Patents
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)
03/2003
03/05/2003CN1399947A Ultrasonic beautifying device
03/05/2003CN1102789C An acoustic warning device, particularly for motor vehicles
03/04/2003US6529611 Multifunction acoustic device
02/2003
02/27/2003US20030039352 Receiver, method, program and carrier signal for adapting the sound volume of an acoustic signal of an incoming call
02/20/2003US20030034714 Piezoelectric electroacoustic transducer
02/13/2003WO2003011482A1 Signal horn with adaptively modifiable operating variables
02/13/2003US20030032899 Ultrasonic cosmetic device
02/12/2003EP1283516A2 Ultrasonic transducer with a drivable membrane and with a piezo-vibrator arranged on the membrane
02/12/2003CN1396753A Piezoelectric electroacoustic transducer and its manufacturing method
02/12/2003CN1396752A Piezoelectric electroacoustic transducer
02/11/2003US6516741 Leak proof apparatus for mounting components to panels
02/06/2003US20030028129 Method and apparatus for producing shock waves for medical applications
02/05/2003EP0976117B1 Sounder
01/2003
01/30/2003US20030021458 Piezoelectric electroacoustic transducer and manufacturing method of the same
01/29/2003EP1280135A1 Sound emitting device
01/29/2003EP1279394A1 Ultrasonic cosmetic device
01/29/2003EP0993344B1 Ultrasonic transducer
01/23/2003WO2003007474A2 Adaptive audible alert volume control
01/23/2003US20030015942 Piezoelectric electroacoustic transducer
01/22/2003EP1278360A1 Adaptation of the volume of an incoming ringing acoustic signal to the environment
01/22/2003EP0835462B1 Electrodynamic driving means for acoustic emitters
01/22/2003CN2532552Y 电子信号喇叭 Electronic signal horn
01/16/2003US20030013495 Adaptive audible alert volume control
01/15/2003EP1275013A1 Ultrasonic sensor
01/15/2003CN2531497Y Novel piston type electro air whistle
01/07/2003US6504940 Connecting device for connecting a sound producing device to an electronic equipment
01/07/2003US6504471 Transducer apparatus responsive to external perturbation
01/02/2003EP1269461A1 Actuating device
12/2002
12/31/2002US6501845 Electroacoustic transducer
12/19/2002WO2002100561A1 Vibrating actuator device
12/18/2002EP1266539A1 Acoustic transducer panel
12/12/2002DE10149169C1 Acoustic modulator head for fitting to a motor vehicle's internal combustion engine has an inlet opening for a feeder line, a membrane, an acoustic dispersing area and an airtight separator panel dividing a casing into two sections.
12/12/2002DE10136182C1 Signaling horn for adapting an operating value tune-in to a preset set point value has a switch to control an exciter current regarding pulse frequency/pulse duty factor and a control circuit to detect an operating value.
12/11/2002EP1265222A1 Housing for an ultrasonic sensor with separately prepared cylinder and vibration part
12/11/2002EP0910317B1 Surgical instrument for mechanical removal of bone cement
12/05/2002US20020180593 Buzzer-driving apparatus
12/05/2002US20020180316 Piezoelectric ultrasonic transducer comprising a housing and an insulating layer
12/04/2002CN1383393A Vibration generating device cellular phones using same
11/2002
11/28/2002US20020176556 Intercom system for mansion/apartment house
11/28/2002DE10209807A1 Two-way intercom system for living accommodation and lodgings, each domicile-related main station has speech circuit with load impedance connected to common bus
11/28/2002DE10125272A1 Verfahren zur Herstellung eines Ultraschallsensors sowie Ultraschallsensor A method of fabricating an ultrasonic sensor and ultrasonic sensor
11/27/2002EP1260965A2 Method for fabricating an ultrasonic sensor and ultrasonic sensor
11/20/2002CN2521699Y Vehicle horn
11/20/2002CN1094674C Vibratory motor maintainer and portable electronic equipment with same apparatus
11/13/2002EP1256110A1 Signal-horn
11/13/2002CN1379389A Electromagnetic sound generating apparatus
11/05/2002US6477356 Sounding-body holding device
11/05/2002US6476710 Electromagnetic sound generator
10/2002
10/30/2002EP1253044A2 Buzzer driving apparatus
10/30/2002CN2519373Y Wood trump
10/29/2002US6472797 Piezoelectric electro-acoustic transducer
10/24/2002WO2002085065A1 Electromechanical transducer and method for transforming energies
10/17/2002US20020149474 Electronic sports whistle
10/17/2002DE10116169A1 Device to transmit sound from IC engine intake train to interior of motor vehicles has second membrane parallel to first one and closer to intake train
10/16/2002EP0793811B1 Acoustic transmitter
10/15/2002US6465935 Ultrasonic transducer
10/10/2002WO2002080498A1 Arrival alerting device, arrival alerting method, and mobile terminal
10/10/2002WO2002079806A1 Towed low-frequency underwater detection system
10/10/2002DE10116166A1 Active panel, especially vehicle windscreen, has inner panel facing interior elastically joined to outer panel at edges, actuators acting on inner panel to control vibration behavior of inner panel
10/02/2002EP1245133A1 Active housing broadband tonpilz transducer
09/2002
09/24/2002US6456193 Controlling method and apparatus of constant-frequency sound-production of electrical horn
09/18/2002EP1241920A2 Electromagnetic sound producing device.
09/18/2002CN1369876A Sound signal generator and method for generating sound signal
09/12/2002US20020128556 Ultrasonic diagnosis device
09/12/2002US20020126868 Electromagnetic sound producing device
09/11/2002EP1238388A1 Piezoelectric ultrasonic transformer comprising a housing and an insulating layer
09/11/2002CN1090887C Ultrasonic transmitter receiver
09/04/2002CN1366864A Ultrasonic diagnostic device
09/03/2002US6445108 Piezoelectric acoustic component
08/2002
08/29/2002US20020118601 Variable frequency sound generator
08/29/2002DE10106477A1 Ultraschallwandler mit Gehäuse Ultrasonic transducer with housing
08/28/2002CN2508346Y Hall magnet buzzer device
08/27/2002US6439419 Combined drinking cup and horn
08/22/2002WO2002065446A1 Support for an ultrasound transducer comprising a housing
08/20/2002US6438242 Acoustic transducer panel
08/20/2002CA2230129C Alarm tag
08/14/2002EP1178901B1 Sound transmission device for a motor vehicle
08/14/2002EP0896675B1 Acoustic source ii
08/14/2002CN2505934Y Radio alarm door bell receiver
08/13/2002US6433674 Electromagnetic sound generator
08/08/2002US20020105414 Acoustic signal generator, and method for generating an acoustic signal
08/08/2002DE10104590C1 Akustisches Signalerzeugungsgerät und Verfahren zur Erzeugung eines akustischen Signals An acoustic signal producing apparatus and method for generating an acoustic signal
08/07/2002EP0902943B1 Protective cover assembly having sound transmission characteristics
08/07/2002CN1362895A Apparatus having an electroacoustic transducer forming sound reproducing means and part of vibration generating means
08/01/2002US20020101338 Reversing alarm
07/2002
07/31/2002EP1226573A1 Active noise cancellation system with integrated horn function
07/25/2002US20020096973 Class V flextensional transducer with directional beam patterns
07/24/2002EP1224910A2 Ultrasonic diagnosis device
07/18/2002WO2001050811A9 Active housing broadband tonpilz transducer
07/18/2002CA2331536A1 A thin membrane resonator for improved acoustic radiation for any ultrasonic transducer
07/17/2002EP1222653A1 Underwater broadband acoustic transducer
07/17/2002CN1359248A Multi-function acoustic assembly
07/16/2002US6420818 Electroacoustic transducer
07/16/2002US6418792 Pressure compensated transducer
07/11/2002US20020088280 Apparatus for transporting levitated objects
07/11/2002DE10100376A1 Ultraschallwandler für ein Kraftfahrzeug Ultrasonic transducer for a motor vehicle
07/10/2002EP1221689A2 Housing for the ultrasonic transducer for a vehicle
07/10/2002CN1087584C Method for mfg. of electromagnetic sound converter
07/10/2002CN1087583C Method of fabricating electroacoustic transducer
07/04/2002WO2002051322A1 Vortex bubble-lustrating and cooling sysytem for the electromagnetic shock wave generator for the lithocenosis
1 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ... 36