| 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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| 11/07/2001 | CN1321035A Multifunctional converter capable of converting electric signal into vibration of element for portable electronic apparatus |
| 11/01/2001 | US20010035687 Vibration motor holding apparatus and portable electronic equipment having the same |
| 10/31/2001 | EP1150277A2 Housing for electromagnetic sound generator |
| 10/25/2001 | US20010033224 Electromagnetic sound generator |
| 10/25/2001 | DE10018837A1 Shock wave source comprises has elastically compressible interlayer located between membrane and propagation medium and may consist of fibrous material with fibers orientated perpendicularly to direction of movement of membrane |
| 10/24/2001 | EP1148761A2 Multiple-function transducer |
| 10/23/2001 | US6307300 Piezoelectric acoustic component |
| 10/23/2001 | US6307287 High-efficiency moving-magnet loudspeaker |
| 10/18/2001 | US20010030474 Multi-functional vibration actuator capable of suppressing an unstable operation around a resonance frequency |
| 10/17/2001 | EP1146773A2 Electromagnetic sound generator |
| 10/17/2001 | EP1145770A2 Multi-functional vibration actuator capable of supressing an unstable operation around a resonance frequency |
| 10/17/2001 | CN1317782A Electromagnetic sounder |
| 10/11/2001 | US20010028722 Electroacoustic transducer |
| 10/11/2001 | US20010028602 Method and device for emitting radial seismic waves in a material medium by electromagnetic induction |
| 10/11/2001 | US20010028303 Electromagnetic sound generator |
| 10/10/2001 | EP1143410A2 Sonic head |
| 10/10/2001 | CN1316725A Electroacoustic transducer and making method thereof |
| 10/04/2001 | WO2001072550A1 Reversing alarm |
| 10/03/2001 | CN2451708Y Controllable door ring door lamp observation window |
| 10/02/2001 | US6298012 Doubly resonant push-pull flextensional |
| 09/27/2001 | WO2001070362A1 Noisemaking device |
| 09/27/2001 | DE10012878A1 Acoustic wave generator for producing shock waves for medical use |
| 09/26/2001 | CN2450745Y Mechanical circuit controlled horn |
| 09/26/2001 | CN1071920C Electro-magnetic acoustic exchanger and method for winding coil of same |
| 09/25/2001 | US6294984 Air horn assembly |
| 09/20/2001 | US20010022757 Self biased transducer assembly and high voltage drive circuit |
| 09/13/2001 | WO2001067432A1 Actuating device |
| 09/13/2001 | US20010020856 Buzzer drive circuit |
| 09/12/2001 | CN2447892Y Door bell |
| 09/12/2001 | CN1312540A Connector for sounder |
| 09/05/2001 | EP1130945A2 Electroacoustic transducer |
| 09/05/2001 | CN1311506A Electroacoustic transducer |
| 08/30/2001 | WO2001063595A1 Ultrasound sensor having a pot-shaped oscillating element |
| 08/30/2001 | US20010017923 Electroacoustic transducer |
| 08/30/2001 | US20010017586 Annunciatory signal generating method and device for generating the annunciatory signal |
| 08/30/2001 | US20010017491 Apparatus having an electroacoustic transducer forming a sound reproducing means and a part of vibration generating means |
| 08/30/2001 | DE10009129A1 Ultrasonic sensor has pot-shaped vibration element whose floor acts as membrane with at least two disc-shaped piezoelectric transducers attached to membrane and adjacent to each other |
| 08/29/2001 | EP1128359A1 Electromagnetic electroacoustic transducer |
| 08/29/2001 | CN1310364A Portable articles, such as time-meter, with piezoelectric sensor capable of artifical inputting data |
| 08/28/2001 | US6280650 Piezoelectric ceramic composition, buzzer and actuator using the same |
| 08/23/2001 | WO2001061375A1 Ultrasonic sensor |
| 08/23/2001 | WO2001060530A1 Apparatus having an electroacoustic transducer forming a sound reproducing means and a part of vibration generating means |
| 08/23/2001 | US20010016452 Connecting member for a sound generator |
| 08/23/2001 | DE10007050A1 Ultraschallsensor Ultrasonic sensor |
| 08/21/2001 | US6278658 Self biased transducer assembly and high voltage drive circuit |
| 08/21/2001 | US6276212 Ultrasonic transducer |
| 08/21/2001 | CA2180704C Ultrasonic transducer |
| 08/15/2001 | CN1308312A Buzzer driving circuit |
| 08/14/2001 | US6274955 Vibration motor holding apparatus and portable electronic equipment having the same |
| 08/09/2001 | WO2001057848A1 Signal-horn |
| 08/09/2001 | US20010012239 Electroacoustic transducer |
| 08/08/2001 | EP1122979A2 Electroacoustic transducer |
| 08/01/2001 | EP1120995A2 Electroacoustic transducer and method of manufacturing the same |
| 08/01/2001 | EP1120991A2 Electroacoustic transducer and attachment structure thereof |
| 07/31/2001 | US6268683 Transducer configurations and related method |
| 07/26/2001 | US20010009586 Electroacoustic transducer and method of manufacturing the same |
| 07/26/2001 | US20010009585 Electroacoustic transducer and attachment structure thereof |
| 07/25/2001 | CN1305300A Sound producing apparatus such as telephone |
| 07/24/2001 | US6265965 Communication buzzer |
| 07/24/2001 | US6264660 Surgical instrument for mechanical removal of bone cement, and process for production of shock waves |
| 07/24/2001 | CA2257584C Acoustic transducer system |
| 07/12/2001 | WO2001050811A1 Active housing broadband tonpilz transducer |
| 07/11/2001 | CN2439083Y Alarmer |
| 07/11/2001 | CN1303522A Resonant piezoelectric alering device |
| 07/05/2001 | US20010006488 Electroacoustic transducer and method for manufacturing the same |
| 07/04/2001 | EP1113528A1 Connecting device for connecting a sound producing device to an electronic equipment |
| 07/04/2001 | CN1302171A Electro-acoustic transducer and its producing method |
| 07/03/2001 | US6255937 Notifying device using alternating drive signals |
| 07/03/2001 | US6254451 Game call with volume control |
| 06/28/2001 | WO2001046943A1 Electroacoustic transducer and method of manufacture thereof |
| 06/27/2001 | EP1111959A2 Electroacoustic transducer and method for manufacturing the same |
| 06/27/2001 | CN1301063A Device for connecting speech device with electronical device |
| 06/21/2001 | WO2001045081A1 Piezoelectric ultrasonic transformer comprising a housing and an insulating layer |
| 06/21/2001 | WO2001043889A1 Device for generating ultrasonic waves |
| 06/21/2001 | US20010004398 Connecting device for connecting a sound producing device to an electronic equipment |
| 06/21/2001 | DE19960323A1 Vorrichtung zur Erzeugung von Ultraschallwellen An apparatus for generating ultrasonic waves |
| 06/20/2001 | CN1300514A Communication buzzer |
| 06/14/2001 | WO2001042805A1 Very high sensitivity magnetic sensor |
| 06/14/2001 | WO2001042742A1 Integrated sound transmitter and receiver, and corresponding method for making same |
| 06/05/2001 | US6240671 Game caller kit and method |
| 05/23/2001 | DE10042012A1 Appliance for simulating sound characteristic of engine load in car interior uses vibrating membrane to convert exhaust gas pulsations into sound waves |
| 05/16/2001 | CN1066004C Device for feeding electric load |
| 05/15/2001 | US6233346 Surface-mounted electromagnetic sound generator |
| 05/15/2001 | US6232702 Flextensional metal-ceramic composite transducer |
| 05/15/2001 | US6230420 RMS process tool |
| 05/10/2001 | WO2001033545A1 Active noise cancellation system with integrated horn function |
| 05/02/2001 | EP1096469A2 Ultrasonic vibration apparatus |
| 04/26/2001 | WO2001029820A1 Underwater broadband acoustic transducer |
| 04/26/2001 | US20010000385 Pneumatic valve device |
| 04/25/2001 | EP1094684A2 Sound producing device for an electronic instrument such as a telephone |
| 04/24/2001 | CA2087762C Moment bender transducer |
| 04/11/2001 | CN1291118A Electromagnetic actuator and structure for mounting the same |
| 04/10/2001 | US6215391 Variable frequency buzzer assembly |
| 04/04/2001 | EP1088352A1 Resonant piezoelectric alerting device |
| 04/03/2001 | US6212409 Multifunction earphone-microphone device |
| 03/27/2001 | US6208238 Electromagnetic sound generating body |
| 03/21/2001 | CN1063367C Metal strip continuous casting method and apparatus |
| 03/15/2001 | WO2001019136A1 Acoustic transducer panel |
| 03/15/2001 | WO2001018787A1 Electromagnetic electroacoustic transducer |
| 03/15/2001 | WO2001018509A1 Method and apparatus for energy efficient tacking of resonant devices |