus. A plurality of light-emitting parts configured to expose a corresponding photoconductor to light is arranged in each exposure unit which is movable between an exposure position proximate to the corresponding photoconductor and a retreating position away from the photoconductor. A pair of side plates of the support frame, which extends in a direction perpendicular to a main direction in which the light-emitting parts are arranged, has guide slots formed therein, each of which is configured to guide movement of a corresponding exposure unit between its exposure and retreating positions. Each guide slot includes a positioning portion configured to position the exposure unit in position in a subordinate direction perpendicular to the main direction and to an exposure direction.
US08452208B2 Electrophotographic image forming apparatus
An electrophotographic image forming apparatus includes an electrophotographic photosensitive drum and a developing cartridge. The developing cartridge is detachably mountable to a main assembly of the apparatus. A cartridge supporting member is movable, while detachably mounting the developing cartridge, between an inside position that is inside of the main assembly of the apparatus to mount the developing cartridge to the main assembly of the apparatus, and an outside position that is outside of the main assembly of the apparatus to remove the developing cartridge from the main assembly of the apparatus. When the cartridge supporting member detachably supports a plurality of such developing cartridges, and when the cartridge supporting member is moved from the outside position to the inside position, force receiving portions of the developing cartridges are contacted to force applying portions of the apparatus at different points of time.
US08452207B2 Preventing damage to a photoconductor
An in situ replacement cartridge (200) for an electrophotographic printer includes a rigid, cylindrical photoreceptive member (206); a housing (233) for retaining and attaching the photoreceptive member to the printer; and a removable shield (231a, 231b) surrounding the photoreceptive member.
US08452205B2 Image forming apparatus having skeletal structural shaft
An image forming apparatus for forming an image on a sheet, includes: a pair of panels which constitute a main body skeletal structure of the image forming apparatus and face each other; a main body skeletal structure shaft which connects between the pair of panels and is fixed to each of the pair of panels; and a unit which is installed between the pair of panels and needs positioning based on the main body skeletal structure shaft, wherein an exposed section which is provided on the main body skeletal structure shaft and serves as a measuring reference position for a measuring instrument when a positional relationship between the main body skeletal structure shaft and the unit is measured by use of the measuring instrument after completing assembling of the image forming apparatus.
US08452202B2 Heating device and image forming apparatus with fixing device switched on/off in response to a zero-cross point of an AC voltage output from an AC power source
A controller outputs a heater control signal in synchronization with a rise in a zero-cross signal. In response to the heater control signal, a switching device of a heater driving circuit switches ON/OFF. However, a noise occurs in an output voltage of an AC power source at the time of switching, and this noise causes a false zero-cross signal. For the purpose of preventing operation of a heater in accordance with the false zero-cross signal, the controller disregards the rise in the zero-cross signal during a set time period after the rise in the heater control signal.
US08452197B2 Image forming device having sheet reverse running mechanism
An image forming device includes a changeover flap, a cover, a flap displacement mechanism, an inlet end, an outlet end, and a first conveyer passage extending from the outlet end. A second conveyer passage is bifurcated from the first conveyer passage at a bifurcated portion. The changeover flap is provided at the bifurcated portion and is pivotally movable. The flap displacement mechanism includes a pivot arm pivotally movable. The pivot arm includes a free end portion provided with a linking portion to which the changeover flap is pivotally movably connected. The pivot arm and the changeover flap is configured to change an angle therebetween in accordance with a pivotal movement of the changeover flap and the pivot arm in interlocking relation to the pivotal movement of the cover from its closed position to its open position to displace the linking portion toward the cover.
US08452196B2 Device for measuring length of recording material, image forming apparatus and computer readable medium
A device for measuring a length of a recoding material, includes: a rotating body that rotates in contact with a recording material which is transported; a length measuring unit that measures a length of the recording material based on a rotation of the rotating unit; a detecting unit that detects at least one of a rotation and an oblique advance of the recording material; and a correcting unit that corrects a value measured by the length measuring unit based on an output of the detecting unit.
US08452192B2 Apparatus and method for monitoring statistical characteristics of phase noises, and coherent optical communication receiver
This invention relates to an apparatus and a method for monitoring statistical characteristics of phase noises, as well as to a coherent optical communication receiver. The apparatus for monitoring statistical characteristics of phase noises comprises an argument calculating unit (203), for obtaining an argument of a signal input thereto; an unwrapping unit (204), for unwrapping the argument obtained by the argument calculating unit (203) to obtain a phase signal (205); a delaying unit (207), for delaying the phase signal; a differentiating unit (209), for obtaining a difference between a phase signal currently obtained by the unwrapping unit (204) and a phase signal delayed by the delaying unit (207); a modulus squaring unit (210), for obtaining a square of the modulus of the difference; and an averaging unit (211), for averaging squares of moduli of a plurality of differences obtained by the modulus squaring unit (210) to obtain a mean-squared differential phase (MSDP) value.
US08452191B2 Electronic compensation of nonlinear effects of semiconductor optical amplifiers
Systems and methods are disclosed for compensating for impairments caused by a semiconductor optical amplifier (SOA). One such method comprises receiving an optical signal which has been distorted in the physical domain by an SOA, and propagating the distorted optical signal backward in the electronic domain in a corresponding virtual SOA.
US08452190B1 Wavelength locked channel select
A signal processing system includes an input for receiving an input signal, a light source for generating an optical carrier signal having a pre-determined wavelength, a modulator for receiving the input signal and the optical carrier signal and modulating the optical carrier signal based upon the input signal, and an optical filter having a plurality of signal channels, wherein at least one of the signal channels is locked by a reinsertion of the optical carrier signal to pass signals having a wavelength substantially the same as the wavelength of the optical carrier signal.
US08452188B2 Visible light communication method and system
A Visible Light Communication (VLC) method in a VLC terminal, in which the VLC terminal requests initial access to an Access Point (AP) on a selected mini-slot among a plurality of mini-slots constituting a control slot, based on control information in a frame, sends an association request to the AP on an allocated uplink time slot, if the uplink time slot allocated to correspond to the selected mini-slot exists in control information in a next frame, and transmits data at a data rate appointed to the VLC terminal included in control information in the current frame using an association Identifier (ID) included in a response received in reply to the association request and the allocated uplink time slot.
US08452187B2 Bi-directional, compact, multi-path and free space channel replicator
An apparatus for simulating radio frequency (RF) signal propagation characteristics in a wireless communication network is disclosed. The apparatus includes a first RF terminal and a second RF terminal. A first optical modulator is in electrical communication with the first RF terminal. An optical delay line is in optical communication with the first optical modulator. A first optical demodulator is in optical communication with the optical delay line and in electrical communication with the first RF terminal. A second optical demodulator is in optical communication with the optical delay line and in electrical communication with the second RF terminal. A second optical modulator is in electrical communication with the second RF terminal and in optical communication with the optical delay line.
US08452185B2 Polarization insensitive optical circuit
The present invention, in one embodiment contemplates a polarization insensitive optical circuit constructed of an input/output signal separator, such as an optical circulator or a 1×2 or 2×2 coupler or N×M coupler, a polarization sensitive operator, and a polarization rotator reflector. In an alternate embodiment, the invention contemplates a polarization insensitive optical circuit comprising a polarization rotator reflector, and a polarization sensitive operator which may comprise for example a first polarization rotator, an operator/coupler, and a polarization beam combiner. Preferably at least one of the components in the optical circuit is constructed integrally from the substrate upon which the optical circuit is based. For example the polarization rotator and/or polarization sensitive operator of the present invention may be monolithic.
US08452183B2 Transmitter of multimedia data
Disclosed is a multimedia data transmitter that can transmit multimedia data such as image, voice and control signal whose media are different from each other through an optical transmission medium such as plastic or glass optical cables to a short or long distance area. The multimedia data transmitter includes: a digital signal processing logic, converting multimedia data transmitted in different transmission formats into data of a single transmission format, converting parallel image data into serial image data; an interface control logic, generating a control signal for transmission of the data converted by the digital signal processing logic, interfacing interface data; an optical driver, performing optical transmission of the serial data generated by the digital signal processing logic according to the control signal generated by the interface control logic, processing an optical-to-electrical converted signal.
US08452178B2 Passive optical network user terminal and method of power supply control and power supply state reporting for the same
The present disclosure discloses a passive optical network (PON) user terminal comprising a passive optical network interface unit (PONIU) having access to a PON system, a service data distribution unit (SDDU) connected to the PONIU for distributing service data, a plurality of service processing units (SPUs) for receiving and accordingly processing the service data distributed by the SDDU, a power source for providing power to the above units, and a power supply control unit (PSCU) for controlling the activating/deactivating of the energy-saving power supply to the SPUs, the SDDU, and the PONIU. The present disclosure further provides a method for controlling the PON power supply and for reporting the power supply state. The present disclosure allows control of the energy usage of the PON user terminal to save power when a service in the PON user terminal is not used or when the user terminal uses a backup power source to supply power.
US08452176B2 Reachability matrices spanning multiple domains in an optical network
A method of providing routes through heterogeneous subsystems in an optical network is disclosed, which includes generating, using a processing device, a reachability matrix based on subnetwork information; and generating, using the processing device, a topology associated with the optical network using the reachability matrix. The method also includes determining, using the processing device, a shortest path through the optical network using the reachability matrix and a cost model graph; and displaying, using a graphical user interface, subsystems associated with the shortest path, regeneration locations associated with the shortest path, wavelengths associated with the shortest path, the topology, and the shortest path. Corresponding apparatus and computer-readable storage media are also disclosed.
US08452172B2 Testing an optical network
The present invention relates to testing a passive optical network having a head end and a plurality of terminals, which terminals are connected to the network at a respective plug and socket arrangement located at customer premises. A test device is provided having a standard plug for connection in place of a terminal in the socket of the relevant customer premises. An identification device is provided in the socket. The test device is arranged to (i) read the identity of the identification device and (ii) test the line and transmit a result to the head end together with the identity so that the line to the customer premises can be tested remotely. When the line has been tested, the test device can be removed. Because the test device uses an existing connection, the optical (insertion) loss is reduced.
US08452170B2 Digital single lens reflex camera
To simplify and miniaturize an interface structure for power supply and signal transmission and reception between a camera body and a lens unit and reduce operation restrictions of the interface structure, a digital single lens reflex (DSLR) camera includes a camera body and a lens unit which is attached to or detached from the camera body, in which the camera body includes interface pins formed contactable with the lens unit, the interface pins including power pins and signal pins, a pin housing that receives therein the interface pins, a flexible printed circuit board (FPCB) including a first pattern portion electrically connected with the power pins and a second pattern portion electrically connected with the signal pins, and a lead wire electrically connected with the first pattern portion.
US08452169B2 Control of artificial lighting of a scene to reduce effects of motion in the scence on an image being acquired
Motion of an image of a scene being captured by a digital image acquisition device is detected and used to control parameters of illumination of the scene by a flash lamp that is typically built into the device. Parameters that may be controlled include the intensity, duration and timing of light emitted by the flash lamp. Such control of the flash illumination is preferably performed in conjunction with adjusting one or more exposure parameters used to capture an image. Such exposure parameters include duration, aperture and sensor gain. Motion blur caused by movement of the camera or by movement of an object within the scene being photographed is reduced by selecting appropriate exposure parameters and flash light characteristics.
US08452165B2 Recording medium, playback apparatus, method and program
A plurality of video streams and STN_table are recorded in the local storage 200. Each of the plurality of video streams is a secondary video stream to be played together with a primary video stream, and includes picture data representing a child image to be displayed in Picture in Picture that is composed of a parent image and the child image. In the STN_table, entries of secondary video streams that are permitted to be played are described in the order of priority.
US08452158B2 Recording apparatus, imaging and recording apparatus, recording method, and program
Disclosed herein is a recording apparatus including: an input section configured to input main data and added data attached to the main data; and a recording control section configured such that when the main data and the added data input through the input section have each reached a predetermined data amount, the recording control section temporarily stores the main data and the added data in units of the predetermined data amount; and that when the sum of the amounts of the temporarily stored data has reached a specific data amount, the recording control section transfers the temporarily stored data to recording media for recording thereto in a single file; the recording control section further registering management data about the recorded data to a file system of the recording media in such a manner that the management data is sorted by the data type of the recorded data.
US08452157B2 Information recording method, information recording medium, and information reproducing method, wherein information is stored on a data recording portion and a management information recording portion
With this invention, at least one of a video file containing video information, a still picture file containing still picture information, and an audio file containing audio information and a management file having management information on a control method of reproducing the information in the file are recorded on an information storage medium. This realizes a data structure that causes the recording and deleting places on the information storage medium to correspond spuriously to places on a single tape, such as a VTR tape. Use of the data structure provides users with an easy-to-use interface.
US08452154B2 Transmitting signals to cause replays to be recorded at a plurality of receivers
A video stream may include portions that are stored while other portions are being displayed. In one embodiment, a portion of the video stream may be stored in digital storage media at one instance while in the next instance another portion of the stream is being read out of the storage media.
US08452153B2 Associating pre-generated barcodes with temporal events
An information stream (information stream) can be “bookmarked” with event markers to note points in time in the information stream of occurrences of interesting events. Repeat occurrences of an event are noted with the same event marker. The events of interest need not be a priori determined. In fact, unexpected events can be readily noted.
US08452147B2 Assembly for measuring optical signal power in fiber lasers
A fiber laser system is configured with a power measuring assembly surrounding a splice between two fibers. The power measuring assembly is operative to maintain the splice at a substantially constant splice temperature and shield the spliced fibers from external bending stresses so as to provide for power readings of the laser system at the splice independently from the influence of multiple variable external factors.
US08452142B1 Railway deployable composite communication cable
A communication cable can comprise twisted pairs of electrical conductors for transmitting electrical signals and bundles of optical fibers for transmitting optical signals. The electrical signals and/or the optical signals can support voice and digital communication or data transmission. The twisted pairs can be encased in a gelatinous material and disposed along a central axis of the communication cable. Each bundle of optical fibers can be disposed in a respective buffer tube. The buffer tubes can be arranged in a ring around the twisted pairs. The communication cable can be configured to manage strain on the optical fibers without subjecting the twisted pairs to deleterious tensile stress. The communication cable can include strength rods embedded in an outer jacket, with the outer jacket sized for insertion in a conduit running along a railway or other transportation line.
US08452140B2 Optical socket assembly having optical socket with electrical resilent contacts
An socket assembly (100) comprises an optical socket (1) and an IC package (5) assembled to the optical socket (1), the optical socket (1) comprises an insulative housing (4) with a plurality of passageways (4110), a plurality of optic members (3) received in the passageways (4110) and a plurality of electrical contacts (2) received in the insulative housing (1). The optic member (3) comprises a waveguide (31) and a lens (32) at the end of the waveguide (31), the IC package (5) comprises a plurality of lenses (510) located at the bottom portion (51) thereof and a plurality of electrical conducts (512) located at peripheral thereof, the lens (510) are received in the passageway (4110) and the electrical conducts (512) connect with the electrical contacts (2).
US08452135B2 Method and apparatus for measuring fiber twist by polarization tracking
A method of measuring fiber twist in a multi-core optical fiber bearing an FBG with polarization dependent reflectivity. The state of polarization of the launched light is adjusted until the reflected FBG wavelength is maximal, indicating that light reaching the FBG is linearly polarized, and the polarization axis of the light reaching the FBG is aligned with the slow birefringent axis of the FBG; the SOP of launched light is now measured. Bending experienced by the fiber is measured conventionally, and birefringence produced by bending of the multi-core optical fiber is calculated. A candidate amount of twist between the launch location and the FBG is proposed, and the corresponding twist-induced birefringence is calculated. When calculations show that light with the launched SOP becomes linearly polarized and aligned with the FBG after traversing a fiber section with the calculated birefringences and proposed rotation, the amount of twist has been properly identified.
US08452130B2 Information storage medium storing graphic data and apparatus and method of processing the graphic data
An information storage medium including graphic data and presentation information, and an apparatus and method of processing the graphic data are provided. The information storage medium includes the graphic data, page composition information which defines page composition of the graphic data, and the presentation information indicating when graphic screen data, which is composed with reference to the page composition information of the graphic data, is output to a display screen. Therefore, a graphic object is reusable in graphic data processing, and accordingly, a time taken to process the graphic data is reducible and memory area may be saved.
US08452127B2 Methods and apparatuses for reducing the effects of noise in image signals
An object is to suppress a false color and moire that occur in a high-frequency region. Color interpolation circuits of a color-difference signal generating circuit separate an image signal obtained from an image pickup device, in which a plurality of color filters are arranged in a predetermined pattern and in which pixels corresponding to the respective color filters are provided, into image signals of the respective color filters (R, G1, G2, and B), and perform an interpolation process on the image signals of the respective color filters. Then, a false color determining circuit determines whether a target region is a high-frequency region on the basis of at least any of slopes of image signals of the G1 filter and the G2 filter and a difference between the image signals of the G1 filter and the G2 filter in the target region.
US08452114B2 Decoding apparatus and control method thereof
A decoding apparatus for decoding an encoded image signal and its control method. The decoding apparatus decodes the encoded image signal and inverse-quantizes decoded information. The apparatus inverse-orthogonal transform an inverse-quantized information to obtain a decoded image signal. A quantization error estimator estimates a maximum square error of the inverse-quantized information and a second inverse-orthogonal transformer inverse-orthogonal transforms the quantization error from the quantization error estimator. An image-quality enhancing signal generator generates an image-quality enhancing signal based on the quantization maximum error and the decoded image signal, and an image synthesizer generates a high-quality image signal by synthesizing the image-quality enhancing signal with the decoded image signal.
US08452107B2 Methods and systems for occlusion tolerant face recognition
Certain embodiments of the present disclosure relate to a method for face recognition that is occlusion tolerant and scale/shift invariant based on a combination of hierarchical maximization and adaptive representation technique.
US08452104B2 Image determination apparatus, computer readable medium storing program, and method
An image determination apparatus includes a first extraction unit, a second extraction unit, a calculation unit, and a correction unit. The first extraction unit extracts a first set from an image including linear components that are line-shaped components. The first set includes a linear component extending along a first direction and a linear component extending along a second direction intersecting the first direction. The second extraction unit extracts a second set including a linear component extending along a direction different from the first and second directions. The calculation unit calculates a likelihood for the first set extracted by the first extraction unit in accordance with a relationship between linear components included in the first set. The likelihood is a likelihood of a table being formed. The correction unit corrects the likelihood calculated by the calculation unit in accordance with a relationship between the first set and the second set.
US08452102B2 Image management apparatus, control method, and storage medium
The present invention is directed to an image managing apparatus allowing a user to acquire an image shot by other user participated in an event that the user participated in when a user shot images with the user's own camera but there was a period of time in which the user could not shoot due to some reason. The image management apparatus of the present invention is configured to sort a plurality of images shot by the user's camera based on a shooting time, calculate a non-shooting time period, extract an image shot by a camera of other user, which has a shooting time included in the non-shooting time period of the user. Further, the image management apparatus extracts an image having keywords, a shooting position, and object information, which are the same as an image shot by the camera of the user.
US08452100B2 Image processing apparatus, image forming apparatus and image reading apparatus including the same, and image processing method
A feature point calculating section binarizes the image data to obtain a centroid of a consecutive component in which pixels are connected as a feature point, reverses the image data, obtains a centroid as a feature point from the reversed image data similarly, and adds them as a feature point of the image data. A features calculating section calculates a predetermined invariant based on the feature point containing the feature point obtained from the reversed image data, and calculates a hash value based on the predetermined invariant. A vote process section retrieves a hash table based on the calculated hash value, votes for a document of an index stored in association with the hash value, and accumulatively adds the vote. A similarity determination process section compares the number of votes calculated by the vote process section with a predetermined threshold value to determine a similarity.
US08452097B2 Apparatus and method for extracting circumscribed rectangles of characters in transplantable electronic document
Disclosed are an apparatus and a method for extracting circumscribed rectangles of one or more characters in a transplantable electronic document. The apparatus comprises a command and resource extraction device for extracting text-segment-related commands and original font resources; a division device for dividing the original font resources into fonts; a font replacement device for seeking fonts, and obtaining font resources after font replacement; a measurement information extraction device for extracting character shape measurement information of the characters; and a calculation device for calculating the circumscribed rectangles of the characters.
US08452096B2 Identifying descriptor for person or object in an image
A device and method for processing an image to create appearance and shape labeled images of a person or object captured within the image. The appearance and shape labeled images are unique properties of the person or object and can be used to re-identify the person or object in subsequent images. The appearance labeled image is an aggregate of pre-stored appearance labels that are assigned to image segments of the image based on calculated appearance attributes of each image segment. The shape labeled image is an aggregate of pre-stored shape labels that are assigned to image segments of the image based on calculated shape attributes of each image segment. An identifying descriptor of the person or object can be computed based on both the appearance labeled image and the shape labeled image. The descriptor can be compared with other descriptors of later captured images to re-identify a person or object.
US08452094B2 Real-time image generator
A real-time image generator is disclosed. A real-time image generator may include a first block extracting only a luminance component having a saturation, hue, and value domain from red, green and blue values of an image. A second block outputs a log summation value and pixel count value with respect to a luminance component of an overall image by using the extracted luminance component and a natural log value. A third block calculates a luminance average value of the image by using the natural log summation value and the pixel count value outputted in the second block, the third block generating a tone mapping look up table including a tone mapping operator (Ld) for each luminance range to obtain a final output image using the calculated luminance average value. The third block outputs a tone mapped red, green and blue value by multiplying a corresponding tone mapping operator (Ld) of the tone mapping look up table by a red, green and blue value of the input image.
US08452093B2 Efficient histogram storage
A histogram has ranges, a value for each range, and a time value. A pattern is generated, having a zero value for each range having a zero value, and a one value for each range having a non-zero value. Any non-zero values of the ranges are compressed into a compressed value. The pattern and the time value match or do not match any given entry of a pattern table having a number of entries, each of which has an index value, a time range, and a pattern. Where the pattern and the time value do not match any given entry of the pattern table, a new entry is added to the pattern table, and is considered the given entry. An entry is then added to a histogram table. This entry has the time value, the index value of the given entry of the pattern table, and the compressed value.
US08452091B2 Method and apparatus for converting skin color of image
An image-processing method that converts a skin color of an image is provided, the method including detecting a face region of an image, when a face region is detected in the image, verifying whether the face region is a face by analyzing the characteristics of the face region, and when the region is determined to be a face, extracting a skin region in the image, and converting the skin color of the extracted skin region into a desired skin color.
US08452088B1 Content-based digital-image classification method
A method of classification for a content-based digital-image, including: defining a set of low-level features describing the semantic content of the image, the features being quantities obtainable from the image by means of logico-mathematical expressions that are known beforehand, and the choice of said features depending upon the image classes used for the classification; indexing an image to be classified, with the purpose of extracting therefrom a feature vector, the components of which consist of the values assumed, in the image, by said low-level features; splitting the feature space defined by the low-level features into a plurality of classification regions, to each one of the regions there being associated a respective image class, and each classification region being the locus of the points of the feature space defined by a finite set of conditions laid on at least one component of the feature vector; associating the feature vector to the feature space; identifying, among the classification regions, a specific classification region containing the feature vector extracted from the image to be classified; and identifying the image class associated to the specific classification region identified.
US08452086B2 System and user interface for machine-assisted human labeling of pixels in an image
A user interface and method is embodied on a computer readable medium and executable on a computer. The user interface is a labeler which labels only foreground pixels of an image stored in a computing environment. The labeler operates in a Region mode/state and Brush mode/state, and includes a Tentative mode that permits an assigned label to be changed after pixels have been selected. Groups of pixels may be selected for labeling at once by a point-and-click command, and a pixel may belong to one or more groups of pixels which are stored in memory as image layers. The groups are formed dynamically by user selection actions, and/or through automatic recognition algorithms. Pixels already labeled with certain labels may be locked to not be altered by additional labeling operations. Unassigned pixels may be highlighted to increase the ease at which they are identified in an image. Comparisons between labeled images are undertaken to indicate differences between different groundtruth labeling.
US08452085B2 Image processing apparatus, image processing method and computer readable medium for color extraction and deletion
An image processing apparatus is provided, the apparatus including: a color extracting section that extracts colors contained in processing image data as a flat color or a characteristic color; a first evaluation value calculating section that calculates a flat color evaluation value with respect to a combination of flat colors based on a color difference, and that calculates a characteristic color evaluation value with respect to a combination of characteristic colors based on a color difference; a second evaluation value calculating section that calculates a combination evaluation value with respect to a combination of a characteristic color and a flat color based on a color difference; and a deleting section that reduces a number of colors to a preset number by deleting a color extracted by the color extracting section in accordance with the characteristic color evaluation value, flat color evaluation value and the combination evaluation value.
US08452084B2 Method for compressing elevation maps
A method for compressing an elevation map by means of digital image processing, according to which local and global parameters of an elevation map are calculated for sorting the elevation map into a corresponding category and the elevation map is categorized according to the calculated local and global parameters. Optimal parameters for compressing the elevation map are determined according to the calculated local and global parameters and according to the corresponding category and then the elevation map is compressed by applying on it digital image processing by using the determined optimal compression parameters.
US08452078B2 System and method for object recognition and classification using a three-dimensional system with adaptive feature detectors
A method including imaging an object in three-dimensions; binning data of the imaged object into three-dimensional regions having a predetermined size; determining a density value p of the data in each bin; inputting the p density values of the bins into a first layer of a computational system including a corresponding processing element for each of the bins; calculating an output O of the processing elements of the computational system while restricting the processing elements to have weights Wc1 connecting the processing elements to the corresponding p density values; and communicating an estimated class of the scanned object based on the calculated system outputs.
US08452077B2 Method for imaging workpiece surfaces at high robot transfer speeds with correction of motion-induced distortion
A method is provided for imaging a workpiece by capturing successive frames of an elongate stationary field of view transverse to a workpiece transit path of a robot, while the workpiece is transported by the robot. The robot transit path is illuminated with an elongate illumination pattern transverse to the transit path to obtain a workpiece image of successive frames. Motion-induced image distortion is corrected by computing respective correct locations of respective ones of the frames along the transit path.
US08452073B2 Closed-loop process control for electron beam freeform fabrication and deposition processes
A closed-loop control method for an electron beam freeform fabrication (EBF3) process includes detecting a feature of interest during the process using a sensor(s), continuously evaluating the feature of interest to determine, in real time, a change occurring therein, and automatically modifying control parameters to control the EBF3 process. An apparatus provides closed-loop control method of the process, and includes an electron gun for generating an electron beam, a wire feeder for feeding a wire toward a substrate, wherein the wire is melted and progressively deposited in layers onto the substrate, a sensor(s), and a host machine. The sensor(s) measure the feature of interest during the process, and the host machine continuously evaluates the feature of interest to determine, in real time, a change occurring therein. The host machine automatically modifies control parameters to the EBF3 apparatus to control the EBF3 process in a closed-loop manner.
US08452064B2 Apparatus and methods for geometric calibration of positron emission tomography systems
Apparatus and methods for geometric calibration of positron emission tomography (PET) systems are provided. One method includes obtaining scan data for a uniform phantom and generating reference images based on the scan data for the uniform phantom. The method further includes reconstructing images of the uniform phantom using a PET imaging system and determining a geometric calibration for the PET imaging system based on a comparison of the reconstructed images and the reference images.
US08452062B2 Respiration determination apparatus for determining respiration based on bronchial tree image data
A respiration determination apparatus includes a bronchial tree image data set providing unit which provides a bronchial tree image data set showing a bronchial tree. The apparatus further includes a bronchial tree detection unit for detecting the bronchial tree in the bronchial tree image data set, and a respiratory information determination unit for determining information about the respiration from the detected bronchial tree.
US08452061B2 Electronic colon cleansing method for virtual colonoscopy
A method for electronically cleansing a virtual object formed from acquired image data converted to a plurality of volume elements is provided. The present method allows individual volume elements, or voxels, to represent more than one material type. The method includes defining a partial volume image model for volume elements representing a plurality of material types based, at least in part, on the measured intensity value of the volume element. The material mixture for each of the volume elements representing a plurality of material types can be estimated using the observed intensity values and the defined partial volume image model. The volume elements representing a plurality of material types can then be classified in accordance with the estimated material mixture. For electronic colon cleansing, the method includes removing at least one classification of volume elements when displaying the virtual object.
US08452060B2 Fingerprint preview quality and segmentation
A ridge flow based fingerprint image quality determination can be achieved independent of image resolution, can be processed in real-time and includes segmentation, such as fingertip segmentation, therefore providing image quality assessment for individual fingertips within a four finger flat, dual thumb, or whole hand image. A fingerprint quality module receives from one or more scan devices ridge-flow—containing imagery which can then be assessed for one or more of quality, handedness, historical information analysis and the assignment of bounding boxes.
US08452057B2 Projector and projection control method
A method controls a projection of a projector. The method predetermines hand gestures, and assigns an operation function of an input device to each of the predetermined hand gestures. When an electronic file is projected onto a screen, the projector receives an image of a speaker captured by an image-capturing device connected to the projector. The projector identifies whether a hand gesture of the speaker matches one of the predetermined hand gestures. If the hand gesture matches one of the hand gestures, the projector may execute a corresponding assigned operation function.
US08452055B2 Collision warning system
A method of estimating a time to collision (TTC) of a vehicle with an object comprising: acquiring a plurality of images of the object; and determining a TTC from the images that is responsive to a relative velocity and relative acceleration between the vehicle and the object.
US08452049B2 Image analysis by object addition and recovery
The invention described herein is generally directed to methods for analyzing an image. In particular, crowded field images may be analyzed for unidentified, unobserved objects based on an iterative analysis of modified images including artificial objects or removed real objects. The results can provide an estimate of the completeness of analysis of the image, an estimate of the number of objects that are unobserved in the image, and an assessment of the quality of other similar images.
US08452048B2 Associating an object in an image with an asset in a financial application
The invention relates to a method for associating an object in an image with an asset of a number of assets in a financial application. The method includes receiving the image of the object comprising global positioning system (GPS) data, where the image is captured using an image-taking device with GPS functionality and processing the image to generate processed GPS data. The method further includes determining, using the processed GPS data, a geographic location of the object in the image, and identifying, using the geographic location, the object by performing a recognition analysis of the image. The method further includes associating, based on the recognition analysis, the object in the image with the asset of the assets of an owner in the financial application, and storing, in the financial application, the image of the object associated with the asset of the assets of the owner.
US08452046B2 Method and apparatus for automatic sediment or sludge detection, monitoring, and inspection in oil storage and other facilities
A method includes receiving an image of a storage tank at a processing system, where the storage tank is capable of storing one or more materials. The method also includes processing the image to identify a level, profile, or amount of sludge or sediment present in the storage tank. Processing the image could include segmenting the image into multiple segments and using the segments to identify a non-linearity in the image. The image could be segmented into segments having different grey levels using grey level values associated with previously-identified sediment or sludge. The identified level or amount of sludge or sediment could be used to automatically schedule maintenance for the storage tank.
US08452044B2 Printed matter, image processing apparatus, printed matter authenticity determination apparatus, image processing method, printed matter authenticity determination method, and program
A printed matter, wherein a line latent image and a digital watermark are printed in a predetermined region in an overlapping manner, the line latent image becoming visible when a line filter provided with a line pattern formed on a transparent film is superimposed thereon.
US08452040B2 Speaker-transducer with integral bass-reflex and maximum efficiency cooling
This is a novel speaker design which introduces its own integrated bass-reflex. This design allows for improved cooling for the speaker's voice coil over existing designs and has acoustics that are more natural and of higher quality than known speakers.
US08452038B2 Multi-throat acoustic horn for acoustic filtering
A horn coupled to multiple acoustic transducers includes first and second throat portions and a mixing area integrally formed with the first and second throat portions. The first throat portion has a first throat opening adjacent to a first transducer, and the second throat portion has a second throat opening adjacent to a second transducer. The mixing area includes a common mouth opening shared by the first and second throat portions for at least one of transmitting or receiving acoustic signals. At least one dimension of the first throat portion is different from a corresponding dimension of the second throat portion, so that a first cutoff frequency corresponding to the first throat portion is different from a second cutoff frequency corresponding to the second throat portion.
US08452034B2 Entrainment avoidance with a gradient adaptive lattice filter
Method and apparatus for signal processing an input signal in a hearing assistance device to avoid entrainment, the hearing assistance device including a receiver and a microphone, the system comprising using a gradient adaptive lattice filter including one or more reflection coefficients to measure an acoustic feedback path from the receiver to the microphone of the hearing assistance device.
US08452029B2 Audio system, electronic device and car audio system
An audio system including an inverter, a first amplifier, a first mixer, a main speaker, and a first audio output port is provided. The inverter receives a first audio signal and inverts the first audio signal into an inverted audio signal. The first amplifier receives the inverted audio signal from the inverter and multiplies the inverted audio signal by a first gain to generate a first compensating audio signal. The first mixer receives a second audio signal and mixes the first compensating audio signal with the second audio signal to generate a first low-interference audio signal. The main speaker receives and plays the first audio signal. The first audio output port receives the first low-interference audio signal from the first mixer and transmits the first low-interference audio signal to a first external speaker. An electronic device and a car audio system capable of generating the low-interference audio signal are provided.
US08452028B2 Dynamic surround channel volume control
A dynamic surround channel volume control applies a variable gain control to the surround channels of a multi-channel system. Thus the levels of the surround channels are related to the main volume control of the system. This maintains a predictable relationship between the surround channels and the main or front channels.
US08452022B2 Digital filter circuit, digital filter program and noise canceling system
Disclosed herein is a digital filter circuit for producing a noise reduction signal for reducing noise based on a noise signal outputted from a microphone which collects the noise, including: an analog/digital conversion section; a first digital filter section; an arithmetic operation processing section; a second digital filter section; and a digital/analog conversion section. The first digital filter section and/or the second digital filter section are configured such that a predetermined attenuation amount is obtained within a predetermined range in the proximity of a sampling frequency around the sampling frequency.
US08452021B2 Real ear measurement system using thin tube
An embodiment of a hearing assistance apparatus for performing a Real Ear Measurement (REM), comprises a hearing assistance device housing, a microphone within the housing, an earhook connected to the housing, and a flexible tube. The house has a first opening for guiding sound into the housing to the microphone. The housing and the connected earhook form an interface, where the earhook has a shape to provide a slot near the interface of the housing and the earhook. The tube guides sound, and has a first end and a second end. The first end of the flexible tube and the slot of the earhook cooperate to retain the first end of the flexible tube in the slot of the earhook and flush with the housing to provide a sound-tight connection with the first opening.
US08452018B2 Apparatus and method for encoding/decoding multichannel signal using phase information
An apparatus and method for encoding/decoding a multi-channel signal may be provided. The apparatus of encoding a multi-channel signal may insert information about whether to encode a phase parameter indicating phase information of a plurality of channels, included in the multi-channel signal, in a bitstream of the multi-channel signal. The apparatus of decoding a multi-channel signal may determine whether to up-mix a mono signal using the phase parameter based on the information about whether to encode.
US08452015B2 Propagating keys from servers to clients
A method for key distribution includes steps or acts of: deprecating a first key on a server; receiving a request from a client wherein the client request includes the deprecated key; verifying the client request by using the deprecated key provided in the client request to decrypt the client request; and sending a communication to the client advising that the first key has been updated. An additional step of sending instructions to the client on obtaining the updated key may also be provided. Additionally, instructions on obtaining the updated key may be sent to the client.
US08452014B2 Group key management for mobile ad-hoc networks
Group key management in a mobile ad-hoc network (MANET) may be provided. Each network node associated with the MANET may comprise a group distribution key and a list of authorized member nodes from which a group key manager may be elected. The group key manager may periodically issue a new group key to be used in protecting communications among the network nodes. A compromised node may be excluded from receiving updated group keys and thus isolated from the MANET.
US08452013B2 Secure message handling on a mobile device
Systems, methods, and software for providing digital security to a child message transmitted from a mobile device to a messaging server, where the mobile device typically does not transmit the parent message with the child message to the messaging server. Whether to apply digital security, such as encryption or a digital signature, or both, is determined, and if the mobile device does not include a complete copy of a parent message for insertion into the child message, the mobile device selectively downloads the parent message from the messaging server prior to the computation of a digital signature or prior to encryption. The systems and methods may also provide a check of the child message size, when the child message includes inserted parent content, to ensure that the child message does not exceed any prescribed limits on message size.
US08452012B2 Using a trusted-platform-based shared-secret derivation and WWAN infrastructure-based enrollment to establish a secure local channel
A system and method for establishing a connection on a mobile computing device includes generating a secret on a trusted platform of the mobile computing device. The secret is transported to a subscriber identity module (SIM)/Smartcard on the mobile computing device. A secure local communication channel is established between the trusted platform and the SIM/Smartcard using the secret.
US08452008B2 Content distributing method, apparatus and system
The present invention provides a method of distributing content to a plurality of clients. The method on a server begins with accessing content to be distributed to a plurality of clients and identifying a first type of content to be distributed as crucial content and identifying a second type of content to be distributed as non-crucial content. The crucial content is any content required to properly render, after a decryption process, the content. The non-crucial content is all the other content to be distributed. The crucial content is encrypted with a first encrypting key which is unique to each of the plurality of clients. The crucial content which has been encrypted is transmitted. The non-crucial content is transmitted to the plurality of clients.
US08452005B2 Unicode-compatible encipherment
Unicode character data is received for transcoding. The Unicode character data is transcoded to an intermediate value. The intermediate value is enciphered. The enciphered intermediate value is transcoded back to Unicode-compatible character data. The transcoding includes assembling character values from the Unicode character data into one or more blocks and representing the assembled character values in a compact form.
US08452004B2 Multi-piece mobile media device enclosure
A mobile media device case can include: (a) a first portion, the first portion comprising a first back wall and one or more first sidewalls, the first back wall and the one or more first sidewalls at least partially define a first interior of the first portion and a first exterior of the first portion, the first interior is configured to receive and partially cover at least a first part of the back section and the one or more side sections of the mobile media device; and (b) a second portion, the second portion comprising a second back wall and one or more second sidewalls, the second back wall and the one or more second sidewalls at least partially define a second interior of the second portion and a second exterior of the second portion. Other embodiments and related methods are also disclosed herein.
US08452003B2 Power saving technique for telephony access networks
Technique is proposed for managing total power consumption in an access network comprising two or more interface modules serving a plurality of subscriber lines, the technique comprises performing a study of real power consumption of the subscriber lines in the access network on a line-to-line basis, correlating results of the study with inventory information concerning allocation of the subscriber lines to the interface modules and power consumption ensured by said modules to the lines and, based on the correlation, assessing optimality of allocation of the subscriber lines to the interface modules.
US08452001B1 Class A-B line driver for gigabit Ethernet
A line driver including a first driver circuit, a second driver circuit, and a first summing circuit. The first driver circuit generates a first component signal having a first polarity based on a first transmit signal, the bias signal, and the offset signal. The second driver circuit generates a second component signal having a second polarity based on a second transmit signal, the bias signal, and the offset signal. The first summing circuit sums the first and second component signals to generate a first differential signal. A first average current of the first differential signal for multiple symbols is greater than a second average current of a second differential signal for the symbols. The second differential signal is generated by summing a first biased signal and a second biased signal.
US08451999B2 Interactive communication session director
A system and method may include processing of a signaling message, that includes a called number, requesting establishment of a communication session to the called number, determining that the called number is associated with an account comprising a member profile having an active forward-to number, and generating signals for producing an announcement associated with the account. The system and method may further include receiving a response to the announcement, and determining whether the response is associated with the member profile having the active forward-to number.
US08451998B2 System and method for providing location information
A system and method for providing location information is provided. The system may include a communication device. The communication device may include a communication interface to receive a notice of an incoming communication. The communication device may also include a display to display a representation of a present location of a calling party and to display a representation of a location of the communication device.
US08451995B2 User status management in a voice calling architecture
A mechanism for indicating a specific response message to be played to a caller is provided. A call that comprises an identification of a caller is received in a recipient device. If the recipient device is operating in the phone management mode, a recipient notification of the call is blocked on the recipient device. If the caller is identified as a known caller based on the identification of the caller, a caller specific response message is sent to the known caller. The caller specific response message is at least one of an interactive or a non-interactive caller specific response message. The interactive response message includes a code with which to respond. If the response message is the interactive response message and the caller enters the code associated with the interactive response message, then the recipient notification of the call is activated on the recipient device.
US08451994B2 Switching cameras during a video conference of a multi-camera mobile device
Some embodiments provide a method for conducting a video conference between a first mobile device and a second device. The first mobile device includes first and second cameras. The method selects the first camera for capturing images. The method transmits images captured by the first camera to the second device. The method receives selections of the second camera for capturing images during the video conference. The method terminates the transmission of images captured by the first camera and transmits images captured by the second camera of the first mobile device to the second device during the video conference.
US08451988B2 Delivery of text messages to wireline phones through caller ID functionalities
IMS networks, text message systems, and methods are disclosed for delivering text messages to IMS wireline phones. A text message system of an IMS network receives a text message intended for the IMS wireline phone. The text message system identifies capability data for an IMS wireline phone that indicates the capability of the IMS wireline phone for handling text messages. The text message system processes the capability data for the IMS wireline phone to determine if the IMS wireline phone is capable of handling text messages. If the IMS wireline phone is not capable of handling text messages, then the text message system appends the text message to a caller ID header of an IMS signaling message, and forwards the IMS signaling message to the IMS wireline phone to display the text message on a caller ID unit associated with the IMS wireline phone.
US08451987B1 Detecting 911 service disruptions
Service disruptions in a 911 system are detected by receiving reports from mobile positioning centers that detail certain activities of the 911 system. These reports are compiled into a log. Parts of this log are then searched for conditions that would indicate a service disruption. For example, a certain number of errors appearing in the log in the last six hours may indicate a service disruption. If a condition that would indicate a service disruption is found, a notice is generated so that action may be taken.
US08451986B2 Method and system for automatically providing alternate network access for telecommunications
A communications unit is provided that can be coupled to a building's telecommunication wiring to provide an automated mechanism for isolating the building's wiring from a PSTN, while also providing a telecommunications connection to an alternative communications network via, for example, broadband or cellular networks. The communications unit can further be configured to be coupled to an alarm controller unit of a security system, thereby permitting the security system to communicate with a remote server system without loss of alarm data. The communications unit can also be configured to permit the legacy security system to provide normal disconnect functionality of building telephones from an outgoing telecommunications line while an alarm condition is present.
US08451985B2 Method and apparatus for distributing alerts
A system that incorporates teachings of the present disclosure may include, for example, a cordless phone operating in an establishment with a plurality of cordless phone handsets having a controller adapted to monitor a source for weather alerts, detect a weather alert, determine from the weather alert a weather alert type, retrieve a user profile, identify from the user profile and the weather alert type one or more of the plurality of cordless phone handsets to be notified of the weather alert, select from the user profile a ringtone type for each of the identified cordless phone handsets, wherein the ringtone type identifies the weather alert type, and transmit a message to cause each of the identified cordless phone handsets to assert the ringtone type identified therefor. Other embodiments are disclosed.
US08451983B2 Dynamic emergency disaster plan
A database and communications server allow for composure of an emergency disaster plan that is tailored to the demographic and geographic information provided by a subscriber to the disclosed system. In the event of an emergency, relevant portions of a family disaster plan are communicated to a subscriber and the family members of the subscriber. Each subscribing family member may communicate with the database, which in turn automatically distributes the message to all family members. After the disaster has ended, insurance information is relayed to the subscriber, and the subscriber's insurance companies are notified.
US08451978B2 Automated DSL performance adjustment
A method includes selecting a first set of digital subscriber lines (DSLs) supported by a digital subscriber line access multiplexor (DSLAM). The DSLs of the first set exhibit reduced performance based on historical performance data. The method includes sending a request to the DSLAM for a first performance parameter for each of the DSLs of the first set. The method includes receiving the first performance parameters. The method includes removing DSLs from the first set that have suitable performance based on the first performance parameters to create a second set of DSLs. The method includes selecting a line profile to apply to the second set of DSLs. The method also includes sending a second request to the DSLAM to apply the line profile to the DSLs of the second set and then to determine a second performance parameter for each of the DSLs of the second set.
US08451976B2 Cathode assembly for an X-ray tube
A cathode assembly for an x-ray tube. In one example embodiment, a cathode assembly includes a cathode head, a filament, and first and second focusing tabs. The cathode head defines a recess having first and second open ends, a slot within the recess, and first and second tab stops within the recess. The filament is positioned within the slot. The first focusing tab is positioned in the first open end of the recess abutting the first tab stop. The second focusing tab is positioned in the second open end of the recess abutting the second tab stop.
US08451965B2 Semiconductor integrated circuit, radio communication device and time to digital converter
According to one embodiment, a semiconductor integrated device includes a digitally controlled oscillator, a counter, a time to digital converter, an adder, and a control signal generator. The time to digital converter includes a frequency-divider, a plurality of impedance elements, and a phase difference detector. The frequency-divider is configured to frequency-divide the oscillation signal to generate a plurality of frequency-divided signals. The plurality of impedance elements is configured to voltage-divide the frequency-divided signals to generate a plurality of delay signals of the oscillation signal. The phase difference detector is configured to output the third digital signal corresponding to the phase difference between the reference signal and the oscillation signal by comparing the reference signal with each of the delay signals.
US08451964B2 Code block interference cancellation
Certain aspects of the present disclosure propose an interference cancellation method based on the sub-blocks inside a block. For example, in the long term evolution (LTE) standard, the sub-blocks may be code blocks and the blocks may be transport block.
US08451961B2 Method of reducing interference
Various schemes for reducing effects of interference within communication systems are disclosed. A transmitter transmits a signal in a first time interval and a scrambled version of the signal in a second time interval, which does not overlap with the first time interval. A receiver receives a composite signal including a signal transmitted from the desired transmitter as well as signals from interferers in the first or the second time interval. The receiver determines a dominant interferer and obtains knowledge of signal scrambling done by the interferer as well as the desired transmitter by sensing an identification associated with the interferer or the desired transmitter. This knowledge is employed to determine coefficients for combining the received composite signals received in the first and the second time interval in order to recover the desired signal in a manner that maximizes the SNR associated with the desired signal or completely cancels the dominant interference.
US08451960B2 Transmitter gain control and calibration
Embodiments provide improved systems and methods of gain control and calibration for wireless transmitters. In particular, embodiments allow linear gain control over the entire transmitter gain control range, independent of temperature/process variations. Embodiments require very low power consumption compared to existing approaches. Embodiments may also be used for gain control calibration during production time, thereby substantially reducing production calibration time and cost.
US08451956B2 SNR-based blanking scheme for impulsive noise mitigation in wireless networks
A blanking scheme for mitigating impulsive noise in wireless networks is based on the signal-to-noise ratio (SNR) of symbols. To fully gain the benefits of the SNR-based blanking scheme, two methods are developed, namely a multi-level thresholding scheme in the time-, spatial- and frequency-domains, and a weighted-input error-correction decoding. The symbols are conditioned as a function of the estimated SNR in time-, frequency-, or spatial-domains or combinations therefore, and the conditioning is applied to an amplitude, phase, or energy level, or combinations thereof.
US08451955B2 Receiving apparatus, transmitting apparatus, reception method, and transmission method
A reception unit receives data from communication apparatuses. A transmission unit transmits data to the communication apparatuses. A control unit determines, in an adaptive way, which modulation and coding schemes to use to transmit and receive data. At a first stage, a modulation and coding scheme with a low transmission rate or a modulation and coding scheme that minimizes power requirements is selected from among a plurality of candidates therefor. At a second stage, the modulation and coding scheme of at least one of the communication apparatuses is changed to another scheme having a higher transmission rate, when it is impossible to allocate sufficient resources for the modulation and coding schemes selected at the first stage.
US08451954B2 Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion
A system for mitigating impairment in a communication system includes a delay block, a signal level block, a moving average window block, an impulse noise detection block, and a combiner. The delay block receives and delays each chip of a plurality of chips in a spreading interval. The signal level block determines a signal level of each chip of the plurality of chips in the spreading interval. The moving average window block determines a composite signal level for a chip window corresponding to the chip. The impulse noise detection block receives the signal level, receives the composite signal level, and produces an erasure indication for each chip of the plurality of chips of the corresponding chip window. The combiner erases chips of the plurality of chips of the spreading interval based upon the erasure indication.
US08451953B2 Method and apparatus for detecting space-time block codes
A method for detecting a space-time block code is provided. The method includes randomly selecting one initial candidate layer (xN) with respect to a signal vector {tilde over (y)}, applying a DF algorithm to first J number of layers (xN−1, xN−2, . . . , xN−J) with respect to all the available candidate symbols within the initial candidate layer (xN) to generate candidate symbols of each of the J number of layers, re-arranging the J number of layers, selecting the lowest layer of the re-arranged J number of layers as a new candidate layer, performing a DF process on the other remaining layers, excluding the new candidate layer, to generate N-dimensional candidate symbol vectors xi, and performing a maximum likelihood detection on the xi to detect an N-dimensional input vector {circumflex over (x)}.
US08451952B2 Iterative decoding and demodulation with feedback attenuation
An iterative demodulator and decoder uses feedback attenuation to maintain proper balance between the demodulator and decoder. Balance is maintained by attenuating the influence of extrinsic information fed back from the decoder to the demodulator to prevent strong decisions by the decoder from overwhelming the demodulator.
US08451951B2 Channel classification and rate adaptation for SU-MIMO systems
A method, apparatus and system are disclosed herein for channel classification and adaptation. In one embodiment, the system comprises a base station having a transmitter that is operable to transmit wireless signals using a plurality of transmission options; and a user terminal having a receiver that is operable to receive and decode wireless signals using a plurality of receiver algorithms, where the user terminal is operable to receive communications from the transmitter over a multiple-input, multiple output (MIMO) channel, to select at least one coding mode to be used by the transmitter on the channel based on rates achievable using MIMO transmission, in view of the channel information, using different combinations of one of the plurality of receiver algorithms and one of the plurality of transmission options, and to send information to identify the at least one coding mode to the base station using a feedback channel, each coding mode specifying at least an encoder to be used by the transmitter for the channel.
US08451950B2 Method and apparatus adapted to demodulate a data signal
The present invention relates to the field of receiving data and/or demodulating a data transmission signal. The present invention provides a method of and/or device for determining a data signal imposed on a phase jitter modulation signal. In one form, the invention relates to the field of Radio Frequency Identification (RFID), and the transmission of data between a tag and an interrogator.
US08451947B2 Burst demodulator
A burst demodulator. Implementations may include a first frequency estimating module adapted to remove a first frequency offset from a plurality of data samples. A second frequency estimating module may be coupled with the first frequency estimating module and may be adapted to remove a second frequency offset from the plurality of data samples. A third frequency estimating module may be coupled with the second frequency estimating module and may be adapted to remove a third frequency offset from the plurality of data samples. A clock phase estimating module may be coupled with the third frequency estimating module and may be adapted to calculate a clock phase offset value, select one or more coefficients for a finite impulse response (FIR) filter, and process the plurality of data samples with the FIR filter. A data processing module may be adapted to recover the data included in the plurality of data samples.
US08451944B2 Tomlinson harashima precoding with additional receiver processing in a multi-user multiple-input multiple-output wireless transmission system
A method for processing user symbols with Tomlinson Harashima precoder (THP) in a base station, of a wireless system having K user terminals (UEs) which communicate with the base station via an uplink channel and corresponding downlink (DL) channel, comprises estimating a DL channel matrix Hk; determining receiver processing matrix Vk; computing an effective matrix DL channel Heff; performing QR decomposition of Heff; computing THP matrices; calculating scalar weights for the UEs; processing user symbols by the THP having the THP matrices to produce an output of filtered vector symbols for the UEs; directing output of the THP to the channel represented by the DL channel matrix through which communications occur in the wireless system with the UEs; performing additional receiver processing on the transmitted signals at the UEs based on Vk for each of the K UEs; and using the scalar weights on the transmitted signals at the UEs.
US08451943B2 Method and device for transmitting signal
Embodiments of the present invention disclose a method and a device for transmitting a signal, and relate to the field of communications. The technical solutions provided by the embodiments of the present invention are: the method for transmitting a signal, including: determining a peak clipping threshold of a signal according to f(MCS), where MCS represents a modulation and coding scheme (MCS) of the signal, and f(MCS) is a corresponding relationship between the MCS and noise at a receiving end; performing peak clipping on the signal by using the peak clipping threshold to obtain a peak-clipped signal; and transmitting the peak-clipped signal. According to the embodiments of the present invention, different peak clipping thresholds may be selected according to different MCSs, and thus, the reliability of data transmission is improved.
US08451936B2 Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions
A method is provided for enabling a device function at a local device based on distance information, comprising: establishing a communication link with a remote device over a UWB medium using a multiple access protocol; determining a distance between the local device and the remote device; and controlling a device function for the remote device based on the determined distance, wherein the operation of controlling the device function enables the device function when the determined distance is below a set distance threshold, and wherein the operation of controlling the device function disables the device function when the determined distance is above the set distance threshold.
US08451932B2 Precoding codebook design for single user MIMO
A transmitter is for use with multiple transmit antennas and includes a precoder unit configured to precode data for a transmission using a precoding matrix selected from a codebook, wherein the codebook corresponds to the following three transmission properties for an uplink transmission: 1) all precoding elements from the precoding matrix have a same magnitude, 2) each precoding element from the precoding matrix is taken from a set of finite values and 3) there is only one non-zero element in any row of the precoding matrix. The transmitter also includes a transmit unit configured to transmit the precoded data.
US08451929B2 Apparatus for calculating weights associated with a received signal and applying the weights to transmit data
An apparatus for calculating weights associated with a received signal and applying the weights to transmit data is provided. The apparatus comprises: at least two antennas; a multiple-input and multiple-output capable transceiver in communication with each of the at least two antennas; and processing circuitry capable of causing diversity combining, the processing circuitry in communication with the multiple-input and multiple-output capable transceiver. In operation, the processing circuitry is capable of causing the apparatus to: receive a first signal, calculate weights associated with the first signal, and apply the weights to transmit data. Additionally, the apparatus is configured such that the at least two antennas are capable of transmitting a second signal including the transmit data to a multiple-input capable node.
US08451928B2 Apparatus for calculating weights associated with a first signal and applying the weights to a second signal
An apparatus for calculating weights associated with a first signal and applying the weights to a second signal is provided. The apparatus comprises: at least two antennas; a multiple-input and multiple-output capable transceiver in communication with each of the at least two antennas; processing circuitry capable of causing diversity combining, the processing circuitry in communication with the multiple-input and multiple-output capable transceiver, the processing circuitry capable of causing the apparatus to: receive a first signal, calculate weights associated with the first signal, and apply the weights to transmit data. Additionally, the apparatus is configured such that the at least two antennas are capable of transmitting a second signal including the transmit data to a multiple-input capable node.
US08451927B2 Multicarrier communication system
Improving channel response characteristics between a transmitter and a receiver, in a Multiple-Input-Multiple-Output (MIMO)-system without increasing the number of receiving antennas, by using fractional sampling in a receiver, delaying and transmitting part of plural transmitting signals demodulating data of the plural data series.
US08451921B2 Method and an apparatus for adaptively learning a sparse impulse response of a continuous channel
A method for adaptively learning a sparse impulse response (100) of a continuous channel to which an input signal (x(t)) is applied and which delivers an output signal (y(t)), comprising the following steps: low-pass filtering the input signal and the output signal and obtain a filtered input signal (xF(t)) and a filtered output signal (yF(t)) sampling the filtered input signal and the filtered output signal with a sampling rate below the Nyquist rate and obtaining a sampled input signal (xS(t)) and a sampled output signal (yS(t)) retrieving from the sampled input signal (xS(t)) and the sampled output signal (yS(t)) an estimate (400) of the sparse impulse response (100) of the continuous channel.
US08451920B2 Apparatus and method for setting pilot subcarrier
An apparatus for setting a pilot subcarrier in an antenna selects candidates of power value variables of a pilot subcarrier existing within a predetermined range, and calculates and extracts pilot subcarriers of a predetermined number on the basis of a nonlinear function among the candidates of the selected power value variables. Next, the apparatus removes pilot subcarriers of a predetermined number from the extracted pilot subcarriers of a predetermined number in accordance with a rule and configures the antenna on the basis of position values of final pilot subcarriers except for a virtual subcarrier among the removal result. Further, the apparatus configures the antenna on the basis of the power value by determining the sum total of the power values corresponding to the position values of the final pilot subcarriers to correspond to the number of pilot subcarriers.
US08451918B1 System and method for spur estimation and mitigation
A spur detection and spur cancellation apparatus in a multiple sub-carrier digital communication receiver includes a spur detection block that estimates, using one or more Fourier transforms, a frequency location of a narrowband interference spur in a received digital signal that includes a plurality of sub-carriers, and a spur cancellation block that attenuates the estimated narrowband interference spur. The spur detection block may use a fast Fourier transform (FFT) and/or a discrete Fourier transform (DFT) to locate a frequency and to measure a discrete power spectra of the narrowband interference spur. A channel state information block in the receiver may adjust a channel state information metric based on the located frequency and/or the measured discrete power spectra of the narrowband interference spur.
US08451909B1 System and method for dynamically changing quality levels among a plurality of video scenes
A method for operating a video system is provided. The method includes receiving video data of a first scene and a second scene, processing at least a first portion of the video data to generate a first video of the first scene having a first quality level, processing at least a second portion of the video data to generate a second video of the second scene having a second quality level, and processing at least a third portion of the video data to detect an occurrence of an event in the first scene. In response to detecting the occurrence of the event in the first scene, the method continues by processing at least a fourth portion of the video data to generate a third video of the first scene at a third quality level, where the third quality level is different than the first quality level, and transferring the third video for display.
US08451907B2 Methods and apparatus to detect transport faults in media presentation systems
Example methods and apparatus to detect transport faults in media presentation systems are disclosed. An example method comprises decoding a media stream to form audio data and pixel data, computing a first value representative of the media stream using pixel data associated with a first set of the video frames, computing a second value representative of the media stream using pixel data associated with a second set of the video frames, computing a third value representative of first speech in a first segment of the audio data, computing a fourth value representative of second speech in a second segment of the audio data, determining a fifth value representative of a likelihood that a transport failure has affected the media stream, the fifth value determined using the first, second, third and fourth values, and comparing the fifth value to a threshold to determine whether to generate a transport failure alert.
US08451905B1 Efficient encoding of video frames in a distributed video coding environment
Systems and methods are presented for processing sequences of video frames in a distributed video coding environment. Video frames chosen as key video frames are encoded in their entirety on a sending device, and the encodings are forwarded to a receiving device. Non-key video frames are partitioned into blocks of pixels which are individually processed at the sending device. Some pixel blocks are designated for reconstruction at the receiving device using a similar corresponding pixel block from a previous video frame, and the sending device does not encode those pixel blocks. Other pixel blocks are compressed at the sending device into representations that are sent to the receiving device to facilitate reconstruction of the other pixel blocks at the receiving device. Exceptional efficiency and accuracy may be achieved by employing spatiograms and singular value decompositions in processing pixel blocks of the non-key video frames at the sending device.
US08451903B2 Selecting transforms for compressing visual data
Encoding data includes: computing a first set of coefficients based on a plurality of transforms each computed over a different portion of an array of data, and a second set of coefficients based on a transform computed over the array of data; choosing a set of coefficients to represent the array of data from a group of multiple sets of coefficients, the group including the first set of coefficients and the second set of coefficients; and encoding the chosen coefficients and one or more parameters related to the chosen coefficients.
US08451898B2 Motion vector estimation apparatus
The present invention provides a motion vector estimation apparatus which can decrease circuit size by reducing the amount of computations for detecting a motion vector. The motion vector estimation apparatus in the present invention includes a motion vector estimation unit which estimates a motion vector MV0F for the target block BL0 by searching within a reference picture P1 for a block with an image similar to an image in the target block BL0, which is included in a picture B2; a prediction calculation unit and a prediction range control unit which specify a search range in the reference picture P1 based on the motion vector MV0F and; the motion vector estimation unit estimates the motion vector MV1F for the target block BL1 by searching in the search range for a block with an image similar to an image in the target block BL1, which is included in the picture B3.
US08451897B2 Highly parallel pipelined hardware architecture for integer and sub-pixel motion estimation
Disclosed is a pipelined motion estimation system and method. The pipelined motion estimation system includes a current frame input storage means for storing contents of a current frame and a previous frame input storage means for storing contents of one or more previous frames. A sum-of-absolute differences calculation module concurrently determines a best fit motion vector from a plurality of potential motion vectors where each of the plurality of potential motion vectors is based upon a pixel-based search pattern. A sum-of-absolute differences (SAD) logic block concurrently determines a minimum residual value from the plurality of motion vectors. The motion vector having the minimum residual value is used as a component in encoding video data.
US08451896B2 Method and apparatus for adaptive quantization in digital video coding
The invention relates to adjusting the quantization parameter in digital video coding. A shift value (QP Shift) is used to adjust the quantization parameter. The shift value is determined in a determining step 101. The video nature is determined and compared with a threshold in a comparing step 102 to adjust the shift value adaptively according to the frame type in an adjusting step 103. The shift value shifts the quantization parameter in a shifting step 104.
US08451895B2 Method and system for decoding multiview videos with prediction dependencies
Multiview videos are acquired of a scene with corresponding cameras arranged at poses, such that there is view overlap between any pair of cameras. V-frames are generated from the multiview videos. The V-frames are encoded using only spatial prediction. Then, the V-frames are inserted periodically in an encoded bit stream to provide random temporal access to the multiview videos. Additional view dependency information enables the decoding of a reduced number of frames prior to accessing randomly a target frame for a specified view and time, and decoding the target frame. The method also decodes multiview videos by maintaining a reference picture list for a current frame of a plurality of multiview videos, and predicting each current frame of the plurality of multiview videos according to reference pictures indexed by the associated reference picture list.
US08451894B2 Video encoding method and decoding method, apparatuses therefor, programs therefor, and storage media for storing the programs by using parallax compensation
By using parallax compensation which performs prediction by using parallax between video images, the video images are encoded as a single video image. Reference parallax for a target image to be encoded is set, wherein the reference parallax is estimated using a reference image; area division in an image frame is set; parallax displacement for each divided area is set, wherein the parallax displacement is the difference between the reference parallax and parallax for the parallax compensation; data of the area division is encoded; and data for indicating the parallax displacement is encoded. During decoding, reference parallax for a target image to be decoded is set, wherein it is estimated using a reference image; data for indicating area division, which is included in encoded data, is decoded; and data of parallax displacement, which is included in the encoded data, is decoded for each area indicated by the area division data.
US08451889B2 Method and apparatus for encoding and decoding image by using sub-pixel-based motion prediction
Provided are a method and apparatus for encoding an image by using sub-pixel-based motion prediction and a method and apparatus for decoding an image by using sub-pixel-based motion prediction. The method of encoding an image includes determining weights for respective low-precision sub-pixels for interpolation between the low-precision sub-pixels, determining an interpolation direction for the low-precision sub-pixels based on a position of a high-precision sub-pixel between the low-precision sub-pixels, and performing motion prediction in units of high-precision sub-pixels determined by interpolation which applies the interpolation direction and the weights to the low-precision sub-pixels.
US08451886B2 Apparatus method and computer readable medium for a transmitter
An apparatus comprising a signal generator for generating a polar representation of a signal. The apparatus comprises further a first filtering unit configured to filter a low frequency part of the amplitude component of said signal and a second filtering unit configured to filter a high frequency-part of the amplitude component of said signal. In addition, the apparatus includes a pulse width modulating unit configured to modulate the filtered high frequency part of the amplitude component of said signal together with the phase component of said signal. Finally the apparatus includes a DC-DC converter configured to convert the filtered low frequency part of the amplitude component of said signal. Said DC-DC converter supplies a switching mode power amplifier for amplifying the pulse width modulated signal.
US08451885B2 Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements
Various systems and methods providing high speed decoding, enhanced power reduction and clock domain partitioning for a multi-pair gigabit Ethernet transceiver are disclosed. ISI compensation is partitioned into two stages; a first stage compensates ISI components induced by characteristics of a transmitter's partial response pulse shaping filter in a demodulator, a second stage compensates ISI components induced by characteristics of a multi-pair transmission channel in a Viterbi decoder. High speed decoding is accomplished by reducing the DFE depth by providing an input signal from a multiple decision feedback equalizer to the Viterbi based on a tail value and a subset of coefficient values received from a unit depth decision-feedback equalizer. Power reduction is accomplished by adaptively truncating active taps in the NEXT, FEXT and echo cancellation filters, or by disabling decoder circuitry portions, as channel response characteristics allow. A receive clock signal is generated such that it is synchronous in frequency with analog sampling clock signals and has a particular phase offset with respect to one of the sampling clock signals. This phase offset is adjusted such that system performance degradation due to coupling of switching noise from the digital sections to the analog sections is substantially minimized.
US08451881B2 System and method for transceiver control of peripheral components
Peripheral components of a wireless radio system can be controlled by a wireless transceiver. The transceiver stores parallel or serial bit patterns in memory, each bit pattern corresponding to a particular control configuration for one or more peripheral components. A further control device, such as baseband controller, issues an address corresponding to the desired functional operation of the peripheral components to the transceiver. A memory sub-system of the transceiver uses the address to output the appropriate bit pattern. The bit pattern can be provided in parallel to statically control individual control lines, or can be converted into a serial bitstream decodable by a command decoder. The command decoder can then decode the bitstream and locally issue the appropriate control signals for the peripheral components.
US08451878B2 Surface profile inspection device
A surface profile inspection device producing a sheet of light propagating in a linear region forming a plane from a laser beam emitted from a laser light source and irradiating the sheet of light to an object to be measured, and including an image capturing unit capturing an image of the object to be measured and a configuration data generating unit extracting a light section line defined by an irradiation of the sheet of light from image data of the captured image and generating surface profile data of the object to be measured. The laser light source includes a semiconductor laser emitting a laser beam from a light emitting layer formed in a linear direction along a boarder of a p-n junction. An attitude of the semiconductor laser is set to arrange the linear direction to be unparallel to a spread direction of the sheet of light.
US08451876B1 Method and system for providing bidirectional light sources with broad spectrum
A system and method for providing laser diodes with broad spectrum is described. GaN-based laser diodes with broad or multi-peaked spectral output operating are obtained in various configurations by having a single laser diode device generating multiple-peak spectral outputs, operate in superluminescene mode, or by use of an RF source and/or a feedback signal. In some other embodiments, multi-peak outputs are achieved by having multiple laser devices output different lasers at different wavelengths.
US08451869B1 8/10 and 64/66 aggregation
A network device includes a substitutor and a transmitter. The substitutor receives input columns of concurrently received input symbols. Each of the input columns includes one input symbol from each of a plurality of parallel input lanes. The substitutor generates output columns corresponding to the input columns, wherein each of the output columns includes one output symbol for each of a plurality of parallel output lanes. The substitutor replaces the output symbols of a selected column of the output columns with alignment symbols. The selected column is immediately followed by a second column, and the second column is immediately followed by a third column. The substitutor replaces the output symbols of the second column with disposable symbols, and replaces the output symbols of the third column with boundary symbols. The transmitter drives data onto a communications medium in response to the output symbols generated by the substitutor module.
US08451864B2 Passive optical network processor with a programmable data path
A passive optical network (PON) processor comprises a packet processor for processing packets belonging to a certain flow through a plurality of processing stages of a programmable data-path; a microprocessor-data for performing one or more user-defined functions in the programmable data-path on designated packets belonging to the certain flow, wherein packets of respective flows to be processed by the microprocessor-data are designated in a flow table; a microprocessor-control for managing connections handled by the PON processor; a data-path bus for connecting the packet processor and the microprocessor-data, wherein the designated packets are transferred between the packet processor and the microprocessor-data on the data-path bus; and a control-path bus for connecting the packet processor and the microprocessor-control.
US08451861B2 Method for requesting bandwidth allocation and detecting service flow in communication system
A method for requesting bandwidth allocation by a mobile station in a communication system is provided. The mobile station detects at least one Connection IDentifier (CID), bandwidth allocation for which is to be requested, generates a bandwidth request header when the number of the at least one detected CID equals one, and transmits the bandwidth request header to a base station, wherein the bandwidth request header includes a region for indicating a first CID representing basic information for identification of the mobile station, a region for indicating a ranking of the detected CID, and a region for indicating information about bandwidth requested for the detected CID.
US08451856B2 Using gathered system activity statistics to determine when to schedule a procedure
Provided are a method, system, and computer program product for using gathered system activity statistics to determine when to schedule a procedure. Activity information is gathered in a computer system during time slots for recurring time periods. A high activity value is an activity amount of a slot having a maximum amount of activity and a low activity value is an activity amount of a slot having a minimum amount of activity. A threshold point is determined as a function of the high activity, the low activity, and a threshold percent comprising a percentage value. A selection is made of at least one lull window having a plurality of consecutive time slots each having an activity value lower than the threshold point and the procedure in the computer system is scheduled to be performed during the time slots in the lull window in a future time period.
US08451854B1 Method and apparatus for priority-provisioned arbitration scheduling for a switch fabric
An apparatus and method for scheduling within a switch is described. A set of input signals is received from input ports. The set of input signals is associated with a set of packets at the input ports. A request for each packet from the set of packets is generated based on the set of input signals. Each request has an input-port indicator, an output-port indicator and a service-level indicator. The packets are scheduled based on the service-level indicator.
US08451853B2 Method and apparatus for selecting a receiver in an electronic device
In accordance with an example embodiment of the present invention, a method comprises identifying at least one receiver, selecting said at least one receiver by moving an apparatus according to at least one predetermined movement and sending data to said selected at least one receiver.
US08451846B1 LSP hierarchy for MPLS networks
A system may define a first region that includes a first colored link of a multiprotocol label switching (MPLS) network, and may define a second region that includes a second colored link of the MPLS network. The system may define a boundary between the first and second regions based on the first colored link and the second colored link.
US08451845B2 Method of receiving a data packet in an IPv6 domain, an associated device and an associated home gateway
A method of receiving an IPv6 data packet in an IPv6 domain connected to an IPv4 domain, said packet comprising an IPv6 destination address and an IPv6 source address. The method comprises the following steps: identifying an IPv6 destination address constructed by concatenating an operator prefix, an IPv4 destination address, and a destination port number; if necessary, regularizing at least one address of the data packet and modifying the data packet; and routing the modified data packet to its destination.
US08451843B2 Method and apparatus for sending and receiving ethernet physical-layer OAM overhead
A method and an apparatus for sending an Ethernet physical-layer OAM overhead, and a method and an apparatus for receiving an Ethernet physical-layer OAM overhead are disclosed herein. A method for sending an Ethernet physical-layer OAM overhead includes: adjusting the order of sending a payload block and part of Inter-Packet Gaps (IPGs) in a data stream to be transmitted; and when receiving a request for sending an OAM overhead, substituting the OAM overhead for the part of IPGs, and sending the OAM overhead before sending the payload block. Through the present invention, the order of sending IPGs and payload blocks in an MAC data stream can be adjusted, and the OAM overhead can be sent in time.
US08451839B2 Method and apparatus for managing route information and forwarding data in access devices
The present invention provides a method for creating routes in access devices of the communication network by using access response messages. With the method provided by the present invention, services can be distinguished and forwarded based on destination IP sub-networks, so that different services can be distributed in access devices. In this way, on the premise that services are distinguished based on layer 3, the requirements for access devices are reduced and layer 2 networks on the user side are not required to carry out route protocols, which decreases administrators' maintenance work and is the important condition for the realization of plug&play and reduces the requirements for marginal routers.
US08451830B2 System and method for measuring quality of multimedia service
A system and a method for measuring quality of a multimedia service transceived via a VoIP service and notifying a user of a result of the measurement are disclosed. An embodiment of the present invention includes a VoIP multimedia server configured to loop back sample multimedia data received from a multimedia terminal providing a VoIP multimedia service, analyze a quality measurement result received from the multimedia terminal, calculate a quality measurement score, convert the quality measurement score into voice data, and transmit the voice data to the multimedia terminal, and a multimedia terminal configured to transmit the sample multimedia data to the VoIP multimedia server via a packet network, measure the quality of loopback sample multimedia data looped back from the VoIP multimedia server, transmit the quality measurement result to the VoIP multimedia server, receive the voice data of the quality measurement score, and output a voice.
US08451829B2 Routing a VoIP call with contextual information
A method and system for routing a call connection signal and corresponding contextual information to an appropriate destination is provided. A call center and at least one user may exchange signals, and/or contextual information during a call set-up phase. Relevant contextual information and other detailed information may be identified and collected from their corresponding sources. Based on the relevant contextual information and other detailed information, one or more appropriate routed destinations may be determined. In addition, contextual information may be tailored for each of the determined routed destinations. The call connection signal and the tailored contextual information are routed to each routed destination. In this manner, necessary contextual information may be readily available for the routed destination at the time of the call connection and thus the routed destination can provide a faster service.
US08451828B2 Registering an internet protocol phone in a dual-link architecture
A system and method for registering an internet protocol (IP) phone in a dual-link architecture is disclosed. The method comprises pre-registering the IP phone to establish a client link with a first telephony server and a second telephony server. The pre-registration comprises: identifying the first and second telephony servers designated for the IP phone; sending a registration request to the first and second telephony servers from the IP phone to pre-register the IP phone with the telephony servers; and setting one of the telephony servers as a primary telephony server by sending an in-service request message, with the other server set in a hot-standby mode.
US08451827B2 Time-slot interchange circuit
A circuit and method are presented for signal processing and routing of digital voice telephony signals, using a specialized high-density integrated circuit voice processor. The voice processor performs several essential functions required for telephony processing, including echo cancellation, protocol conversion, and dynamic range compression/expansion. These functions are traditionally performed by multiple circuits or modules. By combining these capabilities in a single device, power and circuit board area requirements are reduced. The embodiment of the circuit and method disclosed herein include novel implementations of a time-slot interchange circuit and a telephony signaling circuit. Both of these circuits are designed to minimize demands on the signal processing engines incorporated within the voice processor, and account for very little of the on-chip circuitry.
US08451823B2 Distributed off-line voice services
A voice processing system includes a real-time voice server, which is arranged to process real-time voice processing tasks for clients of the system. A gateway processor is arranged to accept from a client a request to perform an off-line voice processing task, to convert the off-line voice processing task into an equivalent real-time voice processing task, to invoke the voice server to process the equivalent real-time voice processing task, and to output a result of the equivalent real-time voice processing task.
US08451820B2 System and method for processing a plurality of requests for a plurality of multi-media services
A system and method for processing a plurality of requests for a plurality of multi-media services received at a Private Service Exchange (PSX) defined on the system from a plurality of IP-communication devices. The system further includes a media server (MS) coupled to the PSX and to at least one IP Service Control Point (IP-SCP), which is operative to process the plurality of requests for the plurality of multi-media services. The IP-SCP further selectively directs the requests to the media server, which operates to form a preliminary multi-media communication path with a calling communication device. The MS further operates to play a plurality of announcements to the calling communication device over the preliminary multi-media communication path, as well as to collect caller-entered data from the calling communication device over the preliminary multi-media communication path.
US08451814B2 Carrier signals for synchronization
Disclosed herein are methods and systems that may help a WiMAX base station function without a GPS signal by providing a high-stability reference signal via a subcarrier of a broadcast signal, such as an FM radio signal. An exemplary broadcast station may therefore be configured to phase-lock a subcarrier signal to a GPS signal, and include this subcarrier in its broadcast signal, thereby providing the subcarrier signal for use by a base station as a high-stability reference signal for local-oscillator stabilization at the base station. The broadcast station may further modulate a timing signal onto the subcarrier signal. An exemplary base station may therefore receive the broadcast signal, decode the broadcast signal to acquire the subcarrier signal, and use the subcarrier signal to stabilize its local oscillator, rather than using a GPS signal. The base station may further demodulate the subcarrier to acquire the timing signal, which the base station may use for frame-start synchronization, instead of a GPS signal.
US08451812B2 Use of the WLAN standard for a C2C communication by adding new packet types
C2X communication is made possible efficiently via WLAN by apparatuses and a method for filtering data frames received by a vehicle from a receiver via a WLAN connection, wherein a frame type indicated in a received data frame is used to decide that device to which data in the data frame are transmitted. The C2X communication can be used for recognizing pedestrians. It is also possible to use a plurality of transmission paths and/or UDP.
US08451803B2 Methods and apparatus for managing measurement behavior of DRX mode UE
Systems and methods that manage measurement behavior of a UE in connected mode and while in discontinuous operation. The UE is enabled to autonomously (e.g., independent of instructions from network) enter a state of measurement, and generate a measurement report for the network, when quality of serving cell falls below the threshold of S_Intrasearch parameter. Moreover, the UE can perform inter-frequency and/or inter-RAT measurements autonomously by employing the “natural gaps” from its DRX pattern, when such are adequate to perform such measurements.
US08451802B2 Performing handovers for fixed mobile convergence networks
According to one embodiment, an anchor access gateway receives packets from a home agent. The packets are destined for an access terminal, and the anchor access gateway serves the access terminal. The packets are forwarded to the access terminal. The anchor access gateway receives a handoff request from a target access gateway. The handoff request requests a handover from the anchor access gateway to the target access gateway. The packets are forwarded to the target access gateway in accordance with the handoff request.
US08451801B2 Wireless communication device and wireless communication system
A wireless communication device configured to perform communication with another wireless communication device which exists outside the wireless communication range by performing communication through a path via a neighboring wireless communication device includes: a communication control unit configured to compute the number of links until a signal from the other wireless communication device is received; a device information holding unit configured to associate the number of computed links with information relating to the other wireless communication device and holding therein; and a display control unit configured to control the information relating to the other wireless communication device associated to the number of links based on the number of links, so as to be displayed.
US08451790B2 Method and system for transmitting downlink control information
The present invention discloses a method and a system for transmitting downlink control information, wherein when a base station is not configured with a carrier indicator field, the base station transmits a physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in a user equipment's physical downlink shared channel (PDSCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the configured PDSCH carrier set. When a base station is configured with a carrier indicator field, the base station transmits the physical downlink control channel bearing the corresponding downlink control information on each downlink component carrier in the configured physical downlink control channel (PDCCH) carrier set, and the user equipment detects the corresponding downlink control information on each downlink component carrier in the PDCCH carrier set.
US08451787B2 Allocation of preamble sequences
A set of specific sequences including a set of root sequences and cyclic shifts thereof is searched, wherein it is started from a root sequence index indicating a root sequence of ordered root sequences, available cyclic shifts of the root sequence are included, and it is continued with a next root sequence if necessary for filling the set, interpreting the ordered root sequences in a cyclic manner.
US08451785B2 Control signal aggregation in a multi-carrier WCDMA system
Methods and apparatus are disclosed for transmitting data to a remote node via each of two or more transmitted carrier signals, wherein a distinct outbound packet data traffic channel is mapped to each transmitted carrier signal. In an exemplary method, aggregated control channel data is formed by combining control channel data corresponding to each of two or more received carrier signals, simultaneously transmitting traffic channel data to the remote node on each of the two or more outbound packet data traffic channels, and transmitting the aggregated control channel data using one or more physical control channels mapped to a first one of the transmitted carrier signals. In particular, these methods and apparatus may be applied to a multi-carrier High-Speed Packet Access (HSPA) system.
US08451783B2 Method of transmitting scheduling reference signal
A method of transmitting a scheduling reference signal (SRS) for uplink scheduling is provided. The method includes transmitting a SRS on a first partial SRS transmission band in a first transmitting time, and transmitting the SRS on a second partial SRS transmission band in a second transmitting time, wherein the first and the second partial SRS transmission bands are parts of a full SRS transmission band and have exclusive positions with each other in the full SRS transmission band, the full SRS transmission band selected for uplink scheduling, the full SRS transmission band comprising a plurality of partial SRS transmission bands.
US08451782B2 Wireless network with contention and contention-free periods
A wireless network (1) comprises mesh devices and non-mesh devices. A medium access control architecture incorporates at least a point coordination function as an access method, wherein the point coordination function starts a contention-free period (30) with a beacon (32) so that a non-polled transmission by the non-mesh devices is prevented. Further, the mesh devices are enable to communicate during the contention-free period (30). Hence, communication between the mesh devices is priorisized so that a high reliability is achieved and utilization of the wireless network (1) is optimized.
US08451778B2 Method and apparatus for transmitting control signal in radio communication system
A method and an apparatus of transmitting a control signal in a wireless communication system is provided. They generate a first-spread sequence by spreading a modulated sequence in the first slot by using a first orthogonal sequence, generate a second-spread sequence by spreading a modulated sequence in the second slot by using a second orthogonal sequence. The first spread sequence and the second spread sequence are transmitted in a subframe. A length of the first orthogonal sequence is shorter than a length of the second orthogonal sequence, the second orthogonal sequence is generated by removing at least one element included in the first orthogonal sequence, and the at least one element to be removed is identical in every index of the first orthogonal sequence.
US08451774B2 Communication system and gateway apparatus
To control the communication quality on the terminal basis without making the base station more complicated, it is provided a communication system, comprising at least one computer and a gateway that is connected to the at least one computer through a first network. The gateway is connected to at least one terminal through a second network. The at least one terminal performs communications with the at least one computer via the gateway. The gateway estimates quality of the communications between the gateway and the at least one computer in the first network; and determines a priority for the communications between the gateway and the at least one terminal in the second network according to the estimated quality of the communications in the first network.
US08451772B2 Apparatus and method for supporting frequency rearrangement in wireless communication system
A base station includes a center frequency setting unit, a local oscillator, a baseband processor, and an RF processor. In the event of a frequency band change, the center frequency setting unit sets a center frequency of a use frequency channel to have a predetermined offset value with respect to a center frequency before the frequency band change. The local oscillator generates an LO frequency signal according to the center frequency set by the center frequency setting unit. The baseband processor generates a downlink baseband signal. The RF processor uses the LO frequency signal to convert the downlink baseband signal into an RF signal prior to transmission.
US08451770B2 Multi-media broadcast and multicast service (MBMS) in a wireless communication system
Techniques to implement MBMS services in a wireless communication system. In one aspect, a method is provided for processing data for transmission to a plurality of terminals. Frames of information bits (which may have variable rates) are provided to a buffer implementing a matrix. The matrix is padded with padding bits based on a particular padding scheme to support variable frame rates. The frames are then coded based on a particular block code to provide parity bits. The frame of information bits and the parity bits are then transmitted to the terminals. In another aspect, a method is provided for controlling the transmit power of a data transmission to a plurality of terminals. In accordance with the method, TPC streams are received from the terminals and processed to obtain a stream of joint power control commands used to adjust the transmit power of the data transmission.
US08451767B2 Method and apparatus for transmitting and receiving data via media access control protocol in mobile communication system
A method and an apparatus for transmitting and receiving data via a MAC protocol in a mobile communication system. The method includes inputting an SDU including transmission data through a logical channel and generating a first PDU that includes the SDU without including multiplexing information for identification of the logical channel, by a first transmission entity; acquiring the first PDU and generating a second PDU including the first PDU in a payload of the second PDU, by a second transmission entity that operates between the first transmission entity and a physical layer; inserting the multiplexing information for identification of the logical channel corresponding to the first PDU into header information of the second PDU; and transmitting the second PDU through the physical layer.
US08451765B2 Method, system and base station for transmitting MBMS in single frequency network
A method includes: sending, by an RNC, MBMS data to base stations of the target cells or sectors, distributing the same time and frequency resources, scrambling code and midamble to the cells or sectors to transmit the MBMS data, sending information of the distributed resources, scrambling code and midamble to the base stations and UEs of the target cells or sectors; and rotating, by each of the base stations, the MBMS burst signal to be sent by a random phase, sending the rotated signal to the UE using time and frequency resources distributed by RNC. A system includes an RNC, base stations and a UE, and each of the base stations includes a phase processing module and a signal sending module.
US08451764B2 Method and apparatus for supporting MBMS in system architecture evolution
The present invention discloses a system structure for supporting Evolved Multimedia Broadcast/Multicast Service (Evolved MBMS), comprising: a Broadcast/Multicast Service Center (BM-SC) for initiating control signaling and bearer services for Multimedia Broadcast/Multicast Service (MBMS); a System Architecture Evolved Gateway (SAE GW) for receiving MBMS service data and MBMS control signaling or service data from another network, and forwarding the received service data and control signaling; a Broadcast/Multicast Management Entity (BME) for receiving, processing and forwarding the MBMS control signaling, and determining, for each item of the service data for MBMS, an enhanced Node B (eNB) which needs to receive the control signaling; and an multicast User Plane Entity (mUPE) for receiving the MBMS service data, processing the received MBMS service data in Evolved Packet System Architecture Evolution, and forwarding the processed MBMS service data to a downstream node.
US08451762B2 Method and apparatus for reliably delivering multicast data
A method and apparatus are described including mapping a multicast connection to a unicast uniform resource identifier, establishing a state for a multicast-to-unicast conversion, allocating ports, receiving multicast addressed data packets and converting the multicast addressed data packets to unicast addressed data the packets.
US08451756B2 Random linear network coding for time division duplexing
Subject matter disclosed herein relates to random linear network coding schemes for reliable communications for time division duplexing channels. In at least one embodiment, a transmitter node transmits M data packets through a half-duplex link using random linear network coding. The transmitter node transmits coded packets back-to-back through the link before stopping to wait for an acknowledgement (ACK) packet. An optimal number of coded packets Ni to be transmitted in a subsequent transmission may then be determined based, at least in part, on a number of degrees of freedom (DOFs) a receiving node needs to decode the M information packets from received coded packets.
US08451754B2 Methods, apparatus and articles of manufacture to manage routing in networks
Example methods, apparatus and articles to manage routing in networks are disclosed. A disclosed example method includes obtaining a first interior gateway routing protocol route selection metric associated with a first router and a second interior gateway routing protocol route selection metric associated with a second router communicatively coupled to the first router, detecting whether a mismatch exists between the first and second first interior gateway routing protocol route selection metrics, determining, using a Bellman-Ford algorithm, a target interior gateway routing protocol route selection metric when the mismatch is detected, and transmitting the target interior gateway routing protocol route selection metric to at least one of the first and second routers.
US08451752B2 Seamless handoff scheme for multi-radio wireless mesh network
A mobile device communicates with a first mesh access point (AP) via a first radio frequency (RF) interface of the mobile device over a first wireless connection, where the first mesh AP is one of mesh APs of a first mesh cell of the wireless mesh network. It is detected that signal quality of the first wireless connection drops below a predetermined threshold as the mobile device moves from the first mesh cell towards a second mesh cell. In response to the detection, it is established via a second RF interface of the mobile device a second wireless connection with a second mesh AP of a second mesh cell of the wireless mesh network, while concurrently maintaining the first wireless connection with the first mesh AP via the first RF interface.
US08451750B2 Validation of routes advertised by border gateway protocol
Disclosed are, inter alia, methods, apparatus, computer-storage media, mechanisms, and means associated with validation of routes advertised by Border Gateway Protocol. One embodiment validates or invalidates a route received in a Border Gateway Protocol (BGP) update message. A route is validated in response to determining that the originating autonomous system specified in the AS_Path attribute for the route in a received BGP update message has authority to advertise the route and/or whether or not multiple autonomous systems identified in the AS_Path attribute of the update message is authorized to advertise the route, possibly in a particular order.
US08451749B2 Wireless communication device and wireless communication control method
In the case where one set of EDCA access parameters is set, there are problems such as failure in performing QoS when a transmission rate is changed and a deterioration in transmission efficiency. A relay device is a wireless communication device which transmits received data according to a priority level of the data, including: a transmitting unit which transmits received data; a rate measuring unit which measures a rate at which the transmitting unit transmits the data; and a transmission control unit which adaptively controls a transmission waiting time for which the transmitting unit waits until start of the transmission of the data, according to the transmission rate of the transmitting unit which is measured by the rate measuring unit, wherein the transmitting unit transmits the data according to transmission control by the transmission control unit.
US08451746B2 Concurrency method for forecasting impact of speed tiers on consumption
A forecast model processes performance data from a site, e.g., a cable modem termination system (CMTS), to obtain a set of concurrency equations for existing speed tiers that is based on an observed subscriber bandwidth for the site. A new set of concurrency equations is obtained for new speed tiers so that a new subscriber bandwidth can be predicted for the new speed tiers. Based on the new subscriber bandwidth, expected subscriber growth, and changes in data consumption, the site is reconfigured with additional ports based on the forecast. This process can be repeated for the other sites. Sites may be grouped together based on the observed subscriber bandwidth. A new subscriber bandwidth may be predicted for the group with the new speed tiers so that additional ports can be configured for each of the sites in the group.
US08451739B2 Method and system for detecting failures of network nodes
Systems and methods for detecting device failures in a network having nodes coupled to a central controller, in which a first of the nodes communicates with the central controller via a second of the nodes. When the second node determines that the first node has not transmitted a predetermined number of messages over a predefined number of time periods, the second node provides a failure alert to the central controller. The central controller records a failure alert received from the second node in a log. Based on a set of failure alerts received from a number of nodes recorded in the log, the central controller determines whether the first node has failed.
US08451738B2 Signal transmitting apparatus and signal transmitting method
A signal transmitting apparatus includes: a plurality of data transmission lines that transmit output data to a memory; a plurality of delay units that are correspondingly connected to the plurality of data transmission lines, that delay test data according to a delay signal for a predetermined time, and that output the delayed test data to each of the data transmission lines; and a transmitting/receiving controller that compares the stored data in the memory with the test data to adjust the delay signal, and that outputs the adjusted delay signal to each of the plurality of delay units. With this configuration, when data is transmitted to a memory through a data bus, a delay value can be adjusted among a plurality of signal lines constituting a data bus, and thus signal transmission can be performed uniformly.
US08451735B2 Systems and methods for dynamic load balancing in a wireless network
The present disclosure relates to systems and methods for dynamic load balancing in a wireless network, such as a wireless local area network (WLAN) and the like. Specifically, the present invention periodically provides dynamic load balancing of mobile devices associated with a plurality of wireless access devices. This may include determining an optimum load and instructing wireless access devices that are overloaded to disassociate some mobile devices based upon predefined criteria. This disassociation is performed in a manner to minimize disruption by disassociating mobile devices with low usage, with close proximity to underutilized wireless access devices, and mobile devices not currently operating critical applications, such as voice.
US08451734B2 Measurement of data loss in a communication network
A method for measuring data loss of a data flow in a communication network is provided. The method includes, at a transmitting node: marking each data unit of the data flow for dividing the data flow in blocks so that: data units of a same block have a feature with a same value, while data units of contiguous blocks have the feature with different values; increasing a first counter when the feature has the first value, and a second counter when the feature has the second value; and transmitting the data flow to a receiving node. The method includes, at the receiving node, for each data unit: checking the feature, increasing a third counter when the feature has the first value, and increasing a second counter when the feature has the second value. The method includes calculating data loss based on detected values of first, second, third and fourth counters.
US08451730B2 Apparatus and method for implementing multiple high speed switching fabrics in an ethernet ring topology
A network device for implementing a high speed transmission protocol. The network device includes a plurality of high speed modules which are connected by a plurality of high speed links. Each of the plurality of high speed modules implements the high speed transmission protocol and each of the plurality of high speed modules being implemented in an Ethernet ring topology. A medium access control layer in each of the plurality of high speed modules is modified in a manner that is transparent to a switching entity in each of the plurality of high speed modules. The high speed transmission protocol comprises a plurality of aspects including an in-banding messaging mechanism for efficient and responsive traffic management and network operation.
US08451728B2 Adaptive voice packetization
A method is presented for adapting the packet size for VoIP communications, determined on-the-fly by the total network delay inherent at the time of packet transmission. If network delays are small relative to the maximum permissible latency for VoIP communications, the payload size per packet may be increased to maximize efficiency for the transmitted call. Alternatively, if network delays are large, the payload size per packet may be decreased in order to assure that the perceived quality of the transmitted call is acceptable.
US08451726B2 Link adaptation in wireless networks
An embodiment of a system for physical link adaptation in a wireless communication network such as e.g., a WLAN, selectively varies the physical mode of operation of the transmission channels serving the mobile stations in the network. The system includes an estimation module to evaluate transmission losses due to collisions as well as transmission losses due to channel errors over the transmission channel, and an adaptation module to select the physical mode of operation of the transmission channel as a function of the transmission losses due to collisions and to channel errors as evaluated by the estimation module.
US08451725B1 Method and apparatus for distributed compositional control of end-to-end media in IP networks
A method and an apparatus for performing a distributed control of end-to-end media on packet networks such as Voice over Internet Protocol (VoIP) and Service over Internet Protocol (SoIP) networks are disclosed. The method first receives a request from a first media endpoint device for opening at least one media channel to a second media endpoint device wherein said request contains a descriptor of said first media endpoint device. The method then updates one or more slot states and link states in response to said request and records the current state of each slot for supporting said media channel. The method also records the most recently received descriptor of said media endpoint device as a most recent descriptor for said slot supporting said media channel. The method executes one or more link objects in response to said request for controlling said at least one media channel.
US08451722B2 Data transfer apparatus
A data transfer apparatus is provided for monitoring the bandwidth of a first and a second flow, comprises flow detecting means for comparing information in a header field of a packet with the first and second detection conditions to detect a flow to which the packet belongs, compliance/violation determining means for measuring the bandwidth of the packet belonging to the detected flow to determine whether the packet complies with or violates a traffic condition which is set corresponding to each flow detection condition, and packet processing determining means for determining processing for a packet which satisfies both the first and second flow conditions based on the compliance/violation determination results corresponding to both traffic conditions, and determining processing for a packet which satisfies one of the first and second flow conditions based on the compliance/violation result corresponding to the flow detection condition satisfied by the packet.
US08451719B2 Video stream admission
A video stream admission method including receiving one or more parameters of a video stream, indicative of a required bandwidth for the video stream, in a plurality of different quality levels and determining based on the received one or more parameters, whether a channel can meet a predetermined condition for each of the plurality of quality levels, according to an available bandwidth of the channel.
US08451718B2 Flow control and congestion control in a data distribution network
Methods, systems, and devices are provided for managing flow of datagram traffic, generally across networks. According to some of these methods, a flow control mechanism is used to avoid over-subscription of some ports without pausing extended areas of a network. According to other methods, a congestion control mechanism is used to minimize datagram traffic between a port sending datagrams to an over-subscribed port and the over-subscribed port itself.
US08451709B2 Radio communication device
The invention provides precise estimation of a channel response and correct demodulation of an information signal even in the circumstance of being likely suffering interference. The invention includes an error correcting code unit 1, an S/P converting unit 2, a mapping unit 3, an IDFT (Inverse Discrete Fourier Transform) unit (IFFT: Inverse Fast Fourier Transform can be used) 4, a P/S converting unit 5, a GI (Guard Interval) inserting unit 6, preamble (A, B0, B1) storage selecting units 11-a and 11-b, switch units 12-a and 12-b, D/A converting units 13-a and 13-b, radio units 14-a and 14-b and antenna units 15-a and 15-b.
US08451704B2 Reflection type wavelength plate and optical head device
A phase difference layer 12 and a reflection layer 13 are provided. Then, adjustment is performed such that the phase difference layer 12 and the reflection layer 13 impart a predetermined phase difference to light having a particular wavelength bandwidth or plural kinds of light of different wavelengths that enter in an oblique direction relative to the normal direction of the plane of the phase difference layer 12. By virtue of this, the light 16a that goes forward and backward through the phase difference layer 12 and then exits the layer has an ellipticity κ of 0.7 or greater. Thus, in particular, when this wave plate is employed in an optical head device, the function of reflection and the function of a ¼-wave plate are integrated. Thus, stable recording and reproduction of an optical disk are achieved, and size reduction is achieved in the optical head device.
US08451699B2 Optical information reproduction device, optical information recording device, optical information reproduction method, and optical information recording method
The present invention accurately operates a tilt servo even if a gap servo is operated with a small gap. A condensing unit (102) generates a near-field light and condenses a laser beam on an optical disk (1), a light quantity detection unit (104) detects light quantity of return light from an area where the near-field light is generated, a gap control unit (105) controls a gap between the condensing unit (102) and the optical disk (1) based on the light quantity of the return light, a tilt calculation unit (106) calculates, in a state of controlling the gap, an inclination amount between the condensing unit (102) and the optical disk (1) based on the light quantity of the return light, a tilt error signal generation unit (107) generates from the inclination amount a tilt error signal, which is a signal from which a fluctuation component of the return light generated due to decentering of the optical disk (1) is removed, and a tilt control unit (108) controls the inclination between the condensing unit (102) and the optical disk (1) based on the tilt error signal.
US08451697B1 Disk drive centering demodulation windows on spiral tracks during a seek operation
A disk drive is disclosed comprising a head actuated over a disk comprising a plurality of spiral tracks. During a seek operation, a demodulation window is opened in response to a window offset during a first revolution of the disk, wherein the demodulation window corresponds to the head approaching a spiral track. A window position error signal (PES) is generated representing a difference between a target framing of the demodulation window around the spiral track crossing and a detected framing of the demodulation window around the spiral track crossing. The window offset is adjusted in response to the first window PES, and the demodulation window is opened in response to the adjusted window offset during a second revolution of the disk.
US08451696B2 Temperature sensor in a thermally assisted magnetic recording head
A method and apparatus for providing a signal for driving a heating element in a TAR or HAMR enabled disk storage system that includes an optical transducer (or near-field optical source) for further focusing the beamspot of a laser onto a magnetic media, thereby heating the media. The storage system includes a temperature sensor proximate to the near-field transducer which provides a feedback loop to the laser driver to adjust the power of the laser.
US08451695B2 Vertical cavity surface emitting laser with integrated mirror and waveguide
An apparatus includes an extended cavity vertical cavity surface emitting laser producing light and having an active region, a first reflector position adjacent to a first side of the active region, an extended cavity positioned adjacent to a second side of the active region, and a second reflector reflecting a first portion of the light into the extended cavity and transmitting a second portion of the light, a planar waveguide positioned adjacent to the extended cavity vertical cavity surface emitting laser, and a horizontal coupler structured to couple the second portion of light from the extended cavity vertical cavity surface emitting laser into the waveguide.
US08451694B2 Ultrasonic sensor unit and electronic device
An ultrasonic sensor unit includes a transmission base plate and a reception base plate. The transmission base plate includes an ultrasonic transmission sensor configured and arranged to transmit ultrasonic waves. The reception base plate includes an ultrasonic reception sensor configured and arranged to receive the ultrasonic waves. One of the transmission base plate and the reception base plate define a through-hole at a position corresponding to one of the ultrasonic transmission sensor and the ultrasonic reception sensor provided in the other of the transmission base plate and the reception base plate so that the one of the ultrasonic transmission sensor and the ultrasonic reception sensor is exposed through the through-hole.
US08451684B2 Surface wave mitigation in spatially inhomogeneous media
Embodiments are directed to systems and methods (200, 300) that enable spatial variability of surface waves to be accounted for in dispersion correction in seismic data processing. This yields superior surface wave noise mitigation, with reduced likelihood of attenuating signal. Embodiments are operative with spatially inhomogeneous media.
US08451683B2 Method for determining the fluid/pressure distribution of hydrocarbon reservoirs from 4D seismic data
A method including analyzing seismic data relating to a producing hydrocarbon reservoir is disclosed. The seismic data includes first and second sets of seismic data obtained at different times. An interval composed substantially of hard rock is identified in the hydrocarbon reservoir. 4D seismic attributes for the region are calculated. Rock physics relationships are applied to seismic data related to the interval according to the permeability associated therewith. A fluid saturation change or a pressure change of the interval is inferred based on outputs of the first or second sets of rock physics relationships and the calculated 4D attributes for the interval. The inferred fluid saturation change or pressure change of the interval is outputted.
US08451682B2 Method and apparatus for deghosting seismic data
Apparatus, computer instructions and method for deghosting seismic data related to a subsurface of a body of water. The method includes inputting data recorded by detectors that are towed by a vessel, the data being associated with waves travelling from the subsurface to the detectors; applying a migration procedure to the data to determine a first image of the subsurface; applying a mirror migration procedure to the data to determine a second image of the subsurface; joint deconvoluting the first image and the second image for deghosting a reflectivity of the subsurface; and generating a final image of the subsurface based on the deghosted reflectivity of the joint deconvoluting step.
US08451676B2 Semiconductor device with signal lines and shield lines
A semiconductor device may include, but is not limited to, a first signal line, a second signal line, and a first shield line. The first signal line is supplied with a first signal. The first signal is smaller in amplitude than a potential difference between a power potential and a reference potential. The second signal line is disposed in a first side of the first signal line. The second signal line is supplied with a second signal. The second signal is smaller in amplitude than the potential difference. The first shield line is disposed in a second side of the first signal line. The second side is opposite to the first side. The first shield line reduces a coupling noise that is applied to the first shield line from the second side.
US08451675B2 Methods for accessing DRAM cells using separate bit line control
A memory system that includes a first bit line coupled to a first set of dynamic random access memory (DRAM) cells, a second (complementary) bit line coupled to a second set of DRAM cells, and a sense amplifier coupled to the first and second bit lines. The sense amplifier includes a pair of cross-coupled inverters (or a similar latching circuit) coupled between the first and second bit lines, as well as a first select transistor coupling the first bit line to a first global bit line, and a second select transistor coupling the second bit line to a second global bit line. The first and second select transistors are independently controlled, thereby enabling improved read and write access sequences to be implemented, whereby signal loss associated with bit line coupling is eliminated, ‘read bump’ conditions are eliminated, and late write conditions are eliminated.
US08451674B2 Clock synchronization in a memory system
Synchronization is provided in a memory system. During memory write operations a timing reference signal is transmitted with control signals to a memory device, and a calibration signal is received from the memory device. An internal clock signal is adjusted based on the calibration signal, and a data signal is then transmitted according to the internal clock. In this manner, the data is synchronized such that the data is accurately sampled according to the local clock signal.
US08451669B2 Multi-power domain design
In some embodiments related to a memory array, a sense amplifier (SA) uses a first power supply, e.g., voltage VDDA, while other circuitry, e.g., signal output logic, uses a second power supply, e.g., voltage VDDB. Various embodiments place the SA and a pair of transferring devices at a local IO row, and a voltage keeper at the main IO section of the same memory array. The SA, the transferring devices, and the voltage keeper, when appropriate, operate together so that the data logic of the circuitry provided by voltage VDDB is the same as the data logic of the circuitry provided by voltage VDDA.
US08451667B2 Pair bit line programming to improve boost voltage clamping
A non-volatile storage system reduces program disturb in a set of non-volatile storage elements by programming using selected bit line patterns which increase the clamped boosting potential of an inhibited channel to avoid program disturb. Alternate pairs of adjacent bit lines are grouped into first and second sets. Non-volatile storage elements of the first set of pairs are subject to program pulses and verify operations in each of a first number of iterations, after which non-volatile storage elements of the second set of pairs is subject to program pulses and verify operations in each of a second number of iterations.
US08451666B2 Reading a memory element within a crossbar array
A method for reading a memory element within a crossbar array, the method including selecting a column line connected to a target memory element of the crossbar array by applying a supply voltage to a source follower, a gate terminal of the source follower connected to the column line; applying bias voltages to row lines of the crossbar array; storing an output voltage of the source follower in a storage element; applying a sense voltage to a row line connected to the target memory element; and outputting a difference between the voltage stored in the storage element and an output voltage of the source follower while the sense voltage is applied to the row line.
US08451661B2 Programming methods and memories
Methods of programming memory cells, and memories incorporating such methods, are disclosed. In at least one embodiment, programming is accomplished by applying a set of incrementing program pulses to program a selected cell to a first target threshold voltage, and applying a set of incrementing inhibit pulses to an unselected cell to fine-tune program the selected cell to a second threshold voltage.
US08451657B2 Nonvolatile semiconductor memory device using MIS transistor
A nonvolatile semiconductor memory device includes an MIS transistor having nodes, a control circuit configured to apply a first set of potentials to the nodes to cause an irreversible change in transistor characteristics, to apply a second set of potentials to the nodes to cause a first current to flow through the MIS transistor in a first direction, and to apply the second set of potentials to the nodes to cause a second current to flow through the MIS transistor in a second direction opposite the first direction, and a sense circuit configured to produce a signal responsive to a difference between the first current and the second current.
US08451655B2 MRAM cells and circuit for programming the same
A circuit includes magneto-resistive random access memory (MRAM) cell and a control circuit. The control circuit is electrically coupled to the MRAM cell, and includes a current source configured to provide a first writing pulse to write a value into the MRAM cell, and a read circuit configured to measure a status of the MRAM cell. The control circuit is further configured to verify whether a successful writing is achieved through the first writing pulse.
US08451653B2 Semiconductor integrated circuit having a test function for detecting a defective cell
Flip-flop memory cells are connected to a pair of bit lines and respectively to word lines. A word line driver outputs a word line selection pulse to one of the word lines in a word line selection period. A write circuit gives a potential difference corresponding to input data to the pair of bit lines after a start of the word line selection period. In a first operation mode, the potential difference of the pair of bit lines is reset in the word line selection period, and in the second mode, the potential difference of the pair of bit lines is reset after the word line selection period.
US08451648B2 Resistance-change memory and method of operating the same
According to one embodiment, a resistance-change memory includes a memory element in which its variable resistance state corresponds to data to be stored therein, a pulse generation circuit which generates a first pulse, a second pulse, a third pulse, and a fourth pulse, the first pulse having a first amplitude which changes the resistance state of the memory element from a high- to a low-resistance state, the third pulse having a third amplitude smaller than the first amplitude to read data in the memory element, the fourth pulse having a fourth amplitude between the first amplitude and the third amplitude, and a control circuit which controls the operations of the memory element and the pulse generation circuit. The control circuit supplies the fourth pulse to the memory element after supplying the first pulse to the memory element.
US08451645B2 Variable resistance memory devices and methods of programming variable resistance memory devices
A variable resistance memory device includes a variable resistance memory cell, and a by-pass circuit configured to electrically by-pass a programming pulse supplied to the variable resistance memory cell after a resistive state of the variable resistance memory cell has changed in response to the programming pulse.
US08451644B2 Non-volatile sampler
A non-volatile sampler including a row line for receiving an input signal to be sampled, the row line intersecting a number of column lines, non-volatile storage elements being disposed at intersections between the row line and the column lines; a bias voltage source connected to the column lines, the bias voltage source for selectively applying a bias voltage to at least one of the non-volatile storage elements to cause the at least one of the storage elements to store a sample of the input signal at the instance the bias voltage is applied.
US08451643B2 Semiconductor memory device rewriting data after execution of multiple read operations
Provided is a semiconductor memory device including a memory cell; a writing driver providing a program current to the memory cell to write data in the memory cell; a sense amplifier processing a read operation reading data written in the memory cell; and a controller providing a rewriting signal for rewriting data read from the sense amplifier in the memory cell to the writing driver after the sense amplifier repeatedly applies a read operation more than a predetermined number of times.
US08451639B2 Automatic voltage selector control circuit for test sets with tap selectable line input transformers
An input adaptable electrical test set provides for the automatic detection of the power source connected to the test set, as well as automatic configuration of the test set to accommodate the identified power source. Prior to identification of the power source, a circuit breaker isolates a main transformer associated with the test set from receiving power from the power source. The main transformer includes a primary winding and a secondary winding, the primary winding having first, second and third tap positions that allows the transformer to be configured in one of two states depending on the power source connected to the test set. An automatic input voltage detection circuit monitors the input voltage provided by the unidentified power source and identifies the power source based on the monitored voltage. Based on the identification of the power source, the automatic input voltage detection circuit selects the configuration of the main transformer and the circuit breaker is closed to allow power from the power source to be supplied to the main transformer.
US08451636B2 Static converter and method for starting up the converter
A static converter that includes a power converter circuit having a plurality of interconnected module branches. Each module branch may have one or more electrically series-connected two-pole submodules as switchable voltage sources which each include a capacitor as an energy store and power semiconductors as electronic switching elements. A device for precharging the capacitors is included that has at least one power electronics device for providing an adjustable precharge current. The at least one power electronics device, being supplied with power by an auxiliary supply system and being connected to a converter bridge via a precharge transformer, can be used to achieve a sufficiently high voltage level for the capacitors of the submodules when the converter is started up so as to achieve firstly the minimum voltage for supplying power to the power semiconductors and secondly the minimum voltage for synchronization to the systems.
US08451632B2 Dual-Switches flyback power converter with self-excited supply to power the high-side driver
An exemplary embodiment of a flyback power converter includes a transformer for power transfer, a high-side transistor, a low-side transistor, two diodes, a control circuit, and a high-side drive circuit. The high-side transistor and the low-side transistor are coupled to switch the transformer. The two diodes are coupled to said transformer to circulate energy of leakage inductance of the transformer to an input power rail of the power converter. The control circuit generates a switching signal coupled to control the high-side transistor and the low-side transistor. The high-side drive circuit is coupled to receive the switching signal for driving the high-side transistor. The transformer has an auxiliary winding generating a floating power to provide power supply for said high-side drive circuit.
US08451629B2 Integrated circuit for an oscillator structured to drive a control device of a switching resonant converter
A circuit for an oscillator structured to drive a control device of a switching resonant converter; the converter having a switching circuit structured to drive a resonant load provided with at least one transformer with at least a primary winding and at least a secondary winding. The control device structured to drive the switching circuit, and the converter structured to convert an input signal into an output signal, the integrated circuit includes a first circuit structured to charge and discharge a capacitor by a first current signal such that the voltage at the ends of the capacitor is between first and second reference voltages, the current signal having a second current signal indicating the output voltage of the converter; the integrated circuit including a second circuit structured to rectify a signal indicating the current circulating in the primary winding.
US08451623B2 Mounting apparatus for expansion card
A mounting apparatus includes a chassis, an expansion piece secured to a first end of an expansion card, a carrier and a supporting device configured to support a second end of the expansion card. The chassis includes a bottom plate, and the carrier is mounted on the bottom plate. The supporting device includes a first supporting member secured to the carrier, and a second supporting member secured to the first supporting member. The first supporting member and the second supporting member sandwich the expansion card when the second supporting member is attached on the first supporting member.
US08451622B2 Circuit board module
A circuit board module includes a circuit board, a plurality of electronic components, a plurality of connectors and a cover. The circuit board includes a heat dissipation unit. The electronic components, the connectors and the heat dissipation unit are disposed on a first surface of the circuit board. The cover has a plurality of openings with the shapes and the sizes corresponding to the connectors and the heat dissipation unit. When the cover covers the circuit board, the openings expose the connectors and the heat dissipation unit. Users can plug and pull the connectors of the circuit board through the openings. The size of the cover is corresponding to the circuit board. The circuit board module is dust-proof and can prevent the users from accidentally touching the electronic components.
US08451616B2 Electronic apparatus
According to one embodiment, an electronic apparatus includes a housing, a wiring pattern, a recess, a pad portion, and an electronic component. The wiring pattern is formed on an inner surface of the housing from an electrically conductive adhesive. The recess is in the inner surface of the housing. The pad portion is formed in the recess from the conductive adhesive and connected to an end portion of the wiring pattern. The electronic component includes a terminal which contacts the pad portion.
US08451614B2 Module and electronic device
According to one embodiment, a module includes a circuit substrate having a circuit pattern which is formed of a first conductor and which includes a signal circuit, a bonding member formed of a second conductor different from the first conductor, a passive element and an active element bonded to the circuit pattern with the bonding member to implement the circuit substrate, and a detection circuit provided separately from the signal circuit on the circuit substrate. The detection circuit includes a detector having the first conductor and the second conductor which are provided on the circuit substrate and which are electrically connected to each other, a power source configured to supply current to the detector, and a measuring instrument interposed between one of the first and the second conductors in the detector and the power source and configured to measure electrical characteristics between the first and the second conductors.
US08451612B2 Supply-line management device
A line-management device for use in applications involving hoisting a load, the device having two or more parts, each part being releasably securable to at least one other part and comprising a body portion (1) and engaging means (6) and (7) for securably engaging with at least one other part and being shaped such that, in combination with the other part, a cavity is defined for receiving a load-bearing line, the device comprising attachment means (10) for attachment of a secondary line to be managed and, in use, the device being moveable longitudinally about the load-bearing line.
US08451610B2 Electrical circuit component carrier
An extruded aluminum electrical circuit component carrier on which at least one electrical circuit component is to be mounted. A first side portion and a second side portion include areas for mounting at least one first electrical circuit component part and at least one second electrical circuit component part. An inlet to which an inlet conduit for a cooling liquid can be connected. An outlet to which an outlet conduit for the cooling liquid can be connected. At least one supply passage for the cooling liquid formed through the first side portion. At least one return passage for the cooling liquid formed through the second side portion. The at least one supply passage is connected to the at least one return passage in series. An area of a cross-section of the at least one return passage is smaller than an area of a cross-section of the at least one supply passage, whereby in use a flow velocity of the at least one return passage exceeds a flow velocity of the at least one supply passage so that an essentially uniform cooling capacity for the first and second electrical circuit component parts is achieved.
US08451607B2 Keyboard
A keyboard including a case, a first fan, an air deflector and a keycap module is provided. The case includes a first side and a second side. The first side has an opening, the second side is disposed at a side of the first side and has at least one hole. The first fan is disposed at the second side and located between the first side and the second side. The air deflector is disposed between the first side and the second side of the case and corresponding to the hole of the second side and the opening of the first side. The keycap module is disposed at the opening of the first side.
US08451606B2 Electronic device
An electronic device includes: a chassis for housing an electronic unit; and a hold member capable of holding to a fan unit blowing air toward the electronic unit and attachable to and detachable from a plurality of positions of the chassis.
US08451598B2 Small form factor desk top computer
An aesthetically pleasing small form factor desktop computer is described. The small form factor desktop computer can be formed of a single piece seamless housing that in the described embodiment is machined from a single billet of aluminum. The single piece seamless housing includes an aesthetically pleasing foot support having at least a portion formed of RF transparent material that provides easy user access to selected internal components as well as offers electromagnetic (EM) shielding. This simplicity of design can accrue many advantages to the small form factor desktop computer besides those related to aesthetic look and feel. Fewer components and less time and effort can be required for assembly of the small form factor desktop computer and the absence of seams in the single piece housing can provide good protection against environmental contamination of internal components as well as EM shielding.
US08451592B2 Electronic package, display device, and electronic device
Provided is a liquid crystal display device (69) including: a liquid crystal display panel unit (49); a backlight unit (59); and a front bezel (BZ1) and a rear bezel (BZ2) for housing the liquid crystal display panel unit and the backlight unit. The liquid crystal display panel unit includes an FPC board (1) which winds around side walls (WL2) and a bottom surface (31) of the rear bezel so as to cover the side walls (WL2) and the bottom surface (31). Outer claw sections (CW1) projecting inward from the side walls (WL1) of the front bezel and inner claw sections (CW2) projecting outward from the side walls of the rear bezel are engaged with each other through openings (HL) provided in the FPC board, thereby integrating the front bezel and the rear bezel.
US08451590B2 Modular power distribution system and methods
A modular power distribution system comprises a chassis; and a backplane including a power input, and a plurality of module connection locations. A plurality of modules are mounted in the chassis, each module mounted to one of the module connection locations. Each module includes: (i) an OR-ing diode; (ii) a circuit protection device; (iii) a microprocessor controlling the circuit protection device; and (iv) a power output connection location. A circuit option switch is located on each module for setting the current limits for each module. A control module is provided connected to the backplane.
US08451587B2 Method for interconnecting anodes and cathodes in a flat capacitor
A method includes connecting together one or more anode connection members of one or more anode foils and one or more cathode connection members of one or more cathode foils and electrically isolating the one or more anode foils from the one or more cathode foils. A capacitor stack includes a plurality of cathode layers having cathode connection members and a plurality of anode layers having anode connection members. The anode connection members are connected to the cathode connection members and configured such that the anode layers can be electrically separated from the cathode layers by cutting only the anode connection members or the cathode connection members.
US08451586B2 Sealing assembly for a wet electrolytic capacitor
A wet electrolytic capacitor that contains an anode and a fluid electrolyte that are positioned within a casing is provided. The capacitor also contains a sealing assembly that employs a bushing having opposing inwardly facing, tapered surfaces between which an orifice is defined. To help inhibit leakage from the orifice, a liquid sealing member is also employed that contains a protrusion having outwardly facing, tapered surfaces that are configured to mate with the inwardly facing surfaces of the bushing. At least one outwardly facing surface of the sealing member is tapered at an angle greater than a respective inwardly facing surface of the bushing.
US08451584B2 Solid state energy storage device and method
A solid state energy storage device has two electrodes, a membrane separator and a solid electrolyte having a substantially solid solvent, a salt and a mediator. The energy storage device stores electric charge by both Faradaic and non-Faradaic systems. The energy storage device may include activated carbon mixed with the electrolyte and sonicated to provide connection between the activated carbon and the mediator. The energy storage device is hot pressed to increase conductivity. The two electrodes may be asymmetric in amount of reduced and oxidized species of mediator.
US08451582B2 Capacitors with high energy storage density and low ESR
Electrostatic capacitors with high capacitance density and high-energy storage are implemented over conventional electrolytic capacitor anode substrates using highly conformal contact layers deposited by atomic layer deposition. Capacitor films that are suitable for energy storage, electrical and electronics circuits, and for integration onto PC boards endure long lifetime and high-temperature operation range.
US08451579B2 Metalized film capacitor
A metalized film capacitor includes a first dielectric film, a first metal thin-film electrode provided on a surface of the first dielectric film, a second dielectric film provided on the first metal thin-film electrode, and a second metal thin-film electrode provided on the second dielectric film, such that the second metal thin-film electrode faces the first metal thin-film electrode across the second dielectric film. The surface of the first dielectric film has a surface energy ranging from 25 mN/m to 40 mN/m. The metalized film capacitor exhibits high heat resistance and a preferable self-healing effect.
US08451576B2 SCR circuit for protecting central office end of telephone line
A protection circuit employing a pair of SCR devices connected respectfully from telephone line tip conductor and ring conductors to ground. The SCR devices are of the type providing internal semiconductor resistors between the gate and cathode terminals for sensing overcurrents in the telephone line conductors, and providing voltage sensitive semiconductor regions so that the SCR devices are sensitive to overvoltages on the telephone line conductors. A pair of diodes are connected across the cathode-anode terminals of the SCR devices to provide overvoltage protection for positive polarity overvoltages on the telephone line.
US08451572B2 Protective device with metering and oscillography
A device, such as an intelligent electronic device (IED), provides a monitoring and protective function for a power system. The protective function uses stimulus acquired from the power system to detect power system conditions and to take one or more protective actions responsive thereto. The device may detect arc flash events in the power system based upon electro-optical and/or current stimulus measurements obtained therefrom. The stimulus measurements may be recorded to use in metering, validation, identifying detector misoperation, and/or event oscillography.
US08451568B2 Remotely-controllable circuit breaker
The invention relates to a remotely-controllable circuit breaker, including a first circuit breaking unit, remote control unit, and housing. The first circuit breaking unit and the remote control unit are disposed in the housing; the first circuit breaking unit operates to switch on or off loads and electric lines; the remote control unit operates to control the interruption of the remotely-controllable circuit breaker via a remote control signal; and the housing is made of insulating and flame-retardant materials.
US08451567B2 High resolution magnetic read head using top exchange biasing and/or lateral hand biasing of the free layer
A CPP (Current Perpendicular to Plane) MR (Magnetoresistive) read head and its method of fabrication includes a patterned CPP MR sensor stack having a SAF (Synthetic Antiferromagnetic) free layer structure that is longitudinally biased by the combination of an exchange biasing layer formed over the sensor stack and hard biasing layers that are formed adjacent to the patterned sides of the stack. The combination provides the stack with high resolution reading capabilities without the necessity for a narrow read gap formed by closely spaced top and bottom shields. Sixteen embodiments are described that provide different versions of the exchange biasing layer, different positions of the hard biasing layers and different patternings of the CPP MR sensor stack.
US08451565B1 Magnetoresistive head having perpendicularly offset anisotropy films and a hard disk drive using the same
In one embodiment, a magnetic head includes a lower shield layer, a sensor stack positioned above the lower shield layer, the sensor stack including a free layer, a layered hard bias magnet positioned above the lower shield layer and on both sides of the sensor stack in a track width direction, and an upper shield layer positioned above the hard bias magnet and the sensor stack. The hard bias magnet includes a perpendicular anisotropy film positioned above the lower shield layer and aligned with both sides of the sensor stack in the track width direction, wherein the perpendicular anisotropy film directs magnetic fields in a direction perpendicular to planes of formation thereof, and an in-plane anisotropy film positioned above the perpendicular anisotropy film, wherein the in-plane anisotropy film directs magnetic fields in a direction of planes of formation thereof.
US08451564B2 Impact energy dispersing crash stop for a hard disk drive
A hard disk drive including a crash stop is disclosed. The crash stop includes a shaft and a resilient member covering a portion of the shaft. In addition, the resilient member includes a right side protrusion and a left side protrusion. The right and left side protrusions are configured to disperse energy from an impact between a head stack assembly and the crash stop.
US08451559B1 Disk drive having a base with a protruding peripheral metal flange that is folded over a top cover to enclose helium
A novel disk drive enclosure includes a disk drive base having a bottom portion and four side walls that define a cavity therebetween. At least one disk is mounted in the cavity. The disk drive also includes a top seal that includes a peripheral portion that overlies each of the four side walls and a central portion that spans the cavity. A metal flange protrudes from all four side walls of the disk drive base, and is folded over the peripheral portion of the top seal along all four side walls. The top seal is continuously adhered to the metal flange along an entire length of all four side walls. The disk drive enclosure encloses helium gas.
US08451558B2 Disk drive device with appropriate number of combinations of magnetic poles and salient poles to reduce thickness of the disk drive device
A disk drive device includes: a base member; a hub on which a recording disk is placed; a bearing unit arranged on the base member for rotatably supporting the hub; and a spindle drive unit for rotationally driving the hub, wherein the spindle drive unit includes a stator core having salient poles, a coil wound around each of the salient poles, and a magnet having a plurality of magnetic poles arranged in a circumferential direction opposed to the salient poles, the hub includes an outer cylindrical portion formed of a magnetic material and engaged with an inner periphery of the recording disk, and an inner cylindrical portion fixing an outer periphery of the magnet, the number of magnetic poles is an even number in a range of 10 to 16, and the number of salient poles is a multiple of 3 in a range of 12 to 24.
US08451555B2 Recording head for heat assisted magnetic recording
An apparatus includes a waveguide having a core layer and an end adjacent to an air bearing surface, first and second poles magnetically coupled to each other and positioned on opposite sides of the waveguide, wherein the first pole includes a first portion spaced from the waveguide and a second portion extending from the first portion toward the air bearing surface, with the second portion being structured such that an end of the second portion is closer to the core layer of the waveguide than the first portion, and a heat sink positioned adjacent to the second portion of the first pole.
US08451552B2 Lens driving device
A lens driving device which can stably support a lead screw, and furthermore, can reduce driving load while maintaining a centering function for stabilizing a lens stop position. The lens driving device comprises a lens for holding member holding a photographic lens, a lead screw for moving the lens holding member forward and backward in a photographic optical axis direction, and a first support member and a second support member for rotationally supporting the lead screw. The second support member has a support concave portion having an apex for supporting the lead screw, and the lead screw has a support portion that is in point contact with the support concave portion having the apex.
US08451551B2 Image reading apparatus and image forming apparatus provided therewith
This image reading apparatus, includes: a first retaining member that retains a lens unit; a second retaining member that retains a sensor unit; and a positioning member that sets a relative position between the first retaining member and the second retaining member, wherein the positioning member comprises: a first concave portion that is sagged from a first contact surface to be in contact with the first retaining member; and a second concave portion that is sagged from a second contact surface to be in contact with the second retaining member, and the positioning member is fixed to the first retaining member and the second retaining member by an adhesive filled in the first concave portion and the second concave portion.
US08451550B2 Projection lens
The projection lens comprises: the first of the components of negative power, facing with its concave surface to the object and cemented of negative and positive menisci, the second component comprising a positive meniscus, having the concave surface facing an object side, the third one being a biconvex lens, the forth one being a positive meniscus, having the concave surfaces facing an image side, the fifth one being negative, faced with its concave surface to the image and being cemented of biconvex and biconcave lenses. The technical objective is that relative aperture (1:1.8) is increased, brightness at the image edge field is enhanced against that in the centre (0.91), in the image, formed by the lens, the required value of negative distortion is provided (−3%), an image quality is enhanced, conditions of lens operating are provided for the object, located at the finite distance.
US08451549B2 Enhanced variable power zoom lens
The present invention is directed to provide an enhanced variable power zoom lens that is lightweight as a whole, and especially, has its focusing lens optics reduced in weight so as to relieve of a load on a focusing drive system, and that has its anti-vibration lens optics reduced in both diameter and weight so as to relieve of a load on an anti-vibration drive system and downsize the same. The enhanced variable power zoom lens is adapted to have the foremost or first lens group of positive refractivity, the second lens group of negative refractivity, the third lens group of positive refractivity, the fourth lens group of negative refractivity, and the fifth lens group arranged in this sequence from a position closer to the object where a distance between each pair of the adjacent lens groups is varied during zooming from the wide-angle end to the telephoto end, each lens group comes closer to the object at the telephoto end than at the wide-angle end, the third lens group and the fourth lens group separating the farthest apart from each other at the intermediate zooming range, and the fourth lens group is moved closer to the image plane for shifting from infinity focusing to proximity focusing.
US08451547B2 Wide angle lens
An easily manufacturable wide angle lens with less possibility of distortion even using a small number of lenses has a first lens which is a spherical meniscus lens having negative power and whose convex surface faces an object; the second lens which is an aspherical meniscus lens having negative power along an optical axis and has positive power off the optical axis and whose convex surface faces the object side; the third lens having positive power in order from an object side, and an aperture. The Abbe number of the second lens is 30 or less; the ratio between the diagonal length of an imaging device placed on an image plane and the focal length of the whole lens system is 0.26 or less; and the ratio between the focal length of the third lens and the focal length of the whole lens system is less than 1.5.
US08451543B2 Magnet holding structure of auto-focus module
A magnet holding structure of auto-focus module includes an outer frame for holding four magnets to four inner wall surfaces of the outer frame; a lens holder for holding a lens thereto and being assembled to the outer frame via at least one spring member; and a winding fitted around the lens holder for driving the lens holder to axially move forward or rearward to focus automatically. The outer frame is provided at each of four inner corners with an inverted L-shaped plate extending downward from a top of the outer frame to locate between the lens holder and the winding, so as to face toward four spaces respectively existing between two adjacent magnets outside the winding. With these arrangements, the electromagnetic field produced by the winding can have enhanced magnetic efficiency and increased driving force at the corners of the winding to achieve the purpose of power saving.
US08451542B2 Zoom lens system, interchangeable lens apparatus and camera system
A zoom lens system, in order from an object side to an image side, comprising a first lens unit having positive optical power, a second lens unit having positive optical power, a third lens unit having positive optical power, a fourth lens unit having negative optical power, and at least one subsequent lens unit; an interchangeable lens apparatus; and a camera system are provided.
US08451541B2 Curved vehicle windshield made from laminated glass
Interfering double images that occur with curved windshields made from laminated glass during night driving in transmission and with head-up displays in reflection can be reduced by a wedge-shaped thermoplastic intermediate film. The wedge-angle profile required for compensation of double images is determined locally as a function of pane shape and installation situation. If the vehicle has a head-up display system, the wedge-angle progression can be determined in the HUD field such that double images are prevented there in reflection. However, outside the HUD field, a wedge-angle progression that compensates double images in transmission is selected. The specifically adapted wedge-angle profile enables better compensation of double images than is possible with a film with a constant wedge angle.
US08451539B2 Optical element having transmitting layers with respective blazed surfaces and Abbe numbers
An optical element including: a first light transmitting layer having a first sawtooth blazed surface, the first light transmitting layer including a plurality of first light-transmitting slopes defining a first blaze angle α; and a second light transmitting layer having a second sawtooth blazed surface including a plurality of second light-transmitting slopes defining a second blaze angle β, the second light transmitting layer being in contact with the first sawtooth blazed surface of the first light transmitting layer. A tilting direction of the first light-transmitting slope and a tilting direction of the second light-transmitting slope are opposite.
US08451536B2 Irradiation apparatus and manufacturing method for semiconductor device
Disclosed herein is an irradiation apparatus including: laser light source; a polarization splitting section configured to split laser light emitted from the laser light source into first linearly polarized light and second linearly polarized light different in polarization direction; a light beam dividing section configured to divide the first or second linearly polarized light into a plurality of light beams; a quarter-wave plate array composed of a plurality of first quarter-wave plates for converting some of the light beams into right circularly polarized light and a plurality of second quarter-wave plates for converting the other of the light beams into left circularly polarized light, the first quarter-wave plates and the second quarter-wave plates being alternately arranged in a first direction perpendicular to an optical axis; and a projection optical system for condensing the right circularly polarized light and the left circularly polarized light toward a work surface to be irradiated.
US08451535B2 Display apparatus and method
A display apparatus that may generate a high density light field image is provided. The display apparatus may identify an eye position of a user and set a virtual viewing window around the eye of the user. The display apparatus may generate a directional light corresponding to the viewing window and generate a high density light field image.
US08451533B2 Fluorescence microscope
A fluorescence microscope 100 includes an illumination optical system 120 that illuminates a sample with excitation light, fluorescence detection optical systems 130, 140 and 150 that detect fluorescence from the sample, optical members 8, 12, 13, 16, 17 and 20 that are disposed on an optical path of the illumination optical system and on an optical path of the fluorescence detection optical system, have different wavelength characteristics with each other, and are included in the illumination optical system and in the fluorescence detection optical system, a memory 23 that stores the wavelength characteristic of each of the optical members, and a display 23a that displays each of the wavelength characteristic read out from the memory on the same frame, and displays fluorescence detection wavelength range of a detectable fluorescent dye added to the sample.
US08451528B1 Method and apparatus for generation of coherent frequency combs
Embodiments of the invention provide apparatuses and methods for phase correlated seeding of parametric mixer and for generating coherent frequency combs. The parametric mixer may use two phase-correlated optical waves with different carrier frequencies to generate new optical waves centered at frequencies differing from the input waves, while retaining the input wave coherent properties. In the case when parametric mixer is used to generate frequency combs with small frequency pitch, the phase correlation of the input (seed) waves can be achieved by electro-optical modulator and a single master laser. In the case when frequency comb possessing a frequency pitch that is larger than frequency modulation that can be affected by electro-optic modulator, the phase correlation of the input (seed) waves is achieved by combined use of an electro-optical modulator and injection locking to a single or multiple slave lasers.
US08451525B2 Optical apparatus and imaging apparatus
An optical apparatus includes: a sealing case having chambers partitioned by a partition wall; a polar liquid having polarity and a nonpolar liquid having no polarity which are respectively sealed in a predetermined amount in each of the chambers; and electrodes pulling the polar liquid by an electrowetting phenomenon upon application of a driving voltage. One of the polar liquid and the nonpolar liquid is colored with a color having a light-blocking property, and the other has a light-transmitting property, at least a part of the partition wall is positioned in an optically effective area including the optical axis, and when a driving voltage is applied to a predetermined electrode among the electrodes, the polar liquid is moved in the chamber between closed and open positions where the optically effective area is closed and open, respectively.
US08451517B2 Calibrating and positioning structure of scanning apparatus
A calibrating and positioning structure of a scanning apparatus is provided. The scanning apparatus includes a scanning platform and a scanning window. The scanning window has a wide edge. The calibrating and positioning structure includes a calibrating part and at least one positioning part. The calibrating part is disposed on the scanning platform, and aligned with the wide edge of the scanning window. The at least one positioning part is partially overlapped with the calibrating part, wherein the positioning part is not aligned with the wide edge of the scanning window.
US08451512B2 Scanner having background assembly
A scanner includes a reference backing member, a scan assembly and a light-obstruction member. The scan assembly, disposed opposite the reference backing member, scans a reference block of the reference backing member and an original block of an original in a scan region. The scan assembly includes a light source for emitting a first light beam in a direction toward the reference block, and emitting a second light beam in a direction toward the original block. The light-obstruction member, disposed between the reference backing member and the scan assembly, includes a light-obstruction part, disposed in a first optical path of the first light beam and outside a second optical path of the second light beam, for blocking a portion of the first light beam from reaching the reference block.
US08451511B2 Method and device for optically scanning an object and device
A method and device for optically scanning an object is provided. A detection device optically scans a scanning region of the object by displacing the detection device and the object relative to one another into successive scanning positions spaced apart by a scanning step size along a scanning direction in an object plane. An optical imaging device generates a plurality of scanned images by imaging a partial scanning region from the object plane onto a detection surface in an image plane in the scanning positions. The plurality of scanned images are broken down into scanned part images and are combined to generate combined result images. At least one object measurement image is selected from the combined result images in accordance with one or more predetermined selection criteria.
US08451509B2 Information processing apparatus, information processing method, and computer-readable storage medium
When data of large capacity compared with the capacity of a recording medium used for storing a backup is divided into sections of data and backed up on recording media, a unit configured to divide data and generate sections of the data in order to record the data on recording media, the sections having an order, and a unit configured to generate representative images for each of the recording media, on which the sections of the data are recorded, are provided. Representative images assigned to a certain recording medium include a representative image generated using one of the sections of the data to be recorded on the certain recording medium and a representative image generated using at least one of a previous section and a next section of the data regarding the section of the data, whereby the relationship between the recording media can be easily recognized.
US08451506B2 Image processing apparatus, control method and storage medium
An image processing apparatus which performs processing of applying blur processing to divided image data, and compositing divided images having undergone the blur processing, the apparatus comprises an out of image boundary estimation unit which estimates a pixel out of an image boundary of image data for each of first image data subjected to the blur processing and second image data neighboring the first image data among the divided image data; and a blurring image generation unit which generates blurring image data for the first image data by performing the blur processing using a filter for the first image data while referring to the first image data, the second image data, and an estimation pixel estimated by the out of image boundary estimation unit.
US08451505B2 Image reading device, image reading method, and image forming apparatus for correcting digital image signal using modulated reference signal
A reference-signal generating unit generates a reference signal for generating a driving signal to drive other units of the image reading device. A frequency modulating unit modulates frequency of the reference signal, thereby generating a frequency-modulated reference signal. A driving-signal generating unit generates the driving signal from the frequency-modulated reference signal. A photoelectric converting unit converts an incident light into an analog image signal using the driving signal. An AD converting unit converts the analog image signal into a digital image signal. A correcting unit corrects the digital image signal by generating a correction signal for eliminating a noise superimposed on the digital image signal using the frequency-modulated reference signal and adding the correction signal to the digital image signal.
US08451499B2 Multi-level image conversion using error-diffusion with improved speed by processing quadrangular image segments
An image processing apparatus includes a storage unit storing an image and a processing unit performing image processing in each segment of the stored image to obtain a value of each pixel in a predetermined order using calculation results for peripheral pixels processed. At least one segment is a quadrangular area. Two sides of the quadrangular area extend from a first vertex of two opposite vertices of the area toward two of subsequent pixels after a first pixel at the first vertex so that the area includes the subsequent pixels whose values are obtained using a calculation result for the first pixel. The other two sides extend from a second vertex of the two vertices toward two of previous pixels before a second pixel at the second vertex so that the area includes the previous pixels for which a value of the second pixel is calculated using calculation results.
US08451494B2 Image forming apparatus
An image forming apparatus includes a carrier; a forming unit that forms a pattern on the carrier; a correcting unit that executes a plurality of correction processes for image formation by measuring the pattern formed on the carrier by the forming unit; and an issuing unit that has issuing conditions corresponding to the correction processes and issues execution requests indicating execution timings of the correction processes satisfying the issuing conditions, wherein the correcting unit executes only one correction process, of which the execution request is issued, when another correction process is not issued at the execution timing of the one correction process, and wherein the correcting unit executes the one correction process and the another correction process in a prescribed order regardless of the execution timings indicated by the execution requests when the another correction process is issued at the execution timing of the one correction process.
US08451490B2 Printing control method
When multiple print jobs that include banner printing are combined and prescribed manipulation settings are specified, data for banner printing is processed separately of the multiple items of print data and the multiple items of print data are combined into a single item of print data, and newly created data for banner printing and the print data that has been combined is output. As a result, it is possible to avoid problems that arise from the combining of jobs for which banner printing settings and settings for finishing processing or layout processing have been made concurrently, and a user can be provided with the optimum printout by adapting processing in accordance with circumstances.
US08451489B1 Content-aware method for saving paper and ink while printing a PDF document
A PDF document is repurposed to save paper and ink. Preprocessing is performed on the PDF document. The PDF document has a first quantity of pages of content and a first quantity of ink. Further, complexity analysis is performed on the PDF document. In addition, a document object model based on the PDF document is created. In addition, content re-layout is performed on the PDF document based on the content repurposing such that a printer prints the PDF document with the content in a transformed format that results in a second quantity of pages being printed without falling below a predetermined readability threshold and a second quantity of ink being utilized. The second quantity of pages is less than the first quantity of pages. The second quantity of ink is less than the first quantity of ink.
US08451480B2 Image communication apparatus and image forming apparatus including the same
A CPU of an image forming apparatus executes a program including: the step (S210) of reading address information if a single-touch call number is input (YES at S208); a step (S230, S232) of transmitting image data using a line registered in advance; and a step (S230, S232, S226) of transmitting image data using line (1) if the line (1) is input, using line (2) if the line (2) is input and using a free line otherwise, if the line is not registered in advance.
US08451473B2 Printer identification and mobile printing
Techniques are provided for displaying encoded data that represent a) features and options currently supported by a printing device, b) a printer identifier for the printing device, and c) network service interface data for a network service, wherein the network service interface data allow a mobile device to send print settings selection data and electronic document identification data to the network service; and processing print data and causing a printed version of an electronic document reflected in the print data to be printed by the printing device.
US08451472B2 Immediate verification of printed copy
Print verification is done by scanning the printed copies, thereby forming a stream of scanned images of the specific pages. Digitized images from the stream are then spatially aligned page by page, line by line and pixel (pel) by pixel (pel) with corresponding digitized images in a stream of source images. The source and scanned images are compared to find pel sequences that are different. These differences represent defects in the printed copies.
US08451469B2 Controller for printing device
A controller for a printing device may include a data file selecting unit, an index printing data generating unit, and a providing unit. The data file selecting unit may sequentially select a data file. The index printing data generating unit may generate index printing data by sequentially storing a set of printing data in the memory, wherein the set of printing data defines an image described by the sequentially selected data file. The providing unit may provide the index printing data to a print performing unit. In a case where the index printing data generating unit cannot process a particular data file due to a shortage of remaining capacity in the memory when first index printing data is generated, the index printing data generating unit may postpone processing of the particular data file. The data file selecting unit may select the particular data file when second index printing data is generated.
US08451468B2 Processor, image forming system and computer readable medium
A processor is provided, the processor including: an obtaining unit that obtains abnormality information related to an abnormality from an image forming device in which the abnormality occurs; an abnormality information storing unit that stores the abnormality information obtained by the obtaining unit as history information; a failure position information storing unit that stores failure position information for each phenomenon related to the abnormality; an extracting unit that extracts the failure position information corresponding to the latest abnormality information and abnormality information similar to the latest abnormality information among the abnormality information stored in the abnormality information storing unit from the failure position information storing unit; and an output unit that outputs an extracted result extracted by the extracting unit as specific deciding information of a cause related to the occurring abnormality.
US08451466B2 Image forming apparatus
A disclosed image forming apparatus includes an image transferring unit configured to transfer an image to a recording medium; a fusing unit provided downstream of the image transferring unit and configured to fuse the image transferred by the image transferring unit with the recording medium; a recording medium conveying unit provided between the image transferring unit and the fusing unit and configured to convey the recording medium from the image transferring unit to the fusing unit; a conveyance failure detecting unit configured to detect a conveyance failure of the recording medium; and a recording medium evacuation unit to which the recording medium can be evacuated in the event that the conveyance failure detecting unit detects the conveyance failure. Plural recording medium evacuation units are provided and plural recording media can be evacuated to each of the recording medium evacuation units.
US08451463B2 Information processing apparatus and information processing method
An information processing method includes the steps of acquiring information for identifying customized drivers; displaying the customized drivers in such a way as to be identifiable based on the information acquired in the acquisition step; selecting a driver to be installed from the customized drivers displayed in the display step; and installing the customized driver selected in the selection step.
US08451461B2 Information processor, information processing system, and computer readable medium
An information processor includes: a first acquiring unit that acquires image information of a plurality of pages formed by reading copies of a plurality of pages with an image reading unit; a second acquiring unit that acquires image information composed of at least one page formed by reading the copy of at least one page selected from the copies of the plurality of pages by the image reading unit; and an outputting unit that outputs the image information composed of the plurality of pages divided in accordance with the page specified on the basis of the image information of at least one page of the image information of the plurality of pages.
US08451460B2 Monitoring system for the acquisition of the layer thickness of dust in ventilation ducts
A monitoring system is disclosed, designed to detect the depth of deposition of a substance on a′ surface (12), such as the depth of dust in a ventilation shaft. The monitoring system includes a light source (14) and a sensor (16, 30). The light source is arranged to transmit light across a detection surface and the sensor is on the other side of the detection surface. When a substance, such as dirt or grease, is deposited on the surface it obstructs the light and the amount of light reaching the sensor decreases. A processing means (26) detects the decrease in light and from this the depth of the deposition on the surface can be calculated. Preferably the sensor comprises a CCD array (32), and the substance throws a shadow on the array. The processing means can then determine the depth of the substance from the position on the array of the edge of the shadow. Preferably the monitoring system is placed in a low power ‘sleep’ mode in between intermittent operations for detecting the depth of the substance. In this, way, it can be battery operated and the battery life is preserved.
US08451459B2 Method and system for inspecting blade tip clearance
A method for use in inspecting a blade tip clearance is provided. The method includes providing a plurality of rotor blades including tips, wherein the plurality of rotor blades are rotatably mounted within a casing such that a blade tip clearance is defined between the rotor blade tips and the casing. The method also includes providing a system for use in inspecting the blade tip clearance by emitting electromagnetic energy toward the tips and detecting electromagnetic energy reflected by the tips. The method further includes positioning the system to facilitate inspection of the blade tip clearance, rotating the plurality of rotor blades within the casing, and simultaneously blending the tips using a blending apparatus and inspecting the blade tip clearance using the system.
US08451455B2 Method and apparatus incorporating an optical homodyne into a self diffraction densitometer
A method and apparatus incorporating an optical homodyne into a self-diffraction densitometer is disclosed. The method may include splitting a laser beam into four beams by passing the laser beam through a plurality of beam splitters, passing three beams of the four beams through a lens that focuses the three beams to minimum diffraction limited waist diameter and brings them to convergence at a convergence zone containing an analyte, generating a reference beam by passing a fourth beam of the four beams through an optical phase modulator, wherein if a medium within the convergence zone absorbs energy at a wavelength of the laser beam, a thermal representation of an interference pattern forms and spatial modulation of temperature results in a spatial modulation of refractive index, whereby a diffracted beam from energy of the three beams is produced into a propagation path of the reference beam, and passing the reference beam through the lens and the convergence zone such that the reference beam is coincident with the diffracted beam, wherein the reference beam and diffracted beams cyclically go in and out of relative phase and impinge on an optical detector.
US08451454B2 Stage system, lithographic apparatus including such stage system, and correction method
A position measurement system to measure a position of a movable stage includes a reference plate; a plurality of sensors arranged such that, depending on a position of the movable stage relative to the reference plate, at least a subset of the plurality of sensors is configured to cooperate with the reference plate to provide for each of the sensors in the subset respective sensor signals representative of a position of the respective sensor relative to the reference plate; and a processor arranged to determine from the sensor signals a stage position, the processing device configured so as to, when the stage is in a position where an over-determined number of sensor signals is provided by at least the subset of the sensors that are in operational cooperation with the reference plate, (a) determine the stage position from a subset of the over-determined number of sensor signals, and (b) correct a sensor signal of one or more of the sensors from a discrepancy between the determined stage position and a remainder of the sensors signals.
US08451448B1 Method and apparatus for generating and positioning micro-scale evanescent fields
Illumination sources are connected to ends of micropipette probes having total internal reflection tips. The total internal reflection produces evanescence at the tips. The evanescence causes fluorescence of dye marked target molecules at tips of the probes. The evanescence is limited to about 100 nm from the tips. The presence of a target molecule at the end of a probe is observed by observing the fluorescence. The limited penetration of the evanescence eliminates noise in the signal and unwanted bleaching of dyes in the cell, so that repeated, multiple and arrays of probes may be applied.
US08451442B2 Enhanced surface-selective spectroscopy using broad-band heterodyne-detected sum frequency generation
Method and apparatus for performing spectroscopy, include the combining of first and second light beams to form a reference beam, focusing the first and second light beams and the reference beam onto a sample, receiving a reflected light beam from the sample at a monochromator, and viewing a predetermined wavelength band of the reflected light beam from the monochromator. Portions of the first and second light beams, which may be visible and IR forms of electromagnetic energy, are heterodyned through a crystal. A monochromator receives a reflection of the reference beam from the sample, and Fourier transformation is performed on the output of the monochromator. The first and second beams of electromagnetic energy can be split to form first and second component beams and the reference beam, all of which are propagated to the sample.
US08451441B2 Method for calibrating a device for optical curvature monitoring
A method for calibrating a device for monitoring the curvature of a stiffener (18) of a flexible sea line: A monitoring device has a deformable rod (26) having a central axis (C) and at least three optical sensors (29, 30, 31) maintained pressed against the perimeter of the rod (26). The method includes the steps, for different consecutive orientations of bending planes around the central axis; bending the rod (26) according to the same curvature radius; measuring the deformation of the sensors (29, 30, 31) during the bending; using the measured deformations to extrapolate a sine function of the deformation for each sensor according to the orientation of the bending plane; calculating error-correction coefficients according to the angular shift between the extrapolated sine functions and according to the amplitude of the extrapolated sine curves.
US08451438B2 Integrating sphere photometer and measuring method of the same
An integrating sphere photometer and a measuring method of the same are provided to precisely measure a directional light source. The integrating sphere photometer includes an integrating sphere having a plurality of through-holes, a plurality of photometers disposed at the through-holes, baffles disposed in front of the photometers to be spaced apart therefrom, an auxiliary light source disposed inside the integrating sphere, an auxiliary baffle disposed in front of the auxiliary light source, and a summing unit of output signals of the photometers under the illumination of a light source to be measured disposed in the central area inside the integrating sphere.
US08451437B2 Electroluminescent light output sensing for variation detection
An apparatus for detecting variations in light output of an electroluminescent (EL) device is described. The EL device includes a transparent substrate having a first edge extending in a first direction and a plurality of EL emitters disposed over the face of the substrate in the first direction, and some of the light emitted by each EL emitter travels through the substrate and out of the first edge. A light sensor physically separated from the first edge senses the light travelling out of the first edge. A controller stored first sensed light at a first time and second sensed light at a later second time and computes a variation in light output of one or more of the EL emitters in the EL device using the stored first sensed light and second sensed light.
US08451434B2 Method and apparatus for measuring zeta potential of suspended particles
A zeta potential measurement system comprising: a cell having a cell wall and bottom for holding suspended particles; an optical measurement probe having a probe tip comprising a transparent and conducting thin film coating which prevents ionic current from accumulating charge on the probe tip, and wherein the optical measurement probe is inserted through the cell wall such that the probe tip is in fluid communication with the sample; a counter electrode inserted through the cell wall opposite to the optical measurement probe; a laser source which is disposed so as to deliver light to the optical measurement probe via an optical directional coupler and optical waveguide; wherein the optical measurement probe focuses the light onto a front surface of the probe tip, such that the light reflected from the front surface of the optical measurement probe and light backscattered from particles in the sample are collected by the probe tip, and thereafter focused to a optical waveguide and delivered through the coupler to a photodetector; an electrical output of the photodetector is connected to a filtering and amplification module, wherein an analog output of the amplification module is connected to an analog-to-digital converter, wherein the analog-to-digital converter creates a digital data stream which is stored in a first memory; and a computer or microprocessor which calculates the frequency power spectrum from the stored digital data stream and stores the frequency power spectrum in a second memory, wherein the first and second memories can be either the same or different.
US08451433B2 Range-finding method and apparatus
Range-finding apparatus comprises a source of pulsed radiation of variable repetition rate and a beam-splitter for dividing the pulsed radiation into two portions which are directed respectively to a local retro-reflector and to a retro-reflector co-located with a remote target the range of which is to be determined. The source, beam-splitter and retro-reflectors are arranged in the form of Michelson interferometer together with a detector. The repetition rate of the source is tuned to frequencies f such that round-trip distance to the remote target is mc/f where m is an integer, this condition being detected by observing a heterodyne signal at the detector. Two such frequencies enable range to be determined. The precision with which range is determined may be increased by carrying out interferometry using the two portions. The accuracy of the method does not depend on absolute range (as with triangulation) and is not limited by the speed of timing electronics, as is the case for time-of-flight techniques.
US08451428B2 Computer generated hologram, exposure apparatus and device fabrication method
The present invention provides a computer generated hologram including a plurality of anisotropic cells having different refractive indices with respect to linearly polarized light in a first direction and linearly polarized light in a second direction perpendicular to the linearly polarized light in the first direction, wherein the plurality of anisotropic cells are made of an identical material and includes a first anisotropic cell, a second anisotropic cell, a third anisotropic cell, and a fourth anisotropic cell which have different thicknesses, and the plurality of anisotropic cells change phases of linearly polarized light in the first direction and linearly polarized light in the second direction, thereby making a first light intensity distribution formed on a predetermined plane by the linearly polarized light in the first direction different from a second light intensity distribution formed on the predetermined plane by the linearly polarized light in the second direction.
US08451425B2 Exposure apparatus, exposure method, cleaning apparatus, and device manufacturing method
An exposure apparatus exposes a substrate with exposure light via a liquid. The exposure apparatus includes: an optical member which has an emission surface from which the exposure light is emitted; a movable object which is able to move in a predetermined surface including a position facing the emission surface; and a predetermined component which is able to move between, the optical member and the movable object and which is able to form a space between which and the optical member a liquid is held.
US08451420B2 Process of producing substrate for liquid crystal display device, substrate for liquid crystal display device, and liquid crystal display device
An easy process of producing a substrate for liquid crystal display device, which contribute to reducing the viewing angle dependence of color of a liquid crystal display device, which comprises the following steps [1] and [2] in this order: [1] subjecting a substrate having at least one optically anisotropic layer and at least one photosensitive polymer layer on a support to light exposure; [2] removing partial or entire part of the optically anisotropic layer and the photosensitive polymer layer by a physical mean.
US08451419B2 Touch panel and method for manufacturing the same
A touch panel and methods for manufacturing the same is provided. The method for manufacturing a touch panel includes providing a substrate and forming a photospacer layer on the substrate. Subsequently, a single lithography process is performed to the photospacer layer to define a main spacer and a sensor spacer. After forming a conductive layer on the main spacers and sensor spacers, a part of the conductive layer is removed to expose a top part and a part of a upper side of the main spacer. Accordingly, the conductive layer on the top part of the main spacer can be completely removed. In addition, the aperture ratio loss due to over-etching the conductive layer on the color filter can be prevented by the conductive layer remained on a lower side of the main spacer.
US08451417B2 Color filter display panel and flat panel display including the same
A color filter display plate includes a substrate, a light blocking member on the substrate, a color filter on the substrate, a covering layer covering the light blocking member and the color filter, a common electrode on the covering layer, a plurality of support members on the common electrode at locations corresponding to the light blocking member, and a main column spacer, a middle column spacer, and an auxiliary column spacer, each of which is on a corresponding one of the support members, the column spacers having different heights and area ratios.
US08451411B2 Display panel having a domain divider
A first slit pattern is formed in a display substrate and a display panel of vertical alignment mode having the display substrate. The first slit pattern includes slits, a pair of projections and a pair of notches. A divergence point where the slits meet each other and an incision portion of the slits have the same function as the pair of projections in the generation of a singular point of liquid crystal. A contact hole exposing a part of an output electrode of a switching element is formed at a protective layer of an array substrate. A step recess is formed at a protective layer corresponding to a storage electrode, a divergence point of the slits is arranged to correspond to the storage electrode. The singular point of the liquid crystal is induced to occur at a regular position, and thus afterimages and spots can be prevented.
US08451409B2 Liquid crystal display device and manufacturing method for same
A liquid crystal display device includes a first substrate, a second substrate, liquid crystal disposed between the first substrate and the second substrate, an electrode formed over the first substrate, and an alignment film disposed between the electrode and the liquid crystal. The electrode has a pad portion that protrudes from at least part of a side of the electrode and electrically leads out onto the first substrate through a conductive material that is located between the second substrate and the first substrate, and a direction in which at least one side of the pad portion which protrudes from the electrode is set to angle of 15° or more and 35° or less relative to a side of the first substrate which crosses the extended line of the at least one side of the pad portion.
US08451408B2 Electrically tunable liquid crystal lens set with central electrode
A liquid crystal lens cell set includes a plurality of liquid crystal lenses overlapping to each other. Each of the liquid crystal lenses is supported between a pair of flat layers. One of the layers supports a planar electrode made of ITO. The other electrode, also formed of ITO, is supported in the center of the opposing substrate and projects toward the center of the liquid crystal layer. A power supply creates a potential difference between the electrodes and imposes a non-uniform electric field on the liquid crystal modules which aligns them in which a way as to act as a lens. By varying voltage between the electrodes the focal length of the lens may be controlled. A central electrode may be in the form of a beam or of a pointed tip. An electrode having a central hole may be associated with the central electrode or the planar electrode.
US08451405B2 Multi-color liquid crystal display
A display and methods of driving the display, where the display includes a plurality of pixels, where some colors are present in every pixel, and some colors are only present in less than all of the pixels.
US08451399B2 Liquid crystal display device
A liquid crystal display device includes: a resin frame including a storing space formed of a hole which passes through a first surface and a second surface; a light guide plate disposed in the storing space; and a liquid crystal display panel which is fixed on the first surface of the resin frame so as to overlap the light guide plate. The hole of the resin frame is formed of an inner peripheral surface, which is inclined, so that an opening of the second surface is smaller than an opening of the first surface. The light guide plate includes an outer peripheral surface, which is inclined, and is disposed in the storing space in a manner that the inner peripheral surface and the outer peripheral surface are opposed to each other.
US08451392B2 Liquid crystal display and method of manufacturing liquid crystal display having particular liquid crystal film
A liquid crystal display (LCD) includes: a first substrate; a second substrate facing the first substrate; an electrode portion formed on at least one of the first substrate and the second substrate, and configured to generate an electric field between the first substrate and the second substrate; and a liquid crystal film positioned between the first substrate and the second substrate, and at least one liquid crystal and an associated liquid crystal space in the liquid crystal film.
US08451390B2 Projection stereoscopic display
A projection stereoscopic display includes: a stereoscopic display optical system receiving linearly polarized light from the light source and displaying a first picture and a second picture both having binocular parallax by linearly polarized light with polarization directions orthogonal to each other, in which the stereoscopic display optical system includes: a reflective liquid crystal panel modulating and reflecting linearly polarized light from the light source in response to a picture signal, a first polarizing device splitting the first picture from reflected light from the reflective liquid crystal panel, a retardation device converting the polarization direction of the first picture into a direction orthogonal thereto, and a second polarizing device splitting the second picture from reflected light from the reflective liquid crystal panel, and superimposing the second picture on the first picture of which the polarization direction is converted by the retardation device.
US08451389B2 Image processor, image display device, image processing method, image display method, and program
An image processor that corrects image signals corresponding to sub-pixels which form one pixel includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel with respect to a predetermined reference position within a display image; and an image signal correcting section that corrects image signals corresponding to sub-pixels, which form each pixel of an input image, on the basis of the shift amounts stored in the shift amount storage section. The image signal correcting section corrects image signals in which dummy image signals corresponding to dummy sub-pixels, which are provided outside sub-pixels in an endmost portion of the input image, are added to input image signals of the sub-pixels.
US08451388B2 Audio processing apparatus and audio processing method for processing according to detected mode
An audio processing apparatus includes: a transmission signal input/output unit that inputs or outputs a video signal, an audio signal, and a control signal; a reproduction processing unit that reproduces the audio signal inputted to the transmission signal input/output unit or an audio signal inputted to any other audio signal input unit; an output unit that outputs the audio signal, which is processed by the reproduction processing unit, through a loudspeaker; and a control unit that when detecting that a control signal signifying that a predetermined mode concerning the display image quality represented by the video signal should be designated is inputted to the transmission signal input/output unit, instructs the reproduction processing unit to perform predetermined sound-field processing or sound-quality processing during the reproduction.
US08451387B2 Display
A display is formed such that a control portion reads second channel data corresponding to channels not displayed at start-up from a second storage portion after reading first channel data corresponding to a prescribed channel displayed on a display portion at the start-up from a first storage portion, at the start-up.
US08451383B2 Image display device, image display method, and image processing device
An image display device includes: an image projecting unit for externally performing enlargement projection of a main-image signal; a basic-property selecting unit for selecting a predetermined basic-gamma property from multiple basic-gamma properties of the main-image signal; a correction-property selecting unit for selecting a predetermined correction-gamma property from multiple correction-gamma properties of the main-image signal; a gamma-property calculating unit for calculating a gamma property for each signal level of the main-image signal based on the selected basic-gamma and correction-gamma properties; a gamma correcting unit for subjecting the main-image signal to gamma correction based on the calculated gamma property; an operating unit for outputting a first signal corresponding to a user's basic-gamma-property selection operation, and a second signal corresponding to a user's correction-gamma-property selection operation; and a control unit for controlling each of the selection operations of the predetermined basic-gamma and correction-gamma properties based on the first and second signals.
US08451382B1 Systems and methods for cable equalization
Provided herein are methods and systems that provide automatic compensation for frequency attenuation of a video signal transmitted over a cable. In accordance with an embodiment, a system includes an equalizer and a compensation controller. The equalizer receives a video signal that was transmitted over a cable, provides compensation for frequency attenuation that occurred during the transmission over the cable, and outputs a compensated video signal. The compensation controller automatically adjusts the compensation provided by the equalizer based on comparisons of one or more portions of the compensated video signal to one or more reference voltage levels.
US08451381B2 Excellently operable projection image display apparatus
A image distortion correction unit which corrects a distortion of a projected image includes: a switching unit which operates in response to an operation signal from a Keystone remote controller button to switch correction by a trapezoidal distortion correction process and correction by a corner distortion correction process back and forth; a determination unit which determines whether any one of the correction by the trapezoidal distortion correction process and the correction by the corner distortion correction process has been performed; and a prohibition unit which prohibits switching the trapezoidal distortion correction process and the corner distortion correction process back and forth if the determination unit determines that any one of the correction by the trapezoidal distortion correction process and the correction by the corner distortion correction process has been performed and the operation signal is also received from the Keystone remote controller button.
US08451379B2 Method and system for toasted video distribution
The systems and methods disclosed transmit a composite channel to a receiver. The composite channel may be a static channel that contains different original channels of content in different locations on a displayed page, or may be a dynamic channel that is processed by the receiver to display a multiple different video streams on a single display device.
US08451377B2 Image display device, method of controlling the same and home network system
An image display device and a home network system are provided. The image display device transmits a broadcasting signal including at least one of a video data, an audio data, and an additional data according to predetermined transmission conditions. The home network system includes at least one external device connected to the image display unit through a wire or wireless network to output the transmitted broadcasting signal.
US08451374B2 Picture processing apparatus, picture processing method, picture data storage medium and computer program
In an apparatus and a method for executing generation and reproduction processing of picture data suitable for picture display devices having differing processable frame rates, low frame rate picture data is generated on the basis of a plurality of temporally continuous pictures having a high frame rate to provide picture data having a plurality of layers. Decimated data may be set as the high frame rate layer data. In this manner, the quantity of data to be transmitted or stored is reduced.
US08451373B2 Frame rate converter and display apparatus equipped therewith
An input unit writes, into a memory unit, frames successively input from the outside. An interpolated frame generating unit reads multiple original frames from the memory unit, generates an interpolated frame between the original frames, and writes the interpolated frame into the memory unit. An output unit retrieves original frames and an interpolated frame from the memory unit and outputs to the outside the frames in the order in which the frames are to be displayed. The input unit, interpolated frame generating unit, and output unit operate in parallel to perform pipeline processing. Operation timing of each of the input unit and the interpolated frame generating unit is determined so that the timing at which the input unit writes an original frame into the memory unit differs from the timing at which the interpolated frame generating unit writes an interpolated frame into the memory unit.
US08451364B2 Electronic mirror
An Electronic Mirror is described that can capture and display, using a digital/video camera or cameras, the image of a subject as they look when viewing themselves in a mirror. The captured image is displayed on a video monitor or TV set. A widescreen flat panel monitor is utilized, having the ability to physically rotate 90°. In portrait mode the monitor functions as an Electronic Mirror, and in landscape mode is capable of functioning as a conventional TV set or video monitor. Rotation is either manual or motorized. Captured images of a subject may be split such that a portion reflecting one type of outfit may be combined with a portion reflecting a different outfit, thus electronically creating a combination of clothing that may never have been actually worn. Video capture may also be supported enabling a subject to capture and replay a 360 degree view as they turn around.
US08451361B2 Image pickup device and signal processing method thereof
An image pickup device is provided, capable of complete correction with data of once analog-to-digital conversion, and prevention of excess use of switches and analog devices and/or erroneous correction, including: an image sensor having a plurality of analog-to-digital converters determining conversion results from a digital signal of higher order bit through separate steps of two or more times; a first correction unit which has a correction factor for correcting nonlinear errors of the plurality of analog-to-digital converters so as to adapt to the analog-to-digital converters and corrects a nonlinear error of a digital signal output from respective analog-to-digital converters based on a correction factor corresponding to respective analog-to-digital converters, characterized in that the first correction unit corrects the nonlinear errors after converting the digital signals from the plurality of analog-to-digital converters into a serial output.
US08451355B2 Image sensor, electronic apparatus, and driving method of electronic apparatus
An image sensor that supplies a control signal together with an address specifying each of a plurality of pixels arrayed in a pixel array with predetermined rows and columns to thereby perform an electronic shutter operation on a pixel corresponding to the address or perform reading of a pixel signal of a pixel corresponding to the address, is disclosed. The sensor includes: address generating means for generating a shutter row address specifying a row of pixels, on which an electronic shutter operation is to be performed within one horizontal period, among the pixels arrayed in the pixel array and a read row address specifying a row of pixels on which reading of a pixel signal is to be performed within the same one horizontal period; first storage means for storing the shutter row address; and second storage means for storing the read row address.
US08451354B2 TDI image sensor in CMOS technology with high video capture rate
An time-delay-integration image sensor comprises a matrix of photosensitive pixels organized in rows and columns, a first matrix of memory cells associated with control and adding means to store accumulated brightness levels of several rows of pixels in a row of memory cells. The first memory cell matrix is provided with the control and adding means to store in its rows accumulated brightness levels of the rows of a first half of the pixel matrix. The sensor comprises a second memory cell matrix associated with the control and adding means to store accumulated brightness levels of the rows of the second half of the pixel matrix in a row of the second memory cell matrix. Means are provided for adding the levels accumulated in a row of the first memory cell matrix to the levels accumulated in a corresponding row of the second memory cell matrix.
US08451347B2 Image processing apparatus, image playing method, image pick-up apparatus, and program and storage medium for use in displaying image data
Upon continuously displaying a plurality of image data read from a recording medium, printing setting information including trimming information is set for the image data recorded to the recording medium with a corresponding relation to the image data. The displaying of the image data is controlled based on the determination of whether or not the printing setting information is set for each image data read from the recording medium.
US08451342B2 Counter circuit, analog-to-digital converter (ADC) including a counter circuit, image sensor including counter circuit and/or ADC, systems associated therewith, and method associated therewith
In one embodiment, the counter circuit is associated with a pixel array and includes a plurality of counting circuits. Each counting circuit is configured to receive an associated input signal, and each input signal is associated with a different column of the pixel array. A first of the plurality of counting circuits is configured to count based on the associated input signal. Each subsequent counting circuit in the plurality of counting circuits is configured to count based on a difference between the associated input signal and the input signal associated with a preceding counting circuit.
US08451339B2 Digital imaging system for correcting image aberrations
A system is disclosed for the automated correction of optical and digital aberrations in a digital imaging system. The system includes (a) digital filters, (b) hardware modifications and (c) digital system corrections. The system solves numerous problems in still and video photography that are presented in the digital imaging environment.
US08451328B2 Image processing device, imaging device, computer-readable device, and image processing method for processing a fluorescence image
An image processing device captures a normal light image of an observed region via a plurality of color filters having different spectral characteristics, respectively, generates a uniform image having low contrast by extracting each picture signal corresponding to a picture signal in a wavelength band for which light absorption characteristic of a contrast region in the observed region becomes low, and corrects each picture signal of a fluorescence image of the observed region by using the uniform image.
US08451327B2 Electronic endoscope, endoscope light unit, endoscope processor, and electronic endoscope system
An endoscope system comprising an imaging device, an input block, and a signal processing block, is provided. The imaging device has first, second, third, and fourth pixels. The first, second, third, and fourth pixels are covered with first, second, third, and fourth color filters, respectively. The first, second, third, and fourth color filters can be penetrated by first, second, third, and fourth light components, respectively. The first light component reaches a depth, predetermined according to the location of an object, under an organ. The second light component belongs to an identified color of the first light component. Further, a band of the second light component is different from that of the first light component. The input block detects a user's input for selecting one of a number of predetermined display modes. The signal processing block carries out edge enhancement processing for a pixel signal generated by the first pixel. The edge enhancement processing for the pixel signal is carried out when a narrow band image display mode is selected.
US08451319B2 Method and system for removing redundancy from among panoramic images, and computer-readable recording medium
The present invention includes a method for removing redundancy of panoramic images. The method includes the steps of: (a) specifying respective locations of multiple panoramic images by referring to respective shooting places of the multiple panoramic images; (b) recognizing a specific object included in each of at least two panoramic images as the identical object by referring to the respective locations of the multiple panoramic images and respective directions of the specific object therein; and (c) determining top n images of the specific object considered to have top n degrees of precision in an image matching process among all the object images which are recognized as the identical object as a reference image(s) for the specific object.
US08451314B1 Bi-directional communication system
Methods, computer systems, and computer readable media for one way and two way video and audio communications between a clinician at a remote location and a patient located in a patient room that is in a location different from the clinician are provided.
US08451309B2 Optical scanning apparatus and image forming apparatus
An optical scanning apparatus includes an optical deflector that deflects a light beam at a substantially constant angular velocity and an optical system that condenses the deflected light beam onto a to-be-scanned surface thereby performing optical scanning of the to-be-scanned surface. The to-be-scanned surface is a surface of a latent image carrier having a charge generation layer that generates carriers and a charge transport layer. A driving unit drives the optical deflector at a scanning frequency at which exposure is attained in a state where the carriers generated at the charge generation layer of the latent image carrier substantially stay still.
US08451302B2 Multi primary color display device
A multi-primary-color display device includes a number of pixels, each of which includes a first subset including red, green and cyan subpixels and a second subset including blue and yellow subpixels. In each pixel, the subpixels included in the first subset are arranged in series in one direction, while the subpixels included in the second subset are arranged in series in the same direction as the subpixels of the first subset.
US08451301B2 Color display device
A color display device includes a plurality of pixel display elements and a driving circuit. Each of the pixel display elements includes a plurality of sub-pixel display elements. Each of the sub-pixel display elements includes first and second supports, first and second electrodes attached to inner faces of the first and second supports, respectively, a solution disposed between the first and second electrodes, and particles dispersed in the solution. The particles of the sub-pixel display elements of a same one of the pixel display elements are electrically polarizable by voltage signals supplied by the driving circuit, the voltage signals having the same predetermined driving frequency.
US08451300B2 System and method for modulating backlight
A backlight modulation system includes a light source module, an image mapping unit, a histogram analysis unit, a backlight dimming unit, and an image reconstruction unit. An active display area of a panel is divided into multiple illumination areas. The image mapping unit performs an RGB-to-YUV transformation to acquire an original brightness factor for each pixel. The histogram analysis unit sums up the amount of pixels reaching a preset ratio in each illumination area to acquire reference brightness for each illumination area. The backlight dimming unit calculates out a dimming ratio and a reset brightness model according to the reference brightness. The image reconstruction unit resets original brightness factor of each pixel into an output brightness factor according to the reset brightness model, and outputs an image for an illumination area according to the output brightness factor and input image data.
US08451298B2 Multi-level stochastic dithering with noise mitigation via sequential template averaging
Displays, and methods of displaying images with the displays, which have quantized display characteristics for each of the pixels are disclosed. The displays and methods relate to both spatially and temporally dithering images so that the effective resolution of the display is higher than the result of the native spatial and intensity resolutions of the display, defined by pixel size, pitch, and number of quantization levels of each of the pixels.
US08451296B2 Display apparatus
An apparatus includes a display unit, a classification unit configured to classify a plurality of images into a landscape-oriented image and a portrait-oriented image, a detection unit configured to detect whether the apparatus is in the landscape orientation or in the portrait orientation, and a control unit configured to display a plurality of images in one orientation of the landscape-oriented image and the portrait-oriented image on the display unit in response to an instruction, and thereafter display a plurality of images in the other orientation on the display unit. The control unit determines the orientation of the image to be displayed first based on a detection result upon receiving the instruction.
US08451292B2 Video summarization method based on mining story structure and semantic relations among concept entities thereof
A video summarized method based on mining the story structure and semantic relations among concept entities has steps of processing a video to generate multiple important shots that are annotated with respective keywords: Performing a concept expansion process by using the keywords to create expansion trees for the annotated shots; rearranging the keywords of the expansion trees and classifying to calculate relations thereof; applying a graph entropy algorithm to determine significant shots and edges interconnected with the shots. Based on the determined result of the graph entropy algorithm, a structured relational graph is built to display the significant shots and edges thereof. Consequently, users can more rapidly browse the content of a video and comprehend if different shots are related.
US08451291B2 Method for displaying information in mobile terminal
Provided is a method for displaying information in a mobile terminal having an Electro-Luminescence (EL) region. The method includes determining whether a request for setting an item to be displayed on the EL region is input in a state in which the mobile terminal is in an EL display mode; if a request is input, setting an item to be displayed on the EL region; and displaying contents corresponding to the set item on the EL region in the EL display mode. The method allows information related to a mobile terminal to be consistently displayed at a preset position while performing a specific function of the mobile terminal, thus enabling simultaneous display of the specific function and of information stored in the mobile terminal.
US08451289B2 Systems and methods for dither structure creation and application
Embodiments of the present invention comprise systems and methods for creation, modification and implementation of dither pattern structures. The dither pattern structures may be at least one of spatially interrelated, chromatically interrelated, or temporally interrelated using feedback.
US08451286B2 Image display method and image display apparatus, as well as printing assisting system
The present invention provides an image display method including the steps of displaying an image printed on a front surface of a first recording medium; generating a transmissive image which represents an image that is printed on a front surface of a second recording medium which is laid under the first recording medium and seen through the first recording medium; and displaying the transmissive image superimposed on the image printed on the front surface of the first recording medium.
US08451284B2 Video acquisition with integrated GPU processing
Systems and techniques for processing sequences of video images involve receiving, on a computer, data corresponding to a sequence of video images detected by an image sensor. The received data is processed using a graphics processor to adjust one or more visual characteristics of the video images corresponding to the received data. The received data can include video data defining pixel values and ancillary data relating to settings on the image sensor. The video data can be processed in accordance with ancillary data to adjust the visual characteristics, which can include filtering the images, blending images, and/or other processing operations.
US08451275B2 Method of animating vector graphics
A method of simplifying the programming of animation of vector graphics for the graphic user interface of, for example, a SCADA system. The programming method allows the programmer to input unique yet simple instruction codes instead of inputting multiple lines of logic script to animate vector graphic objects and texts. An animation engine is used to interpret the simple instruction codes and instruct the browser to perform the necessary animation on the selected vector graphic objects.
US08451273B2 Method and apparatus for obtaining minimum cost vector for making skyline object in multi-dimensional space
Provided are a method and apparatus for obtaining a minimum cost vector for making a skyline object in a multi-dimensional space. The method includes calculating respective vector values having a query point and respective moving points to which the query point is moved as both end points in a multi-dimensional space having a plurality of coordinate axes, and selecting a vector value whose moving point is included in a skyline and has the minimum distance value from the query point as the minimum vector value from among the vector values.
US08451272B2 Time expansion for displaying path information
Embodiments of the present invention provide systems and methods for displaying sequential information representing a path. The sequential information can include a number of tokens representing a path. A representation of the tokens and path of the sequential information can be displayed. An instruction to adjust the representation of the path of the sequential information can be received. For example, instruction can comprise user instruction, including but not limited to a user manipulation of a slider control of a user interface through which the representation of the sequence is displayed. The displayed representation of the path of the sequential information can be updated based on and corresponding to the instruction. So for example, the user can click and drag or otherwise manipulate the slider control above and the displayed representation of the path can be expanded and/or contracted based on the user's movement of the slider control.
US08451271B2 Methods and systems for displaying graphical markers in a mixed box chart
This disclosure describes, generally, methods and systems for plotting a graphically displayed box chart. The method includes receiving a data set. The data set includes a first axis and a second axis and the data set consists of ordered pairs. The method further includes determining that the first axis is discrete and that the second axis is continuous and rounding values of the second axis' portion of the ordered pairs of the data set, based on a first level of granularity. The method includes based on the rounded values, creating data point groupings, and based on the data point groupings, determining a total number of data point locations for the first axis. The method further includes jittering values of the first axis' portion of the ordered pairs of the data set at each determined data point location, wherein the jittering alters the values based on a second level of granularity.
US08451269B2 Volumetric data exploration using multi-point input controls
A three-dimensional data set is accessed. A two-dimensional plane is defined that intersects a space defined by the three-dimensional data set. The two-dimensional plane defines a two-dimensional data set within the three-dimensional data set and divides the three-dimensional data set into first and second subsets. A three-dimensional view based on the three-dimensional data set is rendered on such that at least a portion of the first subset of the three-dimensional data set is removed and at least a portion of the two-dimensional data set is displayed. A two-dimensional view of a first subset of the two-dimensional data set also is rendered. Controls are provided that enable visual navigation through the three-dimensional data set by engaging points on the multi-touch display device that correspond to either the three-dimensional view based on the three-dimensional data set and/or the two-dimensional view of the first subset of the two-dimensional data set.
US08451262B2 Method of driving a display panel, and display apparatus for performing the method
Disclosed is a method of driving a display panel, which includes a plurality of data lines, a plurality of gate lines, a first pixel column electrically connected to an N-th gate line and a second pixel column electrically connected to an (N+1)-th gate line adjacent to the N-th gate line (wherein N is a natural number). In the method, compensation data of the first pixel for compensating for a kickback deviation between the first and second pixel columns is generated using first data and second data corresponding to the first and second pixel columns, respectively. The compensation data of the first pixel column and the second data of the second pixel column are converted to data voltages of an analog type to output the data voltages to the data lines.
US08451261B2 LCD driver IC and method for operating the same
Disclosed is an LCD driver IC including: a POR (Power On Reset) circuit; and a counter, which receives a signal from the POR circuit to delay time and releases a RESETB of the POR circuit after power of a gate driver IC is stabilized.
US08451246B1 Swipe gesture classification
Systems and methods for swipe gesture classification are provided. Method includes receiving indication of swipe gesture. Indication of swipe gesture includes data representing a starting location and data representing first direction. Method includes determining whether indication of swipe gesture is associated with a hold time at starting location exceeding first threshold time. Method includes determining whether first direction is within set of possible directions associated with first command. Method includes, if first direction is within set of possible directions associated with first command and indication of swipe gesture is not associated with hold time at starting location exceeding first threshold time: providing for execution of first command. Method includes, if first direction is not within set of possible directions associated with first command or indication of swipe gesture is associated with hold time at starting location exceeding first threshold time: providing for execution of second command.
US08451244B2 Segmented Vcom
Disclosed herein are liquid-crystal display (LCD) touch screens that integrate the touch sensing elements with the display circuitry. The integration may take a variety of forms. Touch sensing elements can be completely implemented within the LCD stackup but outside the not between the color filter plate and the array plate. Alternatively, some touch sensing elements can be between the color filter and array plates with other touch sensing elements not between the plates. In another alternative, all touch sensing elements can be between the color filter and array plates. The latter alternative can include both conventional and in-plane-switching (IPS) LCDs. In some forms, one or more display structures can also have a touch sensing function. Techniques for manufacturing and operating such displays, as well as various devices embodying such displays are also disclosed.
US08451242B2 Keyboard with input-sensitive display device
An input/output device is disclosed that includes an input-sensitive display screen and alphanumeric keys for entering characters. The input-sensitive display screen may be positioned proximate the alphanumeric keys and be capable of displaying graphical information and sensing user selection of the graphical information. The input-sensitive display screen may include a combination display/input region and a non-display input region. The touch sensitive display screen may be detachable from the alphanumeric region and may be operable in a detached configuration. The input/output device may usable with a method of input correction. The method may include displaying, on a secondary display, a first text unit, such as a character or a word, which corresponds with a second text unit shown on a primary display screen of a computing device. The method further involves receiving user selection of the first text unit and replacing the first text unit with a second text unit.
US08451239B2 Driving circuit and method for driving touch display
A driving circuit and method for a touch panel having a plurality of scan lines includes a detection module, an interruption module and a selective scan module. The detection module can periodically scan the scan lines, so as to detect whether the touch panel is controlled by touch. The interruption module can turn off the detection module when the touch panel is not controlled by touch. The selective scan module can select at least one set of scan lines from the plurality of scan lines to periodically and synchronously scan the set of selected scan lines when the detection module is turned off, where scanning of the selected scan lines detects whether the touch panel is touched.
US08451238B2 Touch-screen user interface
A user interface for a touch-screen display of a dedicated handheld electronic book reader device is described. The user interface detects human gestures manifest as pressure being applied by a finger or stylus to regions on the touch-screen display. In one implementation, the touch-screen user interface enables a user to turn one or more pages in response to applying a force or pressure to the touch-screen display. In another implementation, the touch-screen user interface is configured to bookmark a page temporarily by applying a pressure to the display, then allowing a user to turn pages to a new page, but reverting back to a previously-displayed page when the pressure is removed. In another implementation, the touch-screen user interface identifies and filters electronic books based on book size and/or a time available to read a book. In another implementation, the touch-screen user interface converts text to speech in response to a user touching the touch-screen display.
US08451237B2 Sensitivity control as a function of touch shape
A method and device receives signals from a plurality of nodes about a first touch of an array of touch screen sensor nodes. It is determined whether the received signals are representative of a finger touch or a stylus touch. A detect mode may be entered as a function of the type of touch determined.
US08451231B2 Touch screen panel, method of manufacturing the same, and display having the same
Disclosed herein is a touch screen panel, a method of manufacturing the touch screen panel, and a display having the touch screen panel. Ultrasonic excitation and detection transducers are attached to the front surface of the image display unit of a display, thereby implementing the touch screen panel. The substrate of the display, that is, the upper surface of the image display unit is used as a surface acoustic wave propagation medium, so that it is not required to manufacture the touch screen panel in a separate substrate and to attach the substrate, in which the touch screen panel is manufactured, to the image display unit of the display, thereby not only preventing degradation of image quality but also not increasing the thickness and size thereof.
US08451230B2 Apparatus and method for remotely controlling an ambulatory medical device
An electronic device may remotely control a medical device. The electronic device may include a wireless communication circuit configured to wirelessly communicate with the medical device, and a processor that receives from the medical device via the wireless communication circuit screen data generated by the medical device for display on a display device thereof and to control a display device of the electronic device according to the received screen data to display on the electronic device display the screen data generated by the medical device, to emulate at least some of a plurality of user keys of the medical device with selected ones of a plurality of user buttons of the electronic device, and to control the display device of the electronic device to display a map that relates emulated ones of the plurality of user keys to selected ones of the user buttons.
US08451225B2 Computer mouse cushion
A cushion that provides support for the heel of the hand and wrist, elevates the wrist and minimizes pressure on the central hand/wrist area of nerves, tendons, and vessels while using a computer mouse. A cushion having an upper and lower surface connected by at least one side wall, with a fixation to a computer mouse, surrounding a resilient pad. The lower surface is low friction, to slide on a separate planar surface. The top surface is soft. The middle layer(s) is of varying resilient materials that support the sides of the heel of the hand/wrist, while leaving the central area open. The size of this cushion may vary, to support different sized hands, while using a computer mouse. The connection to the mouse is variable to fit different sizes and shapes of computer mouse.
US08451224B2 Mapping detected movement of an interference pattern of a coherent light beam to cursor movement to effect navigation of a user interface
A method, system and apparatus provide that movement of an interference pattern of a coherent light beam is mapped to cursor movement to effect navigation of a user interface. A remote controller operable to emit a coherent light beam is in cooperative arrangement with a display device operable to display a user interface, navigable by means of a cursor. A laser diode element and coupled diffuser element of the remote controller generate the coherent light beam. Movement of the remote controller causes movement of an interference pattern of the coherent light beam impinging upon a sensor of the display device; movement of the interference pattern is sensed by the display device and mapped to corresponding movement of the cursor in the user interface. Thus, the remote controller may be used to navigate an on-screen user interface by movement of the remote controller itself.
US08451222B2 Converged desktop between a PC and a trading turret
A personal computer and a telephony device are integrated using an input director and an input receiver. The input director is configured to receive an instruction from a user interface device, the instruction corresponding to a function of the telephony device. The input receiver is configured to receive the instruction from the input director and control the telephony device based on the instruction.
US08451220B2 Method and system for three-dimensional virtual-touch interface
A three-dimensional virtual-touch human-machine interface system (20) and a method (100) of operating the system (20) are presented. The system (20) incorporates a three-dimensional time-of-flight sensor (22), a three-dimensional autostereoscopic display (24), and a computer (26) coupled to the sensor (22) and the display (24). The sensor (22) detects a user object (40) within a three-dimensional sensor space (28). The display (24) displays an image (42) within a three-dimensional display space (32). The computer (26) maps a position of the user object (40) within an interactive volumetric field (36) mutually within the sensor space (28) and the display space (32), and determines when the positions of the user object (40) and the image (42) are substantially coincident. Upon detection of coincidence, the computer (26) executes a function programmed for the image (42).
US08451217B2 Device for controlling a computer-based pointer in a system comprising various types of displays
The general field of the invention is that of devices for controlling a computer-based pointer of a computer-based assembly comprising two different computer-based systems, a first secure system comprising at least one first viewing screen and a man-machine interface called CCD controlling the position of the pointer, and a second non-secure system comprising at least one second viewing screen controlled by the same CCD. The control device according to the invention comprises a means called the “CCD manager” belonging to the first system, ensuring the control of the CCD transmission links and comprising the following functions activated when a displacement instruction is transmitted by the user to the CCD, the pointer occupying a first position in the reference plane, determination of the new position of the pointer, determination of the pointer membership area as a function of this new position, authorization of transfer of the displacement instructions coming from the CCD to the secure system or to the open system corresponding to the previously determined membership area.
US08451215B2 Display control device, program for implementing the display control device, and recording medium containing the program
A virtual plane including a display screen is divided into small regions. If calculated coordinates of an intersection is located in one of the small regions outside the display screen, an icon corresponding to the small region is displayed at a predetermined position. If coordinates of the intersection are not calculated, an icon corresponding to the small region in which the preceding intersection coordinates were located in is displayed at a predetermined position.
US08451213B2 System and method for adjusting a backlight level for a display on an electronic device
The disclosure describes a device and method for adjusting a backlight for a display for an electronic device. The method comprises: identifying a highest brightness value for a pixel in an image to be generated on the display; determining a brightness headroom value for the image based on a difference between the highest brightness value and a maximum brightness level for the display; and if the brightness headroom value is determined to be larger than a predetermined threshold, then when an adjusted image based on the image is generated on the display having a brightness based on the brightness headroom, generating an adjusted backlight level for the backlight, the adjusted backlight level being based on a ratio of the highest brightness value to the maximum brightness level.
US08451209B2 Liquid crystal display device
A liquid crystal display device in which a frame of the image signal to be displayed is written into a liquid crystal display panel while a backlight is activated intermittently within one frame period so as to prevent blur injury arising when displaying motion pictures includes: sections and for variably controlling the illumination duration of the backlight based on the detected type of the image content to be displayed. This configuration makes it possible to appropriately control the image quality degradation caused by blur injury, stroboscopic effect and flickering, hence realize total image quality improvement.
US08451206B2 Liquid crystal display and method with field sequential driving and frame polarity reversal
A liquid crystal display device includes a liquid crystal display panel (LCD panel), an area light source device which illuminates the LCD panel, a driving unit which drives the LCD panel and the area light source device, and a control unit which controls the driving unit. The LCD panel includes display pixels. The area light source device includes plural kinds of light sources which are successively turned on in one frame period. The control unit includes means for controlling the driving unit in a manner to execute video signal write and reset signal write after the video signal write, in a period in which one of the plural kinds of light sources is turned on in the one frame period. The video signal write and the reset signal write are executed with the same polarity, and a polarity of potential of the display pixels is reversed between frame periods.
US08451202B2 Display assembly that uses pixel-level memory cells to retain and display partial content
A display assembly may include a plurality of pixel elements, of which a set of pixel elements include both a display cell and a memory cell. The display cell and the memory cell may be connected to receive data from a common source at the same time.
US08451201B2 Liquid crystal display device drive method, liquid crystal display device, and television receiver
The method of driving a liquid crystal display in accordance with one embodiment of the present invention is a method of driving a liquid crystal display whereby a first liquid crystal panels produces a display from a first display signal and the second liquid crystal panel produces a display a second display signal derived from the first display signal, the first and second liquid crystal panels being stacked on top of each other. The luminance of the first liquid crystal panel is extended based on the luminance extension ratio obtained from the gray levels for dots contained in the first display signal and a logical maximum gray level of input image data. The luminance of the second liquid crystal panel which produces a display from the second display signal is lowered by the amount by which luminance is extended on the first liquid crystal panel. A liquid crystal display with high display quality is realized by restraining decrease in saturation which would otherwise become obtrusive when two liquid crystal panels are stacked.
US08451199B2 Color adjustment method for color sequential liquid crystal display
A color adjustment method for a color sequential liquid crystal display (LCD) having at least one white light source is provided. In the color adjustment method, firstly, an original image signal is converted into a target color point located in a chromaticity diagram in a color space. Then, a modified image signal having white data is calculated according to the original image signal. Afterwards, the modified image signal is converted into a main color point located in the chromaticity diagram by using a matrix group. Then, a plurality of subfield data are calculated according to the main color point and the target color point. The subfield data are used for enabling the main color point to fall on the target color point.
US08451198B2 Display device and electric apparatus using the same
A display device (10) includes an upper substrate (first substrate) (2), a lower substrate (second substrate) (3), and a conductive liquid (16) that is sealed in a display space (S) formed between the upper substrate (2) and the lower substrate (3) so as to be moved toward an effective display region (P1) or a non-effective display region (P2). The display device (10) includes a signal electrode (4), a reference electrode (5), and a scanning electrode (6). An M voltage (intermediate voltage) between an H voltage (first voltage) and a L voltage (second voltage) and a voltage other than the M voltage are applied to the signal electrode (4) within a selected period (predetermined period) T during which one of the H voltage and the L voltage is applied to the reference electrode (5).
US08451190B2 Non-cutoff frequency selective surface ground plane antenna assembly
Described is an apparatus and method for reducing noise in an information bearing signal is provided. A feeding element receives dual-polarized wideband electromagnetic signals. The feeding element is coupled to a Non-Cutoff Frequency Selective Surface ground plane. The Non-Cutoff Frequency Selective Surface ground plane allows for a line-of-sight signal and a surface wave to cancel. The Non-Cutoff Frequency Selective Surface ground plane can be a metal plate with a plurality of corrugations. The corrugations can be concentric rings, each corrugation having a predetermined height and a predetermined spacing from adjacent corrugations.
US08451188B2 Data sending and receiving terminal
According to one embodiment, a data sending and receiving terminal includes a first body, a second body connected to the first body, the second body forming an opening and closing mechanism for the first body, a plurality of first antennas embedded in the first body, and a plurality of second antennas embedded in the second body. According to another embodiment, a method of configuring a data sending and receiving terminal having a first body and a second body is disclosed. The method includes: embedding a plurality of first antennas in the first body; embedding a plurality of second antennas in the second body; and coupling the first body and the second body such that the second body has an open state and a closed state relative to the first body.
US08451187B2 Removable fine tune elevation adjustment tool for a satellite antenna system
A removable tool for adjusting the elevation of a satellite antenna having a shaft, a knob engaging the threads of the shaft at one end, a pivot member slideably disposed over the shaft threads; an upper pin for selectively engaging a hole at the other end of the shaft and with upper holes on the antenna mount; and lower pin for selectively engaging a pivot hole in the pivot member and lower holes on the mount. When the knob is turned the shaft adjusts the elevation in the mount by pivoting between the two bracket pairs.
US08451185B2 Multi-feed dipole antenna and method
A multi-feed dipole antenna and method. Provides a volumetrically efficient antenna with wide radiation pattern bandwidth and wide impedance bandwidth that are relatively independent. Driving the antenna at multiple locations provides for a half wavelength dipole antenna with a wider frequency range than any other known fat dipole of similar volume. The apparatus is constructed from brass or any other suitable metal without requiring dielectric loading and without requiring direct coupling on the outside of the tubes. The apparatus utilizes a parasitic center tube with two end tubes that are driven by a collinearly mounted metal rod that is driven from the midpoint. Insulators hold the parasitic tube to the end tubes. The parasitic tube allows for induced currents to flow on the surface of the tube which allow for operation of the dipole over a wide frequency range.
US08451184B2 Antenna coil and manufacturing method thereof
The present invention provides an antenna coil which can be made smaller and intends to improve a receiving sensitivity in consideration of all directions.According to one embodiment of the present invention, an antenna coil including: a first coil 4 having an X-axis coil wound on an X axis of a first core and a Z-axis coil wound on a Z axis of the first core, the thickness direction of the first core being determined to be the Z-axis, an axis orthogonal to the Z axis being determined to be the X axis; a second coil 5 having a Y-axis coil wound around a second core, the second core having flanges at both ends; four external terminals 3 each connected to a corresponding end of the X-axis coil or the Z-axis coil and additionally provided on the first core; and two external terminals 3 each connected to a corresponding end of the Y-axis coil and additionally provided on the second core. The first coil 4 and the second coil 5 are arranged to be close to each other so that winding axis directions of the X-axis coil, the Y-axis coil, and the Z-axis coil are orthogonal to each other. The first coil 4 and the second coil 5 are integrally molded using an exterior resin 2, leaving part of each of the external terminals to be connected to an external circuit.
US08451183B2 Frequency-tunable metamaterial antenna apparatus
Techniques and apparatus based on metamaterial structures to achieve tunable operations of an antenna at different antenna frequencies.
US08451181B2 Method of estimating the focusing quality of a signal pre-equalized by time reversal
A method is provided for estimating the focusing quality of a signal pre-equalized by time reversal of an estimated propagation channel between a source antenna of a source communicating entity and a destination antenna of a destination communicating entity, the method comprising a step of evaluating a focusing quality of the signal received at the destination antenna relative to a value at a focal point of a representation of a curve of received power as a function of a distance between the destination antenna and the focal point.
US08451177B2 Wideband antenna
A wideband antenna for a radio transceiver device includes a first radiating element for transmitting and receiving wireless signals of a first frequency band, a second radiating element for transmitting and receiving wireless signals of a second frequency band, a grounding unit, a connection strip having one end coupled to the first radiating element and the second radiating element, and another end coupled to the grounding unit, and a feeding terminal coupled to the connection strip for transmitting wireless signals of the first frequency band and the second frequency band. The second frequency band is lower than the second frequency band, and the connection strip includes a structure extending toward the first radiating element.
US08451176B2 Method for achieving intrinsic safety compliance in wireless devices using isolated overlapping grounds and related apparatus
A system includes a wireless radio board, an antenna, and a ground pattern having a radio board ground and an antenna ground. At least a portion of the radio board ground and at least a portion of the antenna ground overlap. The radio board ground could include a first portion in a first layer of the ground pattern and a second portion in a second layer of the ground pattern, and the antenna ground could include a first portion in the first layer of the ground pattern. The antenna ground could further include a second portion in the second layer of the ground pattern. The radio board and antenna grounds could be separated by a minimum distance, such as 0.5 mm or 3.0 mm.
US08451175B2 Advanced active metamaterial antenna systems
Techniques, antenna systems and apparatus based on composite right and left handed (CRLH) metamaterial (MTM) structures to couple CRLH MTM circuits to transistors to amplify signals in wireless RF receivers and transmitters.
US08451174B1 Beam-scanning system
Technologies are described herein for locating and tracking objects of interest within a field of regard (FOR). Aspects include using a phased array to scan the FOR and receive signals emitted from an object of interest. The object of interest may then be located and tracked by processing the signals emitted from the object of interest.
US08451173B2 Maximum likelihood angle estimation of wideband signals using phased array antennas
A method for estimating a target direction of a wideband signal received on an electronically steered array includes: applying convolutional or stretch processing to spatial frequency data of the wideband signal; initializing a stabilization direction to a beam pointing direction; stabilizing the spatial frequency data to the stabilization direction; compressing the spatial frequency data to a plurality of frequency range or time bins; selecting range or time bins and forming a covariance matrix; calculating an estimated target direction using the covariance matrix; determining if a stabilization direction accuracy condition is met; recalculating the stabilization direction based on the estimated target direction if the stabilization direction accuracy condition is not met; and iteratively repeating until the stabilization direction accuracy condition is met.
US08451172B2 Reconfigurable beam-forming-network architecture
A beam-forming network having: a plurality (NI) of input signal ports (IP); a plurality (NO) of output signal ports (OP); a weighting and interconnecting network (WIN) comprising a plurality of signal dividers (SD), phase and amplitude weighting elements (WE), switches (SW1, SW2) and signal combiners (SC), for associating each input port to output ports through respective weighting units; wherein either input (IP) or output (OP) ports, or both, are partitioned into disjoint equivalence classes (IEC, OEC), at least a majority of said equivalence classes having more than one port; and in that the network is either configured in order to associate each input port to at most one output port for each output equivalence class, or to associate each output port to at most one input port for each input equivalence class, or both. Also provide is a multibeam antenna comprising having such a beam-forming network, and an electronic circuit for implementing such a beam-forming network.
US08451170B2 Device and method for producing a data stream on the basis of data packets provided with packet sequence marks, and satellite receivers for providing the data stream
A device for determining a position of a satellite receiver on the basis of data packets that are received from the satellite receiver, include a satellite signal, and are provided with packet sequence marks includes a packet loss detector for detecting, while using the packet sequence marks, whether one or more data packets between two received data packets have been lost, and a data packet processor configured to replace the one or more lost packets by one or more fill-in packets so as to generate a data stream as a sequence of the received data packets and of the fill-in packets inserted in place of the lost data packets. The device further includes a correlator configured to correlate the data stream with a reference data sequence to obtain a correlation result, and a position determiner configured to determine the position of the satellite receiver by means of the correlation result.
US08451160B1 Low power high speed pipeline ADC
In accordance with the teachings described herein, systems and methods are provided for a time-interleaved pipeline analog to digital converter. An example pipeline analog to digital converter may include passive sampling circuits and a multiplying digital to analog converter circuit. A first passive sampling circuit includes an input terminal coupled to an analog input signal, and outputs a first sample voltage that is responsive to the analog input signal. A second passive sampling circuit includes an input terminal coupled to the analog input signal, and outputs a second sample voltage that is responsive to the analog input signal. The first and second passive sampling circuits are clocked such that the first sample voltage and the second sample voltage are time-interleaved. A multiplying analog to digital converter (MDAC) circuit receives the time-interleaved first and second sample voltages from the first and second passive sampling circuits and processes the time-interleaved first and second sample voltages to generate a residue output voltage.
US08451159B1 Pipelined ADC with a VCO-based stage
A method for converting an analog signal to a digital signal is provided. Initially, a digital representation of a portion of an analog signal is generated. Residue of the analog signal is then sampled at a sampling instant so as to generate a residue sample. A signal having a frequency that is proportional to the voltage of the residue sample is generated, and the signal is measured to generate coarse and fine measurements of the frequency. A digital representation of the residue sample from the coarse and fine measurements is then generated.
US08451153B1 Auto-measurement and calibration of DC resistance in current sensing applications
The present invention pertains to calibration in current sensing applications. Power conversion systems such as those used in computer architectures may employ step down converters such as buck converters or other types of converters. The present invention provides calibration processes and devices to account for various parasitic resistances which are found in such systems. A calibration circuit may be coupled to the buck converter or other power conversion to determine a calibrated voltage signal for the output of the power converter. An effective DC resistance may be determined and programmed for use by a control device used. In this way, the parasitic resistances are taken into account to obtain an accurate estimate of the actual current. In turn, this enables power converters and other devices to operate within specification requirements.
US08451150B2 Transceiver and method for converting signals of the transceiver thereof
A transceiver includes an analog-to-digital converter (ADC) having an embedded processing circuit and an embedded digital-to-analog converting (DAC) unit. The ADC is arranged to convert an analog input signal into a digital output signal during a first operational phase of the transceiver. The embedded processing circuit is arranged to generate a digital code according to the analog input signal and an analog signal. The DAC unit is coupled to the embedded processing circuit, wherein the embedded DAC unit is arranged to convert the digital code into the analog signal during the first operational phase, and is arranged to convert a digital input signal into an analog output signal during a second operational phase of the transceiver.
US08451146B2 Legend highlighting
A method for manufacturing keycap includes applying a first coating layer on a surface of a keycap layer, applying a second coating layer on top of the first coating layer, etching at least a portion of the first coating layer to a first depth to form a first etched area, and etching at least a portion of the first etched area to a second depth to form a second etched area.
US08451145B2 Constructive device introduced into a security keyboard for securing information and secret processes stored by electronic means
CONSTRUCTIVE DEVICE INTRODUCED INTO A KEYBOARD FOR SECURITY OF INFORMATION AND SECRET PROCESSES STORED BY ELECTRONIC MEANS characterized by including a protective mechanism for the keyboard system which makes attacks impossible by mechanical manipulation, mechanical perforation, part separation, chemical short circuits or the insertion of intrusive devices. One of the objectives of this invention is to provide a constructive device for a keyboard in order to impede the insertion of unauthorized access devices into their internal circuits, guaranteeing the internal inviolability of installed equipment at the point of sale and providing a significant increase in the security of the keyboard system.
US08451144B2 Flaps overspeed advisory system
A flap advisory system provides an advisory to a pilot informing that a speed of the aircraft should be attended to because of a current or desired flap setting. More specifically, the flap advisory system compares a measured airspeed of the aircraft either directly to a flap placard speed or to a marginal speed range set below the flap placard speed for a given flap setting. If the measured airspeed is determined to be excessive then the system provides an advisory indicating the airspeed is too fast. Further, the system may provide an advisory when a movement of a flap handle is detected such that continued movement of the flap handle would place the flaps in a setting that is inappropriate for the measured airspeed.
US08451135B2 Anti-masking system and method for motion detectors
An anti-masking system and method for a motion detector includes a plurality of anti-masking components such as a spreading lens, at least one reflector located outside a housing of the motion detector, and a retroreflector located on the housing proximate to a lens. The system and method uses the plurality of anti-masking components to determine whether the lens of the motion detector has been masked by an object.
US08451134B2 Wind turbine generator fault diagnostic and prognostic device and method
A computer implemented method and system includes using information provided from sensors to monitor a wind turbine generator and provide signals representative of operation of the wind turbine generator, extracting signal level features from the signals, extracting model based features from the signals, calculating signal based conclusions, model based conclusions and spectral feature reinforcement based conclusions, andfusing the conclusions to provide a fault detection indication.
US08451133B2 Large current carrying capacitor having a thermal disconnect with a light indicator
A capacitor providing a thermal alert includes a wound film capacitor for carrying a large current when coupled to an AC generator. The wound film capacitor includes a hollow core extending from one end to another end of the capacitor. Also included are an in-line thermal switch, which is disposed in the hollow core for sensing a predetermined temperature; and a light indicator, which is coupled to the thermal switch. A single housing is integrally formed from an upper cover and a lower cover for housing the capacitor, the thermal switch and the light indicator. The upper cover of the housing is formed from translucent material. The thermal switch is configured to disconnect the wound film capacitor from the AC generator upon reaching the predetermined temperature, and activate the light indicator to emit a light. The upper cover is effective in transmitting the light from inside the housing to outside of the housing. The light indicator includes an incandescent light bulb, a neon bulb, or a light emitting diode (LED).
US08451132B1 Portable heat and smoke detection system
The portable heat and smoke detection system includes a detecting means that is portable and remotely located with respect to an alarming means. The alarming means informs the end user to the detection of smoke, fire, or carbon monoxide via the detecting means. The detecting means may or may not include a light and audible alarm; whereas the alarming means may include a light, audible alarm, cellular telephoning capability, text messaging capability, and/or an e-mail capability.
US08451131B2 Offender presence warning system
Offender presence warning system comprises;a tracking device securely attached to an offender limb, containing a GPS receiver and a wireless modem an RF transceiver designed to transmit at time interval RF signal. And a victim carry on RF transceiver device which receives offender tracking device transmitted signals when the offender is located within near proximity of a victim. The victim device in response to received RF transmitted signals from the tracking device, generates warning signal(s) to alert the victim the presence of an offender, and automatically transmits a RF signal(s) to the offender tracking device, which upon receipt of the RF signal generates alarm signal to warn the offender being too close to the victim, If the offender becomes non responsive, the offender tracking device transmits a signal to a monitoring station containing information to both the offender, and the victim unit ID along with GPS location information.
US08451130B2 Gesture-based animal trainer
A gesture-based animal trainer is provided. The gesture-based animal trainer is configured to be used by a person that provides gesture commands to an animal. As used herein, the term “gesture commands” refers to gestures that are each associated with a respective animal training command, wherein a gesture is defined as a selected group of movements performed by a person. The gesture-based animal trainer detects whether the person performs a gesture command and provides a stimulus to the animal in accordance with the gesture command. Upon the animal associating the respective stimulus with the gesture command, the gesture-based animal trainer allows the animal to receive the gesture command regardless of whether the person is within the animal's line of sight.
US08451129B2 Patient monitoring system with unitary structure and method
A unitary patient monitoring system (100) includes an alarm, such as a loudspeaker (203) and a weight sensitive switch (201). Each component is encapsulated in a cover member (101), which can be configured as a T-shape. The alarm is actuated when a user removes his weight from the weight sensitive switch (201). Where the alarm is a loudspeaker (203), an audible alarm is emitted by the loudspeaker (203) when a user gets up off the unitary patient monitoring system (100). Optional features of the unitary patient monitoring system (100) include an interrupt switch (212) for temporarily rendering the alarm inactive and a master switch (211) for turning the unitary patient monitoring system (100) ON and OFF. The unitary patient monitoring system (100) can be configured to turn ON automatically when a user sits on the unitary patient monitoring system (100) as well.
US08451128B2 Asset protection system
An asset protection system maintains a radio frequency field or signal in a monitored area. Assets have tags attached to them and are placed in the monitored area. The tags have a mechanism to attach them to the objects and have electronic components on board including a microprocessor, motion detector, radio frequency circuitry, audible alarm generator and in some cases, a passive EAS element. The tags are normally idle in the monitored area, but when the motion detector indicates that a tag is being moved, the RF circuitry checks for a signal or field at an expected frequency. If the tag does not detect a signal, the tag electronics determine that the tag has left the monitored area and generate an audible alarm. If a signal is detected, the tag returns to an idle state once it stops moving. The tags may also alarm if tampered with.
US08451127B2 Jacket locator
A locator system for electronic devices including at least one jacket for a modular wireless communicator, each jacket having an identifier, and a modular wireless communicator that attaches to each one of the at least one jacket, including a positioning system for identifying a location of the modular wireless communicator, a log manager for recording a plurality of entries in a log, each entry including the jacket identifier for a jacket currently attached to the modular wireless communicator, and a current location as identified by the positioning system, and a controller for notifying the log manager of occurrence of a log trigger event, wherein the log manager records a new entry in the log when it receives a notification of a log trigger event from the controller, and wherein the log trigger events enable determination of a location where a jacket was last actively used with the modular wireless communicator.
US08451121B2 Calibration and operational assurance method and apparatus for RFID object monitoring system
A method for monitoring objects in a three dimensional target area and or business process decision making. The methods include calibration, recalibration, operation and rules compliance for a radio frequency object monitoring system. Location tags are placed throughout a three dimensional area in predetermined positions and used to determine relative position, movement and or distances of objects with and without object tags. Repeated scanning and comparison of data provides a database by which the object monitoring system responds according to predetermined rules.
US08451120B2 System for relative positioning of access points in a real time locating system
A system is described for relative positioning of access points in a real time locating system. The system may include a memory, interface, and processor. The memory may store layout information for a work area which includes architectural and infrastructure attributes. The processor may determine a number of access points to position in the work area based on the architectural attributes. The processor may determine a placement of a test tag in the work area based on the infrastructure attributes. The processor may determine a positioning of the access points in the work area which substantially maximizes coverage and accuracy of locating the test tag in the work area. The processor may determine a repositioning of one of the access points when the coverage and accuracy do not satisfy a threshold. The processor may provide a graphical representation of the positioning of the access points, when the threshold is satisfied.
US08451118B2 Method and apparatus for maintaining and locating lost, misplaced or stolen articles
Theft increases the average product cost to consumers. A mentoring system is presented that can help to reduce or prevent the inventory from lost or theft. Theft is a serious concern in the consumer market place. Industry loses billions per year on theft of merchandise. According to a Reuters report, last year, thefts by employees of U.S. retail merchandise accounted for $15.9 billion, or 44 percent of theft losses at stores, more than shoplifting and vendor fraud combined. Thus,total thief by the customers and store employees during the year 2008 amounted to $36 billion. Several embodiments of ways to control or reduce the thefts in the market place are presented.
US08451117B2 Content processing system capable of event detection and content management
In accordance with at least some embodiments, a process for transmitting a signal is presented. The process may be implemented to detect an occurrence of a predetermined event associated with an object and in response to detecting the occurrence of the predetermined event, transmit a signal relating to a content associated with the object.
US08451115B2 System and method for preventing portable terminal from being left, and portable terminal
A system for preventing a portable terminal from being left is characterized in that the portable terminal sounds an alarm when a signal from a wireless terminal can no longer be received, terminates sounding of the alarm after a predetermined amount of time passes, and makes a transition to a lock standby state.
US08451110B2 Seat belt warning apparatus and seat belt warning method
To provide with a seat belt warning apparatus capable of stopping the operation of a buzzer, for example, when a passenger has moved from a rear seat to another seat, such as a front passenger's seat, and fastens the seat belt, the seat belt warning apparatus outputs a notice when the number of seats where seat belts are fastened except a driver's seat is reduced, and stops the output of the notice when the number of seats where the seat belts are fastened except the driver's seat is equal to or more than that when the notice is output.
US08451102B2 Methods, devices, and computer program products for providing ambient noise sensitive alerting
Methods, devices, and computer program products for providing ambient noise sensitive alerting. The methods comprise receiving ambient noise, converting the ambient noise to an electrical signal, detecting a parameter of the electrical signal which is indicative of ambient noise, sensing an incoming call or message, and controlling the volume of an audible alert in response to the detected parameter of the electrical signal.
US08451095B2 Systems and methods for interrogator multiple radio frequency identification enabled documents
A multi-document read-write station provides the ability to read/write to a stack of Radio Frequency Identification (RFID) tags within a small area. Specifically, the station provides the ability to read from and write to a tall stack of RFID tagged sheets with the RFID tags stacked one on top of the other. The station and capability described herein is the result of and comprises several components including a closed chamber comprising a document slot, an antenna system, and a power management system.
US08451093B2 RFID tag, interrogator and system with improved symbol encoding and decoding
An improved RFID Tag, Interrogator, and system wherein at least one tag modulates a radio frequency signal by modulated backscatter operations.
US08451082B2 Low profile coil-wound bobbin
A low profile coil-wound bobbin includes a spool, a terminal, a lower flange, and a terminal base member. The spool is configured to have a coil-wire arrangement wound around an axis the spool. The terminal is to be coupled to the coil-wire arrangement and a first side of a circuit board such that the axis of the spool is substantially normal to the circuit board and the bobbin extends completely through the circuit board. The lower flange is coupled to the spool to at least partially contain the coil-wire arrangement. The terminal base member is coupled to the lower flange and the terminal. A vertical member of the terminal base member includes a chamfer region on a top edge of the vertical member to guide and reduce stress on a wire end of the coil-wire arrangement.
US08451077B2 MEMS switches with reduced switching voltage and methods of manufacture
MEMS switches and methods of manufacturing MEMS switches is provided. The MEMS switch having at least two cantilevered electrodes having ends which overlap and which are structured and operable to contact one another upon an application of a voltage by at least one fixed electrode.
US08451075B2 Protective device having a thin construction
The present invention is directed to an electrical wiring device that includes a housing comprising a front cover member, a back cover member, and an electrically isolating separator member disposed therebetween. The internal components are engineered and arranged such that a distance from the interior ground strap portion and the back major surface is less than or equal to a predetermined distance.
US08451072B2 Method for transmission lines using meta-materials
High frequency circuits for wireless, digital and microwave applications place requirements upon the impedance of their signal lines, interconnects and packaging. In designing and implementing the substrates for these signal lines it is beneficial to employ meta-materials to provide the desired impedance. Such meta-materials providing a means to provide modified permittivity and permeability for the substrate, these being different than the real permittivity and permeability of the insulator used. In an example embodiment, a substrate is configured as a meta-material. It is desirable therefore to have a means to model these meta-material aspects of the signal lines rapidly and accurately allowing the circuits, interconnects and packages to be designed and implemented without expensive and exhaustive iterative experimental characterization. Within the cited invention design parameters for the meta-material structure are determined in dependence upon input parameters characterizing the conductive medium, dielectric medium enveloping the conductive material, and the pre-determined shapes of the conductive medium.
US08451068B2 Oscillator
Provided is an oscillator using an MEMS resonator, which can reduce an influence of noise of a TIA and improve phase noise characteristics of an oscillator output. The oscillator includes an MEMS resonator, a TIA, a buffer amplifier, and a current/voltage converter that couples, by electromagnetic induction, with a wiring line via which an output of the MEMS resonator is fed to the TIA, so as to convert a current flowing in the wiring line to a voltage and output the voltage to the buffer amplifier. Thus, the oscillator output is extracted from the current/voltage converter. Further, the current/voltage converter is provided in the form of an oscillation output coil provided so as to surround the wiring line in a noncontact manner, in which oscillation output coil one end is connected to ground and the other end is connected to the buffer amplifier.
US08451065B2 Oscillator circuit and electric-current correction method
A PLL circuit includes a storage unit for storing a control voltage at a desired frequency obtained when a reference signal is synchronized with a referenced signal; a current generator circuit that includes a pull-up circuit and a pull-down circuit, each of which outputs an electric current at a predetermined timing; a voltage detecting unit that detects an output voltage corresponding to an electric current output by the current generator circuit; and a current control unit that changes a current value of at least one of the pull-up circuit and the pull-down circuit so that respective current values match each other, and controls the respective current values of the pull-up circuit and the pull-down circuit so that the output voltage detected by the voltage detecting unit matches the control voltage stored in the storage unit.
US08451062B2 Radiation hardened differential amplifier
This disclosure is directed to techniques for preventing or reducing perturbations of an output signal of a differential amplifier caused by ionizing radiation incident upon the amplifier. The amplifier may include an amplification module that includes a plurality of amplification units configured to amplify a difference between a first component and a second component of a differential voltage signal to generate a plurality of amplified difference signals each corresponding to the amplified difference. The amplifier may further include a combination module that combines the plurality of amplified difference signals to generate a common output signal corresponding to the amplified difference.
US08451058B2 Amplifier bandwidth extension for high-speed tranceivers
There is presented a high bandwidth circuit for high-speed transceivers. The circuit may comprise an amplifier combining capacitor splitting, inductance tree structures, and various bandwidth extension techniques such as shunt peaking, series peaking, and T-coil peaking to support data rates of 45 Gbs/s and above while reducing data jitter. The inductance elements of the inductance tree structures may also comprise high impedance transmission lines, simplifying implementation. Additionally, the readily identifiable metal structures of inductors and t-coils, the equal partitioning of the load capacitors, and the symmetrical inductance tree structures may simplify transceiver implementation for, but not limited to, a clock data recovery circuit.
US08451057B2 Switching amplifier using inductor current feedback
A switching amplifying method or a switching amplifier for obtaining a linearly amplified replica of an input signal, is highly efficient, and does not have the disadvantage of “dead time” problem related to the class D amplifiers. Said switching amplifier comprises: an inductor means; a switching unit for switching a current from a DC voltage to the inductor means; a controllable diodes unit for blocking a current when the current from the DC voltage to the inductor means is switched on, and conducting the current from the inductor means to a filter unit when the current from the DC voltage to the inductor means is switched off; an amplifier control unit to control the switching unit and the controllable diodes unit according to the input signal and the current of the inductor means; the filter unit to filter the current from the inductor means to get an output signal.
US08451055B2 Distortion compensating apparatus, transmitting apparatus, and distortion compensating method
An apparatus includes: a unit that stores the look-up table including distortion compensation coefficients; a unit that selects addresses according to an input signal, acquires coefficients stored at the selected addresses, and performs the predistortion of the input signal by using the acquired coefficients; a unit that calculates an error signal by comparing with the input signal a feedback signal that indicates an output of a power amplifier to which a result of the predistortion is inputted; a unit that calculates coefficients from the error signal and the acquired coefficients by using the adaptive algorithm; a unit that, for each of the selected addresses, selects coefficients as adequate coefficients from among the calculated coefficients according to the error signal; and a unit that, for each of the selected addresses, calculates an average value of the adequate coefficients and replaces a stored coefficient in the look-up table with the average value.
US08451046B2 System and method for switch leakage cancellation
In accordance with embodiments of the present disclosure, a circuit may include a transmission switch and a dummy switch coupled at its output to the output of the transmission switch. The transmission switch may be configured to be selectively enabled and disabled based on a control signal received at a gate of the transmission switch. The transmission switch may be further configured to receive a first polarity of a differential signal at its input and pass the first polarity of the differential signal to its output when enabled. The dummy switch may be configured to be disabled and to receive a second polarity of the differential signal at its input, the second polarity of opposite polarity of the first polarity.
US08451044B2 Switching circuit
A method for controlling a switch based on transistors is disclosed. A switching circuit for switching a signal from an input port to an output port thereof is provided. A shunting circuit for switchably shunting the signal from the input port to ground is also provided. A control signal is generated for biasing a control port of the shunting circuit and an approximately complementary control signal is generated for biasing of the switching circuit to either shunt a signal received at the input port or to switch the signal to the output port. A further bias signal for biasing a port within the switching circuit along the signal path between the input port and the output.
US08451040B2 Flip-flop circuits
A flip-flop circuit includes an input portion that receives a first external input signal through a first external input terminal, a storage portion that stores a signal transmitted from the input portion, and an output portion that outputs the signal stored in the storage portion through an external output terminal as a logic operation result with respect to a second external input signal received through a second external input terminal of the input portion. The output portion includes a logic gate directly connected to the external output terminal and an input terminal of the logic gate receives the signal stored in the storage portion.
US08451031B2 Adjustable finite impulse response transmitter
Apparatus and methods are provided for generating output signals representative of bits of serial data. A transmitter includes driver circuitry configured to generate an output signal at an output node and an allocation control module coupled to the driver circuitry. The driver circuitry includes a plurality of driver legs configured to generate the output signal based on a plurality of data bits. The allocation control module is configured to allocate a respective subset of the plurality of driver legs to a respective data bit of a plurality of data bits, wherein the each subset generates a component of the output signal that is influenced by its respective data bit.
US08451027B2 Pseudo full-rate sense amplifier flip-flop for high-speed receiver front-end
An apparatus includes a first sensing circuit operative to drive a node with a first sample of an input signal during a first phase of a clock signal. The apparatus includes a second sensing circuit operative to drive the node with a second sample of the input signal during a second phase of the clock signal. An output signal on the node includes the first and second samples and has a bit rate that is N times the rate of the clock signal. N is an integer greater than one. In at least one embodiment of the apparatus, during the second phase of the clock signal, the first sensing circuit provides a high impedance to the node, and during the first phase of the clock signal, the second sensing circuit provides a high impedance to the node.
US08451022B2 Integrated circuit and input data controlling method for reconfigurable circuit
An integrated circuit according to the invention includes a reconfigurable circuit including a plurality of computing units interconnected in a reconfigurable manner, and an input data controlling section. The input data controlling section controls input data such that the data is inputted to the reconfigurable circuit in response to a configuration of the reconfigurable circuit.
US08451018B2 Bit failure signature identification
A method, system, and program product for identifying at least one bit failure among a plurality of semiconductor chips are provided. A first aspect of the invention provides a method of identifying at least one bit failure signature among a plurality of semiconductor chips, the method comprising: counting failures of each failing bit among the plurality of semiconductor chips; determining a most commonly failing bit (MCFB) among the failing bits; establishing a bit failure signature including the MCFB; counting failures of each failing bit on semiconductor chips on which the MCFB fails; determining a next most commonly failing bit (NMCFB) among the failing bits on semiconductor chips on which the MCFB fails; determining whether the NMCFB tends to fail when the MCFB fails; and in response to a determination that the NMCFB tends to fail when the MCFB fails, adding the NMCFB to the bit failure signature.
US08451017B2 Membrane probing method using improved contact
A substrate, preferably constructed of a ductile material and a tool having the desired shape of the resulting device for contacting contact pads on a test device is brought into contact with the substrate. The tool is preferably constructed of a material that is harder than the substrate so that a depression can be readily made therein. A dielectric (insulative) layer, that is preferably patterned, is supported by the substrate. A conductive material is located within the depressions and then preferably lapped to remove excess from the top surface of the dielectric layer and to provide a flat overall surface. A trace is patterned on the dielectric layer and the conductive material. A polyimide layer is then preferably patterned over the entire surface. The substrate is then removed by any suitable process.
US08451015B2 Method for making electrical test probe contacts
A method of testing an electrical component includes coupling the electrical component to at least a first probe, a second probe, and a third probe. The probes are in communication with a test control module. Furthermore, the method includes confirming that the probes are in sufficient electrical connection with the electrical component by allowing the test control module to supply a current through the electrical component via the first probe and the third probe, and simultaneously detecting a potential difference across the electrical component by the second probe and the third probe. Furthermore, the method includes testing a performance characteristic of the electrical component by supplying a redundant signal to the electrical component via at least two of the first probe, the second probe, and the third probe.
US08451014B2 Die stacking, testing and packaging for yield
A method to test and package dies so as to increase overall yield is provided. The method includes performing a wafer test on a first die and mounting the first die on a package substrate to form a partial package, if the wafer test of the first die is successful. The method further includes performing a system test on the partial package including the first die and stacking a second die on the first die if the system test on the partial package and the first die is successful.
US08451011B2 Electrostatic capacity-type sensor
An object of the present invention is to provide an electrostatic capacity-type sensor which is excellent in durability and can detect bending-deformation. An electrostatic capacity-type sensor comprises a dielectric film made of an elastomer and a pair of electrodes arranged via the dielectric film, and detects the deformation based on a change in the electrostatic capacity between the pair of electrodes. The pair of electrodes have an elastomer and a conductive filler blended in said elastomer, and are expansible/contractible depending on the deformation of the dielectric film, and exhibit a small change in the conductivity even when expanded and contracted.
US08451010B2 Coupon board and manufacturing method of printed board
A coupon board is cut out together with a printed wiring board from a sheet material in which a solder resist film is formed on a surface of a glass cloth fiber. The coupon board is for evaluating characteristics of the printed wiring board. The coupon board includes a region on which the solder resist film is not formed, and which extends parallel with one side of the printed wiring board.
US08451009B2 Techniques employing light-emitting circuits
A light-emitting circuit includes a light-emitting transistor and a voltage supply in communication with the light-emitting transistor to bias the light-emitting transistor in a reasonably bright state. A reasonably bright state is a state in which light emission approaches the greatest for a given drain-source current in the light-emitting transistor. In one aspect, the light-emitting circuit is in communication with a device under test and configured so that the light-emitting transistor emits photons in a manner indicative of an operation of the device under test. The light-emitting circuit may be disposed in a first semiconductor layer, and the device under test may be disposed in a second semiconductor layer. Further, the first semiconductor layer may be included in a first die, and the second semiconductor layer may be included in a second die.
US08451000B2 Inductive position sensor, measuring system equipped therewith and method for operating a position sensor
An inductive position sensor includes an electronic circuit, which is configured such that initially three digital signals are able to be generated from the signals detected by three receiver printed conductors. At least two position values are ascertainable by combining the three digital signals, and the position values are able to be supplied to a comparator. A measuring system includes, in addition to the position sensor, a data interface and sequential electronics which include the comparator.
US08450998B2 Digital quantity gauge for an agricultural aircraft payload hopper using a magnetostrictive linear displacement transducer (MLDT)
A system for determining the quantity of a liquid agricultural product available for spraying on a field from a tank in an airplane comprising a payload storage tank for holding the agricultural product, an elongated magnetostrictive linear displacement transducer tube located vertically in the aircraft payload storage tank, a probe float slidably coupled to move up or down on the elongated magnetostrictive linear displacement transducer tube, and a permanent magnet coupled to the probe float. The position of the magnet is sensed by the elongated magnetostrictive linear displacement transducer tube which generates a signal that marks the level of the liquid in the aircraft payload storage tank, and converter means converts the generated signal that marks the level of the liquid in the aircraft payload storage tank to a quantity of liquid in the aircraft payload storage tank which is displayed to the pilot.
US08450997B2 Electromagnetic position and orientation sensing system
Magnetic tracking systems and methods for determining the position and orientation of a remote object. A magnetic tracking system includes a stationary transmitter for establishing a reference coordinate system, and at least one receiver. The remote object is attached to, mounted on, or otherwise coupled to the receiver. The transmitter can include a set of three mutually perpendicular coils having a common center point, or a set of three coplanar coils with separate centers. The receiver can include a set of three orthogonal coils. The position and orientation of the receiver and the remote object coupled thereto is determined by measuring the nine mutual inductances between the three transmitter coils and the three receiver coils. The magnetic tracking system provides reduced power consumption, increased efficiency, digital compensation for component variation, automatic self-calibration, automatic synchronization with no connections between transmitter and receiver, and rapid low-cost implementation.
US08450990B2 Dynamic control loop for switching regulators
A method of controlling a regulator includes turning on a first driver during a first cycle for a first time period. A second driver is turned on during the first cycle for a second time period. The first and second drivers are off during the first cycle for a third time period. The first time period is adjusted to become an adjusted first time period for a second cycle based on a ratio and a voltage difference between a peak value of the output voltage and a first voltage during the first cycle. The ratio refers to the first time period over the first time period and the second time period.
US08450989B2 Tracking current through switching devices
A system can include a switching circuit configured to conduct electrical current through at least one switch device thereof during an activation interval of the switch device in response to a periodic control signal. A tracking system is configured to provide a tracking signal indicative of a predetermined point of the activation interval. Sampling circuitry is configured to measure the electrical current at the predetermined point of the activation interval in response to the tracking signal, such that the sampling circuitry provides an output signal indicative of an average electrical current.
US08450982B2 Charge control circuit and charge controlling semiconductor integrated circuit
A charge control circuit equipped with a function of controlling a charging current to be supplied to a secondary battery, comprises: a detecting unit for monitoring a temperature; and a charge control unit for controlling so as to break the charging current when the monitored temperature rises to a temperature equal to or more than a predetermined set temperature, decrease the charging current as the monitored temperature becomes higher when the monitored temperature is in a predetermined temperature range lower than the set temperature, flow the charging current having a predetermined current value in a state where the monitored temperature is lower than a lower limit temperature of the temperature range, or flow the charging current having a current value smaller than the current value when the monitored temperature is within a range of from an upper limit temperature of the temperature range to the set temperature.
US08450970B1 Small footprint portable battery charging station
A small footprint portable battery charging station having a vertically mounted circuit board, containing the charging circuit components, enclosed within a housing. The charging station is arrayed with bays back to back within which the batteries under charge may be mounted. The battery charging station further containing intake vents close to the base of the station and exhaust vents close to the top of the station. These vents encourage the natural convective flow of air around the charging circuit components.
US08450967B2 Network-controlled charging system for electric vehicles
A server of a network-controlled charging system for electric vehicles receives a request for charge transfer for an electric vehicle at a network-controlled charge transfer device, determines whether to enable charge transfer, and responsive to determining to enable charge transfer, transmits a communication to the network-controlled charge transfer device that indicates to the network-controlled charge transfer device to enable charge transfer.
US08450966B2 Method of operating a recharging system utilizing a voltage dividing heater
A method of charging a rechargeable battery pack installed in an electric vehicle is provided in which the charging system includes a switching circuit that is operable in at least a first mode and a second mode. In the first mode the switching circuit couples the power supply and an external power source to both a heater and the charging circuit, the heater providing a voltage divider circuit within the charging circuit. In the second mode the switching circuit couples the power supply and the external power source only to the charging circuit, bypassing the heater.
US08450965B2 Stack-powered fuel cell monitoring device with prioritized arbitration
A system that monitors fuel cells in a fuel cell group. The system includes a plurality of voltage sensors coupled to the fuel cells in the fuel cell group, where each sensor monitors a different voltage of the fuel cells and where lower priority voltage sensors monitor higher voltages and higher priority sensors monitor lower voltages. The system also includes a plurality of oscillators where a separate oscillator is coupled to each of the sensors. Each oscillator operates at a different frequency where higher frequency oscillators are coupled to lower priority sensors and lower frequency oscillators are coupled to higher priority sensors. A light source that receives frequency signals from the oscillators and switches on and off in response to the frequency signals. A light pipe receives the switched light signals from the light source and provides light signals at a certain frequency at an end of the light pipe.
US08450962B2 System for controlling a motor
A control system for a motor includes a current regulation controller for generating a terminal voltage command. The terminal voltage command is used for converting a supply voltage to a three phase voltage to power a motor. The control system also includes a terminal voltage command feedback module for controlling the terminal voltage command. The terminal voltage command feedback module compares the terminal voltage command to a determined voltage limit of the supply voltage and generates a d-axis current adjustment command in accordance with the comparison. The d-axis current adjustment command is used for reducing the terminal voltage command below the determined voltage limit. The control system also includes a summer coupled with the terminal voltage command feedback module. The summer adds the d-axis current adjustment command to a d-axis current command received from a lookup table.
US08450961B2 Power converting apparatus
A converter and an inverter are connected via a clamp circuit. The converter performs commutation in accordance with any of a first commutation mode in which trapezoidal waves are compared with a carrier and a 120-degree conduction mode. A diode of the clamp circuit is short-circuited by a shorting switch. The shorting switch is rendered conductive when a power factor reduces or a power supply voltage reduces, and capacitors of the clamp circuit are connected in series between DC power supply lines. The converter performs commutation in accordance with the 120-degree conduction mode, not in accordance with the first commutation mode, while the shorting switch is conductive.
US08450958B2 Motor control method, motor control device, fan device, compressor, and pump device
Triggered by a position detection sensor detecting that a rotor is positioned at any one of K predetermined electrical angles, for example, 60°, 180°, and 300°, a voltage vector to be given to a motor is updated. When, for example, the rotation frequency is equal to or higher than a specified value, the predetermined electrical angles is changed into M, for example, into one angle of 60°.
US08450957B2 Space vector based synchronous modulating method and system
A space vector based synchronous modulating method includes sampling a frequency f of a reference voltage vector; checking a relational table of frequencies and carrier wave ratios by the frequency f so as to obtain a carrier wave ratio N; obtaining a passing angle Δθ of the reference voltage vector by Δθ=2π/N; obtaining a modulating angle θm of the reference voltage vector by θm=(Nth−1)×Δθ, in which Nth indicates which time of sampling; obtaining a modulating ratio m according to a modulating ratio-frequency curve; accounting and synthesizing an output angle of three basic voltage vectors of the reference voltage vector according to the modulating angle θm and the passing angle Δθ of the reference voltage vector and the modulating ratio m; comparing a variable quantity θf the reference voltage vector angle θ and the output angle of three basic voltage vectors, and outputting corresponding basic voltage vectors according to the comparing result; synthesizing an output voltage in accordance with the reference voltage vector by the basic voltage vectors.
US08450954B2 Electronically controlled universal motor
An electric motor apparatus comprising a rotor component rotating with respect to a stator component. A rotational position indicator generates rotational position information indicative of a relative orientation of the rotor and stator components. A rotor winding control unit is fixedly mounted on the rotor component and is coupled to a rotor supply voltage supplied to the rotor component. The rotor control unit generates a rotor waveform in dependence on the rotational position information and applies the rotor waveform to a rotor winding arrangement. A stator winding waveform generator generates a stator waveform in dependence on the rotational position information and applies the stator waveform to a stator winding arrangement. The rotor waveform and stator waveform are generated in synchronization with the relative orientation of the rotor and stator components in order to synchronize mutual interactions of the rotor winding arrangement and the stator winding arrangement with the relative orientation.
US08450951B2 System and method for gyrotron power regulation
A system to regulate gyrotron power is configured to raise the filament voltage of a gyrotron to a standby voltage, then set the filament voltage to the normal standby voltage plus a current offset voltage before pulsing the gyrotron. The system is further configured to increase the filament voltage to a boost voltage that is higher than the standby voltage, thereby inducing a temperature increase in the cathode that offsets the cooling effect of radiating. The system is also configured to analyze a beam power of the gyrotron and adjust the filament voltage to bring a beam current within a range, and reduce the filament offset to zero such that the filament voltage is equal to the standby voltage.
US08450947B2 Method for driving lamp of backlight control circuit
A backlight control circuit includes a secondary winding, a control circuit, a first circuit including a first capacitor and a first switching element, and a second circuit including a second switching element and a reactance element. A method for driving the backlight control circuit includes the control circuit switching off the first switching element, and the secondary winding outputting a startup AC voltage to the lamp. A first resonant circuit which includes the lamp, the secondary winding and the first circuit is formed, with a first resonant frequency suitable to light up the lamp. The control circuit switches on the first switching element, and the secondary winding outputs an operation AC voltage to the lamp. A second resonant circuit which includes the lamp, the secondary winding, the first and second circuit is formed, with a second resonant frequency suitable to keep the lamp lighted.
US08450945B2 High-frequency lamp and method for the operation thereof
A high-frequency lamp (10) for low-pressure and high-pressure applications, and a method for the operation thereof, that is particularly suitable for improving the characteristics with regard to efficiency, emission spectrum, cost, and long life, in that the use of an ignition unit is no longer necessary, even at very low high-frequency power, due to an impedance transformer (26) connected downstream of a power amplifier (20), because the application of as high a voltage as possible to an ionization chamber (16) is successfully achieved by the impedance transformation.
US08450943B2 Illuminating device and controlling method thereof
To a constant-current power supply whose output current can be variably set, light emitting modules can be connected in parallel. A control unit recognizes connection information outputted from an information output unit provided in each of the light emitting modules and varies the output current of the constant-current power supply. Drive can be controlled in response to a state of the connected light emitting modules such as the connecting number of light emitting modules.
US08450939B2 Method for igniting and starting high-pressure discharge lamps
A method for igniting and for starting high-pressure discharge lamps is provided. The method may include applying a takeover voltage to the lamp for a predetermined time of a burst; superimposing ignition pulses on the takeover voltage in such a way that the voltage of the ignition pulses and the takeover voltage are added up and an interruption being provided between two bursts; and changing the ignition pulses from burst to burst or within a burst from the positive half-cycle of the takeover voltage to the negative half-cycle of the takeover voltage, and vice versa.
US08450937B2 High-pressure discharge lamp lighting device, high-pressure discharge lamp utilizing the same, projector utilizing said high-pressure discharge lamp, and high-pressure discharge lamp lighting method
A first waveform (a rectangular waveform, for example) is applied as the waveform of the alternating current supplied to a high-pressure discharge lamp for a predetermined time from the beginning of lighting of the lamp and a second waveform (a staircase waveform, for example) is applied as the waveform of the alternating current after the elapse of a predetermined time (100 [s], for example). The alternating current with the first waveform has a lower absolute instantaneous value in a final section of each half-cycle period thereof than in the other sections and the alternating current with the second waveform has a higher absolute instantaneous value in a final section of each half-cycle period thereof than in the other sections.
US08450933B2 Plasma processing apparatus
A plasma processing apparatus includes a vacuum chamber, a plasma processing execution portion, a discharge state detecting unit, a window portion, a camera, a first storing portion, a second storing portion and an image data extracting unit. When an abnormal discharge is detected, the image data extracting unit extracts at least moving image data showing a generation state of the abnormal discharge from the first storing portion and stores the extracted moving image data in the second storing portion. When plasma processing is ended without the detection of the abnormal discharge, the image data extracting unit extracts, from the first storing portion, moving image data of a predetermined specific period or still image data of a specific period derived from the moving image data of the first storing portion and stores the extracted moving image data or the extracted still image data in the second storing portion.
US08450926B2 OLED lighting devices including electrodes with magnetic material
An article of manufacture comprises a thin film solid state lighting device, such as an organic light emitting diode (OLED) device, having a planar light emitting side and an opposite planar mounting side and including electrodes disposed on the planar mounting side of the thin film solid state lighting device, the electrodes including a magnetic material configured to conductively convey electrical drive current to drive the thin film solid state lighting device to emit light at the planar light emitting principal side. The article of manufacture may further comprise a fixture having a planar surface with magnets arranged to mate with the electrodes to magnetically secure the thin film solid state lighting device with the fixture and to concurrently form electrically conductive paths including the magnetic material of the electrodes configured to conductively convey electrical drive current. Thus this magnetic connection provides both mechanical support and electrical conduction path.
US08450924B2 Light-emitting device and method for manufacturing the same
The present invention provides an organic light-emitting element where a lower electrode, an organic compound layer and an upper electrode are laminated on a substrate, wherein the upper electrode of the organic EL element is formed by a laminate of at least a conductive first inorganic film, a conductive organic film and a conductive second inorganic film, in order to suppress the occurrence of dark spot, so that the occurrence of pinholes in the upper electrode leading to dark spots is suppressed. Here, pinholes refer to holes in the upper electrode that penetrate upper electrode from the organic compound layer underneath to the atmosphere above.
US08450920B2 Field emission electronic device
The present disclosure provides a field emission electronic device. The field emission electronic device includes an insulating substrate, a first electrical conductor located on surface of the insulating substrate, a number of electron emitters connected to the first electrical conductor, a second electrical conductor spaced apart from and insulated from the first electrical conductor. Each of the number of electron emitters includes at least one electron emitter. Each of the electron emitters includes a carbon nanotube pipe. The carbon nanotube pipe includes a first end, a second end and a main body connecting the first end and the second end. The first end of the carbon nanotube pipe is electrically connected to one of the plurality of row electrodes. The second end of the carbon nanotube pipe has a number of carbon nanotube peaks.
US08450919B2 Discharge lamp and illuminant compound for a discharge lamp
The invention relates to an illuminant compound for a discharge lamp (1), said compound having an emission spectrum in the green spectral range and being designed to absorb the radiation emitted in the visible spectral range by an Hg source and to convert said visible radiation of the Hg source into the emission spectrum of the illuminant compound. The invention also relates to a discharge lamp comprising an illuminant compound of this type.
US08450911B2 Piezoelectric thin film having a high piezoelectric constant and a low leak current
To provide a piezoelectric thin film element comprising: a piezoelectric thin film on a substrate, having an alkali-niobium oxide-based perovskite structure expressed by a composition formula (K1-xNax)yNbO3, wherein composition ratios x, y of the piezoelectric thin film expressed by (K1-xNax)yNbO3 are in a range of 0.4≦x≦0.7 and 0.7≦y≦0.94.
US08450907B2 Sound generator for use in parametric array
A sound generator includes a transducer converting electric energy to mechanical energy, a mechanical amplifier mechanically amplifying a vibration generated in a piezoelectric component of the transducer, and a radiation plate radiating a sound wave from a signal amplified by the mechanical amplifier, wherein the radiation plate includes a first step having a height for compensating for a first resonance frequency and a second step having a height for compensating for a second resonance frequency.
US08450905B2 Methods for controlling velocity of at least partially resonant actuators systems and systems thereof
A method, computer readable medium, and system for controlling velocity of at least partially resonant actuator system includes obtaining at an actuator controller computing system a selected operating velocity within an operational velocity range for at least one of one or more at least partially resonant actuator devices. A width of one or more pulses of a driving signal for the at least one of one or more at least partially resonant actuator devices is adjusted with the actuator controller computing system based on the selected operating velocity. The driving signal with the adjusted width of the one or more pulses is provided with the actuator controller computing system to obtain the selected operating velocity at the at least one of the one or more at least partially resonant actuator devices.
US08450901B2 Motor for compressor and hermetic compressor having the same
A motor for a compressor and a hermetic compressor having the same are provided. An aluminum coil is used in the motor for the compressor, and sectional areas of main and sub slot portions and numbers thereof are adjusted to be suitable for usage conditions, whereby fabricating costs of the motor for the compressor and the hermetic compressor may drastically be reduced. Also, as the aluminum coil of the motor for the compressor is coupled to a lead wire in a welding manner, breaking of the aluminum coil, which may occur when coupling the aluminum coil to the lead wire, may be prevented, resulting in improvement of assembly reliability of the reciprocating compressor.
US08450898B2 Insulator for stator assembly of brushless DC motor
An insulator for a stator assembly includes at least a first insulator adapted to be mounted to the stator core and structured to insulate the stator core from the coils. The at least one insulator includes structure to perform at least one additional function. For example, the structure may include a support member to support and/or locate the PCBA on the stator core, a wire guide to guide cross-over wires that form a connection between coils, and/or positioning structure to precisely position the PCBA with respect to the coils.
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