Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 1 - Details of transducers
Patents for H04R 1 - Details of transducers (42,173)
10/2003
10/29/2003CN2583915Y Single-point audio support with pressure locator
10/29/2003CN2583911Y Sound weir type suond column
10/29/2003CN2583910Y Centering supporting sheet having metal conducting wire conducting sleeve
10/29/2003CN2583909Y Centering supporting sheet having metal conducting wire conducting sleeve
10/29/2003CN1452849A Dynamic enclosure
10/29/2003CN1126402C Earphone microphone combination including radio receiver module and switching method of its operation mode between telephone mode and radio receiver mode
10/28/2003US6639992 Multifunction acoustic device
10/28/2003US6639991 Electroacoustic transducer
10/28/2003US6637910 Earpiece light
10/23/2003WO2003088711A2 Loudspeaker with gps receiver
10/23/2003WO2003088709A1 Microphone assembly with auxiliary analog input
10/23/2003WO2003088707A1 Loudspeaker assembly comprising loudspeakers that are arranged one above the other on a perpendicular axis
10/23/2003WO2003088706A1 Ear pad, and earphone with the pad
10/23/2003WO2003088705A1 Ultrasonic probe
10/23/2003WO2003088630A1 Electronic equipment
10/23/2003WO2003088206A2 Internal lens system for loudspeaker waveguides
10/23/2003WO2003086149A2 Modular speaker construction
10/23/2003US20030199583 Treatment of animal carcasses
10/23/2003US20030199181 Pliable connector and manufacturing method thereof
10/23/2003US20030198362 High directivity microphone array
10/23/2003US20030198359 Directional microphone assembly
10/23/2003US20030198355 Tri-functional dual earphone device
10/23/2003US20030197316 Microphone isolation system
10/23/2003US20030196850 Earmold for improved retention of coupled device
10/23/2003CA2482822A1 Ultrasonic probe
10/23/2003CA2482393A1 Ear pad and earphone with the pad
10/22/2003EP1355508A2 Earmold for improved retention of coupled device
10/22/2003EP1254454B1 System for securing data on a data carrier
10/22/2003EP1101386B1 Head phone
10/22/2003CN2582310Y Improved horn speaker
10/22/2003CN2582307Y Base of voice box with angle-adjustable function
10/22/2003CN2582306Y Rack for hanging earphone
10/22/2003CN2582305Y Combination of earphone and microphone
10/22/2003CN2582304Y Ear-phone
10/22/2003CN1451182A Headset assembly including replaceable battery
10/22/2003CN1450831A 卷线装置 Winding means
10/22/2003CN1450772A Loudspeaker for electronic instrument
10/22/2003CN1450367A Optical diffusion barrier and relative back light module
10/22/2003CN1125575C Loudspeaker device
10/21/2003US6636611 Combined receiver and speaker
10/21/2003US6636610 Loudspeaker systems
10/21/2003US6634768 Emergency notification system
10/21/2003US6634455 Thin-wall multi-concentric sleeve speaker
10/16/2003WO2003086016A1 Dual range horn with acoustic crossover
10/16/2003WO2003086015A1 Sound reproduction employing unity summation aperture loudspeakers
10/16/2003WO2003086009A1 Switched-geometry microphone array arrangement and method for processing outputs from a plurality of microphones
10/16/2003WO2003086008A2 Housing construction for rack-mounted electronic equipment
10/16/2003WO2003084780A2 Electrochromic rearview mirror assembly incorporating a display/signal light
10/16/2003WO2002082855A3 Loudspeaker
10/16/2003WO2001078443A3 Earset communication system
10/16/2003US20030194105 Speaker for an electronic instrument
10/16/2003US20030194104 Ultra low frequency transducer and loud speaker comprising same
10/16/2003US20030194103 Adjustable microphone apparatus
10/16/2003US20030194097 Motional feedback for a speaker system
10/16/2003CA2481014A1 Sound reproduction employing unity summation aperture loudspeakers
10/15/2003EP1353175A2 Piezoelectric sensor and method for manufacturing the same
10/15/2003EP1352509A1 Signal routing for reduced power consumption in a conferencing system
10/15/2003EP1192835B1 Power and guidance connector
10/15/2003CN2580716Y All point direction and horn-like speaker
10/15/2003CN2580715Y Rotating structure of ear-phone
10/15/2003CN1449221A Loudspeaker cabinet mounted above the audience
10/14/2003US6633649 Quick release spider clamp for loudspeakers
10/14/2003US6633647 Method of custom designing directional responses for a microphone of a portable computer
10/14/2003US6632179 Acoustic imaging system with non-focusing lens
10/09/2003WO2003084288A1 Horn-loaded compression driver system
10/09/2003WO2003084286A1 Sounding device
10/09/2003WO2003083828A1 Nicrophone and voice activity detection (vad) configurations for use with communication systems
10/09/2003WO2003034783A3 Method for manufacturing an ear device and ear device
10/09/2003WO2002034005A3 Electroacoustic transducer having spring contacts
10/09/2003US20030190051 Full range loudspeaker
10/09/2003US20030190050 Home theater in a box speaker mount with integrated mounting tool
10/09/2003US20030190049 Headphone accessory
10/09/2003US20030190048 Loudspeaker enclosure mounting above listener
10/09/2003US20030190047 Headphones with integrated microphones
10/09/2003US20030188920 Internal lens system for loudspeaker waveguides
10/09/2003DE20208265U1 Loudspeaker wall mount has cylindrical mounting surfaces to allow angle setting
10/09/2003DE10230409C1 Coaxial loudspeaker arrangement has holder for rotatable horn associated with high note loudspeaker enabling horn to be oriented in different angular settings relative to loudspeaker axis
10/09/2003CA2479758A1 Microphone and voice activity detection (vad) configurations for use with communication systems
10/08/2003EP1351549A2 Pressure gradient microphone capsule
10/08/2003EP1351546A2 Speaker capable to playback in wide frequency range
10/08/2003EP1351544A2 Low-noise directional microphone system
10/08/2003EP1351543A2 Speaker control apparatus and speaker system
10/08/2003EP1351542A2 Ceiling speaker system of aircraft
10/08/2003EP1350471A1 Ultrasonic transesophageal probe for the imaging and diagnosis of multiple scan planes
10/08/2003EP1350414A1 Concentric co-planar multiband electro-acoustic converter
10/08/2003EP1350284A1 Vehicle rearview mirror assembly incorporating a communication system
10/08/2003EP1084592B1 Resonant panel-form loudspeaker
10/08/2003CN2579123Y Stereoloudspeaker
10/08/2003CN1447622A Method for fabricating body cases of sound boxed and structure of body cases of sound boxes
10/08/2003CN1447621A Postposition type loudspeaker system
10/07/2003US6630639 Port switch as for a hearing aid device
10/02/2003WO2003032677A3 Bass reflex acoustical enclosure with two speakers
10/02/2003US20030185416 Speaker capable to playback in wide frequency range
10/02/2003US20030185414 Systematic sound receiving device for microphones
10/02/2003US20030185410 Orthogonal circular microphone array system and method for detecting three-dimensional direction of sound source using the same
10/02/2003US20030185404 Phased array sound system
10/02/2003US20030185403 Method of improving the audibility of sound from a louspeaker located close to an ear
10/02/2003US20030182713 Fully collapsible headset
10/01/2003EP1349420A2 Playback apparatus, headphone, and playback method
10/01/2003EP1349419A2 Orthogonal circular microphone array system and method for detecting three-dimensional direction of sound source using the same
1 ... 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 ... 422