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Class Information
Number: 310/327
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Combined with damping structure > On back of piezoelectric element
Description: Subject matter in which an absorber or attenuator is in intimate contact with a first part of the surface of the piezoelectric element to remove mechanical energy therefrom while mechanical energy is allowed to emanate from or into another part of the surface not in the same plane with the first part.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622849 |
Ultrasonic sensor having vibrator mounted on substrate |
Nov. 24, 2009 |
| 7550900 |
Acoustic resonator device |
Jun. 23, 2009 |
| 7545082 |
Ultrasonic sensor device and ultrasonic transducer |
Jun. 9, 2009 |
| 7439656 |
Method for designing ultrasonic transducers with acoustically active integrated electronics |
Oct. 21, 2008 |
| 7432638 |
Acoustic backing composition, ultrasonic probe and ultrasonic diagnostic apparatus |
Oct. 7, 2008 |
| 7425787 |
Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator |
Sep. 16, 2008 |
| 7400079 |
Ultrasonic probe |
Jul. 15, 2008 |
| 7391142 |
Acoustic resonator support, acoustic resonator and corresponding integrated circuit |
Jun. 24, 2008 |
| 7391143 |
Support and decoupling structure for an acoustic resonator, acoustic resonator and corresponding integrated circuit |
Jun. 24, 2008 |
| 7358645 |
Backing, transducer array and method for thermal survival |
Apr. 15, 2008 |
| 7321183 |
Film bulk acoustic resonator and method for manufacturing the same |
Jan. 22, 2008 |
| 7190105 |
Sound or ultrasound sensor |
Mar. 13, 2007 |
| 7168633 |
Spraying device |
Jan. 30, 2007 |
| 7130436 |
Helmet with built-in speaker system and speaker system for helmet |
Oct. 31, 2006 |
| 7126257 |
Piezoelectric ceramic-reinforced metal matrix composites |
Oct. 24, 2006 |
| 7105986 |
Ultrasound transducer with enhanced thermal conductivity |
Sep. 12, 2006 |
| 7103960 |
Method for providing a backing member for an acoustic transducer array |
Sep. 12, 2006 |
| 7093775 |
Fragrance-dispensing shower head |
Aug. 22, 2006 |
| 7084552 |
Anisotropic acoustic impedance matching material |
Aug. 1, 2006 |
| 7082810 |
Gas sensor |
Aug. 1, 2006 |
| 7069786 |
Ultrasonic transducer structures |
Jul. 4, 2006 |
| 7061163 |
Ultrasonic transducer and ultrasonic flowmeter |
Jun. 13, 2006 |
| 7019621 |
Methods and apparatus to increase sound quality of piezoelectric devices |
Mar. 28, 2006 |
| 7009326 |
Ultrasonic vibration apparatus use as a sensor having a piezoelectric element mounted in a cylindrical casing and grooves filled with flexible filler |
Mar. 7, 2006 |
| 7000381 |
Device for exhaust gas after treatment of motor vehicles, in particular, diesel engine vehicles |
Feb. 21, 2006 |
| 6995500 |
Composite backing layer for a downhole acoustic sensor |
Feb. 7, 2006 |
| 6984923 |
Broadband and wide field of view composite transducer array |
Jan. 10, 2006 |
| 6943647 |
Bulk acoustic wave filter with a roughened substrate bottom surface and method of fabricating same |
Sep. 13, 2005 |
| 6864619 |
Piezoelectric resonator device having detuning layer sequence |
Mar. 8, 2005 |
| 6859984 |
Method for providing a matrix array ultrasonic transducer with an integrated interconnection means |
Mar. 1, 2005 |
| 6849053 |
Shock wave source with a wave damping coil carrier |
Feb. 1, 2005 |
| 6837859 |
Shock wave source with a coil carrier having a non-circular contour |
Jan. 4, 2005 |
| 6831394 |
Backing material for micromachined ultrasonic transducer devices |
Dec. 14, 2004 |
| 6825594 |
Ultrasonic transducer |
Nov. 30, 2004 |
| 6806622 |
Impact-reinforced piezocomposite transducer array |
Oct. 19, 2004 |
| 6747395 |
Piezoelectric loudspeaker |
Jun. 8, 2004 |
| 6732949 |
Fuel injection valve for internal combustion engines |
May. 11, 2004 |
| 6628047 |
Broadband ultrasonic transducers and related methods of manufacture |
Sep. 30, 2003 |
| 6585171 |
Fuel injection valve |
Jul. 1, 2003 |
| 6571444 |
Method of manufacturing an ultrasonic transducer |
Jun. 3, 2003 |
| 6539952 |
Megasonic treatment apparatus |
Apr. 1, 2003 |
| 6467138 |
Integrated connector backings for matrix array transducers, matrix array transducers employing such backings and methods of making the same |
Oct. 22, 2002 |
| 6417599 |
Piezoelectric resonator, piezoelectric component, and producing method for the piezoelectric resonator |
Jul. 9, 2002 |
| 6396198 |
Wave transmission-reception element for use in ultrasound probe, method for manufacturing the wave transmission-reception element and ultrasound probe incorporating the transmission-reception |
May. 28, 2002 |
| 6307302 |
Ultrasonic transducer having impedance matching layer |
Oct. 23, 2001 |
| 6286371 |
Monitor head for ultrasound control by pulse echo process |
Sep. 11, 2001 |
| 6194814 |
Nosepiece having an integrated faceplate window for phased-array acoustic transducers |
Feb. 27, 2001 |
| 6153967 |
Ultrasonic probe and ultrasonic diagnostic apparatus |
Nov. 28, 2000 |
| 6124664 |
Transducer backing material |
Sep. 26, 2000 |
| 6051913 |
Electroacoustic transducer and acoustic isolator for use therein |
Apr. 18, 2000 |
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