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)
10/2005
10/05/2005CN1679372A Transducer for bioacoustic signals
10/05/2005CN1679371A 传声器和通信接口系统 A microphone and a communication interface system
10/05/2005CN1678136A Power supply of phantom power supplied microphones
10/05/2005CN1678135A Remote control of phantom power supplied microphones
10/05/2005CN1678133A Transmitting apparatus, sound sensor and autonomous traveling vehicle
10/05/2005CN1678132A Speaker apparatus
10/05/2005CN1678131A Speaker for mobile terminals and manufacturing method thereof
10/05/2005CN1678130A Headphone
10/05/2005CN1678128A Mobile station with sound speaker
10/05/2005CN1222149C 通信装置 Communication device
10/04/2005US6952483 Voice transmission apparatus with UWB
10/04/2005US6952350 Portable electronic device including an acoustic chamber
09/2005
09/29/2005WO2005091676A1 Listening device with two or more microphones
09/29/2005WO2005091670A1 Bone conduction device unit, and portable telephone and headset using the same
09/29/2005WO2005091607A2 Method and apparatus for configuring a mobile device
09/29/2005WO2005091601A1 Device for influencing the sound emitted by an acoustic source and telephone with a device suitable at least for open listening
09/29/2005WO2005053355A3 Carry case
09/29/2005US20050215111 Modular personal audio set and system
09/29/2005US20050213789 Component arranged directly on a t-coil
09/29/2005US20050213788 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-board structure
09/29/2005US20050213787 Microphone assembly with preamplifier and manufacturing method thereof
09/29/2005US20050213785 Piezoelectric speaker, speaker system employing it, and electronic apparatus employing piezoelectric speaker
09/29/2005US20050213784 Loudspeaker sound modulation apparatus
09/29/2005US20050213782 Voice amplifier for mask
09/29/2005US20050213778 System for detecting and reducing noise via a microphone array
09/29/2005US20050213774 Headphoning
09/29/2005US20050213773 Noise cancellation system and headphone therefor
09/29/2005US20050213445 Device for processing demonstration signals and demonstration control data
09/29/2005US20050213042 Liquid crystal display device
09/29/2005US20050212479 Charging device and charging method
09/29/2005US20050211498 Electronoc apparatus having speaker unit incorporated therein
09/29/2005US20050211402 Acoustic paper diaphragm and acoustic transducer apparatus
09/29/2005DE202005006343U1 Foam material embedding device for embedding earphone has earphone layer between upper and lower foam layers, such that a funnel-shaped hole layer is formed on top of the upper foam layer
09/29/2005DE10215775B4 Verfahren zur räumlichen Darstellung von Tonquellen Method for the spatial representation of sound sources
09/29/2005DE102004024998A1 Schwanenhalsmikrofon mit Kugelkopf-Halterung Gooseneck microphone with Ball head mount
09/29/2005DE102004024997A1 Schwanenhalsmikrofon mit Kugelkopf-Halterung Gooseneck microphone with Ball head mount
09/28/2005EP1581026A1 Method for detecting and reducing noise from a microphone array
09/28/2005EP1581025A2 Electronic apparatus having speaker unit incorporated therein
09/28/2005EP1581024A1 Integrated electro acoustic equipment with portable compact construction for sound applications
09/28/2005EP1579455A1 Method and circuit for operating a storage device
09/28/2005EP1579346A2 Automatic digital music library builder
09/28/2005EP1329132A4 Power efficient electrical stimulation
09/28/2005CN2730065Y Loudspeaker box
09/28/2005CN2730064Y Blue tooth earphone
09/28/2005CN2730063Y Folding microphone of interpreter apparatus
09/28/2005CN2730062Y Small and durable earphone
09/28/2005CN2729667Y Interference type fibre-optical hydro phone
09/28/2005CN1675846A Subminiature bone vibrating speaker using the diaphragm and mobile phone thereby
09/28/2005CN1674719A 扬声器 Speaker
09/28/2005CN1674717A Electronic apparatus having speaker unit incorporated therein
09/28/2005CN1674716A Horn module support, horn module with the same support and electronic device with the same module
09/27/2005US6950682 Transceiver
09/27/2005US6950530 Directional loudspeaker unit
09/27/2005US6950529 System consisting of a microphone and an amplifier
09/27/2005US6950527 Circuit and method of 3-wired interface for headphones
09/27/2005US6950373 Multiply resonant wideband transducer apparatus
09/22/2005WO2005089015A1 Speaker, module employing it, electronic apparatus and device
09/22/2005WO2005089014A1 Loudspeakers
09/22/2005WO2005089013A1 Speaker
09/22/2005WO2005089012A1 Speaker, and module, electronic apparatus, and device that use the speaker
09/22/2005WO2005086734A2 Electro-acoustic transducer
09/22/2005WO2005081576B1 Loudspeaker surround system
09/22/2005US20050208980 Adjustable bluetooth wireless earphone
09/22/2005US20050207698 Signal transmission system
09/22/2005US20050207611 Drive unit for electro-acoustic converter with radially magnetized permanent magnetic bars
09/22/2005US20050207610 Multifunction speaker
09/22/2005US20050207608 Gasket for speaker
09/22/2005US20050207607 Multiple channel earphone
09/22/2005US20050207606 [earphone structure with a composite sound field]
09/22/2005US20050207605 Microphone and method of producing a microphone
09/22/2005US20050207604 Microphone device
09/22/2005US20050207603 Speaker
09/22/2005US20050207601 Drive unit for electro-acoustic converter with dual magnetic circuits sharing permanent magnet
09/22/2005US20050207600 Speaker
09/22/2005US20050207596 Packaged digital microphone device with auxiliary line-in function
09/22/2005US20050207595 Microphone apparatus built in computer network
09/22/2005US20050207593 Modular loudspeaker
09/22/2005US20050207588 Focused hypersonic communication
09/22/2005US20050207586 Mobile communication earphone accommodating hearing aid with volume adjusting function and method thereof
09/22/2005US20050207566 Sound pickup apparatus and method of the same
09/22/2005US20050205350 [speaker module frame, speaker module therewith, and electronic device with speaker module]
09/22/2005US20050205349 Acoustic radiating
09/22/2005US20050205348 Acoustic waveguiding
09/22/2005US20050204667 Lay-in tile speaker system
09/22/2005DE10346637B4 Breit abstrahlendes Mehrwege-Lautsprecherchassis Wide dispersion, multi-way loudspeaker chassis
09/22/2005DE10342532B4 Hinterkopfbügel-Kopfhörer Behind headband headphones
09/22/2005DE102004039625A1 Bass-reproducing arrangement for an audio system of a vehicle comprises a housing with a sound-outlet opening and a first housing part formed by a vehicle body part
09/22/2005DE102004010198A1 Hörer Listener
09/22/2005CA2557038A1 Electro-acoustic transducer
09/21/2005EP1578168A2 In-ear device
09/21/2005EP1577880A2 An audio system comprising a waveguide having an audio source at one end and an acoustic driver at another end
09/21/2005EP1576847A1 Audio playback system and method for playing back an audio signal
09/21/2005EP1576846A2 Sound projector
09/21/2005EP1299940A4 Mechanical-to-acoustical transformer and multi-media flat film speaker
09/21/2005CN2728148Y 一种音箱 Sound box
09/21/2005CN2728147Y Vehicular handset loudspeaker
09/21/2005CN2728146Y Rotary globe type sound box
09/21/2005CN2728145Y Bluetooth communication earphone having detachable battery module
09/21/2005CN2728144Y Stereo radio accompaniment microphone
09/21/2005CN2728143Y Microphone with flaring light
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