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)
08/2005
08/03/2005CN1648690A Integrated acoustic transducer assembly
08/03/2005CN1648621A High frequency small two-dimension coseismal column type vector hydrophone and its process
08/03/2005CN1213634C Loudspeaker and mobile terminal equipment
08/03/2005CN1213633C Bone conduction speaker
08/03/2005CN1213586C Headset
08/02/2005US6925190 Flush mount speaker mounting apparatus
08/02/2005US6925188 Ported speaker enclosure of a portable computer
08/02/2005US6925179 Method and apparatus for a hearing aid coupling system
08/02/2005CA2322283C Optical switch for headset
07/2005
07/28/2005WO2005069683A1 One-size-fits-most hearing aid
07/28/2005WO2005069682A1 A parallelepiped type condenser microphone for smd
07/28/2005WO2005069681A1 A condenser microphone mountable on main pcb
07/28/2005WO2005069680A1 Sound receiving arrangement comprising sound receiving means and sound receiving method
07/28/2005WO2005069678A1 Audible warning device
07/28/2005WO2005069677A1 Earbud adapter
07/28/2005WO2005067675A2 Flat panel monitor frame with integral speakers
07/28/2005WO2005067653A2 Porous solid wind screen for microphone
07/28/2005US20050163337 Headset
07/28/2005US20050163335 Speaker apparatus
07/28/2005US20050163334 Speaker with externally mounted acoustic extension
07/28/2005US20050163332 Luminescence speaker unit
07/28/2005US20050163330 Acoustic measuring system for locating noise sources
07/28/2005US20050163329 Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems
07/28/2005US20050161561 Locking device for a telescopic tube assembly
07/28/2005DE202005007233U1 Microphone for hands-free set, has body with housing and clamping part, where clamp end of lever of part is turned towards housing via torsion spring when pressing end of lever is released, so that clamp end grips clothing of user
07/28/2005DE202005006223U1 Clamped retention device for transceiver voice communication module in safety helmet, has clamping and positionally fixed connection from modules and parts integrated in helmet
07/28/2005DE202005005490U1 Surround-sound microphone device, e.g. for film recording, has microphones releasably arranged at defined angles to all three spatial planes
07/28/2005DE102004016577A1 Head-set with hearing-aid functionality e.g. for mobile phone, has ear-piece releasably joined to head-set module
07/28/2005CA2552802A1 One-size-fits-most hearing aid
07/28/2005CA2552582A1 Earbud adapter
07/28/2005CA2535671A1 Portable telephone using bone conduction device
07/27/2005EP1558060A2 Vehicle audio system surround modes
07/27/2005EP1557688A1 Acoustic measurement system for locating sources of noise
07/27/2005EP1557071A1 Microphone system for vehicle
07/27/2005EP1557070A1 Equaliser, or phase plug, for electro-acoustic transducers
07/27/2005CN2713766Y Active speaker
07/27/2005CN2713765Y Light-emitting speaker
07/27/2005CN2712340Y Sauna box sound installation device
07/27/2005CN1647582A Loudspeaker with GPS receiver
07/27/2005CN1647579A Loudspeaker with shaped sound field
07/27/2005CN1647576A Signal transmission system
07/27/2005CN1647575A Ear pad, and earphone with the pad
07/27/2005CN1647574A Ultrasonic probe
07/27/2005CN1647573A Image display device
07/27/2005CN1647515A Method and apparatus for a light weight enclosure for projection televisions
07/27/2005CN1645872A Mobile phone with built-in earphone for preventing radiation and built-in earphone assembly for preventing radiation
07/26/2005US6922477 Speaker
07/26/2005US6922476 Adjustable ear canal retention transceiver/receiver
07/26/2005US6922475 Shockproof microphone support device
07/26/2005US6922471 Communication device with shared interior resonance chambers
07/21/2005WO2005067348A1 Audio signal supplying apparatus for speaker array
07/21/2005WO2005067347A1 Speaker apparatus
07/21/2005WO2005067341A1 Speaker apparatus
07/21/2005WO2005067340A1 Body conducted sound microphone, signal processing device, communication interface system, and sound collecting method
07/21/2005WO2005067339A1 Acoustic apparatus using bone-conduction speaker
07/21/2005WO2005034571A3 Noise canceling microphone with acoustically tuned ports
07/21/2005US20050160270 Localized audio networks and associated digital accessories
07/21/2005US20050157905 Loudspeaker
07/21/2005US20050157904 Acoustically enhanced electro-dynamic loudspeakers
07/21/2005US20050157903 Headset
07/21/2005US20050157902 Microphone
07/21/2005US20050157901 Sound collector
07/21/2005US20050157900 Acoustic passive radiator rocking mode reducing
07/21/2005US20050157899 Molded earpiece assembly for auditory testing
07/21/2005US20050157889 Electronic device with external speaker
07/21/2005US20050157882 Video/audio combo device
07/21/2005US20050157591 Underwater Sonic Child Locator
07/21/2005US20050157590 Surface acoustic antenna for submarines
07/21/2005US20050155433 Pressure sensor, method of fabricating the same, and method of calibrating the same
07/21/2005DE102004056053A1 Ear stoppers to defend against excess noise are fabricated of oto-plastic incorporating one or more passages each with two or more filters
07/21/2005DE102004055034A1 Audio equipment e.g. speaker in mobile telephone, has subpanel joined to transparent sheet for protection, and fixed to voice coil of one magnetic circuit, while diaphragm is fixed to voice coil of other circuit
07/21/2005CA2530194A1 Acoustic apparatus using bone-conduction speaker
07/20/2005EP1555849A2 Acoustic passive radiator with rocking-mode reduction
07/20/2005EP1555516A1 Pressure sensor, method of fabricating the same, and method of calibrating the same
07/20/2005EP1554643A2 Permanent seafloor seismic recording system utilizing micro electro-mechanical systems seismic sensors and method of deploying same
07/20/2005CN2712024Y Interlinked electric-acoustic transducer
07/20/2005CN2712023Y Luminous device for louderspeaker
07/20/2005CN2712022Y Luminous ring for louderspeaker
07/20/2005CN2712021Y Wire material sliding and positioning device for neck hanging type earphone
07/20/2005CN1643977A Transducer motor/generator assembly
07/20/2005CN1643975A Digital microphone
07/20/2005CN1643571A Nicrophone and voice activity detection (vad) configurations for use with communication systems
07/20/2005CN1643444A Electrochromic rearview mirror assembly incorporating a display/signal light
07/20/2005CN1643011A Soft molding compound
07/20/2005CN1642387A Method and apparatus for forming pattern, device and electronic device
07/20/2005CN1642363A Vehicle audio system surround modes
07/20/2005CN1642357A Noise-reducing earpiece
07/20/2005CN1642356A Acoustic passive radiator with rocking-mode reduction
07/20/2005CN1642355A Water-drip-proof structure of sounding and sound-collecting part and electronic device using said structure
07/20/2005CN1642180A Mobile communication apparatus
07/20/2005CN1212046C Microphone structure
07/20/2005CN1212044C Flexible ear tack
07/20/2005CN1211775C Method and apparatus for adapting primary content of audio and remaniing portion of audio content in digital audio production process
07/19/2005US6920229 Earpiece with an inertial sensor
07/19/2005US6920228 Lightweight headset for high noise environments
07/19/2005US6919669 Electro-active device using radial electric field piezo-diaphragm for sonic applications
07/19/2005US6918678 Headset incorporating an integral light
07/14/2005WO2005064988A1 Loudspeaker and components for use in the construction thereof
07/14/2005WO2005064986A1 Audio output apparatus
07/14/2005WO2005064985A1 Apparatus and methods for directional audio radiation
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