| 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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| 07/01/2004 | DE10259099A1 Schallwandler für ein Kraftfahrzeug Acoustic transducer for a motor vehicle |
| 06/30/2004 | EP1432595A1 Acoustic transducer head, acoustic transducer provided with said head and method for acoustic transduction, in particular for a motor vehicle |
| 06/24/2004 | WO2004052075A2 Improved efficiency audible alarm |
| 06/24/2004 | US20040119343 Vibrating actuator and a power supply mechanism thereof |
| 06/23/2004 | EP1431957A2 Ultrasound sensor and method of manufacture |
| 06/23/2004 | EP1431536A1 Acoustic transducer for a motor vehicle |
| 06/22/2004 | US6754360 Signal-horn |
| 06/22/2004 | US6753630 Vibrating actuator and feeding mechanism thereof |
| 06/17/2004 | US20040113758 Sound generator for a parking assistance system |
| 06/17/2004 | US20040113526 Electromechanical transducer and method for transforming energies |
| 06/15/2004 | US6751161 Fluidborne sound projector with sweep cleaning facilities |
| 06/15/2004 | US6750759 Annunciatory signal generating method and device for generating the annunciatory signal |
| 06/10/2004 | WO2004010730A3 Ultrasonic transducer for electronic devices |
| 06/08/2004 | US6748359 Method for transmitting acoustic signals from a memory or chip card, and card for implementing said method |
| 06/03/2004 | WO2004047072A1 Horn holder |
| 06/03/2004 | US20040105564 Electrical acoustic converter |
| 06/01/2004 | US6742713 Access controlled system with acoustic mechanical verification transmitter |
| 05/27/2004 | WO2004043617A1 Piezoelectric vibrator, production method therefor, and equipment provided with this piezoelectric vibrator |
| 05/27/2004 | DE19832072B4 Piezoelektrischer elektroakustischer Konverter A piezoelectric electroacoustic converter |
| 05/26/2004 | EP1421998A1 Vibrating actuator device |
| 05/26/2004 | CN1499483A 电磁声电变换器 Electromagnetic acoustic-electric transducer |
| 05/26/2004 | CN1151702C Electromagnetic voice converter |
| 05/19/2004 | CN1150793C Multi-function acoustic assembly |
| 05/12/2004 | CN2615813Y Electronic hornpipe |
| 05/12/2004 | CN2615812Y Energy-saving micro-acousto-optic steam whistle |
| 05/06/2004 | WO2004039122A1 Electroacoustic transducer with vibration function and its manufacturing method |
| 05/06/2004 | US20040084242 Electromagnetic electroacoustic transducer |
| 05/06/2004 | EP1414590A1 Signal horn with adaptively modifiable operating variables |
| 05/05/2004 | CN1148993C Supporter of sound body |
| 04/29/2004 | US20040081331 Electro-acoustic transducer having vibrating function and method of manufacturing the same |
| 04/28/2004 | CN1148046C Multifunctional converter capable of converting electric signal into vibration of element for portable electronic apparatus |
| 04/20/2004 | US6724908 Method for producing electric-mechanical acoustic converter |
| 04/14/2004 | CN1145923C Piezoelectric electro-acoustic transducer |
| 04/13/2004 | US6720690 Vibration motor holding apparatus and portable electronic equipment having the same |
| 04/06/2004 | US6717305 Apparatus having an electroacoustic transducer forming a sound reproducing means and a part of vibration generating means |
| 03/31/2004 | CN1144501C Piezoelectric acoustic component |
| 03/24/2004 | CN1143594C Miniature electro-acoustic converter |
| 03/23/2004 | US6711097 Driving device for a hydroacoustic transmitter |
| 03/11/2004 | WO2003023760A3 Non-cylindrical acoustic wave device |
| 03/10/2004 | CN2606423Y Automotive horn assembly |
| 03/10/2004 | CN1141857C Electroacoustic transducer |
| 03/03/2004 | CN2605637Y Electronic signalling device for motor-driven cars and boats |
| 02/26/2004 | WO2004017672A1 Sound transducer comprising a small rear volume chamber |
| 02/26/2004 | US20040036580 Honkette courtesy horn |
| 02/25/2004 | CN1477617A 改良型报警器 Improved alarm |
| 02/18/2004 | CN1139299C Piezoelectric electro-acoustic transducer |
| 02/12/2004 | DE20318255U1 Arrangement of ultrasonic generators for animal scares, such as for pine marten repelling, comprises enclosed housing of flat plates with suitable apertures for piezo-loudspeaker system capsules |
| 02/12/2004 | DE20315547U1 Receiving cup for an acoustic signal warning device for machines or vehicles, has piezo element vertically mounted on an inclined plane membrane |
| 02/11/2004 | CN2603478Y Environment protection type electric controlled horn for car |
| 02/10/2004 | US6690621 Active housing broadband tonpilz transducer |
| 02/05/2004 | DE10328380A1 Electroacoustic transducer for communications terminal has relatively small enclosed rear volume for allowing increased miniaturization |
| 02/04/2004 | CN2602457Y Portable loudspeaker |
| 02/04/2004 | CN1472987A Piezo loudspeaker device |
| 02/04/2004 | CN1137452C Acoustic alarm safety device and timing device therewith |
| 01/29/2004 | WO2004010730A2 Ultrasonic transducer for electronic devices |
| 01/29/2004 | DE10153638B4 Ultraschallsensor zur Entfernungsmessung Ultrasound sensor for measuring distance |
| 01/28/2004 | EP1384388A1 Electromechanical transducer and method for transforming energies |
| 01/28/2004 | EP1038290B1 Ultrasonic transducer with a cup-shaped support |
| 01/22/2004 | WO2004007097A1 Acoustic-signal emitting device for vehicles |
| 01/22/2004 | US20040015107 Vortex bubble-lustrating and cooling system for the electromagnetic shock wave generator for the lithocenosis |
| 01/22/2004 | CA2488603A1 Acoustic-signal emitting device for vehicles |
| 01/21/2004 | EP1383108A1 A horn for generating a sound |
| 01/14/2004 | CN2599704Y Water-proof contact electrically operated horn for motor vehicle |
| 01/14/2004 | CN2598803Y Multitone horn controlled by microcomputer for car |
| 01/14/2004 | CN1467489A Electronic clinical thermometer |
| 01/14/2004 | CN1134759C Buzzer driving circuit |
| 01/13/2004 | US6678388 Electroacoustic transducer |
| 01/02/2004 | EP1373933A1 Towed low-frequency underwater detection system |
| 01/02/2004 | EP1275013B1 Ultrasonic sensor |
| 01/01/2004 | US20040000838 Protective housing for ultrasonic transducer apparatus |
| 12/31/2003 | CN2596493Y Electric muliple sound pneumatic horn |
| 12/30/2003 | US6671360 Intercom system for a building or apartment house |
| 12/30/2003 | US6670686 Integrated sound transmitter and receiver, and corresponding method for making same |
| 12/25/2003 | US20030235115 Active housing broadband tonpilz transducer |
| 12/24/2003 | WO2003107324A1 An apparatus for generating of sound and rotating of light by air flow |
| 12/24/2003 | WO2003047766A3 Plug-in type liquid atomizer |
| 12/24/2003 | DE20313650U1 Ultrasound head for treatment of human body, has seal in horizontal direction between oscillating head and can-shaped housing |
| 12/24/2003 | CN1463207A Viberation actuator device |
| 12/24/2003 | CN1132500C Electromagnetic acoustic transducer |
| 12/23/2003 | US6668067 Electroacoustic transducer |
| 12/18/2003 | WO2003049875A3 Electromagnetic shock wave or pressure wave source |
| 12/18/2003 | US20030231696 Electronic clinical thermometer |
| 12/17/2003 | EP1371959A2 Electronic clinical thermometer |
| 12/17/2003 | CN1131014C Eddy-degassing and cooling system for electromagnetic shook-wave generator for stone crusher |
| 12/11/2003 | WO2003102917A1 Device for creating noise in a motor vehicle |
| 12/11/2003 | US20030228021 Acoustic-signal emitting device for vehicles |
| 12/11/2003 | US20030227225 Vibrating actuator device |
| 12/11/2003 | DE20313649U1 Ultrasound head with hard surface and vertical seal, for transmitting ultrasound into human body, has seal formed in vertical direction between vibrating head and housing |
| 12/11/2003 | DE20313648U1 Ultrasound head with diaphragm and internal cover for transmitting ultrasound into human body has disc applied to vibrating head within housing, with space filled with elastic, water-tight compound |
| 12/11/2003 | DE20313647U1 Ultrasound head with diaphragm and integral beading, for transmitting ultrasound into human body has elastic, water-tight compound between housing and vibration-generating element with integral vibrating head |
| 12/10/2003 | CN1130952C Electroacoustic transducer |
| 12/03/2003 | CN2590121Y Automobile electronic horn |
| 12/03/2003 | CN1460352A Arrival alerting device, arrival alterting method, and mobile terminal |
| 12/03/2003 | CN1130106C Multi function earphone telephone device |
| 11/27/2003 | WO2003098565A2 Method and apparatus for adjusting audible and visual outputs of a mounted alarm device |
| 11/26/2003 | EP1365120A1 Acoustic transducer for motor vehicle |
| 11/20/2003 | WO2003007474A3 Adaptive audible alert volume control |
| 11/20/2003 | DE20313336U1 Ultrasonic head with horizontal and vertical seals for initiating ultrasound, in human body has oscillation head secured on ultrasonic oscillations generating element, with both members fitted in pot-shaped housing |
| 11/20/2003 | DE20313332U1 Ultrasonic head for initiating ultrasound in human body, has annular and/or flat diaphragm with outwards and/or inwards depressions on ultrasonic generator with oscillation head |
| 11/19/2003 | EP1363268A2 Sensor, in particular an ultrasound sensor, and its method of manufacture |