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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 |
| 7623668 |
Audio alert system and method |
Nov. 24, 2009 |
| 7623895 |
FM transmitter for portable audio device |
Nov. 24, 2009 |
| 7613313 |
System and method for control of audio field based on position of user |
Nov. 3, 2009 |
| 7609840 |
System and method for hierarchical audio conflict control |
Oct. 27, 2009 |
| 7596228 |
Parametric array modulation and processing method |
Sep. 29, 2009 |
| 7596229 |
Parametric audio system for operation in a saturated air medium |
Sep. 29, 2009 |
| 7587053 |
Audio-based position tracking |
Sep. 8, 2009 |
| 7587055 |
Sound collection system |
Sep. 8, 2009 |
| 7577261 |
Wireless audio system using wireless local area network |
Aug. 18, 2009 |
| 7577260 |
Method and apparatus to direct sound |
Aug. 18, 2009 |
| 7564981 |
Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same |
Jul. 21, 2009 |
| 7561932 |
System and method for processing multi-channel audio |
Jul. 14, 2009 |
| 7546252 |
Approach for managing rental items across a plurality of distribution locations |
Jun. 9, 2009 |
| 7545946 |
Method and system for surround sound beam-forming using the overlapping portion of driver frequency ranges |
Jun. 9, 2009 |
| 7532729 |
Method for testing an appliance comprising an audio port, and a respective appliance |
May. 12, 2009 |
| 7522733 |
Systems and methods of spatial image enhancement of a sound source |
Apr. 21, 2009 |
| 7522734 |
Distributed acoustic reverberation for audio collaboration |
Apr. 21, 2009 |
| 7519185 |
Earphone detection circuit |
Apr. 14, 2009 |
| 7509181 |
System and method for request, delivery and use of multimedia files for audiovisual entertainment |
Mar. 24, 2009 |
| 7509182 |
Providing multiple audio streams to an audio device as a single input |
Mar. 24, 2009 |
| 7505793 |
Wireless earpiece assembly |
Mar. 17, 2009 |
| 7502481 |
Microphone with ultrasound/audible mixing chamber to secure audio path |
Mar. 10, 2009 |
| 7496419 |
Modulation output device |
Feb. 24, 2009 |
| 7492912 |
Multi-channel speaker system and a connection system thereof |
Feb. 17, 2009 |
| 7492913 |
Location aware directed audio |
Feb. 17, 2009 |
| 7492914 |
Audio receiving system |
Feb. 17, 2009 |
| 7483538 |
Wireless and wired speaker hub for a home theater system |
Jan. 27, 2009 |
| 7474753 |
Sound field control apparatus, signal processing apparatus, sound field control program, and signal processing program |
Jan. 6, 2009 |
| 7471987 |
Determining location of an audience member having a portable media monitor |
Dec. 30, 2008 |
| 7471988 |
Method and apparatus for automatic equalization mode activation |
Dec. 30, 2008 |
| 7457423 |
Multi-accessory vehicle audio system, switch and method |
Nov. 25, 2008 |
| 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 |
| 7319762 |
Headset with flashing light emitting diodes |
Jan. 15, 2008 |
| 7319763 |
Power amplification for parametric loudspeakers |
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 |
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