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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07/13/2006 | DE10018837C5 Stosswellenquelle Shock wave source |
07/12/2006 | CN2796014Y Multiple track signal electric peak acoustics |
06/29/2006 | US20060139153 Efficiency audible alarm |
06/29/2006 | US20060139152 Multi-frequency fire alarm sounder |
06/28/2006 | EP1675099A1 Horn |
06/28/2006 | CN2792073Y Automatic frequency adjusting multiphone loudspeaker |
06/27/2006 | US7066029 System and method for improved volume measurement |
06/21/2006 | EP1672617A1 Cup capable of being used as a wind instrument |
06/21/2006 | EP1373933B1 Towed low-frequency underwater detection system |
06/21/2006 | CN1791280A Novel piezo-electric ceramic sounding element |
06/20/2006 | US7063040 Portable air horn apparatus |
06/15/2006 | WO2006062490A1 Sound generator equipped with a horn |
06/14/2006 | CN1259153C Vibration actuator device |
06/13/2006 | US7062062 Electromagnetic sound producing device |
06/07/2006 | EP1350242B1 Sound generator for a parking assistance system |
06/07/2006 | CN2786894Y Novel piezo-electric ceramic phonating component |
05/31/2006 | CN2785297Y Electric horn swing adjuster |
05/24/2006 | EP1289798B1 Reversing alarm |
05/23/2006 | US7050578 Sound producing device for an electronic instrument such as a telephone |
05/23/2006 | US7048699 Non-cylindrical acoustic wave device |
05/09/2006 | US7042138 Piezoelectric acoustic transducer |
05/04/2006 | DE102004051558A1 Pulsed directional sound generator for insect repulsion has pulse generators connected to gas flow guides with acoustic inserts |
05/03/2006 | EP1245133A4 Active housing broadband tonpilz transducer |
05/02/2006 | US7038576 Electropneumatic horn |
05/02/2006 | US7038285 Very high sensitivity magnetic sensor |
04/26/2006 | CN2775794Y Mechanical electric horn |
04/20/2006 | US20060082231 Vibration generator and electronic apparatus |
04/13/2006 | DE10341213B4 Schalldiffusoranordnung für ein Lautsprechersystem Sound diffuser arrangement for a speaker system |
04/12/2006 | CN2771972Y Horn |
04/12/2006 | CN2771971Y Canstant frequency debug-free crossing alarm sounder |
04/05/2006 | CN1250036C Capacitor type mic structure |
04/04/2006 | US7021560 System and method for aerosol delivery |
03/30/2006 | DE202006001192U1 Monotone horn-like wind instrument for use by e.g. supporters at sport events has locking nipple and matching locating hole |
03/29/2006 | CN1248188C Electromagnetic sound generating apparatus |
03/29/2006 | CN1247971C Electronic clinical thermometer |
03/28/2006 | US7020295 Piezoelectric electroacoustic transducer and manufacturing method of the same |
03/23/2006 | DE202005020450U1 Noise producing toy uses drinks cup or food container with loop attached to base to make noise when rubbed with finger |
03/15/2006 | CN2765285Y Contact point type electronic horn for automobile |
03/15/2006 | CN1747850A Metter apparatus for vehicles |
03/09/2006 | DE19937195B4 Ultraschallwandler Ultrasonic transducer |
03/09/2006 | DE10308887B4 Hupe Horn |
03/08/2006 | CN2763934Y Vehicle electric horn structure with water proof function |
03/08/2006 | CN2763933Y Low db gentle horn for motor vehicle |
03/07/2006 | US7010142 Electrical acoustic converter |
03/07/2006 | US7009326 Ultrasonic vibration apparatus use as a sensor having a piezoelectric element mounted in a cylindrical casing and grooves filled with flexible filler |
03/01/2006 | CN1244089C Electric sound transducer |
03/01/2006 | CN1244088C Electric sound transducer |
02/28/2006 | US7006641 Driving circuit, electro-mechanical-acoustic transducer, and portable terminal apparatus |
02/24/2006 | CA2516607A1 Contact for a vehicle horn circuit |
02/23/2006 | DE10007455B4 Piezoelektrisches akustisches Bauteil A piezoelectric acoustic component |
02/22/2006 | EP1508136B1 Device for creating noise in a motor vehicle |
02/22/2006 | CN2760705Y Electric horn |
02/16/2006 | DE102004000019A1 Vorrichtung zur Geräuschübertragung Apparatus for noise transmission |
02/15/2006 | EP0733247B1 A siren unit |
02/15/2006 | CN2758925Y Environment protection D/A pulse width modulating loudspeaker for vehicle |
02/14/2006 | CA2380244C Piezoelectric acoustic alarm |
02/08/2006 | CN1240570C Electromechanical warning horn system |
02/01/2006 | EP1622127A2 Shock wave generator and shock-wave treatment apparatus |
02/01/2006 | CN2755725Y Electric loundspeaker for preventing and limiting membrane displacement and deformation |
02/01/2006 | CN1240203C Piezoelectric electroacoustic transducer |
01/26/2006 | WO2006009279A1 Piezoelectric sound producing unit |
01/26/2006 | WO2006007797A1 Electronic sound producing device |
01/25/2006 | EP1619659A1 Device for transmitting sound |
01/19/2006 | DE102004031310A1 Membrantopf für einen Ultraschallwandler Diaphragm cup for an ultrasonic transducer |
01/11/2006 | CN2751499Y Surface mounted piezoelectric ceramic electroacoustic element |
01/05/2006 | WO2006000494A1 Membrane well for an ultrasonic transducer |
01/05/2006 | US20060001113 Magnetic sensor of very high sensitivity |
01/04/2006 | EP1414590B1 Signal horn with adaptively modifiable operating variables |
01/03/2006 | US6981952 Apparatus for generating acoustic waves |
12/14/2005 | CN1707607A Horn for environment protection digifax pulsewidth modulation vehicle |
12/08/2005 | WO2005116989A1 Acoustic sound producer |
12/07/2005 | EP1603114A2 Packaged piezoelectric exciter module |
12/07/2005 | CN1230797C Electro-acoustic transducer |
11/30/2005 | CN1229771C Electromagnetic sounder |
11/22/2005 | US6966694 Electronic clinical thermometer |
11/16/2005 | CN1227952C Driver circuit, and method for operating same |
11/10/2005 | WO2005052519A3 Ultrasound flow meter |
11/10/2005 | DE102005017536A1 Ultraschallsensor Ultrasonic sensor |
11/09/2005 | EP1593554A2 Multi-function motor vehicle bumper |
11/09/2005 | EP1593553A1 Motor-vehicle bumper having piezoelectric elements acting both as detectors and as emitters |
11/09/2005 | CN2739759Y 电子哨 Electronic Whistle |
11/09/2005 | CN1693120A Multifunction motor vehicle beam |
11/03/2005 | US20050242596 Multi-function motor-vehicle bumper |
11/02/2005 | CN1692384A Method and apparatus for adjusting audible and visual outputs of a mounted alarm device |
11/02/2005 | CN1691134A Highly reliable and maintenance-free automobile bowl-shaped loudspeaker |
11/01/2005 | US6960868 Piezoelectric electro-acoustic transducer and manufacturing method of the same |
10/27/2005 | US20050236938 Ultrasonic sensor |
10/26/2005 | CN2736880Y High reliability maintenance-free automobile basin-shaped loudspeaker |
10/26/2005 | CN1225147C Calling device with low-voltage alarm device |
10/20/2005 | WO2005098982A1 Electronic drive system for a droplet spray generation device |
10/20/2005 | US20050231068 Transmitting apparatus, sound sensor and autonomous traveling vehicle |
10/19/2005 | CN2735499Y Singing circuit capable of generating soft music sound |
10/19/2005 | CN2735498Y A novel oxidation-proof and water-proof electronic horn for automobile |
10/19/2005 | CN1684776A Piezoelectric vibrator, production method therefor, and equipment provided with this piezoelectric vibrator |
10/19/2005 | CN1684364A Sound volume regulator for buzzer |
10/19/2005 | CN1683189A Intelligent automobile horn sirening system controlled by speed |
10/18/2005 | US6956792 Openwork shell projector |
10/13/2005 | US20050223801 Apparatus for generating and measuring bending vibration in a non-ferromagnetic pipe without physical contact |
10/12/2005 | EP1256110B1 Signal-horn |
10/12/2005 | CN2733511Y Flame-proof buzzer |