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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 60
181/149 Moisture proof 53
181/150 Recessed (e.g., wall-mounted, etc.) 276
181/155 Reflector baffle 214
181/156 Reflex baffle 318
181/153 Rounded enclosure (e.g., curved, etc.) 182
181/152 With horn 210
181/151 With sound-absorbing means 162


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8712070 Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities Apr. 29, 2014
8687830 Television apparatus and electronic device Apr. 1, 2014
8678130 Audio apparatus Mar. 25, 2014
8672087 Ceiling loudspeaker support system Mar. 18, 2014
8649548 Structure having acoustic transducer volume Feb. 11, 2014
8631897 Ceiling loudspeaker system Jan. 21, 2014
8627919 Speaker and portable information terminal Jan. 14, 2014
8605936 In-wall loudspeaker mounting method and apparatus Dec. 10, 2013
8561755 Electronic device with speaker Oct. 22, 2013
8522917 Cell phone sound amplifying extend cup Sep. 3, 2013
8511422 Flexible multiple speaker support apparatus Aug. 20, 2013
8490743 Perforation acoustic muffler assembly and method of reducing noise transmission through objects Jul. 23, 2013
8479874 Acoustic enclosure for loudspeakers Jul. 9, 2013
8479871 Ceiling speaker assembly Jul. 9, 2013
8459404 Loudspeaker Jun. 11, 2013
8459403 Front resonator for a speaker of a wireless device Jun. 11, 2013
8443930 Method and apparatus for a loudspeaker assembly May. 21, 2013
8439153 Method and apparatus for a loudspeaker assembly May. 14, 2013
8430201 Speaker enclosure Apr. 30, 2013
8403107 Ceiling loudspeaker system Mar. 26, 2013
8353384 Method and apparatus for a loudspeaker assembly Jan. 15, 2013
8340337 Loudspeaker module Dec. 25, 2012
8315417 Shippable speaker box Nov. 20, 2012
8297402 Ceiling speaker assembly Oct. 30, 2012
8292023 Enclosing adsorbent material Oct. 23, 2012
8276706 Method and apparatus for a loudspeaker assembly Oct. 2, 2012
8270652 Integrated television mount and audio system Sep. 18, 2012
8204266 Audio devices Jun. 19, 2012
8196700 Anti-vibration device Jun. 12, 2012
8191674 Acoustic loading device for loudspeakers Jun. 5, 2012
8194897 Speaker system Jun. 5, 2012
8184820 Indirect acoustic transfer control of noise May. 22, 2012
8167083 Reconfigurable loudspeaker enclosure May. 1, 2012
8141675 Micro-speaker Mar. 27, 2012
8144889 Noise control system using smart materials Mar. 27, 2012
8127885 Method and apparatus for a loudspeaker assembly Mar. 6, 2012
8126179 Diaphragm and sound output apparatus Feb. 28, 2012
8118134 Front resonator for a speaker of a wireless device Feb. 21, 2012
8111855 Microphone assembly and a portable electronic device using the microphone assembly Feb. 7, 2012
8109360 Method and apparatus for a loudspeaker assembly Feb. 7, 2012
8091681 Method and apparatus for a loudspeaker assembly Jan. 10, 2012
8083024 Lightweight speaker enclosure Dec. 27, 2011
8066095 Transverse waveguide Nov. 29, 2011
8036409 Speaker cabinet and speaker using the same Oct. 11, 2011
7886867 Flexible multiple speaker support apparatus Feb. 15, 2011
7886868 Self-draining grill and system incorporating the same Feb. 15, 2011
7878296 Speaker embodying a stereo sound Feb. 1, 2011
7870928 Bass reflex type speaker device Jan. 18, 2011
7866438 Method and apparatus for a loudspeaker assembly Jan. 11, 2011
7861825 Method and apparatus for a loudspeaker assembly Jan. 4, 2011

1 2 3 4 5 6










 
 
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