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Class Information
Number: 381/87
Name: Electrical audio signal processing systems and devices > Having non-electrical feature (e.g., mounting)
Description: Subject matter including a mechanical adjunct or device such as a mounting means or a specific container for electrical components.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6588543 |
Spring-loaded dog assembly which enables a bezel of a speaker system and structure holding electric device to be mounted in ceilings and walls without having to use external retaining means |
Jul. 8, 2003 |
| 6580801 |
Loudspeaker apparatus |
Jun. 17, 2003 |
| 6449146 |
Notebook personal computer machine |
Sep. 10, 2002 |
| 6389141 |
Combination of a speaker case and a connector for connecting two speaker cases |
May. 14, 2002 |
| 6377694 |
Flush mountable automobile audio amplifier |
Apr. 23, 2002 |
| 6343135 |
Retractable speaker assembly for a partition |
Jan. 29, 2002 |
| 6337914 |
Telescopic transducer mounts |
Jan. 8, 2002 |
| 6327142 |
Portable computing device with leather grain top |
Dec. 4, 2001 |
| 6324294 |
Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements |
Nov. 27, 2001 |
| 6304435 |
Laptop computer with flat panel speakers |
Oct. 16, 2001 |
| 6292358 |
Portable computer having a movable loudspeaker unit |
Sep. 18, 2001 |
| 6243260 |
Retractable speakers for portable computer |
Jun. 5, 2001 |
| 6191942 |
Portable computer |
Feb. 20, 2001 |
| 6175489 |
Onboard speaker system for portable computers which maximizes broad spatial impression |
Jan. 16, 2001 |
| 6157729 |
Anti-theft boat speaker brackets |
Dec. 5, 2000 |
| 6151206 |
Electronic device |
Nov. 21, 2000 |
| 6081421 |
Portable computer having loudspeakers in enclosures formed by gaskets located between a keyboard, a printed circuit board, and a frame |
Jun. 27, 2000 |
| 6078497 |
Portable electronic device having an enhanced speaker system |
Jun. 20, 2000 |
| 6067224 |
Portable information processing apparatus with an improved acoustic effect |
May. 23, 2000 |
| 6043976 |
Docking base for a portable computer |
Mar. 28, 2000 |
| 6035962 |
Easily-combinable and movable speaker case |
Mar. 14, 2000 |
| 6031924 |
Fixed mounting loudspeaker with removable chassis |
Feb. 29, 2000 |
| 5933509 |
Band pass speaker |
Aug. 3, 1999 |
| 5917695 |
Notebook personal computer having a speaker cover structure |
Jun. 29, 1999 |
| 5905804 |
Pad structure for a speaker cabinet |
May. 18, 1999 |
| 5887071 |
Dipole speaker headrests |
Mar. 23, 1999 |
| 5784479 |
Loudspeaker frame |
Jul. 21, 1998 |
| 5771154 |
Heatsink assembly for a high-power device |
Jun. 23, 1998 |
| 5754669 |
Speaker grille |
May. 19, 1998 |
| 5689574 |
Integral sound module for a modular monitor |
Nov. 18, 1997 |
| 5640461 |
Vibration reducing radio speaker assembly |
Jun. 17, 1997 |
| 5627904 |
Miniature loudspeaker clip structure |
May. 6, 1997 |
| 5588066 |
Speaker mounting structure |
Dec. 24, 1996 |
| 5533132 |
Loudspeaker thermal management structure |
Jul. 2, 1996 |
| 5519572 |
Computer peripheral apparatus |
May. 21, 1996 |
| 5502772 |
Speaker having improved sound square, sound bank, sound angle, sound wedge and sound radiators |
Mar. 26, 1996 |
| 5400407 |
Tilt adjuster for a speaker support frame |
Mar. 21, 1995 |
| 5400408 |
High performance stereo sound enclosure for computer visual display monitor and method for construction |
Mar. 21, 1995 |
| 5168525 |
Boundary-layer microphone |
Dec. 1, 1992 |
| 5168527 |
Miniature speaker variable standoff mount |
Dec. 1, 1992 |
| 5048089 |
Portable, removably attached speaker assembly |
Sep. 10, 1991 |
| 5001852 |
Tap-shoe tap-sound amplifying device |
Mar. 26, 1991 |
| 4984278 |
Adjustable mount for a loudspeaker |
Jan. 8, 1991 |
| 4966558 |
Coupler terminal unit for speaker |
Oct. 30, 1990 |
| 4860369 |
Flat speaker unit |
Aug. 22, 1989 |
| 4856070 |
Retractable 2 way microphone |
Aug. 8, 1989 |
| 4852178 |
Speaker retaining assembly |
Jul. 25, 1989 |
| 4847907 |
Speaker system for radiating acoustic energy into a cabin of a motor vehicle |
Jul. 11, 1989 |
| 4811406 |
Compound speaker system |
Mar. 7, 1989 |
| 4811403 |
Ultralight loudspeaker enclosures |
Mar. 7, 1989 |
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