Retractable antenna assembly for a portable radio device

Details Retractable antenna assembly for a portable radio device Retractable antenna assembly for a portable radio device

1996-10-07

1998-06-09

Hajec, Donald T.

Communications: radio wave antennas

Antennas

With radio cabinet

343895, 343900, H01Q 124

Patent

active

057641919

ABSTRACT:
An antenna assembly according to the present invention has a rod antenna movable between a retracted position and an extended position, a helical antenna having a plurality of helical portions which are electrically separated from one another. The rod antenna extends through the inside of the helical antenna when the rod antenna is in the extended position and the rod antenna is removed from the inside of the helical antenna when the rod antenna is in the retracted position. The antenna assembly also includes connecting metal piece for electrically connecting the plurality of helical portions when the rod antenna is in the retracted position so that the plurality of helical portions become operable as a single helical antenna.

REFERENCES:
patent: 5469177 (1995-11-01), Rush et al.
patent: 5504494 (1996-04-01), Chatzipetros et al.
patent: 5548827 (1996-08-01), Hanawa et al.
patent: 5612704 (1997-03-01), Cole

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