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Class Information
Number: 310/322
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Combined with resonant structure > Acoustic wave type generator or receiver
Description: Subject matter wherein the mechanical energy applied to or produced by the resonant structure is disclosed as being caused by or producing traveling compressions in an elastic material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8680745 Device for measuring material thickness Mar. 25, 2014
8680931 Periodic signal generators having microelectromechanical resonators therein that support surface wave and bulk acoustic wave modes of operation with different temperature coefficients of frequ Mar. 25, 2014
8664830 Ultrasonic device Mar. 4, 2014
8657027 Single piezo-actuator rotary-hammering (SPaRH) drill Feb. 25, 2014
8610334 Ultrasonic torsional mode and longitudinal-torsional mode transducer Dec. 17, 2013
8587182 Ultrasonic transducer Nov. 19, 2013
8586195 Method for forming an acoustic mirror with reduced metal layer roughness and related structure Nov. 19, 2013
8587391 Acoustic coupling layer for coupled resonator filters and method of fabricating acoustic coupling layer Nov. 19, 2013
8563345 Integration of structurally-stable isolated capacitive micromachined ultrasonic transducer (CMUT) array cells and array elements Oct. 22, 2013
8562534 Ultrasonic probe Oct. 22, 2013
8559660 Electrostatic electroacoustic transducers Oct. 15, 2013
8551003 Ultrasonic probe and ultrasonic diagnosis device Oct. 8, 2013
8546997 Ultrasonic sensor Oct. 1, 2013
8536761 Piezoelectric resonator having mesa type piezoelectric vibrating element Sep. 17, 2013
8536763 Ultrasonic transducer, ultrasonic sensor, method of manufacturing ultrasonic transducer, and method of manufacturing ultrasonic sensor Sep. 17, 2013
8499635 Transducer array imaging system Aug. 6, 2013
8498433 Sonic motion apparatus Jul. 30, 2013
8492957 Apparatus for generating electric energy Jul. 23, 2013
8479375 Method of making an embedded electromagnetic device Jul. 9, 2013
8482357 Transverse acoustic wave resonator, oscillator having the resonator and method for making the resonator Jul. 9, 2013
8410869 Elastic-wave filter device having a band-pass filter and a band-reject filter Apr. 2, 2013
8410664 Method for changing ultrasound wave frequency by using the acoustic matching layer Apr. 2, 2013
8406084 Transducer device having coupled resonant elements Mar. 26, 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
8395299 Ultrasonic torsional mode and longitudinal-torsional mode transducer system Mar. 12, 2013
8390397 Bulk acoustic resonator structure comprising hybrid electrodes Mar. 5, 2013
8384497 Piezoelectric resonator structure having an interference structure Feb. 26, 2013
8368487 Thin-film bulk acoustic resonators having multi-axis acoustic wave propagation therein Feb. 5, 2013
8353312 Piezoelectric valve Jan. 15, 2013
8354775 Ultrasonic transducer Jan. 15, 2013
8344595 Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device Jan. 1, 2013
8330333 Ultrasound imaging transducer acoustic stack with integral electrical connections Dec. 11, 2012
8324006 Method of forming a capacitive micromachined ultrasonic transducer (CMUT) Dec. 4, 2012
8305159 Piezoelectric thin film resonator, filter using the resonator, duplexer using the filter, and communication equipment using the filter or the duplexer Nov. 6, 2012
8283999 Bulk acoustic resonator structures comprising a single material acoustic coupling layer comprising inhomogeneous acoustic property Oct. 9, 2012
8264129 Device and system for measuring material thickness Sep. 11, 2012
8248185 Acoustic resonator structure comprising a bridge Aug. 21, 2012
8220334 Transducer array imaging system Jul. 17, 2012
8222793 Acoustic power generator and method for manufacturing the same Jul. 17, 2012
8198782 Ultrasonic transducer and manufacturing method thereof Jun. 12, 2012
8198958 Power amplifier matching RF system and method using bulk acoustics wave device Jun. 12, 2012
8188810 Acoustic resonator performance enhancement using selective metal etch May. 29, 2012
8183739 Electroactive polymer actuated devices May. 22, 2012
8169122 Ultra sonic release of DNA or RNA May. 1, 2012
8141216 Method of manufacturing ultrasound probe Mar. 27, 2012
8110963 Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device Feb. 7, 2012
8102101 Piezoelectric sensors Jan. 24, 2012
8072119 Piezoelectric component Dec. 6, 2011
8022595 Asymmetric composite acoustic wave sensor Sep. 20, 2011
7986198 Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same Jul. 26, 2011

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