| 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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| 06/17/1997 | CA2105491C Acoustic transducer |
| 06/17/1997 | CA2084205C Vehicle horn with electronic solid state energizing circuit |
| 06/03/1997 | US5636182 Portable ultrasonic underwater sensor |
| 05/22/1997 | DE19609443C1 Ultrasound converter e.g. for non-destructive testing |
| 05/21/1997 | EP0774880A2 Electroacoustic transducer |
| 05/21/1997 | CN2254583Y Digital multitone contactless electronic horn for vihicle |
| 05/14/1997 | EP0772868A1 An acoustic warning device, particularly for motor vehicles |
| 05/07/1997 | CN2253858Y Contactless electric horn for vehicle |
| 04/29/1997 | US5625700 Method of farbicating an electroacoustic transducer |
| 04/29/1997 | US5625248 Piezoelectric buzzer |
| 04/17/1997 | WO1997014125A1 Alarm tag |
| 04/02/1997 | CN2251183Y Electronic loadspeak |
| 04/02/1997 | CN2251182Y Frame base structure for loadspeak |
| 03/26/1997 | EP0764895A1 Sound generator, in particular for time piece |
| 03/26/1997 | CN2250567Y Buzzer with positive and negative pole detecting structure |
| 03/22/1997 | CA2186069A1 Sound generator in particular for a timepiece |
| 03/19/1997 | CN2249945Y Electronic horn |
| 03/19/1997 | CN2249944Y Contactless electronic horns of vehicles working at wide temperature ranges |
| 03/18/1997 | US5612930 Ultrasonic transducer |
| 03/13/1997 | WO1997009860A1 Sounder |
| 03/12/1997 | EP0762800A2 Lead frame for electroacoustic transducer and electroacoustic transducer |
| 03/12/1997 | EP0762381A1 Electroacoustic flextensional transducer |
| 03/06/1997 | WO1997008761A1 Ultrasonic transducer units for web edge detection |
| 03/06/1997 | DE19631667A1 Electromechanical buzzer with rotatable sound strength control |
| 02/27/1997 | WO1997007495A1 Method for adjusting automotive horns |
| 02/25/1997 | US5606304 Structure of magnet type sounder of an electronic acoustic alarm |
| 02/19/1997 | EP0758455A1 Flextensional acoustic source for offshore seismic exploration |
| 02/18/1997 | US5604718 Timepiece Comprising an electro-acoustic transducer |
| 02/13/1997 | WO1997005601A1 Audible warning device with a built-in interference suppressing device |
| 02/12/1997 | EP0758107A1 Timer alarm device |
| 02/05/1997 | CN1142099A Air-gap setting method for horn |
| 01/28/1997 | US5598050 Acoustic actuator and flextensional cover plate there for |
| 01/16/1997 | WO1997001770A1 Electrodynamic driving means for acoustic emitters |
| 01/16/1997 | CA2222370A1 Electrodynamic driving means for acoustic emitters |
| 01/15/1997 | CN2245256Y Electric horn |
| 01/15/1997 | CN2245255Y Nonpolarity ac and dc electronic horn |
| 01/15/1997 | CN1140288A Acoustic alarm safety device |
| 01/07/1997 | US5592145 Electromagnetic signal horn |
| 01/07/1997 | CA2105070C Method and apparatus for adjusting vehicle horns |
| 01/02/1997 | EP0751489A2 A flextensional transducer having a strain compensator |
| 12/17/1996 | US5584338 Metal strip casting |
| 12/03/1996 | US5581623 Electroacoustic transducer and method of fabricating the same |
| 11/21/1996 | WO1996036888A1 Drive assembly for acoustic sources |
| 11/20/1996 | CN2240768Y Contactless internal-grounding double-sound electric speaker electronic socillation booster |
| 11/20/1996 | CN2240767Y Contactless external grounding double-sound electric speaker electronic oscillation booster |
| 11/06/1996 | EP0741344A1 Security device with acoustic alarm |
| 10/23/1996 | CN1134002A Signalizing device for domestic electric appliance |
| 10/15/1996 | US5566132 Acoustic transducer |
| 10/10/1996 | WO1996031869A1 Piezoelectric horn, particularly for vehicles |
| 10/09/1996 | EP0507892B1 Ultrasonic transducer |
| 10/09/1996 | CN1132994A Manufacturing method of electromagnetic sound converter and electronic device using the converter |
| 09/25/1996 | EP0733247A1 A siren unit |
| 09/18/1996 | EP0560811B1 Signalling device |
| 09/12/1996 | WO1996027863A1 A device for generating sound |
| 09/12/1996 | DE19507650A1 Ultrasonic sensor for determining distance of objects with pan shaped housing |
| 09/11/1996 | CN1130855A Electromagnetic sound converter and electronic apparatus using same |
| 09/04/1996 | CN1130281A Piezoelectric sounder |
| 08/28/1996 | CN1129891A Miniature speeching body |
| 08/28/1996 | CN1129820A Timepiece comprising an electro-acoustic transducer |
| 08/21/1996 | CN2233616Y Electronic control vehicle horn |
| 08/14/1996 | EP0568592B1 Flextensor acoustic transducer for deep immersion |
| 08/13/1996 | US5546361 Directional electro-acoustic transducers comprising a sealed sell consisting of two portions |
| 08/01/1996 | DE19502487A1 Electromagnetically operated acoustic signal generator for vehicle |
| 07/31/1996 | EP0724243A1 Apparatus and method for producing structural and acoustic vibrations |
| 07/30/1996 | US5541894 Low distortion hydrophone |
| 07/30/1996 | US5540702 Stone crushing device |
| 07/24/1996 | CN1127580A Device for feeding an electric load |
| 07/17/1996 | CN2231442Y Calling device for baby kick-off quilt |
| 07/17/1996 | CN2231441Y Electronic pulse motor vehicle horn |
| 07/04/1996 | WO1996020415A1 Acoustic emission method for sonars |
| 07/04/1996 | CA2208982A1 Acoustic emission method for sonars |
| 06/19/1996 | CN2229706Y Contactless electric horn |
| 06/19/1996 | CN2229382Y Integral electric control steam horn |
| 06/19/1996 | CN1032096C Thin Buzzer |
| 06/12/1996 | EP0716407A2 Flextensional electroacoustic transducer |
| 06/12/1996 | CN2229100Y Contactless electronic horn |
| 06/05/1996 | EP0546143B1 Weighted transducer and driving circuit with feedback |
| 05/29/1996 | CN2228262Y Automatic charging clevice for telephone |
| 05/22/1996 | EP0601110B1 Drive system for acoustic devices |
| 05/22/1996 | CN2227867Y Non-contact electric horn |
| 05/09/1996 | WO1996013869A1 Microfabricated acoustic source and receiver |
| 05/08/1996 | EP0710428A1 Device for feeding an electric load |
| 05/08/1996 | CN2226796Y Electronic hooter for vehicle |
| 05/07/1996 | US5515343 Electro-acoustic transducers comprising a flexible and sealed transmitting shell |
| 05/07/1996 | US5515341 Proximity sensor utilizing polymer piezoelectric film |
| 05/01/1996 | CN2226332Y Contactless electronic vehicle hooter |
| 04/24/1996 | CN2225719Y Electron horn for automobile |
| 04/18/1996 | DE19509005C1 Acoustic pressure impulse generator |
| 04/17/1996 | CN2225086Y A.C. hidden door ring equipped with electric socket |
| 04/17/1996 | CN1120793A Method of fabricating an electroacoustic transducer |
| 04/16/1996 | US5508976 Low frequency underwater acoustic transducer |
| 04/10/1996 | EP0706301A2 Small-sized sound generator |
| 04/10/1996 | EP0706300A2 Electroacoustic transducer and electronic equipment using the same |
| 04/04/1996 | DE4435296A1 Vehicle with IC engine |
| 04/03/1996 | CN2223860Y Fire-proof type horn on roof |
| 04/03/1996 | CN1119567A Metal strip casting |
| 04/02/1996 | US5503101 Audible push-up detector |
| 03/27/1996 | CN2223517Y Electronic horn module |
| 03/07/1996 | WO1996006688A1 Proximity sensor utilizing polymer piezoelectric film with protective metal layer |
| 03/06/1996 | CN1118129A Electracoustic transducer and method of fabricating the same |