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)
11/2007
11/15/2007US20070263894 Bessel line source array
11/15/2007US20070263879 Headset for use with a communication and/or multimedia device
11/15/2007DE202007010361U1 Anpressdruckeinstellung für die Headsethalterungen an Pilotenhelmen Anpressdruckeinstellung for the headset mounts on flight helmets
11/15/2007DE102006042209B3 Ohrstöpselartiger Ohrhörer mit regulierbarem Volumen einer zwischen Lautsprecher und Gehäuse angeordneten Frontkammer Earplugs Grand earphones with adjustable volume being provided between the loudspeaker and the front chamber
11/15/2007DE102006042207B3 Ohrstöpselartiger Ohrhörer mit regulierbarem Volumen der rückwertigen Kammer, die zwischen dem Lautsprecher und dem Gehäuse vorgesehen ist Earplugs Grand earphones with adjustable volume of rückwertigen chamber provided between the speaker and the housing
11/15/2007DE102006021508A1 Acoustic structure for vehicle seat`s backrest, has loudspeaker unit firmly provided at back of hanging plate unit, and noise-conducting pad unit facing front of hanging plate unit, where cover covers filling and noise-conducting pad unit
11/14/2007EP1855506A2 Method and apparatus to direct sound using an array of output transducers
11/14/2007EP1855505A1 Sound receiver
11/14/2007EP1854332A2 Electromagnetic lever diaphragm audio transducer
11/14/2007CN200976678Y Portable loudspeaker box
11/14/2007CN200976677Y Combined sound equipment
11/14/2007CN200976674Y Thin type high pitch loudspeaker
11/14/2007CN200976671Y Whole-sound loudspeaker
11/14/2007CN200976670Y Computer loudspeaker device
11/14/2007CN200976667Y Bluetooth earphone having noise-eliminating function
11/14/2007CN200976666Y Multifunctional earphone
11/14/2007CN200976665Y Earphone for protecting audition
11/14/2007CN200976664Y Toy loudspeaker box
11/14/2007CN200976275Y Audio player
11/14/2007CN101072452A Deep-sea piezoelectric underwater-acoustic transducer and its manufacturing method
11/14/2007CN101072451A 音箱面罩 Speaker mask
11/14/2007CN101072450A Dropping-proof external structure for single-ear cable earphone microphone device
11/13/2007CA2370076C Ultrasonic transducer with improved compressive loading
11/08/2007WO2007127822A2 Reconfigurable audio-video surround sound receiver (avr) and method
11/08/2007WO2007127821A2 Method and apparatus for calibrating a sound beam-forming system
11/08/2007WO2007127781A2 Method and system for surround sound beam-forming using vertically displaced drivers
11/08/2007WO2007127762A2 Method and system for sound beam- forming using internal device speakers in conjunction with external speakers
11/08/2007WO2007127757A2 Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges
11/08/2007WO2007126705A2 Speakerphone with downfiring speaker and directional microphones
11/08/2007WO2007126406A1 Headphone for playing audio files
11/08/2007WO2007125569A1 Speaker system
11/08/2007WO2007125449A1 Device for and method of estimating directivity of a microphone arrangement
11/08/2007WO2007125116A1 Apparatus, electronic sound system, attachment system and item of clothing
11/08/2007WO2006094399A3 Sound filtering system for gaming environments
11/08/2007US20070258617 Electromagnetic lever diaphragm audio transducer
11/08/2007US20070258616 Electroacoustic transducer with resistance to shock-waves
11/08/2007US20070258615 Damper of rectangular-shaped slim speaker
11/08/2007US20070258612 Cooling system for loudspeaker transducers
11/08/2007US20070258611 Angle-adjustable mechanism for portable speaker system
11/08/2007US20070256888 Speaker System With Improved Frequency Response
11/07/2007EP1853085A2 Acoustic noise reducing
11/07/2007EP1851992A2 Method and apparatus for ambient sound therapy user interface and control system
11/07/2007EP1851991A1 Loudspeaker cabinet and reproduction system
11/07/2007EP1850758A1 Sound monitor
11/07/2007EP1723825B1 Apparatus and method for controlling a wave field synthesis rendering device
11/07/2007EP1419671A4 Bass reflex-type headphone
11/07/2007CN200973176Y Multimedia mini-combined loudspeaker box
11/07/2007CN200973171Y Flat TV. loudspeaker
11/07/2007CN200973170Y Electric-saving earphone
11/07/2007CN200973169Y Blue-tooth earphone and charger special for it
11/07/2007CN200973168Y Wire microphone with voice signal mixing recording function
11/07/2007CN200973167Y Loudspeaker completed with flat TV.
11/07/2007CN200973166Y Hanging loudspeaker box
11/06/2007US7292833 Reception system for multisensor antenna
11/06/2007US7292706 Support structure of loudspeaker unit and loudspeaker system
11/06/2007US7292703 Headphones
11/06/2007US7292702 In-wall speaker system method and apparatus
11/06/2007US7292697 Audio reproducing system
11/06/2007US7292695 Bone conductive speaker
11/06/2007US7290639 Method for manufacturing speaker-use center cap
11/01/2007WO2007123292A1 The portable speaker resonator for varying high-pitched sound and low-pitched sound
11/01/2007WO2007123052A1 Adaptive array control device, method, program, adaptive array processing device, method, program
11/01/2007WO2007123051A1 Adaptive array controlling device, method, program, and adaptive array processing device, method, program
11/01/2007WO2007123048A1 Adaptive array control device, method, and program, and its applied adaptive array processing device, method, and program
11/01/2007WO2007123047A1 Adaptive array control device, method, and program, and its applied adaptive array processing device, method, and program
11/01/2007WO2007122805A1 Connector for connecting cable of hand microphone with antenna to portable radio machine body
11/01/2007WO2007122749A1 Sound pickup device and voice conference apparatus
11/01/2007WO2007122487A2 Headset with integral hook
11/01/2007WO2007122390A1 Phase plug
11/01/2007WO2007122386A1 Phase plug
11/01/2007US20070255539 Waveguide modeling and design system
11/01/2007US20070253583 Method and system for sound beam-forming using internal device speakers in conjunction with external speakers
11/01/2007US20070253575 Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges
11/01/2007US20070253574 Method and apparatus for selectively extracting components of an input signal
10/2007
10/31/2007EP1850632A2 Active noise reduction microphone placing
10/31/2007EP1850629A1 Handheld electronic device having hidden sound openings offset from an audio source
10/31/2007EP1850628A1 Bone-conduction speaker set, electronic device, electronic translation system, auditory sensation system, navigation device, and portable telephone
10/31/2007EP1224037B1 Method and apparatus to direct sound using an array of output transducers
10/31/2007DE19744603B4 Kopfstütze für ein Kraftfahrzeug Headrest for a motor vehicle
10/31/2007DE102006031842B3 Tonabnehmersystem zur Abtastung von Analogschallplatten Pickup System for detection of analog records
10/31/2007CN200969672Y Multichannel loudspeaker box having heavy bass
10/31/2007CN200969671Y Passive loudspeaker box vibration plate
10/31/2007CN200969670Y Ear hanging earphone
10/31/2007CN200969669Y Earphone receiving device and electronic device having loudspeaker box function
10/31/2007CN200969668Y Multifunctional economic loudspeaker
10/31/2007CN200969667Y Portable amplifier
10/31/2007CN200969666Y Portable loudspeaker box
10/31/2007CN200969665Y Integrated loudspeaker box
10/31/2007CN200969664Y Minisize waterproof vehicle mounted audio-frequency amplifier
10/31/2007CN101064972A System and method for generating auditory spatial cues
10/30/2007US7289641 Multiple channel earphone
10/30/2007US7289640 Adjustable bluetooth wireless earphone
10/30/2007US7289627 Hinge, and opening/closing type portable terminal device having the same
10/30/2007US7289038 Underwater sound radiation apparatus
10/30/2007CA2264143C Cone reflector/coupler speaker system and method
10/27/2007CA2586350A1 Handheld electronic device having hidden sound openings offset from an audio source
10/25/2007WO2007120413A1 Cable user interface
10/25/2007WO2007119427A1 Tspeaker device and television receiver using the speaker device
10/25/2007WO2003041446A3 Adjustable speaker box for the sports bar of a vehicle
10/25/2007US20070248238 Biologically fit wearable electronics apparatus and methods
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