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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:

Class Number Class Name Patents
181/154 Inclined diaphragm 58
181/149 Moisture proof 40
181/150 Recessed (e.g., wall-mounted, etc.) 216
181/155 Reflector baffle 194
181/156 Reflex baffle 283
181/153 Rounded enclosure (e.g., curved, etc.) 165
181/152 With horn 172
181/151 With sound-absorbing means 140


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7614479 Sound enhancement module Nov. 10, 2009
7610810 Methods for producing acoustic sources Nov. 3, 2009
7607512 Speaker assembly for a structural pole and a method for mounting same Oct. 27, 2009
7604090 Circuit-unit-combined speaker apparatus Oct. 20, 2009
7584820 Acoustic radiating Sep. 8, 2009
7565948 Acoustic waveguiding Jul. 28, 2009
7565949 Flat panel display module having speaker function Jul. 28, 2009
7556122 Upward-exhausting corner horn enclosure Jul. 7, 2009
7530425 Speaker enclosure for a ceiling or wall mounted speaker method and apparatus May. 12, 2009
7506721 Convertible folded horn enclosure Mar. 24, 2009
7503423 Electronic apparatus Mar. 17, 2009
7478703 Speaker cabinet and speaker device Jan. 20, 2009
7461718 Loudspeaker enclosure incorporating a leak to compensate for the effect of acoustic modes on loudspeaker frequency response Dec. 9, 2008
7448467 Acoustic enclosures Nov. 11, 2008
7441630 Multi-driver speaker system Oct. 28, 2008
7416048 Portable terminal apparatus Aug. 26, 2008
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
7252176 Reflex-ported folded horn enclosure Aug. 7, 2007
7252175 Speaker apparatus and manufacturing method of speaker apparatus 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
6973994 Apparatus for increasing the quality of sound from an acoustic source Dec. 13, 2005
6975735 Sound collecting device minimizing electrical noise 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
6675930 Speaker holder Jan. 13, 2004
6678387 Loudspeaker having cooling system 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

1 2 3 4


 
 
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