| 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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| 06/03/1998 | CN2283296Y Electronic horn for motorcycle |
| 06/02/1998 | US5760679 Acoustic warning device, particularly for motor vehicles |
| 05/27/1998 | EP0843873A1 Audible warning device with a built-in interference suppressing device |
| 05/26/1998 | US5757728 Acoustic transmitter |
| 05/26/1998 | US5757726 Flextensional acoustic source for offshore seismic exploration |
| 05/20/1998 | CN2282247Y Electronic horn for motor vehicle |
| 05/20/1998 | CN2282246Y Generator for complex tone and changing tone of automobile horn |
| 05/20/1998 | CN1182258A Contact-less electric horn |
| 05/13/1998 | EP0710428B1 Device for feeding an electric load |
| 05/06/1998 | CN2280980Y Electric loudspeaker for vehicle |
| 05/05/1998 | US5747906 Electroacoustic transducer |
| 04/29/1998 | CN2280337Y Contactless electric horn |
| 04/15/1998 | EP0835462A1 Electrodynamic driving means for acoustic emitters |
| 04/15/1998 | CN1038095C Temperature compensation of sound pressure characteristics of electric sound inverter |
| 04/14/1998 | US5737824 Method of manufacturing electroacoustic transducer |
| 04/08/1998 | CN1178443A Miniaturized electro-acoustic transducer with performance decrease minimization |
| 04/01/1998 | EP0594713B1 A motor-vehicle horn |
| 04/01/1998 | CN2277553Y Improved structure of sounding device |
| 04/01/1998 | CN2277552Y Electronic horn of vehicle |
| 04/01/1998 | CN2277551Y Multi-functional electronic vehicle horn |
| 03/25/1998 | CN1177166A Piezoelectric electro-acoustic transducer |
| 03/18/1998 | CN1037807C Electroacoustic transducer |
| 03/17/1998 | US5729075 Tuneable microelectromechanical system resonator |
| 03/17/1998 | US5728089 Microfabricated structure to be used in surgery |
| 03/10/1998 | US5726626 Waterproof acoustic alarm safety device embodied in a wristwatch |
| 03/04/1998 | EP0826157A1 Drive assembly for acoustic sources |
| 03/04/1998 | CN2275750Y Contactless electric horn |
| 02/25/1998 | EP0825799A2 Reduced size electro-acoustic transducer with improved terminal |
| 02/25/1998 | CN1174486A Method of ultrasonic welding for resin-case |
| 02/24/1998 | US5721785 Small-sized sound generator |
| 02/18/1998 | CN2274801Y Contactless sounding controller for electric horn of vehicle |
| 02/18/1998 | CN1173685A Vibration actuator for pager |
| 02/17/1998 | US5719549 Buzzer assembly |
| 02/04/1998 | EP0822537A2 Piezoelectric electro-acoustic transducer |
| 02/04/1998 | EP0821822A1 Piezoelectric horn, particularly for vehicles |
| 02/04/1998 | CN2273886Y Electronic and multi-frequency horn |
| 01/29/1998 | WO1998003964A1 A device for generating sound |
| 01/28/1998 | EP0821342A2 Electromagnetic shockwave generator |
| 01/28/1998 | CN2273448Y Device for preventing accomplice from ganging up to make a false confession |
| 01/27/1998 | US5712452 Sound generator |
| 01/22/1998 | WO1998002871A1 Piezo-electric actuator-transducer for sound reproduction systems |
| 01/22/1998 | DE19627047C1 Electromagnetic shock wave source circuit |
| 01/21/1998 | EP0610380B1 Horn for sportfans |
| 01/21/1998 | CN1170896A Method and device for monolithic processor controlled sounding and frequency stabilizing electric horn |
| 01/14/1998 | CN2272604Y Sealed type electromagnetic buzzer |
| 01/07/1998 | EP0816053A2 A method of ultrasonic welding for a resin case |
| 01/06/1998 | US5704154 Weapon mounted game caller |
| 12/31/1997 | WO1997050077A1 Acoustic transducers using a working fluid |
| 12/31/1997 | CN1169093A Miniature electro-acoustic converter |
| 12/30/1997 | US5703335 Marine horn assembly for mounting on a boat wall structure |
| 12/30/1997 | CA2090806C Sound dampening device for horns |
| 12/24/1997 | WO1997048353A1 Surgical instrument for mechanical removal of bone cement, and process for production of shock waves |
| 12/23/1997 | US5701277 Electro-acoustic transducers |
| 12/17/1997 | CN1168074A Electroacoustic transducer |
| 12/10/1997 | CN2270264Y Horn sound volume balancing controller |
| 12/10/1997 | CN1167418A Electro-acoustic conversion device |
| 12/04/1997 | WO1997045829A1 Protective cover assembly having sound transmission characteristics |
| 11/26/1997 | CN2268976Y Long service life electric automobile horn |
| 11/18/1997 | CA2090481C Weighted transducer and driving circuit with feedback |
| 11/12/1997 | EP0806182A1 Hand tool for use in lithotripsy |
| 11/12/1997 | CN1164951A Sounder |
| 11/06/1997 | WO1997041454A1 Acoustic source ii |
| 11/06/1997 | WO1997041453A1 Acoustic source i |
| 11/05/1997 | CN1036326C Contact-type electric horn circuit for motor-vehicle |
| 10/29/1997 | CN2266181Y Auto-controlled contactless electronic horn for motor-vehicle |
| 10/29/1997 | CN1163446A General self-powered horn |
| 10/22/1997 | EP0802521A2 Transducer for sending and/or receiving of acoustic signals |
| 10/15/1997 | EP0800656A1 Acoustic emission method for sonars |
| 10/15/1997 | CN2264953Y Rotary piston modulating sound generator |
| 10/15/1997 | CN1162165A Thick-film electric-circuit block contactless electric loudspeaker and three-wire wiring method of same |
| 10/14/1997 | US5677679 Sound device for message decoder |
| 10/14/1997 | US5675885 Method of winding a coil for an electroacoustic transducer |
| 10/09/1997 | DE19630180C1 Shock wave source, for use in e.g. hand-held therapeutic apparatus |
| 10/01/1997 | CN2263815Y Multifunction electronic klaxon |
| 09/24/1997 | CN2263387Y Variable sound pocket siren |
| 09/23/1997 | US5670932 Piezoelectric sounder |
| 09/17/1997 | EP0796034A2 Piezoelectric acoustic transducer |
| 09/17/1997 | CN1159727A Calling device with low-voltage alarm device |
| 09/16/1997 | US5668783 For use in an alarm |
| 09/10/1997 | EP0793811A1 Acoustic transmitter |
| 09/03/1997 | EP0793216A2 Pressure chamber driver |
| 09/03/1997 | CN1158664A An acoustic warning device, particularly for motor vehicles |
| 09/02/1997 | US5662064 High acoustic output horn |
| 09/02/1997 | CA1339427C Piezoelectric buzzer and a method of manufacturing the same |
| 08/27/1997 | EP0791405A2 Vibration actuator for pager |
| 08/20/1997 | EP0790752A1 Sounder |
| 08/20/1997 | CA2197534A1 Vibration actuator for pager |
| 08/19/1997 | US5659288 Method for setting horn air gap |
| 08/12/1997 | US5656779 Apparatus and method for producing structural and acoustic vibrations |
| 07/30/1997 | CN1155724A Contactless electric horn |
| 07/29/1997 | US5652735 Acoustic source assembly |
| 07/24/1997 | WO1997026646A1 Damped ultrasonic transducer |
| 07/24/1997 | DE19601656A1 Bedämpfter Ultraschallwandler Damped ultrasonic transducer |
| 07/23/1997 | CN2258306Y Contactless electric vehicle hooter |
| 07/08/1997 | US5646470 Acoustic transducer |
| 06/24/1997 | US5642333 Electroacoustic transducer and method of winding coil therein |
| 06/18/1997 | CN2256577Y Contactless electronic horn |
| 06/18/1997 | CN2256576Y Small diaphragm air horn |
| 06/18/1997 | CN1152159A Digital multi-tone contactless electronic vehicle horn |
| 06/17/1997 | US5638767 Handheld warning device |