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)
12/2005
12/29/2005WO2005106876A3 Portable music player and transmitter
12/29/2005US20050286735 Speaker grill
12/29/2005US20050286733 Integrated loudspeaker and acoustic treatment system
12/29/2005US20050286730 Loudspeaker system providing improved sound presence and frequency response in mid and high frequency ranges
12/29/2005US20050286728 System and method of generating an audio signal
12/29/2005US20050286727 Apparatus for expanding sound image upward
12/29/2005US20050286713 Distributed sound enhancement
12/29/2005US20050286346 High intensity directional electroacoustic sound generating system for communications targeting
12/29/2005US20050284901 Hands-free over the head portable telephone holder
12/29/2005DE202005017032U1 Multimedia loudspeaker for receiving/transmitting voices over the Internet has loudspeaker casings to link to a computer and headphones
12/29/2005DE102004027110A1 Mikrofon Microphone
12/29/2005CA2570642A1 Bone conduction device and tympanum thereof
12/28/2005EP1610587A1 Ultrasonic sensor
12/28/2005EP1610586A1 Speaker clearance arrangement for a communication device
12/28/2005EP1610334A2 Damping system
12/28/2005EP0688199B2 Cover for a sealing ring of an earmuff
12/28/2005CN2749206Y Ultrathin wideband loudspeaker
12/28/2005CN1714601A Audio signal reproducing method and reproducing apparatus
12/28/2005CN1713781A Ultrasonic speaker and projector
12/27/2005US6980931 System and method for controlling computer processes by means of biometric data
12/27/2005US6980666 Headphone assembly
12/27/2005US6980165 Communication apparatus with antenna
12/27/2005US6980092 Vehicle rearview mirror assembly incorporating a communication system
12/22/2005WO2005122637A1 Acoustic transducer comprising a plurality of coaxially arranged diaphragms
12/22/2005WO2005122632A1 Desk top type electronic device
12/22/2005WO2005091809A3 Optimum driver spacing for a line array with a minimum number of radiating elements
12/22/2005US20050282592 Hands-free conferencing apparatus and method for use with a wireless telephone
12/22/2005US20050281430 Speaker device
12/22/2005US20050281429 Loudspeaker grille
12/22/2005US20050281428 Auxiliary playpen speaker
12/22/2005US20050281426 Portable sound system, apparatus, and method
12/22/2005US20050281423 In-ear monitoring system and method
12/22/2005US20050281422 In-ear monitoring system and method with bidirectional channel
12/22/2005US20050281421 First person acoustic environment system and method
12/22/2005US20050281420 Ultrasonic speaker and projector
12/22/2005US20050281415 Microphone array processing system for noisy multipath environments
12/22/2005DE202005016437U1 Diffuser for loudspeakers has a diffuser surface area structured in a type of pattern aligned to a loudspeaker membrane
12/22/2005DE102004026613A1 Force transfer device for musical instrument, loudspeaker etc., has resilient elastic system with resonant frequency below lowest sound generated
12/22/2005DE102004025146A1 Low sound loudspeaker, has two chambers separated from each other by wall that is supported by loudspeaker chassis, where one chamber has opening that is constructed as hose connector opening and attached with hose
12/22/2005CA2567733A1 Acoustic transducer comprising a plurality of coaxially arranged diaphragms
12/21/2005EP1608204A1 Headphones with a multichannel guiding mechanism
12/21/2005EP1608036A2 Earphone antenna, composite coil used therefor, coaxial cable, and radio device with the earphone antenna
12/21/2005EP1606970A1 Circular microphone array for multi channel audio recording
12/21/2005CN1711798A Wide directionality speaker system, and cover attaching construction for planar direct-mounted implements
12/21/2005CN1711797A A headset
12/21/2005CN1233196C Hand-free earphone capable of being used for mobile phone and external blue-tooth module set at same time
12/20/2005US6978163 Multi-purpose dongle for wireless headset
12/20/2005US6978162 Integrated portable entertainment, information and communication system linked to a wireless helmet
12/20/2005US6978031 Loudspeaker sound modulation apparatus
12/20/2005US6978030 Light emitting loudspeaker cover
12/20/2005US6978028 Process and device for focusing acoustic waves
12/15/2005WO2005120129A1 Condenser microphone
12/15/2005WO2005120128A2 Method of detecting and deterring microphone sabotage
12/15/2005WO2005067675A3 Flat panel monitor frame with integral speakers
12/15/2005US20050277450 Portable electronic device
12/15/2005US20050276438 Speaker device and method of manufacturing the speaker device
12/15/2005US20050276437 Speaker device and method of fabricating the same
12/15/2005US20050276436 Speaker device
12/15/2005US20050276435 Speaker device
12/15/2005US20050276433 Magnetic assembly for a transducer
12/15/2005US20050276432 Horn loudspeaker
12/15/2005US20050276431 Top-loading folded corner horn
12/15/2005US20050276427 Transparent panel-form loudspeaker
12/15/2005DE202005014903U1 Headphones for integrating a moving picture experts group layer-3 audio (MP3) player has components for playing music
12/15/2005DE202005014258U1 Microphone for e.g. remote receiving installation, has transmitter connected with processing unit, and sensor and pushbutton module, whose audio and operation-command-signals are received and transmitted from transmitter to installation
12/15/2005DE102004024729A1 Kondensatormikrofon Condenser microphone
12/14/2005EP1605728A2 Speaker device and method of fabricating the same
12/14/2005EP1605545A1 Earphone antenna and portable radio equipment provided with earphone antenna
12/14/2005EP1604543A1 Loudspeaker
12/14/2005EP1368987B1 Enclosure and audio-visual apparatus comprising same
12/14/2005EP0919109B1 Recording and play-back two-channel system for providing a holophonic reproduction of sounds
12/14/2005CN2746691Y Non-interference earphone
12/14/2005CN1708183A Speaker device and method of fabricating the same
12/14/2005CN1707993A Universal microphone for secure radio communication
12/14/2005CN1707854A Earphone antenna and portable radio equipment provided with earphone antenna
12/14/2005CN1707608A Sound amplifier
12/14/2005CN1232092C Hand-free telephone perimitting sound leakage
12/13/2005US6975741 Electroacoustic transducer being acoustical tight in the area of its air gap for its moving coil
12/13/2005US6975737 Speaker mounting structure of head rest in vehicle
12/13/2005US6975735 Sound collecting device minimizing electrical noise
12/13/2005US6974417 Ultrasound transducer array
12/13/2005US6973994 Apparatus for increasing the quality of sound from an acoustic source
12/10/2005CA2469288A1 Sonotube full range loudspeaker acoustical reproducer
12/08/2005WO2005117490A2 Method and audio speaker with minimization of wobble of the voice coil
12/08/2005WO2005117487A2 A headset and a headphone
12/08/2005WO2005117486A1 Plasma display device
12/08/2005WO2005117484A1 Speaker system, and speaker cluster system
12/08/2005WO2005117483A1 Audio apparatus and method
12/08/2005WO2005116988A1 Sound production device
12/08/2005US20050273008 Method of generating a predetermined wave field
12/08/2005US20050272476 Free standing wireless microphone with weighted base
12/08/2005US20050271244 Resin frame, resin grille and speaker device
12/08/2005US20050271241 Speaker device
12/08/2005US20050271239 Speaker device
12/08/2005US20050271238 Resin frame, speaker unit and speaker device
12/08/2005US20050271236 Coaxial speaker device and manufacturing method thereof
12/08/2005US20050271235 Sound signal wire and process for enhancing rigidity thereof
12/08/2005US20050271234 Headset having an attachment element for attaching an ear hook to a holding ring
12/08/2005US20050271233 Wind shield and microphone
12/08/2005US20050271232 Speaker module and appratus using this
1 ... 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 ... 422