Speaker system

Acoustics – Diaphragm and enclosure – With sound-absorbing means

Reexamination Certificate

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Details

C181S148000, C381S345000, C381S354000

Reexamination Certificate

active

07743877

ABSTRACT:
A speaker system that includes a speaker unit, a cabinet, a plurality of protruding materials, and a gas adsorbing material. The cabinet forms a chamber at a backside of the speaker unit. The plurality of protruding materials are formed inside the chamber and connected to the cabinet. The gas adsorbing material is supported, in a space, by the plurality of protruding materials. Accordingly, it is possible to easily increase a contact area between the gas adsorbing material and the space theresurrounding.

REFERENCES:
patent: 4450929 (1984-05-01), Marrs
patent: 4657108 (1987-04-01), Ward
patent: 4677019 (1987-06-01), von Blucher
patent: 7448467 (2008-11-01), Wright et al.
patent: 7463747 (2008-12-01), Kuze et al.
patent: 7477755 (2009-01-01), Saiki et al.
patent: 7504033 (2009-03-01), Takagi et al.
patent: 2001/0030078 (2001-10-01), Jones et al.
patent: 2004/0251077 (2004-12-01), Wright et al.
patent: 2005/0181841 (2005-08-01), Dou
patent: 2007/0165895 (2007-07-01), Matsumura et al.
patent: 197 23 338 (1998-12-01), None
patent: 1 696 694 (2006-08-01), None
patent: 60-500645 (1985-05-01), None
patent: 01-226296 (1989-09-01), None
patent: 05-130690 (1993-05-01), None
patent: 2003-070085 (2003-03-01), None
patent: 2004-537938 (2004-12-01), None
patent: 03/101147 (2003-12-01), None
Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 149459/1980 (Laid-open No. 72680/1982) (Kenzo Inoue), May 4, 1982, Full text; Figs. 1 to 3.
Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 54872/1979 (Laid-open No. 155170/1980) (Mitsubishi Electric Corp.), Nov. 8, 1980, Full text; Fig. 6.
Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 21766/1980 (Laid-open No. 123688/1981) (Sony Corp.), Sep. 19, 1981, Full text; Figs. 1 to 6.
Microfilm of the specification and drawings annexed to the request of Japanese Utility Model Application No. 5014/1978 (Laid-open No. 18801/1980) (Onkyo Corp.), Feb. 6, 1980, Full text; Figs. 1 to 2.
Supplementary European Search Report dated Apr. 1, 2009 for European Application No. 06715063.1.
Wright, J. R., “The Virtual Loudspeaker Cabinet” Journal of the Audio Engineering Society, Audio Engineering Society, New York, NY, US, vol. 51, No. 4, Apr. 1, 2003, pp. 244-247, XP001177694.

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