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)
07/2005
07/14/2005WO2005064828A1 Digital microphone
07/14/2005WO2004089036A3 Outdoor loudspeaker with passive radiator
07/14/2005US20050153716 Wireless, multi-user audio system
07/14/2005US20050152576 Dome type diaphragm and loudspeaker apparatus
07/14/2005US20050152575 Loudspeaker transducer
07/14/2005US20050152573 Pot type yoke, speaker apparatus and method of manufacturing pot type yoke
07/14/2005US20050152570 Anti-resonant structure for speakers
07/14/2005US20050152569 Speaker apparatus and method of manufacturing the same
07/14/2005US20050152564 Speaker having a transparent panel
07/14/2005US20050152562 Vehicle audio system surround modes
07/14/2005US20050152219 Acoustic transducers for tubulars
07/14/2005US20050150713 Integrated acoustic transducer assembly
07/14/2005DE202005007074U1 Ear piece for a mobile telephone comprises a housing containing a loudspeaker covered by a grid which has a front central tube, and two microphones arranged in the central tube
07/14/2005DE202004020474U1 Vorrichtung zum Ausstatten eines Raumgestaltungsmittels mit einer Lautsprecherfunktion Apparatus for providing a room design means with a speaker function
07/14/2005DE202004019638U1 Quick change connection for connecting microphones, their holders and microphone stands has parts to separate the microphone/holder and stand/support without having to loosen screw connections
07/14/2005CA2552033A1 Loudspeaker and components for use in the construction thereof
07/13/2005EP1552719A1 Delay network microphones with harmonic nesting
07/13/2005EP1552718A1 A transducer for bioacoustic signals
07/13/2005EP1552608A2 Electrical impedance based audio compensation in audio devices and methods therefor
07/13/2005EP1551242A1 Communication apparatus and helmet
07/13/2005CN2710292Y Mouthpiece of microphone
07/13/2005CN2710291Y Shift controller of wire of handfree telephone receiver
07/13/2005CN2710276Y Cheekbone vibration handfree receiver for mobile phone
07/13/2005CN2710255Y Sound controller with skin contact piezoelectric microphone and radio intercome
07/13/2005CN1640189A Textured surfaces for hearing instruments
07/13/2005CN1640185A Headphone
07/13/2005CN1638531A Hydrophobic coating of individual hearing aid components
07/13/2005CN1638528A Loudspeaker unit, loudspeaker device and electronic machine
07/13/2005CN1638507A Actuator
07/13/2005CN1636821A Audio system for two-wheel cycle
07/13/2005CN1210992C Loudspeaker system
07/12/2005CA2359477C Computer input device sterilization method and apparatus
07/12/2005CA2321670C Radial pickup microphone enclosure
07/07/2005WO2005062672A1 Acoustic signal reproducing method
07/07/2005WO2005062671A1 Portable terminal speaker characteristic compensation method
07/07/2005WO2005062397A1 Actuator
07/07/2005US20050149338 Ultrasonic speaker and audio signal playback control method for ultrasonic speaker
07/07/2005US20050148374 Wireless earphone
07/07/2005US20050148227 Microphone output connector
07/07/2005US20050147274 Acoustic device
07/07/2005US20050147273 Acoustic device
07/07/2005US20050147272 Speaker suspension element
07/07/2005US20050147270 Wall mounted speaker enclosure
07/07/2005US20050147269 Earbud adapter
07/07/2005US20050147268 LCD and speaker arrangement
07/07/2005US20050147267 One-size-fits-most hearing aid
07/07/2005US20050145434 Speaker unit for low frequency reproduction
07/07/2005DE202004003078U1 Rear head holder for speech recognition and telephone systems consisting of circular elements abutting top of rear skull via round earpiece members of loop, held behind neck and held by spectacles frame, with adjustable counter holder
07/07/2005DE10357904A1 Microphone capsule, includes pattern of holes in disc facing corresponding pattern of holes in capsule
07/06/2005EP1551203A1 Speaker, speaker module, and electronic apparatus using the speaker module
07/06/2005EP1550351A1 Suspension means for transducer
07/06/2005EP1550346A1 A sound generating apparatus, a mobile electric device and a system for generating sound
07/06/2005EP1550345A2 Piezoelectric loudspeaker
07/06/2005CN2708600Y Warming earphone
07/06/2005CN2708599Y An acoustic coupling composite loudspeaker
07/06/2005CN2708598Y Portable composite sound box
07/06/2005CN2708597Y Highly reliable sound box and bass blaster capable of prompting correct computer on/off
07/06/2005CN1636420A 紧凑的环绕声系统 Compact surround sound system
07/06/2005CN1636118A Stand base having modified hexagonal configuration or anti-rotation feature, or both
07/06/2005CN1209940C Electroacoustic converter and electronic apparatus
07/05/2005US6914998 Speaker apparatus
07/05/2005US6914997 Flexible earhook
07/05/2005US6914996 Portable telephone attachment for person hard of hearing
07/05/2005US6914992 System consisting of a microphone and a preamplifier
07/05/2005US6913110 A speaker enclosure having a substantially seamless rigid outer skin, a middle sound absorbing layer, and a substantially seamless inner skin results in a lightweight speaker having sound absorbing characteristics. The speaker
06/2005
06/30/2005WO2005060305A1 A microphone mount
06/30/2005WO2004068896A3 Ambidextrous earpiece
06/30/2005US20050143677 Method and apparatus for focussing ultrasonic energy
06/30/2005US20050141745 Loudspeaker system, method and apparatus of manufacturing the same
06/30/2005US20050141744 Loudspeaker and components for use in construction thereof
06/30/2005US20050141743 Ear pad, and earphone with the pad
06/30/2005US20050141735 Speaker system to control directivity of a speaker unit using a plurality of microphones and a method thereof
06/30/2005US20050141724 Loudspeaker positions select infrastructure signal
06/30/2005US20050140810 Microphone apparatus, reproducing apparatus, and image taking apparatus
06/30/2005US20050139414 Gyrating acoustical bearing brackets
06/30/2005US20050139413 Articulating vehicle speaker assembly
06/30/2005US20050139013 Ultrasonic sensor
06/30/2005DE202005002151U1 Microphone arrangement, has signal filter positioned between top-end and air chamber
06/30/2005DE202004002026U1 Headset for audio equipment with side arms and brackets engaging wearer's ears has loudspeaker housing with mountings for curved flexible side arms with enlarged ends with holes
06/30/2005DE10357065A1 Headset used by person in vehicle, has adder combines air-borne noise and audio signals picked up by microphones
06/30/2005DE10309028B4 Verbundwerkstoff für Gehäuse oder Schallführungen für akustische Geräte und Verfahren zur Herstellung der Gehäuse oder Schallführungen A composite material for housing or sound ducts for acoustic devices and methods for manufacturing the housing or sound ducts
06/30/2005DE10233456B4 Mikrofon Microphone
06/29/2005EP1549105A1 Headphone
06/29/2005EP1549104A1 Speaker device
06/29/2005EP1548911A1 Charging device and charging method
06/29/2005EP1547435A1 Loudspeaker
06/29/2005EP1547434A2 Wireless interactive headset
06/29/2005EP1547432A1 Double-resonator micro-speaker assemblies and methods for tuning the same
06/29/2005EP1547431A1 Apparatus and method for moisture control in an enclosure for e.g. loudspeakers
06/29/2005EP1547430A2 Acoustic reproduction device with improved directional characteristics
06/29/2005EP1389082B1 Earmuff with earphone
06/29/2005EP1197119B1 Acoustic protective cover assembly
06/29/2005CN2706987Y Ear receiving/transmitting non-interference earphone
06/29/2005CN2706986Y Portable communication apparatus
06/29/2005CN2706985Y Insert earphone
06/29/2005CN2706984Y Loudspeaker box
06/29/2005CN1633825A Card sound device and electronic apparatus having same
06/29/2005CN1633209A A rotary sound box
06/29/2005CN1633208A Setting method and apparatus for panel loudspeaker case with inner lining micropunch sound absorption material
06/29/2005CN1208992C Contact connection of electrostatic microphone converter
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