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Class Information
Number: 381/394
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Mounting or support feature of housed loudspeaker > Electrical hardware
Description: Subject matter including circuit boards, terminals, terminal blocks, signal conductors (i.e., wires, leads, or cords), etc.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8705756 Distributed audio system Apr. 22, 2014
8666107 Loudspeaker Mar. 4, 2014
8611564 3.5 mm audio plug with built-in lighting source Dec. 17, 2013
8548188 Diaphragm, method making the same and loudspeaker using the same Oct. 1, 2013
8538060 Voice coil lead wire and loudspeaker using the same Sep. 17, 2013
8520884 Audio/video device Aug. 27, 2013
8515117 Bobbin and loudspeaker using the same Aug. 20, 2013
8467564 Loudspeaker Jun. 18, 2013
8391538 Earphone Mar. 5, 2013
8391537 Damper and loudspeaker using the same Mar. 5, 2013
8385579 Diaphragm and loudspeaker using the same Feb. 26, 2013
8369560 Damper and loudspeaker using the same Feb. 5, 2013
8351641 Portable sound box Jan. 8, 2013
8345914 Voice coil bobbin and loudspeaker using the same Jan. 1, 2013
8331605 Voice coil and loudspeaker using the same Dec. 11, 2012
8325947 Thermoacoustic device Dec. 4, 2012
8325965 Audio speaker having a tweeter capable of continuous rotation Dec. 4, 2012
8325966 Detachable loudspeaker structure having both audio and supporting functions Dec. 4, 2012
8311262 Loudspeaker ceiling mount bracket Nov. 13, 2012
8311244 Thermoacoustic device Nov. 13, 2012
8290197 Electrostatic speaker systems and methods Oct. 16, 2012
8284965 Thermoacoustic device with flexible fastener and loudspeaker using the same Oct. 9, 2012
8265319 Expandable speaker assemblies for portable media devices Sep. 11, 2012
8249280 Thermoacoustic device Aug. 21, 2012
8238580 Module having a remote turn-on function for use with a powered subwoofer/speaker or other audio/visual electrical equipment Aug. 7, 2012
8238581 Powered subwoofer/speaker remote turn-on function Aug. 7, 2012
8238586 Thermoacoustic device Aug. 7, 2012
8160290 Electroacoustic transducer having a slotted terminal structure for connection to a flexible wire, and an assembly of the same Apr. 17, 2012
8150046 Audio jack for a portable electronic device Apr. 3, 2012
8111867 Electronic device with a speaker Feb. 7, 2012
8098834 Distributed audio system Jan. 17, 2012
8094861 Speaker Jan. 10, 2012
8081790 Loudspeaker structure of electronic device Dec. 20, 2011
8073184 Speaker device Dec. 6, 2011
8059855 Speaker device and television set Nov. 15, 2011
8041048 Electromagnetically-countered speaker systems and methods Oct. 18, 2011
8023685 Electroacoustic transducer and electronic device using the same Sep. 20, 2011
7995784 Speaker device Aug. 9, 2011
7940950 Electromagnetically-shielded speaker systems and methods May. 10, 2011
7912242 Speaker apparatus and terminal member Mar. 22, 2011
7828556 Audio magnetic connection and indexing device Nov. 9, 2010
7822221 Speaker device Oct. 26, 2010
7672471 Light bulb loudspeaker and sound system Mar. 2, 2010
7583812 Electro-acoustic converter and electronic device using the same Sep. 1, 2009
7545948 Loudspeaker Jun. 9, 2009
7379558 Loudspeaker with integrated spider standoff ring May. 27, 2008
7356157 Loudspeaker lead wire management system Apr. 8, 2008
7349551 Lapel microphone with push to talk switch Mar. 25, 2008
7274797 Speaker housing Sep. 25, 2007
7043034 Loudspeaker with single or dual channel input selector and lockout May. 9, 2006

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