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| Application No. | Application Title | Issue Date |
| 20120020183 | SURFACE ACOUSTIC WAVE RESONATOR FOR DOWN-HOLE APPLICATIONS A method and apparatus for packaging a Surface Acoustic Wave (SAW) piezoelectric device into a SAW tagging device for use in a harsh environment is provided. An exemplary SAW tagging device comprises a SAW piezoelectric device within a header container. The header conta... | 01/26/2012 |
| 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 eli... | 01/19/2012 |
| 20120010538 | PRE-COLLAPSED CMUT WITH MECHANICAL COLLAPSE RETENTION A CMUT transducer cell suitable for use in an ultrasonic CMUT transducer array has a membrane with a first electrode, a substrate with a second electrode, and a cavity between the membrane and the substrate. The CMUT is operated in a precollapsed state by biasing the me... | 01/12/2012 |
| 20110285510 | Implementation of On-Off Passive Wireless Surface Acoustic Wave Sensor Using Coding and Switching Techniques Methods and systems for passive wireless surface acoustic wave devices for orthogonal frequency coded devices to implement ON-OFF sensors reusing orthogonal frequency code and distinguishing between ON and OFF states using additional PN sequence and on/off switches prod... | 11/24/2011 |
| 20110255375 | ACOUSTIC WAVE TRANSDUCER AND SONAR ANTENNA WITH IMPROVED DIRECTIVITY The invention relates to an acoustic wave transducer that includes at least one electroacoustic motor (1, 21), a horn (4, 24) having an inner wall and an outer wall, a counterweight (5), and a hollow housing (8, 28) having an inner wall and a... | 10/20/2011 |
| 20110222369 | Acoustic Transducer with a Liquid-Filled Porous Medium Backing and Methods of Making and Using Same In one aspect, the disclosure provides an apparatus that includes an acoustic transducer, and a backing coupled to the transducer, wherein the backing includes solid grains with fluid between the grains.... | 09/15/2011 |
| 20110205838 | CIRCUIT CONFIGURATION FOR EVALUATING AND/OR ACTIVATING SOUND TRANSDUCERS A circuit configuration for evaluating and/or for activating sound transducers for application in vehicles, particularly as a part of a parking assistance, the circuit configuration including a transformer having a primary winding and a secondary winding, and the windin... | 08/25/2011 |
| 20110205841 | Acoustic Transducer with a Backing Containing Unidirectional Fibers and Methods of Making and Using Same The disclosure, in one aspect, provides an apparatus that includes an acoustic transducer and a backing in contact with a side of the transducer. The backing includes substantially unidirectional fibers in a matrix of a material that has high shear wave acoustic attenua... | 08/25/2011 |
| 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... | 08/11/2011 |
| 20110191001 | Device For Monitoring The Correct Functioning Of A Crop Pick-Up Mechanism A device is provided for monitoring the correct functioning of a crop pick-up mechanism. The device features a sensor that monitors the crop pick-up mechanism and/or a region situated in front thereof referred to the forward moving direction. The sensor is connected to ... | 08/04/2011 |
| 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, ... | 07/21/2011 |
| 20110158446 | THERMOACOUSTIC DEVICE WITH FLEXIBLE FASTENER AND LOUDSPEAKER USING THE SAME A thermoacoustic device includes a base, a plurality of first fasteners, at least one first electrode, at least one second electrode and a sound wave generator. Each of the first fasteners includes a body engaging with the base and a flexible element extending from the ... | 06/30/2011 |
| 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 hous... | 05/12/2011 |
| 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 in... | 04/28/2011 |
| 20110096629 | ACOUSTIC SIGNAL GENERATION SYSTEM USING MOVING REFLECTING SURFACE An acoustic signal generation system may include a cylindrical-like object having a cylindrical-like surface which is configured to reflect an acoustic signal directed to a location on the surface in substantially different directions as the cylindrical-like object is r... | 04/28/2011 |
| 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 ar... | 03/31/2011 |
| 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 r... | 03/17/2011 |
| 20110028839 | Acoustic Sensor At least one exemplary embodiment is directed to an acoustic sensor, that can be used to identify various fluids as well as concentrations of compounds dissolved in fluids.... | 02/03/2011 |
| 20110017545 | Sound Field Controller A region of air is manipulated to reflect, absorb, or redirect sound energy to prevent the sound energy from reaching a listener separated from the sound source by the region of air. The region of air may be manipulated by directing ultrasonic sound waves with a sound p... | 01/27/2011 |
| 20100274136 | ARRAY OF ELECTROACOUSTIC TRANSDUCERS AND ELECTRONIC PROBE FOR THREE-DIMENSIONAL IMAGING An electroacoustic transducer assembly and probe for emitting and receiving acoustic radiation beams. The transducer assembly comprising an array of electroacoustic transducers composed of a plurality of individual transducer elements each one being composed of an elect... | 10/28/2010 |
| 20100254218 | Method and Apparatus for Estimating Formation Permeability and Electroacoustic Constant of an Electrolyte-Saturated Multi-Layered Rock Taking Into Account Osmosis An acoustic source on a logging tool is used to generate acoustic waves in a borehole. Acoustic detectors on the logging tool measure the generated acoustic waves. Electrodes on the logging tool are used to measure the potential resulting from the generated acoustic wav... | 10/07/2010 |
| 20100220772 | Wireless Communication System Using Surface Acoustic Wave (SAW) Second Harmonic Techniques A system is for encoding information on a passive surface acoustic wave (SAW) device. The system includes a requesting unit configured to wirelessly transmit an impulse signal. The impulse signal is a signal that includes only a single pulse. A SAW device has an interdi... | 09/02/2010 |
| 20100208553 | Hidden ultrasonic transducer with beam angle control for non-contact target detection systems An ultrasonic transducer utilizes a unique forward acoustic transmission line comprised of a composite structure partially consisting of a portion of a continuous smooth sheet of material, such as an automobile bumper, from which the acoustic beam is emitted. This makes... | 08/19/2010 |
| 20100195436 | METHODS AND SYSTEMS FOR DEPLOYING SEISMIC DEVICES Methods and systems for acoustically determining reservoir parameters of subterranean formations. A tool comprising at least one seismic source or seismic receiver mounted thereon; a conveyance configured for movement of the acoustic tool in a borehole traversing the su... | 08/05/2010 |
| 20100191108 | ULTRASONIC TRANSDUCER, ULTRASONIC DIAGNOSIS APPARATUS USING THE SAME, AND ULTRASONIC FLAW INSPECTION APPARATUS USING THE SAME A technique that provides: an ultrasonic transducer in which the accurate arrangement of piezoelectric elements and the electric conductive state between electrode layers are reserved; and an ultrasonic diagnosis apparatus and an ultrasonic flaw inspection apparatus whi... | 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 e... | 07/29/2010 |
| 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... | 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 electro... | 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 w... | 07/29/2010 |
| 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/cm2 of ultrasound i... | 07/22/2010 |
| 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... | 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... | 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 ... | 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 electr... | 07/08/2010 |
| 20100164582 | DRIVING CONFIGURATION OF A SWITCH A circuit includes a switch, having first and second transistors, and a driving device for driving the switch. A latch circuit, coupled between respective common gate and source terminals of the first and second transistors, supplies the common gate terminal with first ... | 07/01/2010 |
| 20100162813 | SENSOR ASSEMBLY A sensor assembly includes a sound sensor, an image sensor, an acceleration sensor, and a gyroscope sensor. The sound sensor includes a substrate defining a first cavity, a diaphragm positioned on the substrate and covering the first cavity, a back plate covering the di... | 07/01/2010 |
| 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 ... | 05/06/2010 |
| 20090322181 | ULTRASONIC TRANSDUCER AND METHOD OF MANUFACTURING THE SAME A technique for a capacitive micromachined ultrasonic transducer (CMUT) for achieving high transmitted sound pressure and high receiver sensitivity is provided. An opening portion (7a) having a diameter of, for example, about 10 μm is provided at a center... | 12/31/2009 |
| 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 pr... | 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 ... | 12/31/2009 |
