Telecommunications – Receiver or analog modulated signal frequency converter – Cabinet – housing – or chassis structure
Reexamination Certificate
2007-02-06
2007-02-06
Gesesse, Tilahun (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Cabinet, housing, or chassis structure
C455S090300, C455S575100
Reexamination Certificate
active
10678273
ABSTRACT:
A receiver includes a rear yoke inside a housing, a first acoustic paper bonded to an annular base of the rear yoke to block a rear open side of a tubular body of the rear yoke, an annular magnet supported on the annular base around the tubular body, a front yoke disposed at a front side of the magnet, a vibration diaphragm stretched in front of the yokes, a voice coil suspended in an annular space between the yokes, a tubular cushion fitted into the tubular body of the rear yoke, and an annular cushion (or annular step) set between the magnet and the tubular body, and a second acoustic paper covering an air hole at a rear side of the housing.
REFERENCES:
patent: 4843477 (1989-06-01), Mizutani et al.
patent: 5966647 (1999-10-01), Sawai
patent: 2006/0166698 (2006-07-01), Saiki et al.
Browdy and Neimark PLLC
Gesesse Tilahun
Merry Electronics Co., Ltd.
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