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Class Information
Number: 310/326
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Combined with damping structure
Description: Subject matter having the piezoelectric element combined with structure designed to absorb, or attenuate undesired energy emanated from or applied to the element.










Sub-classes under this class:

Class Number Class Name Patents
310/327 On back of piezoelectric element 216


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8680745 Device for measuring material thickness Mar. 25, 2014
8674587 Ultrasonic transducer and fabricating the same Mar. 18, 2014
8669723 Control apparatus of vibration-type actuator and control method of vibration-type actuator Mar. 11, 2014
8587182 Ultrasonic transducer Nov. 19, 2013
8569928 Method for influencing, damping, or suppressing mechanical vibrations occurring during operation in a turbomachine blade, a turbomachine blade useful for carrying out the method, and a piezoel Oct. 29, 2013
8562534 Ultrasonic probe Oct. 22, 2013
8556227 Temperature-compensated piezoelectric flexural transducer Oct. 15, 2013
8551041 Navigable system for catheter based endovascular neurosurgery Oct. 8, 2013
8536959 Substrate with built-in electronic component Sep. 17, 2013
8536764 Arrangement of a piezoacoustic resonator on an acoustic mirror of a substrate, method for producing the arrangement and use of the arrangement Sep. 17, 2013
8531083 Devices having a tunable acoustic path length and methods for making same Sep. 10, 2013
8519600 Ultrasonic transducer Aug. 27, 2013
8487513 Piezoelectric actuator Jul. 16, 2013
8413524 Acoustic matching member, ultrasonic transmitter/receiver, and ultrasonic flowmeter Apr. 9, 2013
8406438 Device and method for the excitation and/or damping and/or detection or structural oscillations of a plate-shaped device using a piezoelectric strip device Mar. 26, 2013
8354775 Ultrasonic transducer Jan. 15, 2013
8330333 Ultrasound imaging transducer acoustic stack with integral electrical connections Dec. 11, 2012
8288920 Ultrasonic transducer for use in a fluid medium Oct. 16, 2012
8264124 Ultrasonic transducer Sep. 11, 2012
8210046 Composition for acoustic damping Jul. 3, 2012
8188810 Acoustic resonator performance enhancement using selective metal etch May. 29, 2012
8190303 Systems and methods to dissipate heat in an information handling system May. 29, 2012
8179024 Piezoelectric transducer device May. 15, 2012
8134279 Piezoelectric damping device Mar. 13, 2012
8093782 Specialized, high performance, ultrasound transducer substrates and related method thereof Jan. 10, 2012
8049148 Missile airframe and structure comprising piezoelectric fibers and method for active structural response control Nov. 1, 2011
8008993 Thin-film bulk-acoustic wave (BAW) resonators Aug. 30, 2011
7956514 Ultrasonic attenuation materials Jun. 7, 2011
7956516 Ultrasonic sensor and method for manufacturing the same Jun. 7, 2011
7884528 Driving apparatus Feb. 8, 2011
7877854 Method of manufacturing an ultrasound transducer Feb. 1, 2011
7854049 Method of manufacturing a piezoelectric thin film device Dec. 21, 2010
7777395 Continuous drop emitter with reduced stimulation crosstalk Aug. 17, 2010
7737807 Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators Jun. 15, 2010
7732985 Micro stage using piezoelectric element Jun. 8, 2010
7703698 Ultrasonic liquid treatment chamber and continuous flow mixing system Apr. 27, 2010
7701117 Acoustic resonator and filter Apr. 20, 2010
7675390 Acoustic galvanic isolator incorporating single decoupled stacked bulk acoustic resonator Mar. 9, 2010
7612486 Ultrasonic probe, backing material for ultrasonic probe, and method of manufacturing the same Nov. 3, 2009
7609133 Piezoelectric thin film device having an additional film outside an excitation region Oct. 27, 2009
7573177 Active/passive distributed absorber for vibration and sound radiation control Aug. 11, 2009
7569975 Cable direct interconnection (CDI) method for phased array transducers Aug. 4, 2009
7557677 Cascaded monolithic crystal filter with high out-of-band rejection Jul. 7, 2009
7545079 Photoetched ultrasound transducer components Jun. 9, 2009
7529154 Hybrid thin film heterostructure modular vibration control apparatus and methods for fabrication thereof May. 5, 2009
7482731 Kit and method for constructing vibration suppression and/or sensing units Jan. 27, 2009
7471034 Ultrasound transducer and method of producing the same Dec. 30, 2008
7441321 Method of manufacturing ultrasound transducer device having acoustic backing Oct. 28, 2008
7425787 Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator Sep. 16, 2008
7411332 Electroactive polymer animated devices Aug. 12, 2008

1 2 3 4 5 6 7










 
 
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