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Class Information
Number: 381/77
Name: Electrical audio signal processing systems and devices > One-way audio signal program distribution
Description: Subject matter for delivering the output of an audio signal source to a remote location, or to a plurality of electric-signal-to-sound transducers.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7440750 |
Signal routing for reduced power consumption in a conferencing system |
Oct. 21, 2008 |
| 7424118 |
Moving object equipped with ultra-directional speaker |
Sep. 9, 2008 |
| 7391872 |
Parametric audio system |
Jun. 24, 2008 |
| 7386004 |
Digital broadcast system |
Jun. 10, 2008 |
| 7386134 |
Entertainment device |
Jun. 10, 2008 |
| 7376476 |
Methods for changing time intervals of the occurrence of audio information from local and remote sites |
May. 20, 2008 |
| 7343017 |
System for playback of pre-encoded signals through a parametric loudspeaker system |
Mar. 11, 2008 |
| 7319763 |
Power amplification for parametric loudspeakers |
Jan. 15, 2008 |
| 7319762 |
Headset with flashing light emitting diodes |
Jan. 15, 2008 |
| 7313242 |
Hypersonic transducer |
Dec. 25, 2007 |
| 7298853 |
Parametric virtual speaker and surround-sound system |
Nov. 20, 2007 |
| 7292502 |
Systems and methods for producing a sound pressure field |
Nov. 6, 2007 |
| 7277551 |
Sound reproducing apparatus and sound reproducing method |
Oct. 2, 2007 |
| 7272073 |
Method and device for generating information relating to the relative position of a set of at least three acoustic transducers |
Sep. 18, 2007 |
| 7266927 |
Drive-in movie theater with short range sound system |
Sep. 11, 2007 |
| 7262359 |
Digital recording device for electric guitars and the like |
Aug. 28, 2007 |
| 7254454 |
Future capture of block matching clip |
Aug. 7, 2007 |
| 7242780 |
Audio signal cable with passive network |
Jul. 10, 2007 |
| 7236600 |
Transmission of power and/or signalling between an audio distribution unit and a plurality of remote audio transducers |
Jun. 26, 2007 |
| 7233769 |
Multiple channel wireless communication system |
Jun. 19, 2007 |
| 7224808 |
Dynamic carrier system for parametric arrays |
May. 29, 2007 |
| 7206417 |
Wireless digital transmission system for loudspeakers |
Apr. 17, 2007 |
| 7181025 |
Ultrasound based parametric loudspeaker system |
Feb. 20, 2007 |
| 7181023 |
Distributed stereo system |
Feb. 20, 2007 |
| 7181024 |
Portable audio listening apparatus |
Feb. 20, 2007 |
| 7171005 |
P.A. system installation method |
Jan. 30, 2007 |
| 7162042 |
Modulator processing for a parametric speaker system |
Jan. 9, 2007 |
| 7162227 |
Signal routing for reduced power consumption in a conferencing system |
Jan. 9, 2007 |
| 7155017 |
System and method for controlling audio signals for playback |
Dec. 26, 2006 |
| 7146011 |
Steering of directional sound beams |
Dec. 5, 2006 |
| 7130430 |
Phased array sound system |
Oct. 31, 2006 |
| 7130435 |
Component selection control system |
Oct. 31, 2006 |
| 7127074 |
Method and apparatus for sleep conditioning |
Oct. 24, 2006 |
| 7110552 |
Personal listening device for arena events |
Sep. 19, 2006 |
| 7099483 |
Sound control system, sound control device, electronic device, and method for controlling sound |
Aug. 29, 2006 |
| 7096169 |
Virtual speaker demonstration system and virtual noise simulation |
Aug. 22, 2006 |
| 7095866 |
Wireless 900 MHz broadcast link |
Aug. 22, 2006 |
| 7088830 |
Parametric ring emitter |
Aug. 8, 2006 |
| 7082203 |
Wireless audio transmission method and apparatus for coupling audio players to audio receivers |
Jul. 25, 2006 |
| 7076204 |
Multiple channel wireless communication system |
Jul. 11, 2006 |
| 7065418 |
Systems and methods for encoding a DMX data stream and decoding an AES digital audio stream |
Jun. 20, 2006 |
| 7062050 |
Preprocessing method for nonlinear acoustic system |
Jun. 13, 2006 |
| 7031476 |
Method and apparatus for intelligent speaker |
Apr. 18, 2006 |
| 7024002 |
Method and apparatus for spatially enhancing the stereo image in sound reproduction and reinforcement systems |
Apr. 4, 2006 |
| 7024381 |
Approach for renting items to customers |
Apr. 4, 2006 |
| 7024003 |
Wireless speaker system suitable for hard-wired audio system |
Apr. 4, 2006 |
| 7016508 |
Audio apparatus |
Mar. 21, 2006 |
| 7006164 |
Automobile audio-video theater system |
Feb. 28, 2006 |
| 7003122 |
Portable audio device with body/motion signal reporting device |
Feb. 21, 2006 |
| 6993141 |
System for distributing a signal between loudspeaker drivers |
Jan. 31, 2006 |
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