H04R 5 - Stereophonic arrangements

Patents for H04R 5 - Stereophonic arrangements (11,598)
12/2004
12/21/2004	US6834113 Loudspeaker system
12/17/2004	CA2433248A1 Apparatus to provide wireless headset audio device encased within a form factor of a helmet such as a motorcycle helmet, military helmet, ski or snowboard helmet, outdoor adventure helmet, or construction helmet, or a module which augments any helmet to provide this capability
12/16/2004	WO2004110096A1 Flat panel speaker
12/16/2004	WO2004109854A1 Radio frequency antenna in a wireless device
12/16/2004	US20040252857 Handheld electronics devices with multiple user sensory transducers and methods
12/16/2004	US20040252847 Sound system with passive speaker and proximity antenna
12/16/2004	US20040251078 Embedded multimedia speaker structure
12/16/2004	DE202004015751U1 Portable MP3 player for use with motor vehicle audio system, emits a signal to blanket a specific channel on the vehicle FM receiver to transfer audio
12/16/2004	DE202004011647U1 Resistance network for generation of stereo sound effect, has front and surround sound loudspeaker joined by additional plus-minus line
12/16/2004	DE202004011510U1 Headpiece hearing capsule for stereo binaural sound effect, has drivers turned vertically and shifted horizontally at front and rear edges of headpiece hearing capsule
12/16/2004	CA2432832A1 Headphones for 3d sound
12/15/2004	EP1487236A2 Sound system with equalization for a convertible automobile
12/15/2004	EP1487233A1 Image display device
12/15/2004	EP1486094A2 Resonator device and associated circuits
12/15/2004	CN2664334Y Resonance effect applied circuit
12/14/2004	US6831984 Noise reducing
12/14/2004	US6830275 Speaker mounted in recreational vehicle
12/09/2004	WO2004107803A1 Virtual multi-channel speaker unit
12/09/2004	WO2004107802A1 Method for reproducing audio sound in a motor vehicle, and loudspeaker housing therefor
12/09/2004	US20040247141 Convertible automobile sound system equalizing
12/09/2004	US20040247140 Parametric virtual speaker and surround-sound system
12/09/2004	US20040247139 Audio/video remote control with built-in earphone system
12/09/2004	US20040247138 Audio/video remote control with built-in earphone system
12/09/2004	US20040247132 Acoustic correction apparatus
12/09/2004	DE20315655U1 Loudspeaker housing has three acoustic walls forming equilateral triangle and forward facing large acoustic wall is associated with co-called front or rear center, and equal sides with left and right front or rear channels
12/09/2004	DE10349800A1 Bluetooth headset for e.g. cellular phone, has controller setting vibration mode to headset if boom is closed to main body, and performing incoming call indication operation at predetermined incoming call indication mode
12/08/2004	EP1483936A2 Headphone
12/08/2004	CN2662579Y Sound box and stacked composite structure thereof
12/08/2004	CN2662578Y A rotary sound box with adjustable rack
12/08/2004	CN1179491C Casing of audio device
12/07/2004	US6829365 MP-3 player
12/07/2004	US6829361 Headphones with integrated microphones
12/06/2004	CA2430356A1 Apparatus to provide wireless headset audio device encased within a form factor of a pair of eyeglasses, sunglasses, or eyeware accessories
12/02/2004	WO2004105434A1 Mobile communication terminal, and sound generator used on said communication terminal
12/02/2004	WO2004092700A3 A method and device for determining acoustical transfer impedance
12/02/2004	WO2004080112A3 Earphone antenna and radio device with same
12/02/2004	US20040240697 Constant-beamwidth loudspeaker array
12/02/2004	US20040240689 Electronic apparatus
12/02/2004	US20040240688 Loudspeaking structure applied on a portable computer
12/02/2004	US20040240687 Flat panel speaker
12/02/2004	US20040240681 Method and apparatus for identifying the direction of incidence of an incoming audio signal
12/02/2004	US20040240676 Sound field measurement device
12/02/2004	DE10314348A1 Controller especially for loudspeaker e.g. surround system, has actual value required for loudspeaker membrane deflection calculated in digital signal processor
12/01/2004	EP1482763A2 Sound field measurement device
12/01/2004	EP1481391A1 Methods and systems for generating phase-derivative sound
12/01/2004	CN1551657A Bluetooth headset and method for informing user of incoming call signal using the same
12/01/2004	CN1551601A 移动终端 The mobile terminal
11/2004
11/30/2004	US6823536 Showerhead with removable electronic media device
11/26/2004	CA2468147A1 Sound field measurement device
11/25/2004	WO2004100691A1 Conductive buttonhole interconnect
11/25/2004	WO2003104924A3 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
11/25/2004	US20040237111 Multimedia and entertainment system for an automobile
11/25/2004	US20040234088 Wired, wireless, infrared, and powerline audio entertainment systems
11/25/2004	US20040234081 Automobile audio system
11/25/2004	US20040234079 Method and system for acoustic shock protection
11/25/2004	DE10319751A1 Headset used by person in vehicle, has adder combines air-borne noise and audio signals picked up by microphones
11/24/2004	EP1479265A1 Voice detection and discrimination apparatus and method
11/24/2004	EP1479263A1 Modular loudspeaker
11/24/2004	EP1416767B1 Device for monitoring and amplifying audio signals
11/24/2004	EP1258166B1 Method for fixing earphones and/or mini-microphones
11/24/2004	CN1549463A Blueteeth apparatus capable of transmitting stereo
11/18/2004	US20040229658 Bluetooth headset and method for informing user of incoming call signal using the same
11/18/2004	US20040229515 Plug attaching mechanism
11/18/2004	US20040228497 Multimedia car stereo system
11/18/2004	DE10318683A1 Sound and/or image reproduction device e.g. for in-car entertainment system, using frequency separation box for freqecy separation in stereo channels
11/18/2004	DE10254404B4 Audiowiedergabesystem und Verfahren zum Wiedergeben eines Audiosignals The audio reproduction system and method for reproducing an audio signal
11/17/2004	EP1477043A2 Compact surround-sound system
11/17/2004	EP0847661B2 Acoustic device
11/17/2004	CN1547418A Movable hidden type remote controlled microphone
11/17/2004	CN1547416A Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein
11/16/2004	US6819939 Cellular phone with high-quality sound reproduction capability
11/16/2004	US6819771 Vest with piezoelectric transducer for practicing music
11/16/2004	US6819767 Speaker unit and sound reproduction apparatus using the same
11/16/2004	US6817440 Multi-channel headphones
11/11/2004	WO2004098235A1 Headphone for spatial sound reproduction
11/11/2004	WO2004098077A1 Apparatus for detecting a module
11/11/2004	WO2004097351A2 Determining reverberation time
11/11/2004	US20040224731 Mobile terminal
11/11/2004	US20040223622 Digital wireless loudspeaker system
11/10/2004	EP1475992A2 Electroacoustical transducing
11/10/2004	EP1475988A1 Card sound device and electronic apparatus having same
11/10/2004	EP1127476A4 Point source speaker system
11/10/2004	CN2655578Y Head-earphone
11/10/2004	CN2655577Y Supra-aural earphone
11/10/2004	CN1175708C Speaker device
11/10/2004	CN1175707C Loudspeaker device of displayer
11/09/2004	US6816597 Pseudo stereophonic device
11/04/2004	WO2004095880A2 Sound and/or image reproduction unit, and use of a removable operator panel
11/04/2004	US20040218773 Loudspeaker array
11/04/2004	US20040218770 Audio device with retractable earpieces
11/04/2004	US20040218764 Point source speaker system
11/04/2004	US20040216946 Headphone
11/03/2004	EP1473963A1 Loudspeaker mounting frame, loudspeaker and loudspeaker cabinet
11/03/2004	EP1473843A1 Apparatus for detecting a module
11/03/2004	EP1238566B1 Method and device for improving communication in a vehicle
11/03/2004	CN2653828Y Head carried noise killing earphone
11/03/2004	CN1543753A Sound image localizer
11/03/2004	CN1543261A Loudspeaker mounting frame, loudspeaker and loudspeaker cabinet
11/02/2004	US6813577 Speaker detecting device
11/02/2004	US6813528 Apparatus and method for outputting audio signal of laptop computer coupled with docking station

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