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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03/05/1996 | US5497357 Shock-resistant flextensional transducer |
03/05/1996 | US5495766 Ultrasonic sensor |
03/05/1996 | CA2044248C Electric horn with solid state driver |
02/28/1996 | CN2221248Y Multi-direction electronic buzzer |
02/28/1996 | CN2221247Y General-purpose automotive electronic horn circuit |
02/27/1996 | US5495137 Proximity sensor utilizing polymer piezoelectric film with protective metal layer |
02/15/1996 | WO1996004645A1 A warning horn, particularly for motor vehicles |
02/15/1996 | WO1996004644A1 An acoustic warning device, particularly for motor vehicles |
02/15/1996 | CA2196890A1 An acoustic warning device, particularly for motor vehicles |
02/14/1996 | CN2220111Y AC buzzer |
02/08/1996 | DE4424194C1 Ultrasonic transducer for measuring applications in gas or fluid environment |
02/07/1996 | CN2219532Y Alarm for preventing child from kicking quilt in sleep |
01/31/1996 | EP0694824A1 Timepiece with electro acoustic transducer |
01/24/1996 | CN1115556A Production of vibrating objects used in electric acoustic exchanger |
01/24/1996 | CN1115486A Electro-magnetic acoustic exchanger and method for winding coil of same |
01/09/1996 | US5483501 Short distance ultrasonic distance meter |
01/03/1996 | EP0690435A2 Buzzer driving device |
01/03/1996 | CN2216711Y Non-contact electric horn for automotive vehicle |
01/03/1996 | CN2216710Y Non-contact double horn |
12/27/1995 | CN2216288Y Contactless electric horn for car |
12/20/1995 | EP0688144A2 Method of fabricating an electroacoustic transducer |
12/20/1995 | CN2215761Y Loudspeaker for vehicles |
12/19/1995 | US5477101 Downhole acoustic transducer |
12/06/1995 | CN1113009A Proximity sensor utilizing polymer piezoelectric film |
12/05/1995 | US5473307 Transducer apparatus responsive to external perturbation |
11/29/1995 | EP0684098A2 Metal strip casting |
11/28/1995 | CA2150072A1 Metal strip casting |
11/21/1995 | US5469406 Method of emitting very low frequency high power acoustic waves, and corresponding transducers therefor |
11/21/1995 | US5469132 Transducer apparatus responsive to external perturbation |
11/16/1995 | WO1995030982A1 Sounder |
11/16/1995 | WO1995030912A1 Flextensional acoustic source for offshore seismic exploration |
11/16/1995 | WO1995030911A1 Acoustic transmitter |
11/14/1995 | US5467323 Electroacoustic transducer |
11/08/1995 | CN2212241Y Electron horn |
11/02/1995 | EP0679907A2 Short distance ultrasonic distance meter |
11/02/1995 | DE4414591A1 Electromagnetic car horn |
11/01/1995 | CN1030216C Electronic sound-producing device |
10/25/1995 | EP0678853A2 Ultrasonic transducer with asymmetric radiation characteristic |
10/25/1995 | EP0527963B1 Loading of flextensional transducer shells |
10/24/1995 | US5460116 Horn for sportfans |
10/10/1995 | US5457752 Drive system for acoustic devices |
10/10/1995 | US5457437 Sparking free circuit of electric horn |
10/10/1995 | US5457353 For use in a glass-break signaling configuration |
09/21/1995 | DE4409279A1 Acoustic signal source for vehicle horn |
09/20/1995 | CN2208264Y Contactless electric horn of vehicle |
09/13/1995 | CN2207622Y Vehicle, ship electronic horn |
08/30/1995 | EP0669785A1 Electroacoustic transducer and method of winding coil therein |
08/29/1995 | US5446332 Ultrasonic transducer |
08/16/1995 | EP0452427B1 Electric horn with solid state driver |
08/02/1995 | EP0664918A1 Alarm systems |
07/26/1995 | CN2204062Y Electronic horn for vehicle |
07/19/1995 | EP0550684B1 Acoustic transmitter |
07/11/1995 | US5431058 Flexural strain gauge acoustic transducer for deep submersion |
07/05/1995 | CN2202959Y Small horn for cheering |
06/21/1995 | CN1103979A Piezoelectric buzzer |
06/15/1995 | WO1995016248A1 A siren unit |
06/14/1995 | EP0657868A1 Process and transducer for emitting very low frequency acoustic waves with high power |
06/13/1995 | US5425002 Acoustic pressure pulse generator |
05/30/1995 | US5420563 Motor-vehicle horn |
05/24/1995 | CN2198651Y General electromic horn for automobile |
05/23/1995 | US5418518 Animal warning device |
05/18/1995 | DE4338633A1 Sound generating device e.g for fanfare at sports locations |
05/16/1995 | US5416751 Electroacoustic transducer |
05/10/1995 | CN2196809Y Electronic loudspeaker for vehicle |
04/26/1995 | EP0650308A1 Electroacoustic transducer and method of fabricating the same |
04/12/1995 | CN2194295Y Steering wheel type horn button |
03/30/1995 | DE4434692A1 Ultrasonic sensor |
03/29/1995 | CN2193581Y Electronic horn |
03/29/1995 | CN2193580Y Energy-saving contactless automobile electrical horn |
03/29/1995 | CN1100831A Contactless electronic hooter for DLA series automobiles |
03/16/1995 | WO1995007529A1 Ultrasonic transducer with adapter |
03/15/1995 | EP0642843A1 Proximity sensor utilizing polymer piezoelectric film |
03/15/1995 | CN1027949C Acoustic transmitter |
03/14/1995 | CA2091892C Acoustic transmitter |
02/28/1995 | US5394479 Sounding apparatus with surface mounting terminals |
02/16/1995 | DE4330747C1 Ultrasonic transducer and method for producing it |
02/02/1995 | CA2167695A1 Device for feeding an electric load |
02/01/1995 | CN2188795Y Gas horn for vihicle |
01/26/1995 | DE4324331A1 Supply system for feeding electrical bulb having specified rated voltage |
01/12/1995 | DE4404020A1 Acoustic signal transmitter, in particular electromagnetic motor horn |
01/11/1995 | EP0578787A4 Method and apparatus for adjusting vehicle horns. |
01/04/1995 | CN2186947Y Contactless electrical horn |
12/28/1994 | EP0547060B1 Ultrasonic transducer for measuring the travel times of ultrasonic pulses in a gas |
12/28/1994 | CN2186431Y Wind instrument with top adjusting |
12/27/1994 | US5376916 Buzzer damping sound producing device |
12/21/1994 | CN2185915Y Vehicle electrical hooter |
12/20/1994 | US5375101 Electromagnetic sonar transmitter apparatus and method utilizing offset frequency drive |
12/20/1994 | US5374236 Electromagnetic pressure pulse source |
12/06/1994 | CA1333419C Flextensional transducers |
11/30/1994 | EP0626090A1 Automotive vehicle tone generator |
11/09/1994 | EP0623913A2 Electroacoustic transducer |
11/09/1994 | CN2182442Y Buzzing slice type signal converter |
11/08/1994 | US5363346 Conforming tuning coupler for flextensional transducers |
11/02/1994 | EP0622776A2 Electromagnetic signal horn |
11/02/1994 | CN2181728Y Electric transistor horn for motor-vehicle |
10/19/1994 | EP0620545A1 Electrical switch for an acoustical warning device |
10/18/1994 | US5355830 Rechargeable air horn and method of using the same |
10/12/1994 | CN2179621Y Self-control low pressure air horn |
10/02/1994 | CA2120188A1 Switching means for an audible warning signal generator |
09/27/1994 | US5350352 Acoustic pressure pulse generator |