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