ClassID:

37201

B06B2201/55 - CPC Classification

Classification description:

Indexing scheme associated with for details covered by but not provided for in any of its subgroups; Application to a particular transducer type Piezoelectric transducer

Sub-classes:
Recent Application in this class:
#1
20260093035
2026-04-02

ULTRASONIC SENSORS WITH ADAPTIVE DATA COMPRESSION

#2
20260061458
2026-03-05

ULTRASONIC-BASED MATERIAL PROCESSING APPARATUS AND CONTROL METHOD THEREOF

#3
20260043998
2026-02-12

ULTRASONIC CLEANING DEVICE CONTROLLER AND METHOD WITH DRIVE FREQUENCY ADAPTATION WHILE DRIVING

#4
20260042118
2026-02-12

INTEGRATED MODULAR MULTI-TONE PIEZOELECTRIC ELEMENT DRIVER AND METHOD OF DRIVING MODULAR MULTI-TONE PIEZOELECTRIC ELEMENT DRIVER FOR PRESSURE GENERATION

#5
20260027789
2026-01-29

METHOD FOR MANUFACTURING CONTACT BODY THAT IS USED FOR VIBRATION-TYPE ACTUATOR, AND VIBRATION-TYPE ACTUATOR

#6
20260027584
2026-01-29

METHODS OF OPERATING AND MANUFACTURING CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCER WITH CONTOURED ELECTRODE

#7
20260021327
2026-01-22

ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER

#8
20260016897
2026-01-15

HAPTIC FEEDBACK SUBSTRATE AND DRIVING METHOD THEREFOR, AND TOUCH DEVICE

#9
20250312821
2025-10-09

Self-Resonant Piezoelectric Assembly and Efficient Electronic Circuit for Producing Ultrasound

#10
20250262641
2025-08-21

System And Method For Driving An Ultrasonic Handpiece With A Linear Amplifier

#11
20250258293
2025-08-14

ULTRASONIC SENSOR HAVING ACTIVATABLE NOTCH FILTER

#12
20250249481
2025-08-07

System And Methods For Controlling Patient Leakage Current In A Surgical System

#13
20250242179
2025-07-31

Method And System For Increasing The Gas-Dissolution Rate Of A Bubble In A Liquid Media Via Non-Invasive Resonant Acoustic Pressure

#14
20250179675
2025-06-05

METHOD FOR GENERATING HYDROGEN GAS

#15
20250179674
2025-06-05

SYSTEMS FOR GENERATING HYDROGEN

#16
20250179673
2025-06-05

SYSTEMS FOR GENERATING HYDROGEN

#17
20250179672
2025-06-05

SYSTEMS FOR GENERATING HYDROGEN

#18
20250179652
2025-06-05

SYSTEMS FOR GENERATING HYDROGEN

#19
20250170613
2025-05-29

ULTRASONIC TRANSDUCER

#20
20250170611
2025-05-29

VIBRATION DEVICE AND VIBRATION METHOD THEREOF

#21
20250125755
2025-04-17

METHOD FOR CLOSED-LOOP CONTROL OF ACTUATORS WITH CAPACITANCE AS PART OF THE FEEDBACK

#22
20250121214
2025-04-17

INCOHERENT FIELD SONODYNAMIC THERAPY FOR TREATING CANCER

#23
20250114070
2025-04-10

SYNTHETIC PHASE ALTERNATING ROW-COLUMN TRANSDUCER ARRAY

#24
20250089803
2025-03-20

AEROSOL DEVICE INCLUDING DRIVING CIRCUIT FOR MEASURING SIGNAL SUPPLIED TO VIBRATOR

#25
20250089802
2025-03-20

AEROSOL GENERATING DEVICE INCLUDING TEMPERATURE SENSOR

#26
20250083187
2025-03-13

METHOD FOR CONTROLLING AN ULTRASONIC GENERATOR, AND ULTRASONIC GENERATOR

#27
20250083186
2025-03-13

AEROSOL GENERATING DEVICE WITH DRIVING CIRCUIT MATCHING THE IMPEDANCE OF ULTRASONIC VIBRATOR

#28
20250060465
2025-02-20

SONAR SYSTEM INCLUDING TRANSDUCER ELEMENTS WITH A GAP THEREBETWEEN

#29
20250050379
2025-02-13

ULTRASONIC EXTRACTION DEVICE FOR PLANT POLYPHENOLS

#30
20250024754
2025-01-16

METHOD AND SYSTEM FOR ACOUSTIC CLEAVING

#31
20250018426
2025-01-16

ACOUSTIC CLEAVING APPARATUS AND METHODS OF ACOUSTIC CLEAVING

#32
20240416384
2024-12-19

PULSE SHAPING METHODS FOR NON-LINEAR ACOUSTIC PIEZOELECTRIC TRANSDUCERS

#33
20240407758
2024-12-12

DUAL BIAS MICROMACHINED ULTRASOUNIC TRANSDUCERS

#34
20240383004
2024-11-21

PHACO DRIVER SYSTEM, A METHOD AND A COMPUTER PROGRAM PRODUCT

#35
20240382595
2024-11-21

SYSTEM FOR INDUCING SONOPORATION OF A DRUG INTO CANCER CELLS AND METHOD THEREOF

#36
20240375104
2024-11-14

ACOUSTIC TRAPPING MICROCHANNEL RESONANCE DETECTION AND CONTROL

#37
20240359212
2024-10-31

ULTRASONIC DEVICE AND METHOD OF FORMING THE SAME, ULTRASONIC ASSEMBLIES AND METHODS OF FORMING THE SAME

#38
20240351543
2024-10-24

DEVICE HAVING ELECTROMECHANICAL TRANSDUCERS FOR DETECTING APPROACH AND/OR CONTACT IN A MOTOR VEHICLE

#39
20240351068
2024-10-24

RESONANT ACTUATOR VIBRATING WITH PERCEPTIBLE BEAT FREQUENCY FOR HAPTICS APPLICATIONS

#40
20240351067
2024-10-24

System And Method For Driving An Ultrasonic Handpiece With A Linear Amplifier

#41
20240307917
2024-09-19

Wireless Ultrasonic Transducer Apparatus

#42
20240299979
2024-09-12

System and methods for controlling patient leakage current in a surgical system

#43
20240278155
2024-08-22

FLUID DEVICE

#44
20240269706
2024-08-15

DRIVER CIRCUITRY FOR PIEZOELECTRIC TRANSDUCERS

#45
20240261819
2024-08-08

VIBRATOR DEVICE

#46
20240252352
2024-08-01

Controlling vibration patterns of a phacoemulsification needle

#47
20240246115
2024-07-25

VIBRATION PANEL AND TOUCH DISPLAY APPARATUS

#48
20240201348
2024-06-20

SIGNAL PROCESSING DEVICE, ULTRASONIC SENSOR AND VEHICLE

#49
20240181496
2024-06-06

ELECTROACOUSTIC TRANSDUCER

#50
20240172790
2024-05-30

AEROSOL GENERATING DEVICE BASED ON ULTRASOUND VIBRATION AND METHOD THEREOF

#51
20240165667
2024-05-23

VIBRATION APPARATUS AND APPARATUS INCLUDING THE SAME

#52
20240165664
2024-05-23

METHOD FOR DRIVING A WAVE EMITTER AND RECEIVER DEVICE

#53
20240165663
2024-05-23

Capacitive micromachined ultrasonic transducer with contoured electrode

#54
20240155948
2024-05-09

Driver circuitry

#55
20240149302
2024-05-09

VIBRATION APPARATUS AND APPARATUS INCLUDING THE SAME

#56
20240049780
2024-02-15

AEROSOL GENERATING DEVICE AND METHOD OF OPERATING THE SAME

#57
20240024649
2024-01-25

ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER

#58
20230405634
2023-12-21

Devices, systems and processes for improving frequency measurements during reverberation periods for ultra-sonic transducers

#59
20230364642
2023-11-16

System and method for driving an ultrasonic handpiece with a linear amplifier

#60
20230347381
2023-11-02

ULTRASONIC TRANSDUCER WITH STACKED MEMBRANES

#61
20230338190
2023-10-26

DRIVING A PHACOEMULSIFIER ACTUATOR

#62
20230330704
2023-10-19

Driving Circuit for a Piezoelectric Ultrasonic Transducer and Ultrasonic Transducer System

#63
20230330443
2023-10-19

ULTRASOUND ARRAYS FOR ENHANCED SONODYNAMIC THERAPY FOR TREATING CANCER

#64
20230330442
2023-10-19

Incoherent field sonodynamic therapy for treating cancer

#65
20230293910
2023-09-21

Wearable Focused Phased Array Device for Modulation

#66
20230288546
2023-09-14

COMPENSATION FOR AN ULTRASONIC TRANSDUCER WITH A VARIABLE COMPENSATION INDUCTANCE

#67
20230277155
2023-09-07

NON-HERMITIAN COMPLEMENTARY METAMATERIALS (NHCMMS), SYSTEMS INCLUDING AN NHCMM, AND METHODS UTILIZING AN NHCMM

#68
20230240889
2023-08-03

EQUALIZING MULTI-CHANNEL DRIVING SIGNALS OF SEGMENTED PIEZOELECTRIC CRYSTALS

#69
20230218127
2023-07-13

TOILET CLEANING TOOL, DRIVING METHOD AND BRUSH ELEMENT REPLACEMENT METHOD

#70
20230182173
2023-06-15

ULTRASONIC TRANSDUCER

#71
20230161414
2023-05-25

Input apparatus

#72
20230161020
2023-05-25

ACOUSTIC IMAGING PROBE WITH A TRANSDUCER ELEMENT

#73
20230052510
2023-02-16

MULTILAYER BOARD, PROBE UNIT, AND ULTRASOUND ENDOSCOPE

#74
20230022307
2023-01-26

Universal piezo-magneto ultrasonic systems and methods

#75
20220409184
2022-12-29

Systems and methods for testing MEMS arrays and associated ASICs

#76
20220381907
2022-12-01

Ultrasonic sensor, ultrasonic image generating apparatus, and ultrasonic diagnostic apparatus

#77
20220234075
2022-07-28

ELECTRONIC DEVICE AND METHOD FOR FABRICATING A TRANSDUCER IN THE ELECTRONIC DEVICE

#78
20220227017
2022-07-21

Method for vibrating handpiece-type high-frequency vibration apparatus

#79
20220219197
2022-07-14

METHOD OF INCREASING ULTRASONIC SIGNAL RECEPTION

#80
20220161295
2022-05-26

Drive circuitry

#81
20220158070
2022-05-19

Driver circuitry

#82
20220152651
2022-05-19

Pulse train excitation for capacitive micromachined ultrasonic transducer

#83
20220143651
2022-05-12

Driver circuitry

#84
20220137706
2022-05-05

Individual sensor-actuator for generating a haptic effect on a panel, and use of same

#85
20220133536
2022-05-05

Controlling vibration patterns of a phacoemulsification needle

#86
20220128674
2022-04-28

Method of operating electro-acoustic transducers, corresponding circuit and device

#87
20220120718
2022-04-21

LAMINAR STRUCTURE AS PART OF A PIEZOELECTRIC ULTRASONIC TRANSDUCER

#88
20220080458
2022-03-17

DATA PROCESSING ARCHITECTURE FOR ULTRASONIC CLEANING APPLICATION

#89
20220055069
2022-02-24

System and method for driving an ultrasonic handpiece with a linear amplifier

#90
20220043993
2022-02-10

ULTRASONIC SENSOR WITH RECEIVE BEAMFORMING

#91
20220042950
2022-02-10

System for providing power to a stationary underwater control station

#92
20220034928
2022-02-03

Automatic analyzer

#93
20220008956
2022-01-13

MANUFACTURING PROCESS FOR ULTRASONIC ATOMIZATION PIECE

#94
20220001421
2022-01-06

Driver circuitry for piezoelectric transducers

#95
20210353968
2021-11-18

Method and system for increasing the gas-dissolution rate of a bubble in a liquid media via non-invasive resonant acoustic pressure

#96
20210339282
2021-11-04

Gas matrix piezoelectric ultrasound array transducer

#97
20210331204
2021-10-28

Piezoelectric sensor assembly and manufacturing method thereof, display panel and electronic device

#98
20210330493
2021-10-28

MULTI-CHANNEL PIEZOELECTRIC RESONANT SYSTEM

#99
20210329971
2021-10-28

Variable-frequency surface acoustic wave electronic cigarette

#100
20210325280
2021-10-21

Ultrasound system for shearing cellular material

#101
20210264888
2021-08-26

Flexural Ultrasonic Transducer

#102
20210251213
2021-08-19

Bat deterrent ultrasonic transducer for wind turbine applications

#103
20210231472
2021-07-29

Piezoelectric transducer condition monitoring

#104
20210220873
2021-07-22

Contoured electrode for capacitive micromachined ultrasonic transducer

#105
20210220872
2021-07-22

Pulse train excitation for capacative micromachined ultrasonic transducer

#106
20210220871
2021-07-22

Devices, systems and processes for improving frequency measurements during reverberation periods for ultra-sonic transducers

#107
20210196989
2021-07-01

Implantable Bio-Heating System Based on Piezoelectric Micromachined Ultrasonic Transducers

#108
20210190571
2021-06-24

Transducer for non-invasive measurement

#109
20210181152
2021-06-17

Electro-acoustic sensors for remote monitoring

#110
20210177453
2021-06-17

Ultrasound transducer, ultrasound treatment tool, and manufacturing method of ultrasound transducer

#111
20210162458
2021-06-03

Driving apparatus, vibration generating apparatus, electronic apparatus, and driving method

#112
20210137487
2021-05-13

Acoustic transmission system

#113
20210124042
2021-04-29

Ultrasound imaging system and method

#114
20210123038
2021-04-29

Acoustic Transducer Automated Start and Run

#115
20210107030
2021-04-15

ULTRASONIC SENSOR

#116
20210103069
2021-04-08

Ultrasonic transducer with reduced backing reflection

#117
20210100963
2021-04-08

Multi Surface Acoustic Nebuliser

#118
20210069747
2021-03-11

Phaco driver system, a method and a computer program product

#119
20210069332
2021-03-11

System for inducing sonoporation of a drug into cancer cells and method thereof

#120
20210068786
2021-03-11

High power microbeamformer ultrasound transducer probe

#121
20210060561
2021-03-04

Microparticle multi-channel time-sharing separation device and method based on arcuate interdigital transducer

#122
20210052845
2021-02-25

Methods and devices for haptic communication

#123
20210017016
2021-01-21

MEMS Sound Transducer Element

#124
20200384502
2020-12-10

System and methods for controlling patient leakage current in a surgical system

#125
20200292684
2020-09-17

Method of operating electro-acoustic transducers, corresponding circuit and device

#126
20200282055
2020-09-10

MAGNETO-ACOUSTIC DEVICE

#127
20200264137
2020-08-20

Electro-acoustic sensors for remote monitoring

#128
20200254486
2020-08-13

Receive operation of an ultrasonic sensor

#129
20200221233
2020-07-09

Transducer

#130
20200209115
2020-07-02

Ultrasound system for shearing cellular material in a microplate

#131
20200206777
2020-07-02

Plate-like member vibration control device

#132
20200204270
2020-06-25

MIMO communication system and data link

#133
20200186937
2020-06-11

Electroacoustic transducer array

#134
20200186936
2020-06-11

Electroacoustic transducer

#135
20200163653
2020-05-28

Ultrasound diagnostic apparatus and ultrasound image generating method

#136
20200160021
2020-05-21

Ultrasonic signal detecting circuit, ultrasonic signal detecting method, and display panel

#137
20200160018
2020-05-21

ULTRASONIC BIOMETRIC SENSOR WITH TRANSMIT AND RECEIVE SIDE BEAMFORMING

#138
20200156108
2020-05-21

THREE-LEVEL VOLTAGE BURST GENERATION SUITABLE FOR ULTRASONIC IMAGING APPLICATION

#139
20200103262
2020-04-02

Ultrasonic transducer with a sealed 3D-printed mini-horn array

#140
20200100766
2020-04-02

Portable ultrasound imaging probe including a transducer array

#141
20200030850
2020-01-30

Supplemental sensor modes and systems for ultrasonic transducers

#142
20200030848
2020-01-30

System and method for driving an ultrasonic handpiece with a linear amplifier

#143
20200029936
2020-01-30

Ultrasonic sensor and ultrasonic sensor device

#144
20190389746
2019-12-26

Algae and biofilm control by mimicking turbulence

#145
20190351453
2019-11-21

PMUT ultrasound transducer with damping layer

#146
20190262865
2019-08-29

Piezoelectric micromachined ultrasound transducer device with piezoelectric barrier layer

#147
20190227035
2019-07-25

Electro-acoustic sensors for remote monitoring

#148
20190196010
2019-06-27

Obstacle detection sensor

#149
20190128714
2019-05-02

Adjustable transducer assemblies

#150
20190079174
2019-03-14

Measuring resonance parameters of piezoelectric transducers

#151
20190079173
2019-03-14

Response-based determination of piezoelectric transducer state

#152
20180374321
2018-12-27

Inertial haptic actuators having a cantilevered beam and a smart material

#153
20180325169
2018-11-15

Ultrasonic automization piece, manufacturing method thereof, ultrasonic automizer and electronic cigarette

#154
20180309391
2018-10-25

Piezoelectric actuator drive circuit

#155
20180287515
2018-10-04

Piezoelectric drive device, drive method of piezoelectric drive device, robot, electronic component transport apparatus, printer, and projector

#156
20180209878
2018-07-26

Ultrasound system for shearing cellular material in a microplate

#157
20180154393
2018-06-07

Method and System for Denser Ultrasonic Transducer Arrays Using Limited Set of Electrical Contacts

#158
20180126418
2018-05-10

Gas matrix piezoelectric ultrasound array transducer

#159
20180093300
2018-04-05

Ultrasonic transducer

#160
20180091235
2018-03-29

Ultrasonic diagnostic apparatus, probe head, ultrasonic probe, electronic machine, and ultrasonic diagnostic apparatus

#161
20180078969
2018-03-22

Acoustic transducer

#162
20180056328
2018-03-01

System and method for driving an ultrasonic handpiece with a linear amplifier

#163
20180053888
2018-02-22

Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, electronic apparatus, and manufacturing method of mounting structure

#164
20170363581
2017-12-21

Electro-acoustic sensors for remote monitoring

#165
20170338790
2017-11-23

IMPEDANCE MATCHING DEVICE AND METHOD

#166
20170329005
2017-11-16

Miniature micromachined ultrasonic rangefinder

#167
20170326593
2017-11-16

Receive operation of an ultrasonic sensor

#168
20170326591
2017-11-16

Supplemental sensor modes and systems for ultrasonic transducers

#169
20170320093
2017-11-09

Electrode arrangement for a pMUT and pMUT transducer array

#170
20170274420
2017-09-28

METHOD FOR PRODUCING ULTRASONIC TRANSDUCER AND ULTRASONIC TRANSDUCER

#171
20170235434
2017-08-17

ULTRASONIC ACTUATOR APPARATUS

#172
20170205318
2017-07-20

ULTRASOUND SYSTEM FOR SHEARING CELLULAR MATERIAL

#173
20170184718
2017-06-29

MINIATURE MICROMACHINED ULTRASONIC RANGEFINDER

#174
20170170786
2017-06-15

Oscillation circuit and oscillation-circuit driving method

#175
20170169899
2017-06-15

Piezoelectric and logic integrated delay line memory

#176
20170144194
2017-05-25

Ultrasound transducer and ultrasound endoscope

#177
20170072225
2017-03-16

Pulse amplifier for driving ultrasound transducers

#178
20170020484
2017-01-26

Ultrasonic device, ultrasonic module, electronic apparatus, and ultrasonic measurement apparatus

#179
20170014866
2017-01-19

Ultrasound probe

#180
20170008031
2017-01-12

Device for generating mechanical vibrations

#181
20160346061
2016-12-01

Universal piezo-magneto ultrasonic systems and methods

#182
20160282455
2016-09-29

Robust ultrasound transducer probes having protected integrated circuit interconnects

#183
20160132187
2016-05-12

Superpixel array of piezoelectric ultrasonic transducers for 2-D beamforming

#184
20160131747
2016-05-12

Active beam-forming technique for piezoelectric ultrasonic transducer array

#185
20160129475
2016-05-12

Ultrasound transmitter

#186
20160124079
2016-05-05

Ultrasonic pulse-echo ranging device

#187
20160107194
2016-04-21

Three-port piezoelectric ultrasonic transducer

#188
20160106393
2016-04-21

Ultrasound diagnosis apparatus and ultrasound probe

#189
20160100251
2016-04-07

Electronic device for generation of an audible alarm or music

#190
20160089112
2016-03-31

Ultrasonic imaging system with angularly compounded acoustic radiation force excitation

#191
20160066881
2016-03-10

Methods and systems for broadband intravascular ultrasound imaging

#192
20160061652
2016-03-03

Method and system for searching for resonant frequency of transducer

#193
20160020379
2016-01-21

Circuit device, electronic apparatus and moving object

#194
20150377017
2015-12-31

Acoustic transmitter for transmitting a signal through a downhole medium

#195
20150345987
2015-12-03

Piezoelectric transducer device with flexible substrate

#196
20150336132
2015-11-26

Integrated ultrasound transducer

#197
20150333699
2015-11-19

Vibration generating apparatus and electronic apparatus including the same

#198
20150258583
2015-09-17

Composite transducer apparatus and system for processing a substrate and method of constructing the same

#199
20150229238
2015-08-13

Piezoelectric device, piezoelectric actuator, hard disk drive, and inkjet printer apparatus

#200
20150188456
2015-07-02

Piezoelectric element driving apparatus and method, and piezoelectric system using the same

#201
20150168989
2015-06-18

Apparatus and method for generating sinusoidal waves, and system for driving piezo actuator using the same

#202
20150157299
2015-06-11

Sub-performing transducer element detection for medical ultrasound

#203
20150153999
2015-06-04

Audio display playback control

#204
20150137905
2015-05-21

Impedance matching device and method

#205
20150087991
2015-03-26

Application specific integrated circuit with column-row-parallel architecture for ultrasonic imaging

#206
20150063073
2015-03-05

Ultrasonic sensor driving circuit

#207
20150029818
2015-01-29

Ultrasonic measurement apparatus, ultrasonic head unit, ultrasonic probe, and ultrasonic imaging apparatus

#208
20140354111
2014-12-04

Ultrasonic wave converter, electric pulse generating device, and ultrasonic wave generating device comprising same

#209
20140265943
2014-09-18

Ultrasonic transducer control

#210
20140211592
2014-07-31

Ultrasonic measurement device, ultrasonic head unit, ultrasonic probe, and ultrasonic image device

#211
20140055003
2014-02-27

Ultrasound transmitter

#212
20140031694
2014-01-30

Portable ultrasonic imaging probe including a transducer array

#213
20140029386
2014-01-30

Apparatus and methods of tuning and amplifying piezoelectric sonic and ultrasonic outputs

#214
20130190625
2013-07-25

Ultrasonic diagnostic apparatus, phase shift transmission/reception control method, and ultrasonic probe

#215
20130188458
2013-07-25

MUT circuit with an electrically controllable membrane

#216
20130131692
2013-05-23

Control of pulse duty cycle based upon footswitch displacement

#217
20130131686
2013-05-23

Micro-burst ultrasonic power delivery

#218
20120188639
2012-07-26

Foreign substance removal unit and optical apparatus including foreign substance removal unit

#219
20120110758
2012-05-10

Driving method for piezoelectric vibrator, and dust removing device and ultrasonic motor using the driving method

#220
20120024313
2012-02-02

Gigasonic brush for cleaning surfaces

#221
20120013220
2012-01-19

PIEZOELECTRIC ACTUATOR DRIVE UNIT

#222
20110285457
2011-11-24

Multi-level transmitter circuit having substantially constant impedance output

#223
20110160646
2011-06-30

Micro-burst ultrasonic power delivery

#224
20080066552
2008-03-20

Ultrasonic transducer driving circuit and ultrasonic diagnostic apparatus

#225
20070157728
2007-07-12

Ultrasonic sensor transmitting and receiving ultrasonic frequencies adjusted according to temperature

#226
20070118071
2007-05-24

Micro-burst ultrasonic power delivery

#227
20070073309
2007-03-29

Control of pulse duty cycle based upon footswitch displacement

#228
20050036636
2005-02-17

Vibration source driving device

#229
18864415
2025-10-07

Systems for generating hydrogen

#230
18466476
2024-09-03

Ultrasonic touch sensor with backlight

#231
15466040
2020-08-25

Piezoelectric micromachined ultrasonic transducers having differential transmit and receive circuitry