H04R 1 - Details of transducers

Patents for H04R 1 - Details of transducers (42,173)
11/2002
11/28/2002	US20020175021 Speaker
11/28/2002	CA2446041A1 Spa audio system operable with a remote control
11/27/2002	EP1261232A1 Bone conduction speaker
11/27/2002	EP1260116A1 Folded sagnac sensor array
11/27/2002	EP1260082A1 Wireless headset with automatic power control
11/27/2002	CN2523160Y Audio power amplifier with internal-mounted voice box
11/27/2002	CN1382338A Communication earpiece without impulse and high frequency noise
11/26/2002	US6487299 Quick-detachable structure for on-wall speaker panel
11/26/2002	US6487298 Microphone stand sound monitor
11/26/2002	US6487297 Structure of a loudspeaker
11/26/2002	US6485241 Surface mount ring assembly for loudspeaker
11/26/2002	US6484983 Speaker mounting device
11/26/2002	US6484843 Speaker apparatus equipped with means for producing complicated waveform of low frequency with higher improved fidelity
11/26/2002	US6484581 Ultrasonic transceiver and vehicle's surrounding obstruction sensor
11/21/2002	WO2002093978A2 Sound transmitter and speaker
11/21/2002	WO2002093977A1 An earphone
11/21/2002	WO2002093972A2 Acoustic member for a loudspeaker comprising a component having a selected frequency dependence and method of making same
11/21/2002	WO2002093887A1 Signal routing for reduced power consumption in a conferencing system
11/21/2002	WO2002093773A1 Parametric virtual speaker and surround-sound system
11/21/2002	WO2002092244A1 Leaf spring and vibration generating device using the leaf spring
11/21/2002	WO2002058733A9 Combinations of bile acid sequestrant(s) and sterol absorption inhibitor(s) and treatments for vascular indications
11/21/2002	US20020173545 Treatment of animal carcasses
11/21/2002	US20020172393 Loudspeaker and method of making same
11/21/2002	US20020172391 Speaker device
11/21/2002	US20020172390 Hearmuff
11/21/2002	US20020172388 Microphone set
11/21/2002	US20020172387 Microphone assembly
11/21/2002	US20020172384 Semiconductor electret capacitor microphone
11/21/2002	US20020172381 Piezoelectric microphone
11/21/2002	US20020172375 Ultrasound based parametric loudspeaker system
11/21/2002	US20020171636 Sound and vision system
11/21/2002	US20020170772 One-piece speaker assembly
11/21/2002	DE10105676A1 Elektronisches Gerät mit einer Lautsprechereinrichtung Electronic device with a speaker setup
11/21/2002	CA2446645A1 Parametric virtual speaker and surround-sound system
11/20/2002	EP1258167A2 Acoustic transducer with improved acoustic damper
11/20/2002	EP1258166A2 Device for fixing earphones and/or mini-microphones
11/20/2002	CN2521858Y Loudspeaker box
11/20/2002	CN2521857Y Phase-reversing tube type acoustics
11/20/2002	CN2521856Y Box type sound basin loudspeaker
11/20/2002	CN2521855Y Anti-epicentre instrument microphone
11/20/2002	CN1381156A Electret condenser microphone
11/20/2002	CN1094442C Trim panel and motor-driven vehicle with said trim panel
11/19/2002	US6483925 Headphone having several speakers
11/19/2002	US6483917 Telephone with a receiver arousing bone-conduction and air-conduction hearing
11/19/2002	US6483778 Systems and methods for passively compensating transducers
11/19/2002	US6481493 Arrangement for heat discharge, particularly for ultrasonic transducers with high performance
11/19/2002	US6481173 Flat panel sound radiator with special edge details
11/14/2002	WO2002091795A1 Necklace type handfree unit for cellular phone
11/14/2002	WO2002091794A2 Two-way communication device
11/14/2002	WO2002091793A2 Electronic unit comprising a loudspeaker device
11/14/2002	WO2002091792A2 Mask with a built-in microphone
11/14/2002	WO2002091526A1 Mechanical-contact adapter
11/14/2002	WO2002077967A3 A device and method for inserting acoustical dampers into earphones
11/14/2002	US20020168081 Acoustic apparatus wearable on the head
11/14/2002	US20020168077 Microphone characteristic adjustment device
11/14/2002	US20020168074 Loudspeaker
11/14/2002	US20020166557 Mask with a built-in microphone
11/13/2002	EP1257148A2 Loudspeaker for a portable communication device
11/13/2002	EP1257147A2 Speaker and mobile terminal device
11/13/2002	EP1256259A1 Acoustically asymmetric bandpass loudspeaker with multiple acoustic filters
11/13/2002	CN2520619Y Socket of earphone
11/13/2002	CN1379614A Loudspeaker protective grid
11/13/2002	CN1379613A No break type earphone wire one sided winding method having automatic collating unit
11/12/2002	US6480796 Method for improving the start up of an ultrasonic system under zero load conditions
11/12/2002	US6480612 Holder-ring for earphone plug
11/12/2002	US6480611 Headphone having a cord reel
11/12/2002	US6479614 Energetic copolyurethane thermoplastic elastomers
11/12/2002	US6478108 Speaker box
11/07/2002	US20020164044 Display enclosure having thin speaker
11/07/2002	US20020164043 Directional optical microphones
11/07/2002	US20020164041 Directional receiver for hearing aids
11/07/2002	US20020162937 Audio electrical or audio electronic equipment or component thereof
11/07/2002	US20020162702 Speaker supporting system
11/07/2002	DE10211943A1 Mobiltelefon mit hochqualitativer Tonwiedergabefähigkeit Mobile phone with high quality tone reproducibility
11/07/2002	DE10129949C1 Headband for audio headset has electric motor for automatic adjustment of telescopic hoop elements
11/07/2002	DE10121523A1 Elektronisches Gerät mit einer Lautsprechereinrichtung Electronic device with a speaker setup
11/07/2002	DE10117529A1 Ultraschallbasiertes parametrisches Lautsprechersystem Ultrasound-based parametric loudspeaker system
11/06/2002	EP1255419A2 Display enclosure having thin speaker
11/06/2002	EP1254585A2 Miniature microphone
11/06/2002	EP1254454A2 System for securing data on a data carrier
11/06/2002	CN2520086Y Phase inversion type bass loudspeaker casing
11/06/2002	CN2520085Y Regulator for regulating knob length
11/06/2002	CN2520084Y Earphone with fixing connection wire
11/06/2002	CN1378406A Loundspeaker
11/06/2002	CN1377822A 显示装置 Display device
11/05/2002	US6477356 Sounding-body holding device
11/05/2002	US6477258 Transducer assembly
11/05/2002	US6477257 Directional microphone
10/2002
10/31/2002	WO2002087282A1 Detachable helmet-mounted communications system
10/31/2002	WO2002087280A1 Multi-frequency transmission/reception apparatus
10/31/2002	WO2002087279A2 Matching an acoustic driver to an acoustic load in an acoustic resonant system
10/31/2002	WO2002062099A9 Loudspeaker arrangement
10/31/2002	US20020159610 Loudspeaker
10/31/2002	US20020159336 Baffled ring directional transducers and arrays
10/31/2002	CA2444440A1 Matching an acoustic driver to an acoustic load in an acoustic resonant system
10/30/2002	EP1253802A2 Suspension for a microphone capsule
10/30/2002	EP0717916B1 A personal hands free communications device
10/30/2002	CN2519572Y 耳机 Headphone
10/30/2002	CN2519571Y 磁罩 Magnetic shield
10/30/2002	CN2519570Y Spherical loudspeaker

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