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Class Information
Number: 381/306
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Stereo speaker arrangement > With image presentation means
Description: Subject matter in which the transducers are arranged to emit sound in conjunction with a television screen, computer monitor, motion picture screen, etc.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7461281 Capacitive load driving circuit, electrostatic transducer, method of setting circuit constant, ultrasonic speaker, display device, and directional acoustic system Dec. 2, 2008
7457421 Circuit and program for processing multichannel audio signals and apparatus for reproducing same Nov. 25, 2008
7451077 Acoustic presentation system and method Nov. 11, 2008
7447009 Portable electronic device Nov. 4, 2008
7410029 Bass reflex type loudspeaker apparatus, loudspeaker box and image display apparatus Aug. 12, 2008
7386140 Audio information transforming method, audio information transforming program, and audio information transforming device Jun. 10, 2008
7382885 Multi-channel audio reproduction apparatus and method for loudspeaker sound reproduction using position adjustable virtual sound images Jun. 3, 2008
7330552 Multiple positional channels from a conventional stereo signal pair Feb. 12, 2008
7327848 Visualization of spatialized audio Feb. 5, 2008
7305097 Controlling fading and surround signal level Dec. 4, 2007
7280665 Image display device with built-in loudspeakers Oct. 9, 2007
7224816 Waved/corrugated and stepped surface design for speaker box, and method of standardization of speaker box assemblies for television of different screen sizes May. 29, 2007
7187777 Sound reproducing system simulating Mar. 6, 2007
7184566 Bass reflex type speaker device, mounting structure and mounting method for speaker device Feb. 27, 2007
7181029 Speaker system for picture receiver and speaker installing method Feb. 20, 2007
7142683 Computer with acoustic driver built into acoustically leaky chassis Nov. 28, 2006
7120265 Casing for an electronic device and process for assembly of such a casing Oct. 10, 2006
7103194 Wall hanged audio arrangement Sep. 5, 2006
7076078 LCD and speaker arrangement Jul. 11, 2006
7072484 Information processing apparatus having speakers Jul. 4, 2006
7043027 System for detecting failures in a loudspeaker assembly May. 9, 2006
7043044 Portable audio player May. 9, 2006
7013012 Method for processing sound effects in a notebook computer Mar. 14, 2006
6999595 Slide-on speaker assembly Feb. 14, 2006
6983053 Method of selecting a frequency band of an output audio signal by a computer Jan. 3, 2006
6977653 Surround sound display Dec. 20, 2005
6975738 Television system with digital sound Dec. 13, 2005
6937739 Loudspeaker set with elastic adapter Aug. 30, 2005
6925188 Ported speaker enclosure of a portable computer Aug. 2, 2005
6918461 Dual mono center channel Jul. 19, 2005
6867820 Method for displaying audio settings menu of display apparatus Mar. 15, 2005
6813528 Apparatus and method for outputting audio signal of laptop computer coupled with docking station Nov. 2, 2004
6807051 Display apparatus Oct. 19, 2004
6791519 Sound and vision system Sep. 14, 2004
6789642 Display enclosure having thin speaker Sep. 14, 2004
6760456 Planar speaker for multimedia laptop PCs Jul. 6, 2004
6760448 Compatible matrix-encoded surround-sound channels in a discrete digital sound format Jul. 6, 2004
6731764 Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein May. 4, 2004
6708797 Display enclosure having thin speaker Mar. 23, 2004
6697687 Image display apparatus having audio output control means in accordance with image signal type Feb. 24, 2004
6697495 Portable computer speaker assembly Feb. 24, 2004
6671171 Portable electronic device having chassis reinforcement system Dec. 30, 2003
6643377 Audio output system and method therefor Nov. 4, 2003
6600827 Externally mounted speaker for notebook computer Jul. 29, 2003
6597794 Portable electronic device having an external speaker chamber Jul. 22, 2003
6580802 Waved/corrugated and stepped surface design for speaker box, and method of standardization of speaker box assemblies for television of different screen sizes Jun. 17, 2003
6522763 Impact-resistant electronic device Feb. 18, 2003
6477256 Method and device for local linking of optical and acoustic signals Nov. 5, 2002
6415035 Information processing apparatus having speakers Jul. 2, 2002
6381335 Audio speaker system for personal computer Apr. 30, 2002

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