| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | Core independent peripheral based ultrasonic ranging peripheral | US15278984 | 2016-09-28 | US10107902B2 | 2018-10-23 | Keith Curtis; Anthony Stram; Kristine Angelica Sumague |
| A ranging function is implemented using a collection of core independent peripherals (CIPs) in a microcontroller without software overhead to the central processor during operation thereof. A pulse width modulation (PWM) peripheral generates a high frequency drive signal, a counter to set the duration of the PWM drive signal (pulse), and a second timer coupled to a comparator to measure the time it takes to receive back a reflection of the ranging signal from an object. The ranging peripheral starts ranging with ultrasonic pulses, and when corresponding reflected ultrasonic pulse are receives an interrupt signal is provided when the ranging measurement is complete. Time dependent sensitivity and/or gain adjustments are contemplated. The ultrasonic ranging peripheral uses on chip resources for most of its functions and therefore requires very few external components. It's set and forget nature may be based on CIP based timers, signal generators and configurable logic cells. | ||||||
| 82 | Long-range ultrasonic occupancy sensor with remote transmitter | US13664723 | 2012-10-31 | US10085324B2 | 2018-09-25 | David Christopher Shilling; Deeder Mohammed Aurongzeb |
| An occupancy sensor device for monitoring a space includes a transmitter portion and a receiver portion. The receiver portion is located remotely from the transmitter portion. To enable reliable detection of occupancy within the monitored space, an estimate of the signal transmitted by the active sensor in the transmitter portion is compared to the signal received by the transmitted portion. | ||||||
| 83 | FREQUENCY STEERED SONAR HARDWARE | US15280786 | 2016-09-29 | US20180217244A1 | 2018-08-02 | Aaron R. Coleman; Brian T. Maguire; Brandon M. Black; Jeffrey B. Wigh |
| A frequency steered sonar element comprises a transducer element and a grating element. The transducer element presents a longitudinal axis and is configured to receive a transmit electronic signal and generate an acoustic wave with a frequency component corresponding to a frequency component of the transmit electronic signal. The grating element presents a longitudinal axis and is oriented such that a longitudinal axis of the grating element and a longitudinal axis of the transducer element form an acute angle. The grating element includes a first surface and an opposing second surface. One or more of the surfaces includes one or more grooves distributed thereon, the one or more grooves including first and second facets. The grating element is configured to emit a sonar beam in an angular direction which varies according to the frequency component of the acoustic wave. | ||||||
| 84 | METHODS AND SYSTEMS FOR OPTIMIZING ACOUSTIC TRANSDUCER PERFORMANCE | US15879412 | 2018-01-24 | US20180213320A1 | 2018-07-26 | Kenneth D. Rolt; Richard A. Welch; William J. Letendre; Sean M. Frazier |
| A method of optimizing acoustic transducer performance, and corresponding system, can include mechanically coupling a transducer to a fluid barrier, calibrating the acoustic transducer by measuring response as a function of drive frequency to determine one or more optimum drive frequencies, optimized for the transducer actually coupled to the fluid barrier, and storing the one or more optimum drive frequencies for use in operating the acoustic transducer. Shims may also be used between the transducer and fluid barrier, such as a boat hull, to optimize transducer performance. Embodiments can enable improved in-hull transducer depth sounding, as well as improved fluid level measurements in tanks. | ||||||
| 85 | Calculation of detecting depth and moving speed of objects with coded pulses based on speed changes of ultrasound/sound | US14645475 | 2015-03-12 | US09880272B2 | 2018-01-30 | Hai Huang; Tony Huang |
| During transmission, a speed of ultrasound pulses gradually reduces due to their energy loss from acoustic impedance. A thickness and a density of piezoelectric (PZT) elements and a sound speed in the PZT elements decides energy of the ultrasound pulses and their detecting depth. A speed of moving objects and an angle of the moving objects with the ultrasound pulses may change a speed of reflected ultrasound pulses and affect their time of flight (TOF) and TOF shift. A method of Coding ultrasound pulses combines advantages of a continuous wave ultrasound and a pulsed wave ultrasound. So, it can be used to obtained the TOF and the TOF shift and calculate the depth and the moving speed of the detecting objects, which also avoids a problem of an aliasing for highly moving speed of the objects. | ||||||
| 86 | TWO DIMENSION AND THREE DIMENSION IMAGING WITH CODED PULSES BASED ON SPEED CHANGES OF SOUND/ULTRASOUND | US15613308 | 2017-06-05 | US20170285151A1 | 2017-10-05 | Hai Huang; Tony Huang |
| During transmission, a speed of sound pulses gradually reduces due to acoustic impedance. Regulating a length or a density or a sound speed of the sound pulses affects their average speed in the transmitting medium, sound intensity and detecting depth. Time of flight (TOF) and TOF shift can be used to calculate the depth and moving speed of detecting objects. Calculating a speed of moving objects by simultaneously detecting TOF shift at same site from two separated piezoelectric (PZT) elements improves the testing results with accuracy, simplification and reproducibility. Coding sound pulses to obtained the TOF and the TOF shift will simultaneously calculate the depth and the moving speed of sampling points, which can be used to construct 2D and 3D images for these motionless and/or moving sampling points. Coded sound pulses also improves the quality of the imaging. | ||||||
| 87 | Method and apparatus for detecting intrusion into large vehicle | US14958495 | 2015-12-03 | US09643572B1 | 2017-05-09 | Soon Cheul Hwang |
| A method for detecting a vehicle intrusion includes a first signal transmission process for alternately transmitting a first signal of a waveform through a first transmission module and a second transmission module at a predetermined period, a first intrusion determination process for analyzing a reflected wave received in response to the transmitted first signal to determine whether the intrusion occurred, a second signal transmission process for transmitting a second signal of a pulse waveform, upon detecting the intrusion as a result of the first intrusion determination process, a second intrusion determination process for analyzing a waveform of a reflected wave received in response to the transmitted second signal to determine whether the intrusion occurred, and transmitting a predetermined alarm message indicating that the intrusion occurred upon detecting the intrusion as a result of the second intrusion determination process. | ||||||
| 88 | METHOD AND APPARATUS FOR DETECTING INTRUSION INTO LARGE VEHICLE | US14958495 | 2015-12-03 | US20170120869A1 | 2017-05-04 | Soon Cheul HWANG |
| A method for detecting a vehicle intrusion includes a first signal transmission process for alternately transmitting a first signal of a waveform through a first transmission module and a second transmission module at a predetermined period, a first intrusion determination process for analyzing a reflected wave received in response to the transmitted first signal to determine whether the intrusion occurred, a second signal transmission process for transmitting a second signal of a pulse waveform, upon detecting the intrusion as a result of the first intrusion determination process, a second intrusion determination process for analyzing a waveform of a reflected wave received in response to the transmitted second signal to determine whether the intrusion occurred, and transmitting a predetermined alarm message indicating that the intrusion occurred upon detecting the intrusion as a result of the second intrusion determination process. | ||||||
| 89 | Core Independent Peripheral Based Ultrasonic Ranging Peripheral | US15278984 | 2016-09-28 | US20170090022A1 | 2017-03-30 | Keith Curtis; Anthony Stram; Kristine Angelica Sumague |
| A ranging function is implemented using a collection of core independent peripherals (CIPs) in a microcontroller without software overhead to the central processor during operation thereof. A pulse width modulation (PWM) peripheral generates a high frequency drive signal, a counter to set the duration of the PWM drive signal (pulse), and a second timer coupled to a comparator to measure the time it takes to receive back a reflection of the ranging signal from an object. The ranging peripheral starts ranging with ultrasonic pulses, and when corresponding reflected ultrasonic pulse are receives an interrupt signal is provided when the ranging measurement is complete. Time dependent sensitivity and/or gain adjustments are contemplated. The ultrasonic ranging peripheral uses on chip resources for most of its functions and therefore requires very few external components. It's set and forget nature may be based on CIP based timers, signal generators and configurable logic cells. | ||||||
| 90 | Receiving circuit, semiconductor device, and sensor device | US14342578 | 2012-08-31 | US09429646B2 | 2016-08-30 | Isao Niwa; Youichiro Noguchi |
| A receiving circuit (10) includes an amplifier (15) which amplifies receiving signals (SP, SN) of a piezoelectric sensor (2), and a plurality of transistors (11a, 11b) or (12a, 12b), which are connected in parallel to between one end of the piezoelectric sensor (2) and one end of the amplifier (15), and are turned on with phase shift when switching is performed to receiving operations. | ||||||
| 91 | ULTRASONIC TRANSMISSION AND RECEPTION DEVICE | US14895796 | 2014-05-22 | US20160103211A1 | 2016-04-14 | Karl-Heinz RICHTER; Dirk SCHMID; David BARTYLLA |
| An ultrasonic transmission and reception device is described. This includes a transmission circuit for generating a transmission signal at its transmission outputs and, an ultrasonic transducer, which is suited for converting electrical signals into sound signals and sound signals into electrical signals, a transformer, the primary side of which is connected to the transmission outputs and of the transmission circuit and the secondary side of which is connected to the ultrasonic transducer, and a reception circuit for processing a received signal present at its reception input. The ultrasonic transmission and reception device is characterized in that the reception input of the reception circuit is connected to the transformer via an additional winding tap of the transformer, the additional winding tap being incorporated into the transformer in such a way that the transformed transmission signal at the reception input of the reception circuit is boosted in its voltage amplitude with a lower gain factor than the transformed transmission signal which excites the ultrasonic transducer. | ||||||
| 92 | MICROELECTROMECHANICAL SYSTEMS (MEMS) AUDIO SENSOR-BASED PROXIMITY SENSOR | US14497164 | 2014-09-25 | US20160090293A1 | 2016-03-31 | Omid Oliaei |
| Microelectromechanical systems (MEMS) acoustic sensors associated with proximity detection are described. Provided implementations can comprise a MEMS acoustic sensor element associated with a transmitter and a receiver. The transmitter transmits acoustic signals for reflection off a surface. The receiver receives the reflected acoustic signals and determines a proximity of the surface. Functions of a device are controlled according to the determined proximity. | ||||||
| 93 | Ultrasound fusion harmonic imaging systems and methods | US13790322 | 2013-03-08 | US09274215B2 | 2016-03-01 | Danhua Zhao; Yong Zhang; Ruoli Mo |
| An ultrasound imaging system includes: a harmonic filter coupled to an ultrasound transmitter to reduce transmitted harmonic components; a fundamental filter coupled with an ultrasound receiver to reduce received fundamental components; and a fusion processor configured to generate multiple frames of fusion images for two subsequent frames of ultrasound transmissions to improve frame rate. The ultrasound receiver may optionally perform signal alignment and matching to improve image quality. To improve image quality, the ultrasound system may optionally use multiple amplitude-modulated transmit pulses with different delays, or multiple transmit pulses with different amplitudes to extract harmonic signals. | ||||||
| 94 | WEARABLE OBSTACLE-DETECTION DEVICE, AND CORRESPONDING METHOD AND COMPUTER PROGRAM PRODUCT | US14788029 | 2015-06-30 | US20160025854A1 | 2016-01-28 | Francesco D'Angelo; Stefano Corona |
| A device for detecting obstacles that is wearable by a subject, for example integrated in an item of footwear. The device includes an ultrasound source for emitting an ultrasound transmission signal and an ultrasound receiver for receiving a corresponding ultrasound signal reflected by an obstacle, a control module for measuring a time of flight between emission of the ultrasound transmission signal and reception of the corresponding ultrasound signal reflected by the obstacle and calculating, on the basis of the aforesaid time of flight, the distance at which the obstacle is located. The device comprises an inertial sensor, in particular an acceleration sensor, designed to measure acceleration of the foot along three axes, and a control module configured for enabling operation of the ultrasound source if the aforesaid acceleration values measured by the inertial sensor respect a given condition for enabling measurement of the time of flight. | ||||||
| 95 | CALCULATION OF DEPTH AND SPEED OF OBJECTS WITH CODED PULSES BASED ON SPEED CHANGES OF ULTRASOUND/SOUND | US14692777 | 2015-04-22 | US20150226843A1 | 2015-08-13 | Hai Huang; Tony Huang |
| During transmission, a speed of ultrasound pulses gradually reduces due to acoustic impedance. A length and a density and a sound speed of the ultrasound pulses decide their average speed in the transmitting medium, frequencies, sound intensity and detecting depth. Time of flight (TOF) and TOF shift can be used to calculate the depth and moving speed of detecting objects. Calculating a speed of moving objects by simultaneously detecting TOFs at one detecting site from two separated piezoelectric (PZT) elements improves the testing results with accuracy, simplification and reproducibility. Coding ultrasound pulses to obtained the TOF and the TOF shift can be used to simultaneously calculate the depth and the moving speed of the objects, which also avoids a problem of an aliasing for highly moving speed of the objects. Coding ultrasound pulses also improves the quality of the imaging. | ||||||
| 96 | CORRECTION OF DETECTING DEPTH AND CALCULATION OF SPEED OF MOVING OBJECTS BASED ON TIME OF FLIGHT OF ULTRASOUND PULSES | US14532125 | 2014-11-04 | US20150103629A1 | 2015-04-16 | Hai Huang |
| During transmission, speed of ultrasound pulses gradually reduces due to their energy loss from acoustic impedance. So, calculating a detecting depth with fixed speed of the ultrasound pulses will distort ultrasound images. Correction of the detecting depth will rectify a depth registration and improve the imaging quality. The thickness and density of piezoelectric elements (PZT) decide a quantity of the ultrasound pulses, which affect their detecting depth. The density and sound speed in PZT elements decide the frequency of the ultrasound pulses, which can be used to increase the detecting depth for a high frequency ultrasound. Moving objects can change speed of reflected ultrasound pulses, which change their TOF and TOF shift. Therefore the TOF shift can be used to calculate the velocity of the moving objects in a continuous and a pulsed wave and a color ultrasound, and correct aliasing of the pulsed wave and the color ultrasound. | ||||||
| 97 | ULTRASOUND FUSION HARMONIC IMAGING SYSTEMS AND METHODS | US13790322 | 2013-03-08 | US20140254307A1 | 2014-09-11 | Danhua Zhao; Yong Zhang; Ruoli Mo |
| An ultrasound imaging system includes: a harmonic filter coupled to an ultrasound transmitter to reduce transmitted harmonic components; a fundamental filter coupled with an ultrasound receiver to reduce received fundamental components; and a fusion processor configured to generate multiple frames of fusion images for two subsequent frames of ultrasound transmissions to improve frame rate. The ultrasound receiver may optionally perform signal alignment and matching to improve image quality. To improve image quality, the ultrasound system may optionally use multiple amplitude-modulated transmit pulses with different delays, or multiple transmit pulses with different amplitudes to extract harmonic signals. | ||||||
| 98 | RECEIVING CIRCUIT, SEMICONDUCTOR DEVICE, AND SENSOR DEVICE | US14342578 | 2012-08-31 | US20140225477A1 | 2014-08-14 | Isao Niwa; Youichiro Noguchi |
| A receiving circuit (10) includes an amplifier (15) which amplifies receiving signals (SP, SN) of a piezoelectric sensor (2), and a plurality of transistors (11a, 11b) or (12a, 12b), which are connected in parallel to between one end of the piezoelectric sensor (2) and one end of the amplifier (15), and are turned on with phase shift when switching is performed to receiving operations. | ||||||
| 99 | LONG-RANGE ULTRASONIC OCCUPANCY SENSOR WITH REMOTE TRANSMITTER | US13664723 | 2012-10-31 | US20140119160A1 | 2014-05-01 | David Christopher SHILLING; Deeder Mohammed AURONGZEB |
| An occupancy sensor device for monitoring a space includes a transmitter portion and a receiver portion. The receiver portion is located remotely from the transmitter portion. To enable reliable detection of occupancy within the monitored space, an estimate of the signal transmitted by the active sensor in the transmitter portion is compared to the signal received by the transmitted portion | ||||||
| 100 | Acoustic doppler dual current profiler system and method | US13038159 | 2011-03-01 | US08223588B2 | 2012-07-17 | Atle Lohrmann; R. Lee Gordon; Sven Nylund |
| An AD2CP includes at least one transducer assembly emitting sets of slanted directional acoustic beams and receiving the echoes; and electronics that processes the echoes into depth cells and computes velocity in each depth cell. The AD2CP is configured so that each beam set has a profiling catenation, at least two of which are different, and the AD2CP is configured so that the emitting, receiving and processing operate contemporaneously. | ||||||
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