| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 09/07/2005 | CN2724091Y Computer acoustic amplifier |
| 09/07/2005 | CN2724018Y Novel composite earthquake wave detector |
| 09/07/2005 | CN2724017Y Marine seismic wave detector |
| 09/07/2005 | CN1666568A Wideband transducer |
| 09/07/2005 | CN1666567A Panel-shaped loudspeaker |
| 09/07/2005 | CN1666566A Single and multiple reflection wave guide |
| 09/07/2005 | CN1666565A Speaker arrangement for communication terminal |
| 09/07/2005 | CN1666495A Stationary spectral power dependent audio enhancement system |
| 09/07/2005 | CN1665350A Method and apparatus for matching phase of audiphone directional microphone |
| 09/07/2005 | CN1665347A An acoustic coupling composite loudspeaker |
| 09/07/2005 | CN1665346A Acoustic system |
| 09/07/2005 | CN1665345A Earphone part |
| 09/07/2005 | CN1664610A System and method for beamforming using a microphone array |
| 09/06/2005 | US6940990 Multi-channel audio center speaker device |
| 09/06/2005 | US6940564 Display substrate and display device |
| 09/06/2005 | US6938889 Shock absorbing and magnetic levitating cushion |
| 09/02/2005 | CA2499033A1 A system and method for beamforming using a microphone array |
| 09/01/2005 | WO2005081582A1 A parallelepiped type directional condenser microphone |
| 09/01/2005 | WO2005081579A1 Information terminal device |
| 09/01/2005 | WO2005081576A1 Loudspeaker surround system |
| 09/01/2005 | WO2005081575A1 Projector equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector |
| 09/01/2005 | WO2005081520A1 Loudspeaker assembly |
| 09/01/2005 | WO2005081502A1 Electroacoustic communications device |
| 09/01/2005 | WO2005081501A1 Bone-conduction handset |
| 09/01/2005 | WO2005079266A2 Audio speaker with wobble free voice coil movement |
| 09/01/2005 | US20050192685 Direct digital drive audio system and method |
| 09/01/2005 | US20050191971 Assisted listening device |
| 09/01/2005 | US20050190945 Shorting ring fixture for electromagnetic transducer |
| 09/01/2005 | US20050190944 Unidirectional condenser microphone unit |
| 09/01/2005 | US20050190941 Resonance chamber of a cellular phone |
| 09/01/2005 | US20050190935 Car audio equipment |
| 09/01/2005 | US20050189847 Methods and systems for supporting acoustical transducers |
| 09/01/2005 | US20050189164 Speaker enclosure having outer flared tube |
| 09/01/2005 | US20050188768 Ultrasonic sensor unit |
| 09/01/2005 | DE202005008902U1 Radio speaker phone system in form of earpiece without cable, containing receiver-loudspeaker unit and transceiver, e.g. for use in car, with one terminal clamp of transceiver removed, for hearing aid |
| 09/01/2005 | DE102004006724A1 Audio and video signal reproduction apparatus, has loudspeakers and image screen, and separate light source with variable illumination area and color |
| 09/01/2005 | CA2554046A1 Bone-conduction handset |
| 08/31/2005 | EP1569496A1 Biodegradable material for audio systems |
| 08/31/2005 | EP1569422A2 Method and apparatus for multi-sensory speech enhancement on a mobile device |
| 08/31/2005 | EP1568249A1 A headset having an attachment element for attaching an ear hook to a holding ring |
| 08/31/2005 | EP1048187B1 Buffering cover for preventing pains in using earphones |
| 08/31/2005 | CN2722547Y Magnetic suspended basement of loudspeaker |
| 08/31/2005 | CN2722546Y Loudspeaker screen |
| 08/31/2005 | CN2722545Y Loudspeaker screen |
| 08/31/2005 | CN1663322A Electro-dynamic planar loudspeakers |
| 08/31/2005 | CN1663321A Sound reproduction employing unity summation aperture loudspeakers |
| 08/31/2005 | CN1663319A Low frequency loudspecker enclosure with configurable directivity |
| 08/31/2005 | CN1662881A Device for processing demonstration signals and demonstration control data |
| 08/31/2005 | CN1662285A Electronic apparatus |
| 08/31/2005 | CN1662018A Method and apparatus for multi-sensory speech enhancement on a mobile device |
| 08/31/2005 | CN1217559C Earphone without impulse noise and surrounding blockande |
| 08/31/2005 | CN1217431C Headset assembly including replaceable battery |
| 08/30/2005 | US6937740 Monopole low frequency test woofer |
| 08/30/2005 | US6937739 Loudspeaker set with elastic adapter |
| 08/30/2005 | US6937735 Microphone for a listening device having a reduced humidity coefficient |
| 08/30/2005 | US6936008 Ultrasound system with cableless coupling assembly |
| 08/30/2005 | US6935709 Housing construction for rack-mounted electronic equipment |
| 08/30/2005 | US6935458 Microphone shroud and related method of use |
| 08/25/2005 | WO2005079111A1 Magnetostriction underwater transmitter/receiver |
| 08/25/2005 | WO2005079107A1 Bone-conduction device and method of manufacturing the same |
| 08/25/2005 | WO2005079045A1 Electro-acoustic transducer for a portable communication device |
| 08/25/2005 | WO2005078683A1 A sound distributor and a system for distributing sound |
| 08/25/2005 | WO2005077073A2 Audio speaker system |
| 08/25/2005 | WO2003063367A3 Adjustable support apparatus |
| 08/25/2005 | US20050187645 Folding electronic device |
| 08/25/2005 | US20050187494 Focusing ultrasonic source |
| 08/25/2005 | US20050185818 Voice coil bobbin and speaker |
| 08/25/2005 | US20050185816 Loudspeaker driver having a removable diaphragm assembly, parts kit and method for rebuilding a loudspeaker driver in the field |
| 08/25/2005 | US20050185814 Ear-hook earphone with microphone |
| 08/25/2005 | US20050185813 Method and apparatus for multi-sensory speech enhancement on a mobile device |
| 08/25/2005 | US20050185812 Miniature silicon condenser microphone and method for producing the same |
| 08/25/2005 | US20050185809 Audio frequency speaker |
| 08/25/2005 | US20050185808 Composite structure with push-pull unit speakers |
| 08/25/2005 | US20050185807 Condenser microphone |
| 08/25/2005 | US20050184624 Ultrasonic probe |
| 08/25/2005 | US20050184607 Exciter for directly vibrating board |
| 08/25/2005 | DE10392880T5 Rauschunterdrückungssystem und Kopfhörer hierfür Noise reduction system and headphones for this |
| 08/25/2005 | DE102005007074A1 Multifunktionslautsprecher Multifunctional Speaker |
| 08/25/2005 | CA2556561A1 A sound distributor and a system for distributing sound |
| 08/25/2005 | CA2546532A1 Bone-conduction device and method of manufacturing the same |
| 08/24/2005 | EP1566950A1 Folding electronic device with pair of speakers and state dependent allocation of right and left channel |
| 08/24/2005 | EP1566073A1 Acoustic wave guidance in a vehicle |
| 08/24/2005 | CN2720750Y Earphone of hanging-one-ear type |
| 08/24/2005 | CN2720749Y Portable voice box |
| 08/24/2005 | CN1659925A An acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-boa |
| 08/24/2005 | CN1659924A Headset |
| 08/24/2005 | CN1659791A Portable electronic apparatus |
| 08/24/2005 | CN1658708A Multifunction speaker |
| 08/24/2005 | CN1658707A Exciter for directly vibrating board |
| 08/24/2005 | CN1658629A Folding electronic device |
| 08/24/2005 | CN1658061A Camera and electronic apparatus |
| 08/23/2005 | US6934401 Closed headphones with transducer system |
| 08/23/2005 | US6932187 Protective acoustic cover assembly |
| 08/18/2005 | WO2005076661A1 Mobile body with superdirectivity speaker |
| 08/18/2005 | WO2005076660A1 Mobile body with superdirectivity speaker |
| 08/18/2005 | WO2005076659A1 Method and device for the separation of sound signals |
| 08/18/2005 | WO2005076466A1 Digital microphone |
| 08/18/2005 | WO2003015331A3 Digital transmission and control system for vehicles |
| 08/18/2005 | US20050181659 Electro-acoustic transducer |
| 08/18/2005 | US20050180593 Multifunction speaker |