H04R 1 - Details of transducers

Patents for H04R 1 - Details of transducers (42,173)
11/2001
11/21/2001	CN1075317C Speaker grille
11/21/2001	CN1075316C Loudspeaker system of television
11/21/2001	CN1075305C Baffled pickup assembly
11/20/2001	US6321070 Portable electronic device with a speaker assembly
11/20/2001	US6320971 Speaker system and a method for improving sound quality thereof
11/20/2001	US6320970 High frequency compression drivers
11/20/2001	US6320967 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
11/20/2001	US6320960 Headset with adjustable earpiece
11/15/2001	WO2001087025A1 Apparatus for the redistribution of acoustic energy
11/15/2001	WO2001087007A1 Receiver comprising bone-conduction loudspeaker
11/15/2001	WO2001087006A2 Earphone for an rf transmitting device
11/15/2001	WO2001087004A2 A loudspeaker incorporating an electromagnetic screen
11/15/2001	WO2001087002A2 Loudspeaker having an acoustic panel and an electrical driver
11/15/2001	WO2001087001A2 Method for manufacturing hearing devices
11/15/2001	WO2001086923A1 Headset
11/15/2001	WO2001045456A3 A loudspeaker having a dual chamber acoustical enclosure with two external vents and one internal vent
11/15/2001	US20010040975 Device including a built-in electroacoustic transducer for optimum speech reproduction
11/15/2001	US20010040974 Horn mode tuning
11/15/2001	US20010040970 Monopole low frequency test woofer
11/15/2001	US20010040839 Ultrasound sensor for distance measurement
11/15/2001	CA2685434A1 Interference suppression techniques
11/15/2001	CA2416022A1 Method for manufacturing hearing devices
11/14/2001	EP1153526A2 Bending wave panel-form loudspeaker
11/14/2001	EP1153500A1 Telephone handset
11/14/2001	EP0763232B1 Piezo-electric ultrasound transducer
11/14/2001	CN2459838Y 耳机 Headphone
11/14/2001	CN2459837Y Magnetic shield and electromagnetic induction integrated structure moving-coil type receiver
11/14/2001	CN2459836Y Head earphone
11/14/2001	CN2459835Y Structure improved earphone
11/14/2001	CN2459834Y Head microphone
11/14/2001	CN2459301Y Improved automatic winding box
11/14/2001	CN1322455A Electroacoustic communications unit
11/14/2001	CN1322104A Imitation stone loudspeaker box
11/14/2001	CN1321551A Multifunctional vibration exciter capable of suppressing astable work around resonance frequency
11/13/2001	US6317501 Microphone array apparatus
11/13/2001	US6316706 Multi-purpose entertainer stand
11/08/2001	WO2001084881A1 Reception system for multisensor antenna
11/08/2001	WO2001084727A1 Head-mounted transmitter/receiver
11/08/2001	WO2001018132A3 Panel-shaped loudspeaker
11/08/2001	WO2000060573A9 Systems and methods for passive pressure-compensation for acoustic transducers
11/08/2001	US20010038701 Loudspeaker having an acoustic panel and an electrical driver
11/08/2001	US20010038699 Automatic directional processing control for multi-microphone system
11/08/2001	US20010038686 Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth
11/08/2001	US20010038339 Emergency notification system
11/08/2001	US20010038060 Holding device for the attachment of a microphone to an object
11/08/2001	US20010037910 Loudspeaker enclosure
11/08/2001	EP1144525A3 Panel-shaped loudspeaker
11/08/2001	DE10045177A1 Earphone for multimedia surround sound creates inner ear extension improves directional information
11/08/2001	DE10026078C1 Directional microphone set has 5 microphones with figure 8 directional characteristic arranged to provide sine and cosine signals
11/08/2001	CA2407646A1 Reception system for multisensor antenna
11/07/2001	EP1152636A1 Sound-collecting device
11/07/2001	EP1151635A1 Directional microphone assembly
11/07/2001	EP1151631A2 Exciter for imparting bending wave energy to a panel
11/07/2001	EP1151630A2 Method and system of compensating for boundary effects on a primary sound source
11/07/2001	EP1151629A1 Diffuser panel with built-in speaker arrangement and methods of installation
11/07/2001	EP1151593A1 Handset for telephone technology
11/07/2001	EP1150633A1 Device for attenuating sound on the human ear
11/07/2001	CN1321035A Multifunctional converter capable of converting electric signal into vibration of element for portable electronic apparatus
11/06/2001	US6314185 Sanitary cover for a telephone handset
11/01/2001	WO2001082649A1 Semiconductor electret capacitor microphone
11/01/2001	WO2001082568A1 Sound-transmitting apparatus
11/01/2001	US20010036291 Voice conveying guide tube for headsets
11/01/2001	US20010036290 Lobe control for an acoustic horn
11/01/2001	CA2407417A1 Sound-transmitting apparatus
10/2001
10/31/2001	EP1150545A1 Microphone
10/31/2001	EP1150542A1 Video camera with microphone
10/31/2001	EP1150541A1 Sound-collecting device
10/31/2001	EP1150538A1 Voice conveying guide tube for headsets
10/31/2001	EP1150537A1 Communication helmet
10/31/2001	EP1149507A2 Sound generator with a pump actuator
10/31/2001	CN1320350A Ultra low frequency transducer and loud speaker
10/31/2001	CN1320009A Baking-free ceramic loudspeaker box
10/31/2001	CN1319367A Chair with acoustic equipment
10/30/2001	US6310961 Disposable sleeve assembly for sound control device and container therefor
10/30/2001	US6310958 Sound-producing arrangement for a motor vehicle
10/30/2001	US6308398 Method of manufacturing a wafer fabricated electroacoustic transducer
10/28/2001	CA2307076A1 Selective nonlinear attenuating earplug
10/25/2001	WO2001080616A2 High-frequency current supressor capable of being readily attached to cable or the like and earphone system using the same
10/25/2001	WO2001080598A1 Bone-conduction transducer and bone-conduction speaker headset therewith
10/25/2001	WO2001080353A1 Vehicle rearview mirror assembly incorporating a communication system
10/25/2001	US20010034214 Wireless microphone apparatus and transmitter device for a wireless microphone
10/25/2001	US20010033671 Acoustic transducer with improved acoustic damper
10/25/2001	US20010033669 Resonant element transducer
10/25/2001	CA2400752A1 Vehicle rearview mirror assembly incorporating a communication system
10/24/2001	EP1148761A2 Multiple-function transducer
10/24/2001	EP1148760A2 Electroacoustic transducer
10/24/2001	EP1148758A1 Cabinet for audio devices
10/24/2001	EP1147681A1 Resonant panel-form loudspeakers
10/24/2001	EP1147680A2 A headphone comprising bending-wave loudspeakers
10/24/2001	CN2456423Y Rainproof loudspeaker with all direction amplification
10/24/2001	CN2456422Y Adjustable noise elimination earphone
10/24/2001	CN1319321A Horn-type loudspeaker system
10/24/2001	CN1319320A Loudspeaker
10/24/2001	CN1319319A Transmitter/receiver comprising bone-conduction speaker
10/24/2001	CN1319222A Electro-acoustic musical instrument
10/24/2001	CN1318964A Loudspeaker and its mfg.
10/24/2001	CN1318963A Electroacoustic transducer
10/24/2001	CN1318954A Impact-resistance electromagentic converter
10/24/2001	CN1318906A Casing of audio device
10/23/2001	US6307947 Low profile speaker enclosure

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