Telephonic communications – Terminal – Having loudspeaking conversation capability
Reexamination Certificate
2008-04-01
2008-04-01
Al-Aubaidi, Rasha S. (Department: 2614)
Telephonic communications
Terminal
Having loudspeaking conversation capability
C379S431000, C379S433020
Reexamination Certificate
active
07352859
ABSTRACT:
A method of manufacturing a telephony earpiece is provided. The method includes providing a speaker diaphragm and constraining the speaker diaphragm using a cap to provide a thin cavity between the cap and the diaphragm. The first resonance peak of the diaphragm/cavity system is damped by a first slow leak in the cap. The frequency response is built up using a rear resonator in the cap and the high frequency end response is enhanced using a front resonator on an opposite side of said diaphragm as said cap. Positioning of these resonator holes is an important factor. The earpiece is tuned using a second leak to adjust amplitude of low frequency end response.
REFERENCES:
patent: 4395597 (1983-07-01), Suzuki et al.
patent: 5058154 (1991-10-01), Andersen
patent: 5717753 (1998-02-01), Birmanns
patent: 5729605 (1998-03-01), Bobisuthi et al.
patent: 5790679 (1998-08-01), Hawker et al.
patent: 5953414 (1999-09-01), Abraham et al.
patent: 6282287 (2001-08-01), Lin
patent: 6324284 (2001-11-01), Hawker et al.
patent: 6438227 (2002-08-01), Kretsch
patent: 6473625 (2002-10-01), Williams et al.
patent: 6493456 (2002-12-01), Hansson
patent: 6668063 (2003-12-01), Cimaz et al.
patent: 6704429 (2004-03-01), Lin
patent: 6785395 (2004-08-01), Arneson et al.
patent: 6922471 (2005-07-01), Marqvardsen et al.
patent: 2002/0136398 (2002-09-01), Dufosse et al.
patent: 2665045 (1992-01-01), None
patent: 61139200 (1986-06-01), None
patent: WO 01/33904 (2001-05-01), None
Beisner Hans
Dedieu Stephane
Moquin Philippe
Tanaka Kiichiro
Al-Aubaidi Rasha S.
Jones Day
Mitel Networks Corporation
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