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Class Information
Number: 181/148
Name: Acoustics > Diaphragm and enclosure
Description: Subject matter having means that can be vibrated by sound waves or produce sound waves and means to support and means to at least partially contain the vibrated means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7350618 |
Multimedia speaker product |
Apr. 1, 2008 |
| 7349207 |
Heat dissipating audio systems and methods thereof |
Mar. 25, 2008 |
| 7331420 |
Frame for speaker device and speaker device |
Feb. 19, 2008 |
| 7328769 |
Rigging system for loudspeaker arrays |
Feb. 12, 2008 |
| 7261180 |
Rigging system for speaker cabinets |
Aug. 28, 2007 |
| 7252175 |
Speaker apparatus and manufacturing method of speaker apparatus |
Aug. 7, 2007 |
| 7252176 |
Reflex-ported folded horn enclosure |
Aug. 7, 2007 |
| 7237648 |
Surround sound positioning tower system and method |
Jul. 3, 2007 |
| 7219763 |
Microphone assembly fitted to vehicle-mounted control module panel, that fits well |
May. 22, 2007 |
| 7207413 |
Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems |
Apr. 24, 2007 |
| 7096995 |
Polyurethane foam cabinets |
Aug. 29, 2006 |
| 7090047 |
Surround sound positioning tower system and method |
Aug. 15, 2006 |
| 6991289 |
Seatback audio system |
Jan. 31, 2006 |
| 6975735 |
Sound collecting device minimizing electrical noise |
Dec. 13, 2005 |
| 6973994 |
Apparatus for increasing the quality of sound from an acoustic source |
Dec. 13, 2005 |
| 6918462 |
Fastening arrangement for an upholstery part covering a vehicle loudspeaker |
Jul. 19, 2005 |
| 6918461 |
Dual mono center channel |
Jul. 19, 2005 |
| 6910549 |
Embedded multimedia speaker structure |
Jun. 28, 2005 |
| 6907955 |
Electromagnetic electroacoustic transducer |
Jun. 21, 2005 |
| 6896096 |
Acoustic structures |
May. 24, 2005 |
| 6886658 |
Loudspeaker enclosure system |
May. 3, 2005 |
| 6862360 |
Speaker system |
Mar. 1, 2005 |
| 6837333 |
Loudspeaker system with forced air circulation and control circuit therefor |
Jan. 4, 2005 |
| 6834744 |
Speaker system |
Dec. 28, 2004 |
| 6807284 |
Speaker and speaker device |
Oct. 19, 2004 |
| 6801631 |
Speaker system with multiple transducers positioned in a plane for optimum acoustic radiation pattern |
Oct. 5, 2004 |
| 6705426 |
Acoustic diffuser and method of production |
Mar. 16, 2004 |
| 6686036 |
Material for casing for acoustic equipment and casing for acoustic equipment fabricated therefrom |
Feb. 3, 2004 |
| 6678387 |
Loudspeaker having cooling system |
Jan. 13, 2004 |
| 6675930 |
Speaker holder |
Jan. 13, 2004 |
| 6675932 |
Speaker housing configured to minimize standing waves and resonate above the frequency range of transducers |
Jan. 13, 2004 |
| 6655495 |
Loudspeaker damper and loudspeaker |
Dec. 2, 2003 |
| 6640924 |
Rigging system for loudspeakers |
Nov. 4, 2003 |
| 6588544 |
Speaker box with molded plastic end caps |
Jul. 8, 2003 |
| 6561311 |
Speaker cabinet |
May. 13, 2003 |
| 6513624 |
Loudspeaker enclosure |
Feb. 4, 2003 |
| 6430297 |
Speaker and speaker device |
Aug. 6, 2002 |
| 6418231 |
High back EMF, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround |
Jul. 9, 2002 |
| 6397972 |
Loudspeakers |
Jun. 4, 2002 |
| 6399870 |
Musical instruments incorporating loudspeakers |
Jun. 4, 2002 |
| 6390231 |
Loudspeaker with directed airflow cooling |
May. 21, 2002 |
| 6356643 |
Electro-acoustic transducer |
Mar. 12, 2002 |
| 6321868 |
Watertight apparatus capable of being immersed and including an acoustic transducer |
Nov. 27, 2001 |
| 6223853 |
Loudspeaker system incorporating acoustic waveguide filters and method of construction |
May. 1, 2001 |
| 6215882 |
Panel-form loudspeaker |
Apr. 10, 2001 |
| 6215887 |
Thin type speaker having a secondary diaphragm |
Apr. 10, 2001 |
| 6160897 |
Apparatus for operation in an on-ear mode and an off-ear mode |
Dec. 12, 2000 |
| 6095278 |
Base for holding the tweeter of a speaker |
Aug. 1, 2000 |
| 6069962 |
Point source speaker system |
May. 30, 2000 |
| 6059069 |
Loudspeaker waveguide design |
May. 9, 2000 |
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