Electric-mechanical-acoustic-transducer and portable...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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C455S550100, C455S575100, C340S388400, C379S373040

Reexamination Certificate

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10200918

ABSTRACT:
An electric-mechanical-acoustic-transducer includes a diaphragm; a movable section; a driving section for generating a driving force for vibrating the diaphragm and the movable section; and a suppression section for suppressing a sharpness (Q factor) of a vibration force obtained by the vibration of the movable section.

REFERENCES:
patent: 4242541 (1980-12-01), Ando
patent: 5117403 (1992-05-01), Eberl et al.
patent: 5261006 (1993-11-01), Nieuwendijk et al.
patent: 5528697 (1996-06-01), Saito
patent: 6208237 (2001-03-01), Saiki et al.
patent: 6259935 (2001-07-01), Saiki et al.
patent: 6385328 (2002-05-01), Yoo et al.
patent: 6404896 (2002-06-01), Yoo et al.
patent: 1270489 (2000-10-01), None
patent: 0 970 758 (2000-01-01), None
patent: 1 045 613 (2000-10-01), None
patent: 1 063 020 (2000-12-01), None
patent: 58-218296 (1983-12-01), None
patent: 61 018295 (1986-01-01), None
patent: 5-85192 (1993-11-01), None
patent: WO 00 32013 (2000-06-01), None
Chinese Office Action dated Nov. 28, 2003 (4 pages).
European Search Report dated Mar. 9, 2004 (3 pages).

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