Antenna unit using helical hinge spring

Details Antenna unit using helical hinge spring Antenna unit using helical hinge spring

2005-06-07

2005-06-07

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S895000

Reexamination Certificate

active

06903694

ABSTRACT:
Disclosed is an antenna unit using a helical hinge spring which is used for a portable terminal including (A) a main housing, (B) a sub housing, and (C) a hinge module rotatably opening and closing the sub housing from and into the main housing and including a hinge shaft having one end attached to the main housing and the other end positioned within the sub housing and serving to interconnect the main housing and the sub housing, a hinge cam being slid by the hinge shaft and moving forward and backward, the helical hinge spring for providing a force for closely adhering the hinge shaft to the hinge cam, and a hinge housing for accommodating the hinge shaft, the hinge cam, and the helical hinge spring, the antenna unit comprising: (a) the helical hinge spring disposed in a direction of a hinge axis and serving as a helical antenna; and (b) a conductive member including a contact portion disposed between the helical hinge spring and the hinge cam and closely adhered to the helical hinge spring, and a center portion extending from a center of the contact portion in the direction of the hinge axis and passing through the hinge cam and the hinge shaft.

REFERENCES:
patent: 6115886 (2000-09-01), Fujita
patent: 6259897 (2001-07-01), Kim
patent: 6272356 (2001-08-01), Dolman et al.
patent: 100 06 530 (2001-08-01), None
patent: 1 263 189 (2002-12-01), None
patent: 2001284934 (2001-10-01), None
European Search Report dated Aug. 11, 2003 issued in a counterpart application, namely, Appln. No. 03001202.5.

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