| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 09/30/2009 | CN101547390A Loudspeaker device |
| 09/30/2009 | CN101547389A Headphone device, signal processing device, and signal processing method |
| 09/30/2009 | CN101547388A Multifunctional headphone |
| 09/30/2009 | CN101547387A Earphone and audio display system using same |
| 09/30/2009 | CN101547386A Printed circuit board and a microphone comprising the printed circuit board |
| 09/30/2009 | CN101547385A Vibration absorber and audio device using same |
| 09/30/2009 | CN101547384A Damper and fixing device using same |
| 09/30/2009 | CN101543365A Backrest cushion being able to generate sound |
| 09/29/2009 | US7596236 Loudspeaker with direct emission and optimised radiation |
| 09/29/2009 | US7596230 Method for detection of ultrasound in a listening device with two or more microphones, and listening device with two or more microphones |
| 09/29/2009 | CA2474792C Voice detection and discrimination apparatus and method |
| 09/24/2009 | WO2009116272A1 Bone conduction speaker and listening device using same |
| 09/24/2009 | WO2009115843A1 Acoustic emission transducer |
| 09/24/2009 | WO2008086133A8 Acoustic chamber as part of adapter or appliance |
| 09/24/2009 | US20090238401 Universal audio speaker mount and kits and methods for installation |
| 09/24/2009 | US20090238400 Sound generating apparatus embedded into shoe and its shoes |
| 09/24/2009 | US20090238398 Personal communications earpiece |
| 09/24/2009 | US20090238394 Microphone and method for fabricating the same |
| 09/24/2009 | US20090238391 Vibration absorbing member and audio apparatus using the same |
| 09/24/2009 | US20090235438 Powered Helmet with Visor Defogging Element and Accessories |
| 09/24/2009 | DE202009009862U1 Kopfhörer Headphone |
| 09/24/2009 | DE202009008047U1 Lautsprecher Speaker |
| 09/23/2009 | EP2104373A1 Condenser microphone |
| 09/23/2009 | EP2104372A1 Offset baffles for acoustic signal arrival synchronization |
| 09/23/2009 | EP1753261B1 Electroacoustic transducer and electronic device using the same |
| 09/23/2009 | CN201315664Y Heart-type directional sound box |
| 09/23/2009 | CN201315663Y Insert-earphone |
| 09/23/2009 | CN201315662Y Earphone device |
| 09/23/2009 | CN201315661Y 耳机 Headphone |
| 09/23/2009 | CN201315660Y Two-in-one waterproof loudspeaker |
| 09/23/2009 | CN101540942A Micro sound system |
| 09/23/2009 | CN101540941A Microphone subassembly |
| 09/23/2009 | CN101540940A Self-screened exciting pick-up integrated device used for audio detection |
| 09/23/2009 | CN101539818A Video unit, and audible unit and navigation unit provided with same |
| 09/23/2009 | CN101539817A Video unit, and audible device and navigation device provided with same |
| 09/23/2009 | CN100544498C Ultrasonic speaker and projector |
| 09/23/2009 | CN100542447C Communication apparatus and helmet |
| 09/22/2009 | US7593536 Multimedia audio dock |
| 09/22/2009 | US7593534 Transducer for bioacoustic signals |
| 09/22/2009 | US7593533 Sound system and method of sound reproduction |
| 09/22/2009 | US7593031 Integrated desktop videoconferencing system |
| 09/17/2009 | WO2009114336A1 Automated audio source control based on audio output device placement detection |
| 09/17/2009 | WO2009113751A1 Headphone applied to check valve |
| 09/17/2009 | WO2009113319A1 Chair with built-in speaker |
| 09/17/2009 | WO2009113192A1 Signal separating apparatus and signal separating method |
| 09/17/2009 | WO2009112414A1 Acoustic device |
| 09/17/2009 | WO2009085785A3 Acoustic reconfiguration devices and methods |
| 09/17/2009 | WO2009059211A3 Earphone device |
| 09/17/2009 | US20090233651 Speaker apparatus combining earpiece and hands free functions |
| 09/17/2009 | US20090232345 Speaker and method of producing the same |
| 09/17/2009 | US20090232344 Speaker |
| 09/17/2009 | US20090232343 Mount structure of electromechanical acoustic transducer |
| 09/17/2009 | US20090232338 Electroacoustic transducer having multi-channel diaphragm and hearing aid using the same |
| 09/17/2009 | US20090232325 Reactive headphones |
| 09/17/2009 | DE202009007401U1 Fötus-Hörgerät und Tonaufnehmer Fetus Hearing and sound recorder |
| 09/17/2009 | DE102008014299A1 Microphone i.e. UM930-Twin microphone, has microphone capsules in housing, and acoustical impedance sensor staying in connection with processor i.e. digital signal process, for signal processing and displacement determination |
| 09/17/2009 | DE102008014137A1 Flat membrane for e.g. band pass housing in woofer for theater, is arranged in front of and/or rear of woofer and extends over maximum surface area of flat housing that is utilized as dipole emitter in free-standing manner |
| 09/17/2009 | DE102008013958A1 Loudspeaker, has guide surface attached at part of edge of exit surface, where inclination angle of guide surface with respect to center axis is larger than inclination of inner surface of loudspeaker horn close to exit surface |
| 09/17/2009 | DE102008013627A1 Directional loudspeaker, has contracting main membrane and resonating auxiliary membrane arranged in dipole housing, where main membrane produces ultrasonic pressure in housing inner area that is provided with rearward or lateral openings |
| 09/17/2009 | DE102008013362A1 Device for conference table, comprises connection for computer network signals, video signals or video graphics array signals, and sound receiving unit, which comprises two sound receivers |
| 09/17/2009 | DE102008012856A1 Akustische Anregereinheit Acoustic excitation purity |
| 09/16/2009 | EP2101514A1 Voice input device, its manufacturing method and information processing system |
| 09/16/2009 | EP2101513A1 Voice input device, its manufacturing method and information processing system |
| 09/16/2009 | EP2101512A1 In-ear earphone with multiple transducers |
| 09/16/2009 | EP2101511A2 Digital microphone |
| 09/16/2009 | EP2100476A1 Microphone for audio source tracking |
| 09/16/2009 | EP2100475A1 Acoustic chamber as part of adapter or appliance |
| 09/16/2009 | EP1579455B1 Method and circuit for operating a storage device |
| 09/16/2009 | EP1166596B1 Audio/video system and method enabling a user to select different views and sounds associated with an event |
| 09/16/2009 | CN201312376Y Adjusting structure of multi-vocal range surround sound box |
| 09/16/2009 | CN201312375Y Novel ear-microphone |
| 09/16/2009 | CN201312374Y End separating type earphone |
| 09/16/2009 | CN201312373Y Split earphone with connectors |
| 09/16/2009 | CN201312372Y Ear-canal earphone of mini moving coil type |
| 09/16/2009 | CN201312371Y Light-type microphone |
| 09/16/2009 | CN201312370Y External wiring board type microphone |
| 09/16/2009 | CN201312369Y Television phonating device |
| 09/16/2009 | CN201312368Y Television phonating device |
| 09/16/2009 | CN201312367Y Sheet type loudspeaker with marketing picture and text |
| 09/16/2009 | CN101536539A Speaker system |
| 09/16/2009 | CN101536538A In-plane speaker |
| 09/16/2009 | CN101534462A Offset baffles for acoustic signal arrival synchronization |
| 09/16/2009 | CN101534461A In-ear earphone with multiple transducers |
| 09/16/2009 | CN100542333C Speaker member |
| 09/15/2009 | CA2499930C Loud speaker |
| 09/14/2009 | CA2658156A1 Earbud adapter with increased flexibility region |
| 09/11/2009 | WO2009110576A1 Sound collecting device |
| 09/11/2009 | WO2009109589A1 Acoustic exciter unit |
| 09/10/2009 | US20090226028 Loudspeaker, Speaker Diaphragm, and Suspension |
| 09/10/2009 | US20090226027 Structure of a voice coil assembly |
| 09/10/2009 | US20090226026 Techniques for audio and special effects production |
| 09/10/2009 | US20090226025 Antihelix-conforming ear-mount for personal audio-set |
| 09/10/2009 | US20090226024 Speaker enclosure and headphone |
| 09/10/2009 | US20090226019 Offset baffles for acoustic signal arrival synchronization |
| 09/10/2009 | US20090226018 micro-transducer with improved perceived sound quality |
| 09/10/2009 | US20090226004 Microphone aperture |
| 09/10/2009 | US20090225999 Method for cancelling TDD noise and stereo headphone employing the same |
| 09/10/2009 | DE102008055154A1 Fahrzeuglautsprecher Car speakers |
| 09/10/2009 | DE102008011302A1 Flächenlautsprecher Panel loudspeaker |
| 09/09/2009 | EP2022290A4 Mounting method and holder for smd microphone |