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Browse by Category: Main > Communications
Class Information
Number: 181/141
Name: Acoustics > Combined
Description: Subject matter to which has been added a subcombination or assembly which is recognized as the subject matter of some other class.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8666104 Lighting and audio communication system Mar. 4, 2014
8425749 Microfabricated particle focusing device Apr. 23, 2013
8300869 Lighting and audio communication system Oct. 30, 2012
8292246 Apparatus for an inclinable support of a speaker Oct. 23, 2012
7992673 On-wall loudspeaker and mounting apparatus Aug. 9, 2011
7861821 Acoustically transmissive blanket system Jan. 4, 2011
7635402 Air filter status evaluator Dec. 22, 2009
7628249 Automotive speaker enclosure Dec. 8, 2009
7299892 Door trim speaker grille with electroluminescent lamp and injection molding method of making same Nov. 27, 2007
7287614 Engine compartment cover Oct. 30, 2007
7097321 Earpiece light Aug. 29, 2006
7044086 Animal raising and lowering system May. 16, 2006
6997057 Sound pollution surveillance system and method Feb. 14, 2006
6991289 Seatback audio system Jan. 31, 2006
6926116 Speaker mounted in recreational vehicle Aug. 9, 2005
6834978 Earpiece light Dec. 28, 2004
6824591 Air filter for an internal combustion engine Nov. 30, 2004
6801633 Subwoofer assembly Oct. 5, 2004
6792120 Audio signal enhancement and amplification system Sep. 14, 2004
6637910 Earpiece light Oct. 28, 2003
6578658 Accoustic chamber integrated with vehicle door Jun. 17, 2003
6527080 Passive system for speech enhancement Mar. 4, 2003
6527237 Crossbar bracket assembly for speakers and monitors Mar. 4, 2003
6494381 Cooling fan in sync with audio output level Dec. 17, 2002
6478108 Speaker box Nov. 12, 2002
6457547 Holder for a loudspeaker to be mounted in a motor vehicle and method for its manufacture Oct. 1, 2002
6354397 Attachment fixture for the front panel and grill of a speaker assembly Mar. 12, 2002
6356645 Electroacoustic transducer for a headrest loudspeaker Mar. 12, 2002
6310958 Sound-producing arrangement for a motor vehicle Oct. 30, 2001
6298942 Housing having a loudspeaker system Oct. 9, 2001
6258438 Vehicle shelf trim panel with insert molded speaker grille Jul. 10, 2001
6237715 Subwoofer assembly May. 29, 2001
6170602 Sound emitting and vibratable blanket Jan. 9, 2001
6157729 Anti-theft boat speaker brackets Dec. 5, 2000
6142254 Decorative speaker cover Nov. 7, 2000
6076631 Bass reflex box of an automobile radio-sound system Jun. 20, 2000
6076885 Speaker support bar for use above vehicle headliner Jun. 20, 2000
6000493 Sound activated lighted woofer speaker Dec. 14, 1999
5996727 Exterior noise absorbing cover for automotive loudspeaker Dec. 7, 1999
5984049 Roll of web-shaped material with a signal-generating means Nov. 16, 1999
5979590 Sound bar assembly for motor vehicles Nov. 9, 1999
5939682 Molded in speaker grid Aug. 17, 1999
5932850 Speaker system Aug. 3, 1999
5929751 Rear mounted vehicular horn Jul. 27, 1999
5920039 Speaker support bar and sound chamber above vehicle headliner Jul. 6, 1999
5894113 Method and apparatus for providing personalized light source and sound system Apr. 13, 1999
5883341 Message cube Mar. 16, 1999
5866857 Structure of modem shell with round sound suppression Feb. 2, 1999
5850060 Acoustic lens device Dec. 15, 1998
5792999 Noise attenuating in ported enclosure Aug. 11, 1998

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