Acoustic diaphragm and speaker

Acoustics – Diaphragm – Critically defined material or coating

Reexamination Certificate

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Details

C181S166000, C181S170000, C381S423000, C381S426000

Reexamination Certificate

active

07845461

ABSTRACT:
An acoustic diaphragm includes a diaphragm formed of a uniform material and a first standing wave suppression member provided on a surface of the diaphragm along a first direction of passing through a center of the diaphragm.

REFERENCES:
patent: 1882974 (1932-10-01), Schlenker
patent: 1990409 (1935-02-01), Lawrance
patent: 1994866 (1935-03-01), Ovenhausen
patent: 2531634 (1950-11-01), Lawrance
patent: 3464514 (1969-09-01), Ishimura et al.
patent: 4020299 (1977-04-01), Garner et al.
patent: 4076098 (1978-02-01), Ward
patent: 4100992 (1978-07-01), Rehde et al.
patent: 4135601 (1979-01-01), Tsukagoshi et al.
patent: 4581496 (1986-04-01), Sweany
patent: 4654554 (1987-03-01), Kishi
patent: 4699242 (1987-10-01), Ono
patent: 4727584 (1988-02-01), Hall
patent: 4893695 (1990-01-01), Tamura et al.
patent: 5256837 (1993-10-01), Pak, II
patent: 5304746 (1994-04-01), Purvine
patent: 6574347 (2003-06-01), Linse
patent: 6839444 (2005-01-01), Ellis et al.
patent: 7120263 (2006-10-01), Azima et al.
patent: 7467686 (2008-12-01), Imamura et al.
patent: 7483545 (2009-01-01), Nagaoka
patent: 7546897 (2009-06-01), Takebe et al.
patent: 7677355 (2010-03-01), Imamura et al.
patent: 2001/0055402 (2001-12-01), Azima
patent: 2004/0168851 (2004-09-01), Imamura et al.
patent: 2005/0078850 (2005-04-01), Norton
patent: 2006/0182307 (2006-08-01), Sakamoto
patent: 2008/0006475 (2008-01-01), Imanishi et al.
patent: 2008/0053745 (2008-03-01), Tada et al.
patent: 2009/0028376 (2009-01-01), Saito et al.
patent: 57023393 (1982-02-01), None
patent: 62107599 (1987-05-01), None
patent: 63190498 (1988-08-01), None
patent: 01288100 (1989-11-01), None
patent: 03201795 (1991-09-01), None
patent: 10304492 (1998-11-01), None
patent: 2004254013 (2004-09-01), None
patent: 2009065647 (2009-03-01), None

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