Retractable antenna for a mobile telephone

Details Retractable antenna for a mobile telephone Retractable antenna for a mobile telephone

1998-11-20

2000-04-25

Wong, Don

Communications: radio wave antennas

Antennas

With radio cabinet

343895, H01Q 124

Patent

active

060549602

ABSTRACT:
An antenna for a mobile telephone for applying to an ordinary gain antenna for GSM and a high gain antenna for ICO. The antenna comprises a strip of flexible insulating material having provided thereon a plurality of lines of conductive material, the strip is formed into a roll with one end at the outside of the roll and the other end inside the roll, the other end is drawable from the roll to extend the strip into an elongated conical shape.

REFERENCES:
patent: 3863405 (1975-02-01), Leiter
patent: 4375642 (1983-03-01), Dorrie et al.
patent: 4435716 (1984-03-01), Zandbergen
patent: 4447816 (1984-05-01), Kurina
patent: 4725845 (1988-02-01), Phillips
patent: 5198831 (1993-03-01), Burrell et al.
patent: 5541617 (1996-07-01), Connolly et al.
patent: 5828348 (1998-10-01), Tassoudji et al.
patent: 5872549 (1999-02-01), Huynh et al.

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