| Patents for G10K 9 - Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers (3,562) |
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| 05/26/2010 | CN201481081U Buzzing circuit after water of electric kettle boils |
| 05/26/2010 | CN1409277B Police sound transmitting device |
| 05/25/2010 | US7724127 Sound production controller |
| 05/20/2010 | US20100123368 Film formation method, film formation device, piezoelectric film, piezoelectric device, liquid discharge device and piezoelectric ultrasonic transducer |
| 05/19/2010 | EP2187384A1 Electrical horn |
| 05/19/2010 | CN201477872U buzzer |
| 05/19/2010 | CN201477871U back-up buzzer |
| 05/19/2010 | CN201477870U Horn with light-emitting diodes and lampshade |
| 05/19/2010 | CN101711407A Sounder assembly for a personal alert safety system |
| 05/18/2010 | US7719924 Macrosonic generator for the air-based industrial defoaming of liquids |
| 05/12/2010 | CN1836270B Sensor for vehicle, method for the production thereof and sensor casing |
| 05/11/2010 | US7712430 Electropneumatic horn with air venting channels |
| 05/06/2010 | US20100109480 Method for manufacturing a membrane and object provided with such a membrane |
| 05/05/2010 | CN201449722U Alarm whistle used for submarine |
| 04/29/2010 | US20100101482 Horn guard device for motorcycle |
| 04/28/2010 | CN101699559A Broadband wide-wave-beam longitudinal vibration transducer |
| 04/21/2010 | CN1525434B Vibrator and method for manufacturing the same |
| 04/15/2010 | US20100094105 Piezoelectric transducer |
| 04/14/2010 | CN201438759U Sounder |
| 04/14/2010 | CN201438758U Minitype sounder |
| 04/14/2010 | CN201438366U Backing buzzer for scraper |
| 04/14/2010 | CN201438365U Vehicle active buzzer |
| 04/07/2010 | CN201436655U Non-interference constant magnetic electronic horn |
| 04/01/2010 | WO2010035123A2 An electronic horn for a vehicle |
| 03/31/2010 | CN101685629A Drive circuit of piezo buzzer |
| 03/24/2010 | CN201429978Y Automobile horn |
| 03/24/2010 | CN201429977Y Auto alarming horn |
| 03/24/2010 | CN201429976Y Robot capable of knocking jazz drum |
| 03/24/2010 | CN100595829C Automobile horn |
| 03/18/2010 | US20100067719 Device for actuating a membrane and a vehicle comprising a device for actuating a membrane |
| 03/18/2010 | US20100066207 Ultrasound probe |
| 03/17/2010 | CN201423362Y Automatic frequency-hopping ultrasonic washing machine |
| 03/11/2010 | WO2010026074A2 Sound generator |
| 03/10/2010 | CN201422160Y Ultrathin piezoelectric patch |
| 03/04/2010 | US20100056962 Acoustic Beam Forming in Phased Arrays Including Large Numbers of Transducer Elements |
| 03/04/2010 | DE202009015545U1 Schutzgehäuse für Elektronik Housings for Electronics |
| 03/04/2010 | DE102008041505A1 Schallerzeuger Sound generator |
| 03/03/2010 | EP2158586A1 Piezoelectric transducer device |
| 03/03/2010 | CN201417602Y Buzzer drive circuit |
| 02/24/2010 | CN201410461Y Circular tube type piezoelectricity ultrasound energy converter |
| 02/24/2010 | CN101656068A Buzzer drive circuit, buzzer and electrical appliance with buzzer |
| 02/17/2010 | CN101650937A Large power composite ultraphonic pipe |
| 02/17/2010 | CN101650936A Submarine alarm whistle |
| 02/17/2010 | CN101650935A Optical drive sound producing device |
| 02/10/2010 | EP2150951A2 Sounder assembly for a personal alert safety system |
| 02/04/2010 | WO2010012533A1 Ultrasonic sensor |
| 02/04/2010 | US20100026141 Intracavity ultrasonic probe |
| 02/04/2010 | US20100024713 Air Blown Noisemaker |
| 02/04/2010 | DE102008042852A1 Acoustic signal transmitter e.g. bass horn, for motor vehicle, has generator exciting membrane with basic oscillation, and sound outlet channel dimensioned such that basic oscillation is not intensified as two harmonics of oscillation |
| 02/04/2010 | DE102008041779A1 Electromechanical sound production device e.g. electromechanical fanfare, for producing sound in motor vehicle, has membrane vibrated for producing tones of different frequencies, where frequencies are resonant frequencies of device |
| 02/03/2010 | CN101640041A Method for controlling novel automobile horn |
| 02/03/2010 | CN101640040A Method for controlling novel automotive horn switch |
| 02/03/2010 | CN100587802C Membrane tank for ultrasonic transducer |
| 02/03/2010 | CN100587801C Sounding device for vehicular burglar alarm |
| 02/02/2010 | CA2466803C Plug-in type liquid atomizer |
| 01/27/2010 | EP2148322A2 Ultrasound converter |
| 01/27/2010 | EP2147427A1 Digital audio horn |
| 01/27/2010 | CN201392649Y Improved piezoelectric squealer |
| 01/27/2010 | CN100584669C Motor vehicle bumper having piezoelectric element serving as transmitter and receiver |
| 01/21/2010 | WO2010006794A2 Sound generator |
| 01/21/2010 | US20100016728 Magnetostrictive actuator of a medical ultrasound transducer assembly, and a medical ultrasound handpiece and a medical ultrasound system having such actuator |
| 01/21/2010 | US20100013356 Compliant electroactive polymer transducers for sonic applications |
| 01/21/2010 | DE102008040468A1 Schallerzeuger Sound generator |
| 01/20/2010 | CN201387711Y Piezoelectric ultrasonic wave emitter |
| 01/19/2010 | US7648459 Ultrasonic probe |
| 01/14/2010 | US20100007243 Piezoelectric Component |
| 01/13/2010 | CN201383325Y Vertical piezoelectric sounding device |
| 01/13/2010 | CN201383324Y Piezoelectric sounding device |
| 01/13/2010 | CN201383323Y High acoustic pressure level piezoelectric sounding device |
| 01/13/2010 | CN201380794Y Horn with speed |
| 01/13/2010 | CN100579823C Vehicle horn driving circuit |
| 01/07/2010 | US20100001620 Microstructure of perovskite-type oxide single crystal and method of manufacturing the same, composite piezoelectric material, piezoelectric vibrator, ultrasonic probe, and ultrasonic diagnostic apparatus |
| 01/06/2010 | CN201378423Y Horn used for railway locomotive and CRH train |
| 12/31/2009 | US20090322181 Ultrasonic transducer and method of manufacturing the same |
| 12/30/2009 | CN100576316C Joint gap adjusting method of flat-type siren and its adjusting clamp |
| 12/23/2009 | EP2136357A2 Method and system for driving a signalling device |
| 12/23/2009 | CN201369549Y Horn control circuit |
| 12/23/2009 | CN201369164Y Energy-saving multi-tone electronic horn wire-connecting structure of single wire system |
| 12/23/2009 | CN201369163Y Single-tube air horn |
| 12/23/2009 | CN201366410Y Big power ultrasonic transducer |
| 12/17/2009 | WO2008094677A3 Electronic horn having simulated start and end sounds |
| 12/17/2009 | US20090308487 Ultrasonic Transducer Systems |
| 12/16/2009 | CN101604519A Exhaust system for electronic and electromagnetic sound alarm device |
| 12/16/2009 | CN100570708C Ultra-low frequency underwater acoustic transducer |
| 12/15/2009 | US7633835 High power, motor driven underwater acoustic transducer |
| 12/15/2009 | CA2300765C Pressure tolerant transducer |
| 12/09/2009 | CN201359846Y Long-life elastic piece |
| 12/09/2009 | CN201359845Y Waterproof alarm speaker |
| 12/02/2009 | CN201352919Y Bark control collar |
| 12/02/2009 | CN101593514A Horn of motor vehicle without moving armature |
| 12/02/2009 | CN100565668C Method and tool for adjusting joint gap of flat alarm |
| 11/18/2009 | CN100561575C Dish type transmitting transducer |
| 11/17/2009 | US7620190 Device for actuating a membrane and a vehicle comprising a device for actuating a membrane |
| 11/17/2009 | US7617794 One piece horn cover |
| 11/11/2009 | CN100559407C Portable anti-crime buzzer |
| 11/10/2009 | US7614309 Cup-shaped ultrasonic transducer for a flowmeter |
| 10/29/2009 | US20090267458 Apparatus for preventing eavesdropping using piezoelectric film |
| 10/28/2009 | CN101567185A Horn controller of motor vehicle |
| 10/21/2009 | CN201331912Y Electric horn device with separately mounted thick film controller and electric horn |
| 10/21/2009 | CN100552772C Highly reliable and maintenance-free automobile bowl-shaped loudspeaker |