H04R 1 - Details of transducers

Patents for H04R 1 - Details of transducers (42,173)
10/2001
10/23/2001	US6307946 Miniature microphone component
10/23/2001	US6307943 Electro-acoustic transducer and housing
10/23/2001	US6307942 Panel-form microphones
10/23/2001	US6305892 Fastening system for speaker grilles
10/23/2001	US6305654 Clamping holder
10/18/2001	WO2001078476A1 Sound enhancing speaker cabinet for a removable speaker assembly
10/18/2001	WO2001078446A1 Microphone with range switching
10/18/2001	WO2001078444A1 Dynamic enclosure
10/18/2001	WO2001078443A2 Earset communication system
10/18/2001	WO2001078442A2 Earphones and microphone (personal speaking device) that do not transmit or emit microwave radiation or any other dangerous radiation
10/18/2001	WO2001078353A2 Method and apparatus for a hearing aid coupling system
10/18/2001	WO2001078243A1 Radiation-free cellular telephone system
10/18/2001	WO2001078060A2 Rhythmic apparatus, rhythmic accompaniment method and electronic transducer
10/18/2001	US20010031061 Speaker apparatus with dual compartment enclosure and internal passive radiator
10/18/2001	US20010031060 Compact speaker system
10/18/2001	US20010031059 Cabinet for audio devices
10/18/2001	US20010031056 Electroacoustic transducer and structure for mounting an electroacoustic transducer
10/18/2001	US20010030474 Multi-functional vibration actuator capable of suppressing an unstable operation around a resonance frequency
10/18/2001	US20010030078 Accoustic chamber integrated with vehicle door
10/18/2001	CA2444128A1 Earphones and microphone (personal speaking device) that do not transmit or emit microwave radiation or any other dangerous radiation
10/18/2001	CA2405189A1 Radiation-free cellular telephone system
10/17/2001	EP1146772A2 Electroacoustic transducer and structure for mounting an electroacoustic transducer
10/17/2001	EP1146770A2 Loudspeaker and method for the preperation thereof
10/17/2001	EP1145770A2 Multi-functional vibration actuator capable of supressing an unstable operation around a resonance frequency
10/17/2001	EP1145592A2 Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device
10/17/2001	EP1145382A2 Passive radiator with mass elements
10/17/2001	EP1144525A2 Panel-shaped loudspeaker
10/17/2001	EP0700620B1 Audio-visual arrangement and system in which such an arrangement is used
10/17/2001	CN2455028Y High-fidelity voice
10/17/2001	CN2455027Y Voice box with muscial instrument top face
10/17/2001	CN2455026Y Two-way microphone rest-stand
10/17/2001	CN2455025Y Adjustable two-way microphone
10/17/2001	CN1317920A Electroacustic converter and structure for connecting same
10/17/2001	CN1073030C Automobile sound producing device
10/16/2001	US6304661 Loudspeakers comprising panel-form acoustic radiating elements
10/16/2001	US6304222 Radio communications handset antenna arrangements
10/11/2001	WO2001076342A1 Portable radio apparatus
10/11/2001	WO2001076319A2 Method and apparatus for voice signal extraction
10/11/2001	WO2001075474A2 Method and apparatus for discriminating ultrasonic echoes using wavelet function processing
10/11/2001	WO2001075353A1 Device for orienting and moving a camera or a microphone in space
10/11/2001	WO2001037435A3 Super directional beamforming design and implementation
10/11/2001	US20010028724 Speaker system
10/11/2001	US20010028722 Electroacoustic transducer
10/11/2001	US20010028720 Null adaptation in multi-microphone directional system
10/11/2001	US20010028718 Null adaptation in multi-microphone directional system
10/11/2001	US20010027896 Sound reproduction apparatus for use in vehicular audio applications
10/11/2001	CA2404071A1 Method and apparatus for voice signal extraction
10/11/2001	CA2403717A1 Method and apparatus for discriminating ultrasonic echoes using wavelet function processing
10/10/2001	EP1143765A2 Angularly adjustable connection unit for connecting at least two loudspeaker boxes,and loudspeaker boxes connected accordingly
10/10/2001	EP1143764A1 Speaker device
10/10/2001	EP1143628A2 Radiation-free cellular telephone system
10/10/2001	EP1142447A2 Loudspeaker
10/10/2001	EP1142446A2 Speaker system
10/10/2001	EP1142445A2 Low-frequency diaphragm speaker
10/10/2001	EP1142059A2 A communication device
10/10/2001	EP1141818A1 Device with speech signal input means and control signal input means
10/10/2001	EP1139968A1 Device for injecting ultrasonic waves into a medium
10/10/2001	EP0746958B1 Sound-reproducing apparatus comprising an acoustic horn, and acoustic horn for use in the apparatus
10/10/2001	CN2453627Y Loudspeaker plate for fixing speaker
10/10/2001	CN2453626Y Transparent and luminous speaker voice box
10/10/2001	CN1316725A Electroacoustic transducer and making method thereof
10/10/2001	CN1072784C Device for damping of vibrations between objects
10/10/2001	CA2342746A1 Sound speaker system
10/09/2001	US6301359 Telephone handset sterilizer method and apparatus
10/09/2001	US6301195 Geophone with mounted connectors
10/09/2001	US6301034 Pulsed laser microphone
10/09/2001	US6299580 Ultrasonic probe and ultrasonic diagnostic apparatus using the same
10/09/2001	US6298943 Bass-reflex speaker assembly
10/09/2001	US6298942 Housing having a loudspeaker system
10/07/2001	CA2343466A1 Connecting unit for the angle-adjustable connection of at least two loudspeaker enclosures, and correspondingly connected loudspeaker enclosures
10/04/2001	WO2001074117A1 Spatial sound steering system
10/04/2001	WO2001074116A2 Passive radiator having mass elements
10/04/2001	WO2001072550A1 Reversing alarm
10/04/2001	US20010027121 Cellular telephone, personal digital assistant and pager unit
10/04/2001	US20010026628 Passive radiator having mass elements
10/04/2001	US20010026626 Mechanical-to-acoustical transformer and multi-media flat film speaker
10/04/2001	US20010026625 Resonant panel-form loudspeaker
10/04/2001	US20010026087 Sound apparatus
10/04/2001	US20010025907 Supporting element for instruments or speakers
10/04/2001	EP1138175A2 Bending wave panel-form loudspeaker
10/04/2001	DE10013768A1 Headphone receptacle fixture of mobile telephone, has clip holder fixed axially to receptacle recess through snap mechanism
10/03/2001	CN2452227Y Emergency broadcasting apparatus for fire extinguishing
10/03/2001	CN2452226Y Regular polygon loudspeaker diffuser and its holder
10/03/2001	CN1072436C Loudspeaker case structure for video display appliances
10/02/2001	USRE37398 Headphone
10/02/2001	US6298249 Radio apparatus head-protective helmet
10/02/2001	US6296238 Device for the damping of vibrations between objects
09/2001
09/27/2001	WO2001072085A2 Directional processing for multi-microphone system
09/27/2001	WO2001071829A1 Headset assembly including replaceable battery
09/27/2001	WO2001031686A3 Impact-reinforced piezocomposite transducer array
09/27/2001	WO2001024579A3 Insert earphone assembly for audiometric testing and method for making same
09/27/2001	US20010024509 Subwoofer with active and passive drivers
09/27/2001	US20010024508 Loudspeaker system
09/27/2001	US20010024507 Cellular telephone, personal digital assistant with voice communication unit
09/27/2001	US20010024506 Speaker device
09/27/2001	DE10014391A1 Testing functionality of aural receiving and speech parts of emergency call units involves outputting speech signal by central unit, detecting with aural receiver, feeding back and comparing
09/27/2001	DE10012878A1 Acoustic wave generator for producing shock waves for medical use
09/26/2001	EP1137319A2 Headrest surround channel electroacoustical transducing
09/26/2001	EP1137318A2 Wide-band diffusor, with high efficiency and high directivity
09/26/2001	EP1137317A1 Speaker unit

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