Patents-Review.com
ClassID:

197122 ⎘

G10K9/122 - CPC Classification

Classification description:

Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooter, buzzer electrically operated using piezo-electric driving means

Sub-classes:
Recent Application in this class:
#1
20260113573
2026-04-23

SYSTEM AND METHOD FOR COMPLEX AUDIO TONE DELIVERY THROUGH A PIEZOELECTRIC BUZZER

 #2
20260095138
2026-04-02

BUZZER DRIVING SYSTEM AND METHOD THEREOF

 #3
20260095137
2026-04-02

BUZZER DEVICE, DRIVING SYSTEM FOR A BUZZER AND METHOD THEREOF

 #4
20260094594
2026-04-02

BUZZER DRIVING SYSTEM WITH SIGNAL COMPENSATION FUNCTION AND METHOD THEREOF

 #5
20250046285
2025-02-06

ULTRASONIC PROJECTION DEVICE

 #6
20240351543
2024-10-24

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

 #7
20240302873
2024-09-12

DISPLAY APPARATUS

 #8
20240248188
2024-07-25

SYSTEMS AND TECHNIQUES FOR DEICING SENSORS

 #9
20240225677
2024-07-11

Shock Wave Device

 #10
20240177700
2024-05-30

DISPLAY APPARATUS

 #11
20240048648
2024-02-08

Portable wireless charger that attacks to the cell phone case

 #12
20240028290
2024-01-25

DISPLAY APPARATUS

 #13
20240013762
2024-01-11

DISPLAY APPARATUS

 #14
20230422625
2023-12-28

Piezoelectric element, piezoelectric device including the same, and vibration module and display apparatus including the piezoelectric device

 #15
20230405634
2023-12-21

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

 #16
20230395054
2023-12-07

Vibration generating device and display apparatus including the same

 #17
20230393804
2023-12-07

Display apparatus

 #18
20230326441
2023-10-12

Silent Detection of Open or Short Connections to a Piezoelectric Device

 #19
20230266938
2023-08-24

Display apparatus

 #20
20230266790
2023-08-24

FLEXIBLE VIBRATION FILM AND DISPLAY HAVING THE SAME

 #21
20230217184
2023-07-06

APPARATUS, DISPLAY APPARATUS AND VEHICLE

 #22
20230215410
2023-07-06

APPARATUS

 #23
20230128581
2023-04-27

Display apparatus

 #24
20230121224
2023-04-20

VIBRATION APPARATUS, APPARATUS INCLUDING THE SAME, AND VEHICULAR APPARATUS INCLUDING THE VIBRATION APPARATUS

 #25
20230121216
2023-04-20

PIEZOELECTRIC SOUND COMPONENT

 #26
20230053609
2023-02-23

Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)

 #27
20220406989
2022-12-22

Piezoelectric element, piezoelectric device including the same, and vibration module and display apparatus including the piezoelectric device

 #28
20220288637
2022-09-15

ULTRASONIC TRANSDUCER

 #29
20220230612
2022-07-21

Piezoelectric sounding component

 #30
20220159386
2022-05-19

PIEZOELECTRIC SPEAKER AND MANUFACTURING METHOD THEREFOR

 #31
20220019271
2022-01-20

Display apparatus

 #32
20210407488
2021-12-30

Display apparatus

 #33
20210406497
2021-12-30

Sensor circuit for generating and detecting ultrasonic sensing signal, an ultrasonic sensing display apparatus

 #34
20210366456
2021-11-25

Display apparatus

 #35
20210337315
2021-10-28

Piezoelectric sound-producing component

 #36
20210304722
2021-09-30

Vibration generating device and display apparatus including the same

 #37
20210304721
2021-09-30

BUZZER, BUZZER DEVICE AND SECURITY EQUIPMENT

 #38
20210293845
2021-09-23

Acoustic sources for air data systems

 #39
20210279026
2021-09-09

Display apparatus including a vibration device

 #40
20210264888
2021-08-26

Flexural Ultrasonic Transducer

 #41
20210263554
2021-08-26

Display device

 #42
20210216735
2021-07-15

Fingerprint identification structure and display device

 #43
20210216734
2021-07-15

Fingerprint identification substrate, fingerprint identification method and display device

 #44
20210200503
2021-07-01

Display apparatus

 #45
20210200265
2021-07-01

Flexible vibration film and display having the same

 #46
20210178430
2021-06-17

Micro-machined ultrasonic transducer including a tunable helmoltz resonator

 #47
20210166670
2021-06-03

Power control for piezo sounder

 #48
20210069748
2021-03-11

Ultrasonic transducers with Q spoiling

 #49
20210055769
2021-02-25

Communication device with a suspended display stack

 #50
20210048842
2021-02-18

Circuit board having sound generator and display device including the same

 #51
20210048339
2021-02-18

Sound inspection method and inspection apparatus for display device including sound generator

 #52
20210035545
2021-02-04

Temperature compensation for piezo sounder

 #53
20210027756
2021-01-28

SOUND TRANSDUCER

 #54
20210026402
2021-01-28

Wearable display apparatus and display control method thereof

 #55
20210018551
2021-01-21

Status detection of alarm sounding parts

 #56
20210011510
2021-01-14

Display device

 #57
20210004198
2021-01-07

Display apparatus

 #58
20200399583
2020-12-24

ACOUSTIC PERFUSION DEVICES

 #59
20200381613
2020-12-03

Piezoelectric element, piezoelectric device including the same, and vibration module and display apparatus including the piezoelectric device

 #60
20200320970
2020-10-08

Electronic horn

 #61
20200319842
2020-10-08

Display apparatus

 #62
20200287453
2020-09-10

Energy harvester and corresponding device

 #63
20200256968
2020-08-13

Ultrasonic sensor

 #64
20200251125
2020-08-06

Causing a voice enabled device to defend against inaudible signal attacks

 #65
20200218498
2020-07-09

Electronic device with display panel speaker

 #66
20200215574
2020-07-09

Portable electronic device using a tactile vibrator

 #67
20200207283
2020-07-02

Vibration device, vibration module, electronic apparatus, and vehicle

 #68
20200207282
2020-07-02

Vibration device, electronic apparatus and vehicle

 #69
20200206780
2020-07-02

ULTRASONIC SENSOR

 #70
20200194661
2020-06-18

Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)

 #71
20200184939
2020-06-11

Display apparatus

 #72
20200183637
2020-06-11

Display device and method for driving the same

 #73
20200167122
2020-05-28

Display apparatus and automotive apparatus

 #74
20200066243
2020-02-27

Electronic horn

 #75
20200022674
2020-01-23

METHOD AND PROBE FOR PREDICTING SPONTANEOUS PRETERM DELIVERY

 #76
20190388936
2019-12-26

Diaphragm cup for an ultrasonic transducer, method for manufacturing a diaphragm cup and an ultrasonic transducer

 #77
20190376839
2019-12-12

Vibration sensor and method for optimizing a piezoelectric drive

 #78
20190325857
2019-10-24

Ultrasonic transducer and ultrasonic flow measuring device

 #79
20190291136
2019-09-26

ULTRASONIC TRANSDUCER

 #80
20190277954
2019-09-12

ULTRASONIC TRANSDUCER

 #81
20190265342
2019-08-29

DIAPHRAGM CUP FOR AN ULTRASONIC TRANSDUCER AND ULTRASONIC TRANSDUCER

 #82
20190259362
2019-08-22

Hybrid actuator and multimedia apparatus having the same

 #83
20190193116
2019-06-27

Piezoelectric micromachined ultrasonic transducers having stress relief features

 #84
20190182603
2019-06-13

Mobile terminal and control method thereof, storage medium

 #85
20190159794
2019-05-30

Shock wave device

 #86
20190139526
2019-05-09

Method and circuit for controlling multi-use horn by bus

 #87
20190122691
2019-04-25

Causing microphones to detect inaudible sounds and defense against inaudible attacks

 #88
20190116417
2019-04-18

Air pulse generating element and manufacturing method thereof

 #89
20190004162
2019-01-03

Ultrasonic transducer with composite case

 #90
20180326456
2018-11-15

PRESSURE SENSOR, AND COMPOSITE ELEMENT AND ELECTRONIC DEVICE HAVING SAME

 #91
20180275305
2018-09-27

Acoustic transducer

 #92
20180270585
2018-09-20

Piezoelectric sounding component

 #93
20180270584
2018-09-20

Piezoelectric sounding component

 #94
20180270583
2018-09-20

Piezoelectric sounding component

 #95
20180268796
2018-09-20

Miniature ultrasonic transducer package

 #96
20180240449
2018-08-23

Acoustic sensor having a housing and a diaphragm element situated on this housing

 #97
20180197521
2018-07-12

Buzzer unit and signal indicator light

 #98
20180185658
2018-07-05

Buzzer apparatus

 #99
20180174564
2018-06-21

Sound transducer

 #100
20180156901
2018-06-07

Vehicle sensing system with ultrasonic transducer

 #101
20180108338
2018-04-19

ACOUSTIC TRANSDUCER DEVICE COMPRISING A PIEZO SOUND TRANSDUCER AND AN MUT SOUND TRANSDUCER, METHOD OF OPERATING SAME, ACOUSTIC SYSTEM, ACOUSTIC COUPLING STRUCTURE, AND METHOD OF PRODUCING AN ACOUSTIC COUPLING STRUCTURE

 #102
20180108337
2018-04-19

Sound generating apparatus, electric device and method for manufacturing the same

 #103
20180093300
2018-04-05

Ultrasonic transducer

 #104
20180092346
2018-04-05

Ultrasonic generator

 #105
20180066224
2018-03-08

Acoustic perfusion devices

 #106
20180018866
2018-01-18

Networked audible and visual alarm apparatus for synchronized alerting with a base station and electronic coding for each alarm

 #107
20170326594
2017-11-16

Ultrasonic transducer with a non-uniform membrane

 #108
20170309141
2017-10-26

Light and sound signalling device

 #109
20170307426
2017-10-26

Ultrasonic transducer with emitting element

 #110
20170298316
2017-10-19

Acoustic bioreactor processes

 #111
20170218323
2017-08-03

Acoustic separation of T cells

 #112
20170170383
2017-06-15

Curved Piezoelectric Transducers and Methods of Making and Using the Same

 #113
20170160386
2017-06-08

ULTRASONIC SENSOR DEVICE FOR A MOTOR VEHICLE, DRIVER ASSISTANCE SYSTEM, AND MOTOR VEHICLE

 #114
20170144195
2017-05-25

High frequency ultrasonic transducer and matching layer comprising cyanoacrylate

 #115
20170137774
2017-05-18

Acoustic perfusion devices

 #116
20170132998
2017-05-11

Sound generating device

 #117
20170132997
2017-05-11

Ultrasonic transducer and ultrasonic flow measuring device

 #118
20170047504
2017-02-16

Piezoelectric sounding body

 #119
20170047502
2017-02-16

Piezoelectric sounding body

 #120
20170034637
2017-02-02

Method for manufacturing an ultrasonic transducer

 #121
20170028910
2017-02-02

Electronic vehicle horn

 #122
20160349360
2016-12-01

Ultrasonic sensor

 #123
20160339476
2016-11-24

Ultrasonic transducer

 #124
20160332198
2016-11-17

Impedance matching layer for ultrasonic transducers with metallic protection structure

 #125
20160315247
2016-10-27

Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (PMUT)

 #126
20160209501
2016-07-21

Sensor system

 #127
20160202113
2016-07-14

Measuring device and component with measuring device integrated therein

 #128
20160167090
2016-06-16

Transducer with mesa

 #129
20160057545
2016-02-25

Piezoelectric speaker driving system and method thereof

 #130
20160023245
2016-01-28

Portable electronic device using a tactile vibrator

 #131
20150350789
2015-12-03

Electroacoustic transducer

 #132
20150239011
2015-08-27

Device comprising a panel and piezoelectric element

 #133
20150221295
2015-08-06

Motor vehicle having at least one sound-generating system for producing an artificial engine noise

 #134
20150212203
2015-07-30

Method for producing an ultrasonic sensor for a motor vehicle, ultrasonic sensor and motor vehicle

 #135
20150155470
2015-06-04

Piezoelectric actuator, piezoelectric vibration device, and portable terminal

 #136
20150153999
2015-06-04

Audio display playback control

 #137
20150145374
2015-05-28

Transducer and method for forming the same

 #138
20150130625
2015-05-14

Piezoelectric user interface

 #139
20150124564
2015-05-07

Ultrasonic sensor and device and method for measuring a distance between a vehicle and an obstacle

 #140
20150117678
2015-04-30

Electronic device

 #141
20150110318
2015-04-23

Electronic device

 #142
20150108874
2015-04-23

High frequency ultrasonic transducer and matching layer comprising cyanoacrylate

 #143
20150002584
2015-01-01

Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generator

 #144
20140292150
2014-10-02

Temperature compensated acoustic resonator device having an interlayer

 #145
20140292149
2014-10-02

Temperature compensated acoustic resonator device

 #146
20140265727
2014-09-18

Ultrasonic transducer

 #147
20140241550
2014-08-28

Piezoelectric sound element

 #148
20140238135
2014-08-28

Method for controlling an ultrasonic sensor and ultrasonic sensor

 #149
20140139071
2014-05-22

Ultrasonic transducer

 #150
20140043944
2014-02-13

Ultrasonic high temperature and pressure housing for piezoelectric-acoustic channels

 #151
20140026396
2014-01-30

Method for manufacturing an ultrasonic transducer

 #152
20140022026
2014-01-23

Oscillator

 #153
20130241356
2013-09-19

PROBE FOR ULTRASONIC DIAGNOSTIC APPARATUS

 #154
20130215722
2013-08-22

ULTRASONIC SENSOR DEVICES, COMPONENT MODULE THEREOF AND METHOD FOR MAKING THE ULTRASONIC SENSOR DEVICE

 #155
20130169111
2013-07-04

Air-coupled ultrasonic sensor

 #156
20130160555
2013-06-27

Transducer device having coupled resonant elements

 #157
20130140956
2013-06-06

Ultrasonic generator

 #158
20130100776
2013-04-25

Method for controlling an ultrasonic sensor and ultrasonic sensor

 #159
20130093578
2013-04-18

VEHICLE EXISTENCE ANNUNCIATOR DEVICE AND METHOD FOR CONTROLLING THE SAME

 #160
20130049535
2013-02-28

ULTRASONIC SENSOR

 #161
20130039516
2013-02-14

Sound production component

 #162
20120320713
2012-12-20

Ultrasonic transducer for use in a fluid medium

 #163
20120286626
2012-11-15

Ultrasonic vibration device

 #164
20120266677
2012-10-25

Ultrasonic transducer for use in a fluid medium

 #165
20120266675
2012-10-25

Method of operating an ultrasonic transmitter and receiver

 #166
20120182137
2012-07-19

VEHICLE WARNING APPARATUS

 #167
20120167689
2012-07-05

Ultrasonic sensor

 #168
20120157888
2012-06-21

Device for generating an ultrasonic field and method of lypolysis

 #169
20120153777
2012-06-21

Ultrasonic, flow measuring device

 #170
20120113758
2012-05-10

Diaphragm and process for producing a diaphragm for an ultrasonic transducer

 #171
20120099404
2012-04-26

Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device

 #172
20120056511
2012-03-08

Ultrasonic transducer

 #173
20110290584
2011-12-01

Ultrasonic sensor

 #174
20110290028
2011-12-01

Ultrasonic sensor

 #175
20110265572
2011-11-03

Ultrasonic transducer, ultrasonic sensor and method for operating an ultrasonic sensor

 #176
20110221304
2011-09-15

Ultrasonic transducer

 #177
20110218594
2011-09-08

Ultrasonic transducer for bi-directional wireless communication

 #178
20110187541
2011-08-04

AUDIBLE ALARM DEVICE AND FIRE ALARM SYSTEM INCLUDING THE SAME

 #179
20110176392
2011-07-21

Signal transmitter device comprising an electrical acoustic signal transmitter

 #180
20110122731
2011-05-26

Transducer device having coupled resonant elements

 #181
20110115337
2011-05-19

Ultrasonic transducer, ultrasonic sensor, method of manufacturing ultrasonic transducer, and method of manufacturing ultrasonic sensor

 #182
20110074246
2011-03-31

Ultrasonic transducer

 #183
20110057545
2011-03-10

High frequency ultrasonic transducer and matching layer comprising cyanoacrylate

 #184
20100315370
2010-12-16

Piezoelectric user interface

 #185
20100309018
2010-12-09

Ultrasonic transducer for a proximity sensor

 #186
20100296692
2010-11-25

Ultrasonic transducer

 #187
20100229649
2010-09-16

Ultrasound sensor with membrane

 #188
20100219722
2010-09-02

Piezo-electric actuator and electronic device

 #189
20100208553
2010-08-19

Hidden ultrasonic transducer with beam angle control for non-contact target detection systems

 #190
20100154546
2010-06-24

Apparatus for determining and/or monitoring a process variable of a medium

 #191
20100148627
2010-06-17

Ultrasonic transducer, ultrasonic transducer array, and ultrasonic device

 #192
20100002542
2010-01-07

Ultrasonic distance-measuring sensor with gap and partition between vibrating surfaces

 #193
20090314575
2009-12-24

Holding device for an ultrasonic transducer

 #194
20090302712
2009-12-10

Ultrasonic sensor having stable anisotropy in directional properties

 #195
20090301205
2009-12-10

Ultrasonic sensor having a cover including a damping element

 #196
20090243886
2009-10-01

Arrangement Comprising a Vehicle Component and at Least One Electroacoustic Transducer, Especially an Ultrasonic Transducer

 #197
20090195123
2009-08-06

Ultrasonic sensor

 #198
20090189488
2009-07-30

Ultrasonic transducer for a proximity sensor

 #199
20090096326
2009-04-16

PIEZOELECTRIC ACTUATOR, ACOUSTIC COMPONENT, AND ELECTRONIC DEVICE

 #200
20090033473
2009-02-05

Piezoelectric buzzer

 #201
20080309201
2008-12-18

Ultrasonic sensor and method for manufacturing the same

 #202
20080303644
2008-12-11

Sounder Assembly for a personal alert safety system

 #203
20080290758
2008-11-27

Ultrasonic sensor and method for manufacturing the same

 #204
20080260187
2008-10-23

Devices and systems including transducers

 #205
20080229830
2008-09-25

Ultrasonic sensor

 #206
20080218030
2008-09-11

Ultrasonic transducer

 #207
20080184802
2008-08-07

Mount structure for sensor device

 #208
20080168841
2008-07-17

Ultrasonic sensor

 #209
20080130416
2008-06-05

Diaphragm cup for an ultrasonic transducer

 #210
20080108900
2008-05-08

Ultrasound transducer apparatus

 #211
20080089177
2008-04-17

Obstacle detecting device

 #212
20080060439
2008-03-13

Ultrasonic sensor and method for the manufacture of an ultrasonic sensor

 #213
20080037818
2008-02-14

Sound emitting device

 #214
20070253582
2007-11-01

Transducer assembly

 #215
20070228893
2007-10-04

Piezoelectric sounding body

 #216
20070205698
2007-09-06

High frequency ultrasonic transducer and matching layer comprising cyanoacrylate

 #217
20070204697
2007-09-06

Ultrasonic sensor having vibrator mounted on substrate

 #218
20070163350
2007-07-19

Ultrasound sensor

 #219
20070157728
2007-07-12

Ultrasonic sensor transmitting and receiving ultrasonic frequencies adjusted according to temperature

 #220
20070115102
2007-05-24

Ultrasound sensor

 #221
20070103034
2007-05-10

Acoustic driver assembly with increased head mass displacement amplitude

 #222
20070057778
2007-03-15

Alarm combining audio signaling and switch functions

 #223
20070052328
2007-03-08

Piezoelectric ceramic composition and piezoelectric elements using the same

 #224
20070017807
2007-01-25

Sensor for a short-range detection system and/or parking system of a motor vehicle and method for the production thereof

 #225
20060284515
2006-12-21

Ultrasonic sensor device and ultrasonic transducer

 #226
20060241474
2006-10-26

Ultrasonic sensor

 #227
20060232165
2006-10-19

Ultrasonic transmitter-receiver

 #228
20060158066
2006-07-20

Ultrasonic sensor

 #229
20060082259
2006-04-20

Method and device for ensuring trandsducer bond line thickness

 #230
20060052143
2006-03-09

Piezoelectric user interface

 #231
20050236938
2005-10-27

Ultrasonic sensor

 #232
20050215907
2005-09-29

Ultrasonic transducer for electronic devices

 #233
20050054932
2005-03-10

Ultrasound transducer

 #234
20050054390
2005-03-10

Piezoelectric user interface

 #235
20050029766
2005-02-10

Sound emitting device

 #236
18370964
2024-09-10

Underwater acoustic projector transducers

 #237
16848939
2021-01-05

Mobile low frequency sound source for underwater communication and navigation

 #238
15362790
2018-08-28

Electromechanical horn for deterring animals

 #239
14194761
2015-03-03

Apparatus and method for orthosonic lift by deflection