Alignment cam for non-circular retractable antenna

Details Alignment cam for non-circular retractable antenna Alignment cam for non-circular retractable antenna

2007-03-13

2007-03-13

Wong, Don (Department: 2163)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S878000, C343S900000

Reexamination Certificate

active

10885193

ABSTRACT:
A retractable antenna (100) is provided that includes a body (106) having an orifice (204), a whip (104) retractably coupled to the body (106), at least one follower (200) disposed about the whip (104), and a cam (202) disposed about the orifice (204). The cam (202) is shaped such that the at least one follower (200) interacts with the cam (202) during retraction of the whip (104) so as to rotate the whip as necessary to align the whip in a rotational position that allows full retraction of the antenna. Also provided are an electronic communication device (102) that includes at least one such non-circular retractable antenna (100), and an alignment system for rotationally aligning an extendable portion of a non-circular retractable antenna(100) during retraction.

REFERENCES:
patent: 5484446 (1996-01-01), Burke et al.
patent: 5683396 (1997-11-01), Tokish et al.
patent: 5764191 (1998-06-01), Tsuda
patent: 5945953 (1999-08-01), Tsuda et al.
patent: 5969683 (1999-10-01), Hayes et al.
patent: 6078291 (2000-06-01), Paulick et al.
patent: 6285340 (2001-09-01), Park et al.
patent: 6608606 (2003-08-01), Chang
patent: 2004/0227676 (2004-11-01), Kim et al.
patent: 2000349522 (2000-12-01), None

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