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Class Information
Number: 381/332
Name: Electrical audio signal processing systems and devices > Having non-electrical feature (e.g., mounting) > And loudspeaker
Description: Subject matter where the specific container holds a transducer for converting an electrical signal into sound, e.g., a transducer baffle or housing.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7483544 |
Audio device post extension and angling system |
Jan. 27, 2009 |
| 7469053 |
Stand system with integrated electrical plug for portable electronic devices |
Dec. 23, 2008 |
| 7440582 |
Trim panel with integrally formed attachment member |
Oct. 21, 2008 |
| 7377358 |
Frame for speaker device and speaker device |
May. 27, 2008 |
| 7263196 |
Mobile communications terminal with flat loudspeaker disposed in the terminal housing |
Aug. 28, 2007 |
| 7130432 |
Speaker mounting system and method |
Oct. 31, 2006 |
| 7100879 |
Speaker bracket |
Sep. 5, 2006 |
| 7043034 |
Loudspeaker with single or dual channel input selector and lockout |
May. 9, 2006 |
| 7043042 |
Button apparatus with a speaker |
May. 9, 2006 |
| 7031476 |
Method and apparatus for intelligent speaker |
Apr. 18, 2006 |
| 6711546 |
Unary coding scheme for digital audio signals |
Mar. 23, 2004 |
| 6704429 |
Earphone without impulse noise and surroundings blockade |
Mar. 9, 2004 |
| 6546298 |
Speaker apparatus and a computer system incorporating same |
Apr. 8, 2003 |
| 6463160 |
Low profile loudspeaker assembly |
Oct. 8, 2002 |
| 6373955 |
Loudspeakers |
Apr. 16, 2002 |
| 6339649 |
Loudspeaker system with stackable loudspeaker units |
Jan. 15, 2002 |
| 6335975 |
Rainproof and omnidirectional loudspeaker system |
Jan. 1, 2002 |
| 6192137 |
Garment capable of outputting a sound |
Feb. 20, 2001 |
| 6175489 |
Onboard speaker system for portable computers which maximizes broad spatial impression |
Jan. 16, 2001 |
| 6154553 |
Sound bubble structures for sound reproducing arrays |
Nov. 28, 2000 |
| 6111968 |
Sound production apparatus |
Aug. 29, 2000 |
| 6035962 |
Easily-combinable and movable speaker case |
Mar. 14, 2000 |
| 5898137 |
Speaker system for television set |
Apr. 27, 1999 |
| 5898787 |
Fetal and infant audio bag apparatus |
Apr. 27, 1999 |
| 5887071 |
Dipole speaker headrests |
Mar. 23, 1999 |
| 5841877 |
Vehicle armrest transducing |
Nov. 24, 1998 |
| 5828766 |
Acoustic speaker system |
Oct. 27, 1998 |
| 5812685 |
Non-directional speaker system with point sound source |
Sep. 22, 1998 |
| 5812675 |
Sound reproducing array processor system |
Sep. 22, 1998 |
| 5807617 |
Hollow structural component |
Sep. 15, 1998 |
| 5809150 |
Surround sound loudspeaker system |
Sep. 15, 1998 |
| 5809153 |
Electroacoustical transducing |
Sep. 15, 1998 |
| 5802194 |
Stereo loudspeaker system with tweeters mounted on rotatable enlongated arms |
Sep. 1, 1998 |
| 5793876 |
Method for the diffusion of a sound with a given density |
Aug. 11, 1998 |
| 5789693 |
Loudspeaker system for electronic piano |
Aug. 4, 1998 |
| 5784473 |
Sound system |
Jul. 21, 1998 |
| 5771154 |
Heatsink assembly for a high-power device |
Jun. 23, 1998 |
| 5764776 |
System for imparting sensory effects across a mother's abdomen to a fetus |
Jun. 9, 1998 |
| 5761322 |
Portable computer speaker enclosure |
Jun. 2, 1998 |
| 5751821 |
Speaker system with reconfigurable, high-frequency dispersion pattern |
May. 12, 1998 |
| 5745584 |
Sound bubble structures for sound reproducing arrays |
Apr. 28, 1998 |
| 5742690 |
Personal multimedia speaker system |
Apr. 21, 1998 |
| 5740259 |
Pressure wave transducing |
Apr. 14, 1998 |
| 5737787 |
Pillow radio apparatus |
Apr. 14, 1998 |
| 5732140 |
Acoustic speaker system with expandable speaker enclosure |
Mar. 24, 1998 |
| 5710821 |
Audio communications system with built in expansion capability for a desktop computer |
Jan. 20, 1998 |
| 5699558 |
Garment for audio stimulation of fetus |
Dec. 23, 1997 |
| 5689570 |
Sound reproducing array processor system |
Nov. 18, 1997 |
| 5689574 |
Integral sound module for a modular monitor |
Nov. 18, 1997 |
| 5677961 |
Connecting element for speaker elements |
Oct. 14, 1997 |
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