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Class Information
Number: 181/155
Name: Acoustics > Diaphragm and enclosure > Reflector baffle
Description: Subject matter wherein the vibrated means is substantially enclosed and a portion of a radiation wave from in front of the vibrated means is deflected or modified.


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7296653 Sound control apparatus Nov. 20, 2007
7263387 Speaker module design Aug. 28, 2007
7207413 Closed loop embedded audio transmission line technology for loudspeaker enclosures and systems Apr. 24, 2007
7201252 Loudspeaker systems Apr. 10, 2007
7123725 High intensity infrasonic tunable resonant acoustic test cell Oct. 17, 2006
RE39330 Speaker system and a method for improving sound quality thereof Oct. 10, 2006
7093688 Structure for preventing the generation of standing waves and a method for implementing the same Aug. 22, 2006
6886658 Loudspeaker enclosure system May. 3, 2005
6860363 Planar acoustic waveguide Mar. 1, 2005
6820718 Acoustic reproduction device with improved directional characteristics Nov. 23, 2004
6758303 Electronic device having a multi-mode acoustic system and method for radiating sound waves Jul. 6, 2004
6755277 Speaker resonance voicebox Jun. 29, 2004
6705426 Acoustic diffuser and method of production Mar. 16, 2004
6675932 Speaker housing configured to minimize standing waves and resonate above the frequency range of transducers Jan. 13, 2004
6643377 Audio output system and method therefor Nov. 4, 2003
6634455 Thin-wall multi-concentric sleeve speaker Oct. 21, 2003
6603862 Spherical loudspeaker system Aug. 5, 2003
6597797 Spherical loudspeaker system with enhanced performance Jul. 22, 2003
6578660 Speaker enclosure venturi expander Jun. 17, 2003
6568502 Sounder, speaker and sound head using the sounder May. 27, 2003
6520282 Sound enhancement mechanism for speaker sound system Feb. 18, 2003
6516072 Loudspeaker Feb. 4, 2003
6502662 Speaker having a hemispherical vibrator Jan. 7, 2003
6435301 Apparatus for the redistriabution of acoustic energy Aug. 20, 2002
6425456 Hollow semicircularly curved loudspeaker enclosure Jul. 30, 2002
6356643 Electro-acoustic transducer Mar. 12, 2002
6320971 Speaker system and a method for improving sound quality thereof Nov. 20, 2001
6257365 Cone reflector/coupler speaker system and method Jul. 10, 2001
6223853 Loudspeaker system incorporating acoustic waveguide filters and method of construction May. 1, 2001
6152257 Audio speaker Nov. 28, 2000
6134332 Sound lens speaker system Oct. 17, 2000
6122386 Adjustable speaker system with reflector Sep. 19, 2000
6069962 Point source speaker system May. 30, 2000
6068080 Apparatus for the redistribution of acoustic energy May. 30, 2000
6009972 Omni-directional speaker system Jan. 4, 2000
5995634 Speaker and lamp combination Nov. 30, 1999
5988314 Sound output system Nov. 23, 1999
5949893 Loudspeaker box Sep. 7, 1999
5943430 Television stereophonic audio system Aug. 24, 1999
5943431 Loudspeaker with tapered slot coupler and sound reproduction system Aug. 24, 1999
5898137 Speaker system for television set Apr. 27, 1999
5886304 Omni-directional sound system Mar. 23, 1999
5874695 Speaker assembly Feb. 23, 1999
5821470 Broadband acoustical transmitting system Oct. 13, 1998
5815589 Push-pull transmission line loudspeaker Sep. 29, 1998
5804774 Ported reflex horn Sep. 8, 1998
5802196 Speaker for radiating sound waves in all directions relative to a speaker supporting surface Sep. 1, 1998
5793001 Synchronized multiple transducer system Aug. 11, 1998
5784473 Sound system Jul. 21, 1998
5764782 Acoustic reflector Jun. 9, 1998

1 2 3 4


 
 
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