Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-12-01
2008-12-16
Nguyen, Duc (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S575100, C455S575300, C455S575400, C455S550100
Reexamination Certificate
active
07467000
ABSTRACT:
A hinge device of portable equipment and telephones uses fewer parts, facilitating an assembly and reducing the costs while enabling complex operations. The device includes a first portion for rotably connecting a first case body and a second case body constituting a portable telephone, with each other around a first hinge pin, and a second portion for rotably connecting the hinge pin perpendicular to the first hinge pin. The second portion includes the second hinge pin and a second cam mechanism with biasing assembly that controls rotation of the hinge body. The first portion includes a hinge case body the first hinge pin, and a first cam mechanism with biasing assembly that controls rotation of the hinge body. At least one of the first and second cam mechanisms includes a double-sided cam having a double-sided cam portion.
REFERENCES:
patent: 2005/0066474 (2005-03-01), Hsu et al.
patent: 2004-138092 (2004-05-01), None
Katoh Electric Machinery Co., Ltd.
Nguyen Duc
Notaro & Michalos P.C.
Phuong Dai A
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