| Entries |
| Document | Title | Date |
|---|
| 20080212407 | Surface Micromechanical Process For Manufacturing Micromachined Capacitive Ultra-Acoustic Transducers and Relevant Micromachined Capacitive Ultra-Acoustic Transducer - The invention concerns a manufacturing process, and the related micromachined capacitive ultra-acoustic transducer, that uses commercial silicon wafer | 09-04-2008 |
| 20080253231 | FUNCTIONAL ACTUATOR-SENSOR PATH OPTIMIZATION IN STRUCTURAL HEALTH MONITORING SYSTEM - A method for optimizing transducer performance in an array of transducers in a structural health monitoring system includes specifying a plurality of paths between pairs of the transducers on a monitored structure and evaluating the quality of signal transmissions along the paths so as to optimize the gain and frequency operating condition of the transducers. | 10-16-2008 |
| 20080259733 | ULTRASONIC TRANSDUCER AND MANUFACTURING METHOD THEREOF - A technology capable of improving receiver sensitivity and improving insulation withstand voltage in an ultrasonic transducer is provided. An ultrasonic transducer comprises: a lower electrode; an insulator covering the lower electrode; a cavity portion disposed on the insulator so as to overlap with the lower electrode; and an upper electrode disposed so as to overlap with the cavity portion. In this ultrasonic transducer, an insulator is inserted between the upper and lower electrodes in a part not having the cavity portion. By this means, sum total of thickness of insulators between the upper and lower electrodes in a part not having the cavity portion is larger than sum total of thickness of insulators between the upper and lower electrodes in a part having the cavity portion. | 10-23-2008 |
| 20080316865 | Ultrasonic Generator System - The system generates resonant ultrasonic vibrations, preferably in a torsional mode. A control circuit monitors, feedback signals therefrom, which are scanned to determine the frequency at which minima occur. The frequency of the ultrasonic signal is then adjusted to the frequency at which the minimum occurs. | 12-25-2008 |
| 20090059725 | Electroacoustic transducer having a slotted terminal structure for connection to a flexible wire, and an assembly of the same - The assembly includes a miniature electroacoustic transducer and a flexible electrical wire. The flexible electrical wire is terminated by a connecting element with an electrically conductive shoulder portion. The miniature electroacoustic transducer comprises an electrically conducting, externally accessible terminal having a slot structure formed therein. The slot structure is configured to mechanically and electrically engage the electrically conductive shoulder portion of the connecting element. | 03-05-2009 |
| 20090161490 | Converters, resonators and filters for acoustic surface - The present invention relates to a transducer for surface acoustic waves, in particular the present invention relates to a resonator and a filter for surface acoustic waves on basis of the transducer according to the present invention. | 06-25-2009 |
| 20090168605 | AUDIO GENERATING MODULE - An audio generating module is disclosed comprising a transmitting medium, a power unit and a transmitting unit. The power unit is used for providing power. The transmitting unit, situated in the transmitting medium, connects to the power unit for receiving power, and generating an audio in the transmitting medium according to a preset mechanism. | 07-02-2009 |
| 20090180352 | Method for operating an ultrasonic sensor, and corresponding ultrasonic sensor - Operation of an ultrasonic sensor in duplex mode, and a method for operating an ultrasonic sensor in duplex mode, a corresponding ultrasonic sensor, and a corresponding device for controlling the ultrasonic sensor. A transmission trigger for triggering an acoustic transmitted signal is transmitted from the device for controlling the ultrasonic sensor to the ultrasonic sensor via a first duplex channel at a multiple of a resonance frequency of an ultrasonic converter in the ultrasonic sensor. The transmission trigger is divided down to the resonance frequency of the converter, using a divider in the ultrasonic sensor. At least one acoustic received signal which corresponds to the acoustic transmitted signal and which is delayed with respect to the reflection at an object due to the acoustic propagation time is converted by the ultrasonic sensor, using the converter, to an electrical received signal, and this electrical received signal is transmitted from the ultrasonic sensor to the device for controlling the ultrasonic sensor via a second duplex channel at the resonance frequency of the ultrasonic converter in the ultrasonic sensor. | 07-16-2009 |
| 20090268556 | Thermoacoustic device - A sound wave generator that includes a carbon nanotube structure. The carbon nanotube structure produces sound by means of the thermoacoustic effect. | 10-29-2009 |
| 20090268557 | Method of causing the thermoacoustic effect - A method of producing sound waves. The method includes causing a carbon nanotube structure heat, and thus causing the thermoacoustic effect. | 10-29-2009 |
| 20090268558 | Thermoacoustic device - A sound wave generator includes one or more carbon nanotube wire structures. The one or more carbon nanotube wire structures produce sound by means of the thermoacoustic effect. | 10-29-2009 |
| 20090268559 | Thermoacoustic device - A sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes of one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes entangled with each other. The one or more carbon nanotube films produces sound by means of the thermoacoustic effect. | 10-29-2009 |
| 20090268560 | Thermoacoustic device - A sound wave generator includes a carbon nanotube film. The carbon nanotube film comprises a plurality of carbon nanotubes entangled with each other. At least part of the carbon nanotube film is supported by a supporting element. The carbon nanotube film produces sound by means of the thermoacoustic effect. | 10-29-2009 |
| 20090268561 | Thermoacoustic device - An apparatus includes a signal device, a power amplifier, and a sound wave generator. The power amplifier is electrically connected to the signal device. The power amplifier outputs an amplified electrical signal to the sound wave generator. The sound wave generator produces sound waves by a thermoacoustic effect. The amplified electrical signal is positive or negative. | 10-29-2009 |
| 20090268562 | Thermoacoustic device - A sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more drawn carbon nanotube films. The one or more drawn carbon nanotube films produce sound by means of the thermoacoustic effect. | 10-29-2009 |
| 20090268563 | Acoustic System - An acoustic system includes a sound-electro converting device, a electro-wave converting device, and a sound wave generator. The electro-wave converting device is connected to the sound-electro converting device. The sound wave generator is spaced from the electro-wave converting device and includes a carbon nanotube structure. The sound-electro converting device converts a sound pressure to an electrical signal and transmits the electrical signal to the electro-wave converting device. The electro-wave converting device emits an electromagnetic signal corresponding to the electrical signal and transmits the electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat, and the heat transfers to a medium causing a thermoacoustic effect. | 10-29-2009 |
| 20090274008 | Thermoacoustic device - A sound wave generator includes one or more carbon nanotube film. The carbon nanotube film includes a plurality of carbon nanotubes joined end to end by van der Waals attractive force therebetween. At least part of the one or more carbon nanotube film is supported by a supporting element. The one or more carbon nanotube film produces sound by means of the thermoacoustic effect. | 11-05-2009 |
| 20090274009 | Thermoacoustic device - A sound wave generator includes a carbon nanotube structure. At least part of the carbon nanotube structure is supported by a supporting element. The sound wave generator produces sound by means of the thermoacoustic effect. | 11-05-2009 |
| 20090279390 | Thermoacoustic device - An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes entangled with each other. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect. | 11-12-2009 |
| 20090296528 | Thermoacoustic device - An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect. | 12-03-2009 |
| 20090323475 | Thermoacoustic device - A sound wave generator includes one or more carbon nanotube films. The carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force. The one or more carbon nanotube films produce sound by means of the thermoacoustic effect. | 12-31-2009 |
| 20090323476 | Thermoacoustic device - A sound wave generator includes one or more carbon nanotube films. The carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force therebetween. At least part of the sound wave generator is supported by a supporting element. The one or more carbon nanotube films produce sound by means of the thermoacoustic effect. | 12-31-2009 |
| 20100110839 | Thermoacoustic device - A thermoacoustic device includes a sound wave generator and an infra-red reflecting element having an infrared reflection coefficient higher than 30 percent. The infra-red reflecting element can be disposed at one side of the sound wave generator to reflect the emitted heat of the sound wave generator. | 05-06-2010 |
| 20100172213 | Thermoacoustic device - A thermoacoustic device includes a thermoacoustic module and a frame. The thermoacoustic module includes a sound wave generator, at least one first electrode and at least one second electrode. The sound wave generator includes at least one carbon nanotube structure. The at least one first electrode and the at least one second electrode are electrically connected to the sound wave generator. The frame secures the thermoacoustic module. | 07-08-2010 |
| 20100172214 | Thermoacoustic device - A thermoacoustic device includes first electrodes, a first conductive element, second electrodes, a second conductive element, first insulators, second insulators and a thermoacoustic film. The first conductive element is electrically connected with the first electrodes. The second conductive element is electrically connected with the second electrodes. The first insulators connect the first electrodes to the second conductive element while insulating them from each other, and the second insulators connect the second electrodes with the first conductive element while insulating them from each other. The thermoacoustic film is electrically connected with the first electrodes and the second electrodes. | 07-08-2010 |
| 20100172215 | Thermoacoustic device - A thermoacoustic device includes a first electrode, a second electrode and a sound wave generator. The first electrode includes a first electrical conductor and a first conductive adhesive layer located on the first electrical conductor. The second electrode includes a second electrical conductor and a second conductive adhesive layer located on the second electrical conductor. The sound wave generator includes a carbon nanotube structure, and the sound wave generator is electrically connected to the first electrical conductor and the second electrical conductor via the first and second conductive adhesive layers. The adhesive layers permeate into the carbon nanotube structure. | 07-08-2010 |
| 20100172216 | Thermoacoustic device - A thermoacoustic device includes a thermoacoustic module, a first protection component, a second protection component, and an infrared-reflective film. The thermoacoustic module includes a sound wave generator, at least one first electrode and at least one second electrode. The at least one first electrode and the at least one second electrode are electrically connected to the sound wave generator. The sound wave generator includes a carbon nanotube structure, and the first and second protection components are located on opposite sides of the sound wave generator. The infrared-reflective film is located on the first protection component. | 07-08-2010 |
| 20100182877 | ULTRASOUND-MEDIATED HIGH-SPEED BIOLOGICAL REACTION AND TISSUE PROCESSING - Methods of fixing and processing tissue and samples on a membrane by using ultrasound radiation as a part of the method are presented. Ultrasound of a frequency in the range of 0.1-50 MHz is used and the sample or tissue receives 0.1-200 W/cm | 07-22-2010 |
| 20100188932 | Low Power Sensor System - A sensor for a vehicle that conserves power by alternately switching between a power on and a reduced power state. The circuit compares a most recent sensor measurement with an earlier measurement while in the power-on state and then switches to a reduced power state. A time delay generation function determines when the circuit switches out of the reduced power state depending on the result of the comparison. The duration of the reduced power state can be increased depending on the similarity of the most recent measurement to an earlier measurement. | 07-29-2010 |
| 20100188933 | Thermoacoustic device - A thermoacoustic device includes at least one first electrode, at least one second electrode, a sound wave generator and two protection components. The sound wave generator is electrically connected to the at least one first electrode and the at least one second electrode. The sound wave generator includes a carbon nanotube structure. The two protection components are located on opposite sides of the sound wave generator. | 07-29-2010 |
| 20100188934 | Speaker - A speaker includes a thermoacoustic module, an amplifier circuit board, and a frame. The thermoacoustic module includes a sound wave generator, at least one first electrode and at least one second electrode. The at least one first electrode and the at least one second electrode are electrically connected to the sound wave generator. The sound wave generator includes a carbon nanotube structure. The amplifier circuit board is electrically connected to the carbon nanotube structure by the at least one first electrode and at least one second electrode. The frame secures the thermoacoustic module and the amplifier circuit board. | 07-29-2010 |
| 20100188935 | Thermoacoustic device - A thermoacoustic device includes a sound wave generator, a number of first electrodes and a number of second electrodes. The sound wave generator includes a carbon nanotube structure. The second electrodes and the first electrodes are separately connected to the sound wave generator. The second electrodes and the first electrodes are parallel to each other and are alternately arranged at uniform intervals. A working voltage applied to the first and second electrodes is less than or equal to about 50 volts. The sound wave generator and the first and second electrodes satisfy a formula of | 07-29-2010 |
| 20110063951 | Active sonar system - An active sonar system includes at least one transmitter to transmit an acoustic signal, at least one receiver to receive a reflected acoustic signal, and an electronic cabinet to control the at least one transmitter to transmit the acoustic signal and the receiver to receive the reflected acoustic signal. At least one transmitter includes at least one carbon nanotube transmitting transducer. At least one carbon nanotube transmitting transducer includes at least one first electrode, at least one second electrode, and an acoustic element. The acoustic element includes a carbon nanotube structure that is electrically connected to at least one first electrode and at least one second electrode. | 03-17-2011 |
| 20110075519 | Thermoacoustic device - A thermoacoustic device includes a sound wave generator, a plurality of first electrodes, a plurality of second electrodes, a first network and a second network. The sound wave generator includes a first surface and a second surface. The plurality of first electrodes are disposed on the first surface. The plurality of second electrodes are disposed on the second surface. The first electrodes and the second electrodes are alternately arranged. Each of the first network and the second network includes a plurality of conducting wires. The plurality of first electrodes are connected together by the plurality of conducting wires in the first network. The plurality of second electrodes are connected together by the plurality of conducting wires in the second network. | 03-31-2011 |
| 20110096634 | Acoustic Generator for Distance Sounding with a Mechanism for Automatically Setting the Armed Pressure in the Pressure Chamber - In the oil industry, the acoustic sounding method is a well-known technique for taking the depth measurements of particular attributes of an oil well or borehole. The method involves sending a short, sharp, clear, loud bang sound down a borehole, normally between the inside wall of the borehole casing, commonly referred to as the annulus and the outside of the production tubing string, and recording the echoes generated. One device for generating the sound needed in the acoustic sounding method is an air or gas pressurized chamber which is discharged at or near the wellhead of the borehole. The sound being generated by this device, commonly known as an acoustic generator, comes from the energy released by the equilibration of the different gas pressures. The current invention is an acoustic generator and its control unit that uses several new and novel features to improve the quality of the sound generated and echoes detected in the acoustic sounding method including a unique and novel mechanism for automatically setting the pressure chamber for firing. | 04-28-2011 |
| 20110110196 | Thermoacoustic device - A thermoacoustic units includes at least one first electrode, at least one second electrode, a sound wave generator electrically connected with the at least one first electrode and the at least one second electrode, a housing, and at least one socket connector. The housing receives the at least one first electrode, the at least one second electrode, and the sound wave generator therein. The at least one socket connector is located on the housing. | 05-12-2011 |
| 20110176392 | SIGNAL TRANSMITTER DEVICE COMPRISING AN ELECTRICAL ACOUSTIC SIGNAL TRANSMITTER - A signal transmitter device comprises an electrical acoustic signal transmitter signal, which has a piezoceramic disk on a metal membrane, on a printed circuit board. The printed circuit board has an opening in the region of the piezoceramic disk or the metal membrane, wherein the metal membrane extends over the opening for the purpose of bearing on the printed circuit board in an edge region of the opening. The piezoceramic disk arranged on the metal membrane is arranged towards the opening and substantially in the region of the opening, wherein a contact projection as part of the printed circuit board for electrical contact-connection to the signal transmitter is provided at the edge region of the opening. Separate parts can thus be obviated. | 07-21-2011 |
| 20110194380 | MEASURING APPARATUS - A measuring apparatus includes an acoustic wave detecting unit that detects acoustic waves generated from a subject irradiated with light; and a member that is disposed between the acoustic wave detecting unit and the subject and has an acoustic speed value smaller than an average acoustic speed value inside the subject. And a thickness of the member is greater than a value obtained by dividing the acoustic speed value inside the subject by the minimum frequency detectable by the acoustic wave detecting unit. | 08-11-2011 |
| 20120014221 | MONOLITHIC FLEXURE PRE-STRESSED ULTRASONIC HORNS - A monolithic ultrasonic horn where the horn, backing, and pre-stress structures are combined in a single monolithic piece is disclosed. Pre-stress is applied by external flexure structures. The provision of the external flexures has numerous advantages including the elimination of the need for a pre-stress bolt. The removal of the pre-stress bolt eliminates potential internal electric discharge points in the actuator. In addition, it reduces the chances of mechanical failure in the actuator stacks that result from the free surface in the hole of conventional ring stacks. In addition, the removal of the stress bolt and the corresponding reduction in the overall number of parts reduces the overall complexity of the resulting ultrasonic horn actuator and simplifies the ease of the design, fabrication and integration of the actuator of the present invention into other structures. | 01-19-2012 |
| 20120176866 | ULTRASONIC SENSOR - An ultrasonic sensor includes a transceiver device for transmitting and receiving ultrasonic waves; a circuit board mounted with an electronic circuit processing ultrasonic signals transmitted and received through the transceiver device; a housing including a device storing portion storing the transceiver device, a board storing portion storing the circuit board and a communication hole for bringing the device storing portion and the board storing portion into communication with each other, the board storing portion having an opening; and an electric connection unit extending through the communication hole to electrically interconnect the transceiver device and the circuit board. A cover member is installed in the opening of the board storing portion to hermetically seal the board storing portion. | 07-12-2012 |
| 20120250464 | THERMOACOUSTIC DEVICE - A thermoacoustic device includes a sound wave generator and a signal input device. The sound wave generator includes a carbon film. The carbon film includes at least one carbon nanotube layer and at least one graphene layer stacked on each other. The signal input device inputs signals to the sound wave generator. | 10-04-2012 |
| 20120250465 | COUPLING ELEMENT FOR ACOUSTICALLY COUPLING A SOUND TRANSDUCER TO A BODY, AND SOUND TRANSDUCER COMPRISING SAID COUPLING ELEMENT - The invention relates to a coupling element for acoustically coupling a sound transducer to a body for transmitting high-frequency structure-borne noise from the sound transducer to the body and/or from the body to the sound transducer, wherein the coupling element includes a deformable contact region for positively contacting the body. | 10-04-2012 |
| 20120294121 | Transducer for Phased Array Acoustic Systems - A transducer includes a base, a horn, and a central element. The horn includes a first end coupled to the base and a second end extending from the base and having a perimeter that defines a substantially planar face of the transducer, the horn defining a horn length along a horn surface between the first end and the second end of the horn. The central element includes a first end coupled to the base and a second end extending from the base along a longitudinal axis of the horn, the central element defining a central element length along a central element surface between the first end and the second end of the central element, the central element length being substantially equal to the horn length. | 11-22-2012 |
| 20120300590 | Clamp Type Ultrasonic Processor and Application thereof - A clamp type ultrasonic processor comprises a transducer assembly and a functional gripper. The transducer assembly comprises a transducer ( | 11-29-2012 |
| 20130016587 | ULTRASONIC TRANSDUCER UNIT AND ULTRASONIC PROBEAANM Lee; Seung-MokAACI OsakaAACO JPAAGP Lee; Seung-Mok Osaka JP - In an ultrasonic transducer unit comprising a plurality of ultrasonic transducers, each of the ultrasonic transducers is provided with a recess formed in one face of an insulating substrate, and a substrate-side electrode is buried in a bottom of the recess, and a vibrating membrane is formed so as to cover the recess. | 01-17-2013 |
| 20130033967 | TRANSDUCER MODULE - The present invention is directed to a transducer module including a first transducer and a second transducer. The second transducer is disposed between the first transducer and a first plate. | 02-07-2013 |
| 20130033968 | Sparker Array Source - A sparker array includes a plurality of sparker sources of sound and light emissions, the plurality of sparker sources arranged in a geometric pattern with respect to a region, the array configured to deliver a maximal acoustic output to the region. Sparker sources may include reflectors. A single electrical source to drive a sparker array may be employed. A sparker system may include two or more sparker arrays. A time delay may be employed to trigger electrical circuits of the sparker arrays. Sparker arrays may be used to deliver shock waves with increased operational life, consistency and efficacy for specific applications. | 02-07-2013 |
| 20130051179 | ELECTRO-ACOUSTIC TRANSDUCER AND METHOD OF MANUFACTURING THE SAME - Electro-acoustic transducers and methods of manufacturing the electro-acoustic transducer are provided. An electro-acoustic transducer includes: a first wafer including a first substrate in which a plurality of electro-acoustic transducer cells are formed; and a second wafer disposed in a lower portion of the first wafer, and including a second substrate in which a plurality of through wafer vias are formed. A method of manufacturing an electro-acoustic transducer includes: forming a plurality of electro-acoustic transducer cells in a first substrate of a first wafer; forming a plurality of through wafer vias in a second substrate of a second wafer; and bonding the first and second wafers to each other. | 02-28-2013 |
| 20130128702 | COMPACT, ENERGY-EFFICIENT ULTRASOUND IMAGING PROBES USING CMUT ARRAYS WITH INTEGRATED ELECTRONICS - A CMUT on CMOS imaging chip is disclosed. The imaging chip can use direct connection, CMOS architecture to minimize external connections and minimize chip cross-section. The CMOS architecture can enable substantially the entire chip area to be utilized for element placement. The chip can utilize arbitrarily selected transmit (Tx) and receive (Rx) element arrays to improve image quality, while reducing sampling time. The chip can comprise a plurality of dummy elements dispersed throughout the Tx and Rx elements to reduce cross-talk. The chip can utilize batch firing techniques to increase transmit power using sparse Tx arrays. The chip can comprise hexagonal Tx and or Rx subarrays for improved image quality with reduce sample sizes. The chip can utilize electrode geometry, bias voltage, and polarity to create phased and amplitude apodized arrays of Tx and Rx elements. | 05-23-2013 |
| 20130170321 | SYSTEMS AND METHODS FOR CONTROLLING TRANSDUCER PULSE TRANSITIONS IN ULTRASOUND IMAGING - Methods and systems for transitioning a transducer voltage between a first voltage level and a second voltage level are provided. A method includes pulling a transducer voltage to the first voltage level, pulling the transducer voltage from the first voltage level to an intermediate voltage level, and pulling the transducer voltage from the intermediate voltage level to the second voltage level. The intermediate voltage level includes an intermediate voltage level between the first voltage level and the second voltage level. | 07-04-2013 |
| 20130188458 | MUT Circuit with an Electrically Controllable Membrane - A micromachined ultrasonic transducer (MUT) circuit, which has a MUT with a MUT membrane that can vibrate back and forth to transmit an ultrasonic wave, electrically controls the movement of the MUT membrane by controllably transferring energy to the MUT membrane, thereby allowing the MUT membrane to transmit substantially any desired ultrasonic wave. | 07-25-2013 |
| 20130223193 | HEAD UNIT, ULTRASONIC PROBE, ELECTRONIC INSTRUMENT, AND DIAGNOSTIC DEVICE - A head unit for an ultrasonic probe includes a connecting section, an element chip and a supporting member. The connecting section is configured to electrically connect the head unit to a probe main body of the ultrasonic probe. The element chip is configured to be electrically connected to the probe main body through the connecting section. The element chip includes a substrate and an ultrasonic element array. The substrate defines a plurality of openings arranged in an array pattern. The ultrasonic element array includes a plurality of ultrasonic transducer elements, with each of the ultrasonic transducer elements being provided in each of the openings of the substrate. The supporting member supports the element chip. | 08-29-2013 |
| 20130229893 | ULTRASOUND PROBE - An ultrasound probe is provided that may improves specific desensitization of the frequency observed in the frequency characteristics and/or directional characteristics. The ultrasound probe related to this embodiment comprises an ultrasound transducer | 09-05-2013 |
| 20130265856 | THERMOACOUSTIC SENSOR - A close-proximity thermoacoustic sensor that can determine radiated ultrasound intensities by directly coupling a transducer via a coupling medium. The sensor captures the beam, converts the ultrasound power into heat, and indirectly measures the spatial average time average ultrasound intensity (I | 10-10-2013 |
| 20130286786 | ULTRASOUND TRANSDUCER ARRAY, METHOD OF MANUFACTURING ULTRASOUND TRANSDUCER ARRAY AND ULTRASOUND ENDOSCOPE - An ultrasound transducer array according to an embodiment includes a substrate, a plurality of groove-like recesses arranged at a predetermined interval on one surface of the substrate, a cell region arranged between the recesses on the one surface side of the substrate, a flexible film configured to cover the substrate and the cell region and having fragility lower than fragility of the substrate, and a dividing groove having a width smaller than a width of the recess and reaching from the other surface of the substrate to the flexible film in the recess. | 10-31-2013 |
| 20130315035 | ULTRASOUND TRANSDUCER AND METHOD FOR MANUFACTURING AN ULTRASOUND TRANSDUCER - An ultrasound transducer includes an array of acoustic elements, an integrated circuit, and an interposer. The interposer includes conductive elements for electrically connecting the acoustic elements to the integrated circuit. The conductive elements are electrically connected to the integrated circuit. Solder is engaged between the acoustic elements and the conductive elements of the interposer such that the conductive elements of the interposer are electrically connected to the acoustic elements through the solder. | 11-28-2013 |
| 20140003196 | ACOUSTIC WAVE DEVICE BUILT-IN MODULE AND COMMUNICATION DEVICE | 01-02-2014 |
| 20140036633 | ULTRASONIC PROBE - An array of ultrasonic transducers is formed on a piezoelectric polymer foil. Ultrasonic transducer electrodes are formed on a first side of the foil and a ground layer is formed on a second side of the foil. | 02-06-2014 |
| 20140036634 | THREE-DIMENSIONAL MECHANICAL ULTRASONIC PROBE - A three-dimensional mechanical ultrasound probe includes a base; a transducer for emitting an ultrasonic signal; a driven wheel with a hole, the driven wheel being connected to the transducer, the transducer being swung by the driven wheel; a motor fixed on the base; and a transmission system connected to the motor and a first rope, the transmission system being driven by the motor, the first rope being driven by the transmission system, wherein the first rope is connected to the transmission system and a rope adjusting dowel; and wherein the adjusting dowel is pivotably inserted into the hole of the driven wheel. | 02-06-2014 |
| 20140133277 | COMPOSITE ASSEMBLY FOR A MOTOR VEHICLE - A composite assembly for a motor vehicle having at least one electroacoustic transducer for outputting sound waves and at least one wall element of the motor vehicle, behind which the transducer is mounted in a concealed manner, wherein an intermediate element for influencing the sound emission behavior is arranged between the transducer and the wall element, the intermediate element having a contact surface facing the wall element for passing on the sound waves. At least one recess is formed within the contact surface, in which recess no contact is made between the intermediate element and the wall element. In this way, it is possible to influence the emission characteristics of the electroacoustic transducer in a very flexible and need-oriented manner. | 05-15-2014 |
| 20140241129 | ELECTROMECHANICAL TRANSDUCER AND METHOD OF PRODUCING THE SAME - An electromechanical transducer includes a substrate, a first electrode disposed on the substrate, and a vibration film including a membrane disposed on the first electrode with a space therebetween and a second electrode disposed on the membrane so as to oppose the first electrode. The first electrode has a surface roughness value of 6 nm RMS or less. | 08-28-2014 |
| 20140269209 | ALIGNMENT OF ULTRASOUND TRANSDUCER ARRAYS AND MULTIPLE APERTURE PROBE ASSEMBLY - The effective aperture of an ultrasound imaging probe can be increased by including more than one transducer array and using the transducer elements of all of the arrays to render an image can greatly improve the lateral resolution of the generated image. In order to render an image, the relative positions of all of the elements must be known precisely. Systems and methods for accurately calibrating and adjusting a multi-aperture ultrasound system are disclosed. The relative positions of the transducer elements can be computed and aligned prior to and during probe assembly. | 09-18-2014 |
| 20140269210 | TRANSDUCER FOR ACOUSTIC COMMUNICATIONS - There is disclosed herein a transducer for acoustic communications through a series arrangement of fluid and solid media, the transducer comprising: a signal processor configured to implement a communications scheme at and around a centre frequency of at least 1 MHz; a piezoelectric element for activation in accord with the communications scheme; an electrode electrically connected to the signal processor, and being attached to the piezoelectric element; and a substrate, having the piezoelectric element mounted thereon, wherein an aspect of the electrode at the piezoelectric element is approximately equal to the acoustic wavelength of an acoustic wave in the substrate at the centre frequency. There is further disclosed a remote monitoring device employing at least one of the transducers described, in concert with a further transducer. Still further, there is disclosed a method of communicating using the transducer described herein. | 09-18-2014 |
| 20140313860 | TRANSDUCER ASSEMBLY FOR AN ECHOSCOPE - A transducer assembly is disclosed. The transducer assembly includes a first transducer element comprising a first row of ultrasonic transducers and a second transducer element comprising a second row of ultrasonic transducers. The first row of ultrasonic transducers can be arranged at a nonzero angle with respect to the second row of ultrasonic transducers. The first transducer element and the second transducer element can be detachably connected. A connector can be in electrical communication with the first transducer element and the second transducer element, where the connector is configured to be connected to an endoscope. | 10-23-2014 |
| 20140347959 | ULTRASONIC TRANSDUCER DEVICE AND METHOD OF ATTACHING THE SAME - The ultrasonic transducer device in accordance with the present invention includes a body unit and a fixing member. The body unit includes a housing including a space which is in a front surface of the housing and is for receiving an ultrasonic transducer, and a clip part provided to a side surface of the housing. The fixing member includes a fixing plate including a fixing surface to be attached to a rear surface of an exterior panel of a vehicle, and a through hole to communicate to an opening in the exterior panel, and an interlocked part removably connected to the clip part so that the space faces the through hole. The clip part includes an interlocking part, and a spring part keeping the interlocking part in a position in which the interlocking part is physically connected to the interlocked part. | 11-27-2014 |
| 20140355388 | TRANSDUCER ARRANGEMENT - There is disclosed a transducer apparatus for acoustic communications through a substrate at a predetermined centre frequency, the apparatus comprising: —an active piezoelectric element for generating an acoustic signal; an intermediate layer, having a surface for accommodating the piezoelectric element, and having a first array of protrusions on a surface opposite the surface for accommodating the piezoelectric element; and a second array of protrusions at the substrate, wherein the active piezoelectric element is mounted onto the intermediate layer, and the intermediate layer is secured in position relative to the substrate such that the first array of protrusions faces the second array of protrusions such that the acoustic signal may propagate through the first and second arrays. There are further disclosed a method of mounting such an apparatus and a plate suitable for use in the transducer apparatus. | 12-04-2014 |
| 20140369170 | NEAR FIELD COMMUNICATION APPARATUS - An apparatus comprising: a transducer suitable for generating an acoustic sound pressure wave being configured to: magnetically couple the apparatus to a further apparatus transducer for transferring data. | 12-18-2014 |
| 20150109888 | TRANSMIT/RECEIVE CHANNEL FOR ULTRASOUND APPLICATIONS - A device voltage shifter includes a first voltage reference node, a second voltage reference node, an output node and a clamp node. A first high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node and a second conduction terminal coupled to the clamp node. A second high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the clamp node and a second conduction terminal coupled to the second voltage reference node. A third high-voltage switching transistor of the voltage shifter has a first conduction terminal coupled to the first voltage reference node, a control terminal coupled to the clamp node, and a second conduction terminal coupled to the output node. A voltage regulator of the voltage shifter is coupled between the output node and the clamp node. | 04-23-2015 |
| 20150294663 | CAPACITIVE MICRO-MACHINED TRANSDUCER AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a method of manufacturing a capacitive micro-machined transducer ( | 10-15-2015 |
| 20150325228 | ULTRASONIC TRANSDUCER USING FERROELECTRIC POLYMER - An ultrasound transducer includes a highly crystalline film, an upper electrode, a lower electrode, a first low melting point polymer film disposed between the highly crystalline film and the upper electrode, and a second low melting point polymer film disposed between the highly crystalline film and the lower electrode. | 11-12-2015 |
| 20150367586 | FORMING TOOLS AND FLEXIBLE ULTRASONIC TRANSDUCER ARRAYS - An apparatus comprises a forming tool having a forming surface, and an ultrasonic transducer array on the forming surface. | 12-24-2015 |
| 20160018514 | SONAR TRANSDUCER ARRAY ASSEMBLY AND METHODS OF MANUFACTURE THEREOF - A sonar transducer array assembly comprises a first flexible circuit, a second flexible circuit, and a plurality of transducer elements. The first and second flexible circuits each include a first side, a second side, and a plurality of adhesive areas spaced apart and positioned in a line along one edge of the first side. The transducer elements each include a first surface attached to one of the adhesive areas of the first flexible circuit, an opposing second surface attached to one of the adhesive areas of the second flexible circuit, and a third surface positioned between the first and second surfaces. The transducer elements form a linear array with the third surface of each transducer element in alignment and configured to transmit and receive an acoustic pressure wave. | 01-21-2016 |
| 20160041259 | Ultrasonic Sensor Microarray and its Method of Manufacture - A sensor assembly including one or more capacitive micromachined ultrasonic transducer (CMUT) microarray modules which are provided with a number of individual transducers. The microarray modules are arranged to simulate or orient individual transducers in a hyperbolic paraboloid geometry. The transducers/sensor are arranged in a rectangular or square matrix and are activatable individually, selectively or collectively to emit and received reflected beam signals at a frequency of between about 100 to 170 kHz. | 02-11-2016 |
| 20160080093 | Ultrasonic Transducer System and Method Using Selective Interleaved Excitation Pulse Frequency - A transducer system with a transducer and circuitry for applying a pulse train to excite the transducer. The circuitry for applying a pulse train selects a first set having a first number of pulses at a first frequency and a second set of pulses having a second number of pulses at a second frequency differing from the first frequency. At least one pulse from the first set is located in the pulse train between one or more of the pulses at the second frequency. | 03-17-2016 |
| 20160107194 | THREE-PORT PIEZOELECTRIC ULTRASONIC TRANSDUCER - A piezoelectric micromechanical ultrasonic transducer (PMUT) includes a diaphragm disposed over a cavity, the diaphragm including a piezoelectric layer stack including a piezoelectric layer, a first electrode electrically coupled with transceiver circuitry, and a second electrode electrically coupled with the transceiver circuitry. The first electrode may be disposed in a first portion of the diaphragm, and the second electrode may be disposed in a second, separate, portion of the diaphragm. Each of the first and the second electrode is disposed on or proximate to a first surface of the piezoelectric layer, the first surface being opposite from the cavity. The PMUT is configured to transmit first ultrasonic signals by way of the first electrode during a first time period and to receive second ultrasonic signals by way of the second electrode during a second time period, the first time period and the second time period being at least partially overlapping. | 04-21-2016 |
| 20160118572 | METHODS FOR MANUFACTURING ULTRASOUND TRANSDUCERS AND OTHER COMPONENTS - The disclosed technology features methods for the manufacture of electrical components such as ultrasound transducers. In particular, the disclosed technology provides methods of patterning electrodes, e.g. in the connection of an ultrasound transducer to an electrical circuit; methods of depositing metal on surfaces; and methods of making integrated matching layers for an ultrasound transducer. The disclosed technology also features ultrasound transducers produced by the methods described herein. | 04-28-2016 |
| 20160131747 | ACTIVE BEAM-FORMING TECHNIQUE FOR PIEZOELECTRIC ULTRASONIC TRANSDUCER ARRAY - An apparatus includes an array of pixels, each pixel including in-cell pixel logic and a piezoelectric micromechanical ultrasonic transducer (PMUT) element, each in-cell pixel logic being communicatively coupled with at least one adjacent pixel in the array. Transceiver electronics may operate the array in a selectable one of a first mode and a second mode. In the first mode, the array may generate a substantially plane ultrasonic wave. In the second mode, the array may generate, from at least one superpixel region, a focused beam of relatively high acoustic pressure, each superpixel region including at least one inner pixel disposed in a central portion of the superpixel region and at least a first group of outer pixels disposed in an outer portion of the superpixel region. The transceiver electronics may be configured to operate the array by configuring at least one in-cell pixel logic. | 05-12-2016 |
| 20160136688 | ULTRASONIC TRANSDUCER SYSTEM AND MOTOR VEHICLE INCLUDING AN ULTRASONIC SYSTEM - An ultrasonic transducer system includes at least one transducer element, a diaphragm, and at least one resonance body, the ultrasonic transducer system being configured for transmitting and/or receiving ultrasonic signals, the resonance body being coupled at an end face to the diaphragm and the at least one transducer element being coupled to a lateral surface of the resonance body so that the at least one transducer element and the resonance body have a shared interface. Also described is a method for the manufacture and to a motor vehicle having an ultrasonic transducer system of this type, the diaphragm of the ultrasonic transducer system being formed by an outer skin of a bumper, a side mirror, or a door section, and the transducer element(s) and resonance bodies being situated concealed behind the outer skin. | 05-19-2016 |
| 20160173981 | TRANSDUCER CONTROLLER AND METHOD THEREFOR | 06-16-2016 |
| 20170232473 | ULTRASONIC ELECTROSTATIC DEVICE | 08-17-2017 |
