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Class Information
Number: 381/300
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Stereo speaker arrangement
Description: Subject matter including transducers for reproducing the sound signals, and the spatial relationship of the transducers to their surroundings.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616767 |
Method and device for determining acoustical transfer impedance |
Nov. 10, 2009 |
| 7606380 |
Method and system for sound beam-forming using internal device speakers in conjunction with external speakers |
Oct. 20, 2009 |
| 7606377 |
Method and system for surround sound beam-forming using vertically displaced drivers |
Oct. 20, 2009 |
| 7603080 |
Multiple channel wireless communication system |
Oct. 13, 2009 |
| 7577265 |
Loudspeaker system providing improved sound presence and frequency response in mid and high frequency ranges |
Aug. 18, 2009 |
| 7571503 |
Headphone pillow |
Aug. 11, 2009 |
| 7558393 |
System and method for compatible 2D/3D (full sphere with height) surround sound reproduction |
Jul. 7, 2009 |
| 7538820 |
Information terminal device with angled output units |
May. 26, 2009 |
| 7529376 |
Directional speaker control system |
May. 5, 2009 |
| 7526093 |
System for configuring audio system |
Apr. 28, 2009 |
| 7460673 |
Point source speaker system |
Dec. 2, 2008 |
| 7457421 |
Circuit and program for processing multichannel audio signals and apparatus for reproducing same |
Nov. 25, 2008 |
| 7457425 |
Vehicle sound system |
Nov. 25, 2008 |
| 7447316 |
Speaker system |
Nov. 4, 2008 |
| 7441630 |
Multi-driver speaker system |
Oct. 28, 2008 |
| 7412267 |
Mobile device with a combination attachment and acoustic port |
Aug. 12, 2008 |
| 7412067 |
Acoustic apparatus and acoustic setting method |
Aug. 12, 2008 |
| 7382888 |
Phase shifting audio signal combining |
Jun. 3, 2008 |
| 7362874 |
Speaker system having a front speaker integrated with a reflection-type surround speaker |
Apr. 22, 2008 |
| 7359671 |
Multiple channel wireless communication system |
Apr. 15, 2008 |
| 7340062 |
Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids |
Mar. 4, 2008 |
| 7317932 |
Portable phone capable of being switched into hearing aid function |
Jan. 8, 2008 |
| 7302061 |
Dual-tweeter loudspeaker |
Nov. 27, 2007 |
| 7242785 |
Portable powered speaker |
Jul. 10, 2007 |
| 7237648 |
Surround sound positioning tower system and method |
Jul. 3, 2007 |
| 7233769 |
Multiple channel wireless communication system |
Jun. 19, 2007 |
| 7231053 |
Enhanced multi-channel audio surround sound from front located loudspeakers |
Jun. 12, 2007 |
| 7224992 |
Four pole stereo headset with push to talk capability in a duplex radio |
May. 29, 2007 |
| 7188196 |
Method and apparatus for playing analog audio to multiple codec outputs |
Mar. 6, 2007 |
| 7146018 |
Multichannel acoustic signal reproducing apparatus |
Dec. 5, 2006 |
| 7136671 |
Speaker module connectable to an earphone jack of mobile phone and method for using same |
Nov. 14, 2006 |
| 7099483 |
Sound control system, sound control device, electronic device, and method for controlling sound |
Aug. 29, 2006 |
| 7090047 |
Surround sound positioning tower system and method |
Aug. 15, 2006 |
| 7092541 |
Surround sound loudspeaker system |
Aug. 15, 2006 |
| 7085387 |
Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources |
Aug. 1, 2006 |
| 7076204 |
Multiple channel wireless communication system |
Jul. 11, 2006 |
| 7050596 |
System and headphone-like rear channel speaker and the method of the same |
May. 23, 2006 |
| 7043027 |
System for detecting failures in a loudspeaker assembly |
May. 9, 2006 |
| 7024003 |
Wireless speaker system suitable for hard-wired audio system |
Apr. 4, 2006 |
| 7024002 |
Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |
Apr. 4, 2006 |
| 7006645 |
Audio reproduction apparatus |
Feb. 28, 2006 |
| 6990210 |
System for headphone-like rear channel speaker and the method of the same |
Jan. 24, 2006 |
| 6987947 |
Multiple channel wireless communication system |
Jan. 17, 2006 |
| 6983053 |
Method of selecting a frequency band of an output audio signal by a computer |
Jan. 3, 2006 |
| 6983054 |
Means for compensating rear sound effect |
Jan. 3, 2006 |
| 6961433 |
Stereophonic sound field reproducing apparatus |
Nov. 1, 2005 |
| 6937737 |
Multi-channel audio surround sound from front located loudspeakers |
Aug. 30, 2005 |
| 6817440 |
Multi-channel headphones |
Nov. 16, 2004 |
| 6807053 |
Computer with built-in type speakers |
Oct. 19, 2004 |
| 6760446 |
Point source speaker system |
Jul. 6, 2004 |
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