Retractable antenna system

Details Retractable antenna system Retractable antenna system

1995-10-10

1997-07-22

Hajec, Donald T.

Communications: radio wave antennas

Antennas

With radio cabinet

343895, 343900, H01Q 124

Patent

active

056507895

ABSTRACT:
A retractable antenna system for an electrical device includes a rod antenna movable to an extended position or to a retracted position, an electrical coil carried by one end of the rod antenna and movable therewith to the extended and retracted positions, and a coil antenna carried by the electrical device coaxially with the rod antenna such as to enclose the electrical coil and to be electromagnetically coupled thereto in the retracted position of the rod antenna and electrical coil.

REFERENCES:
patent: 3087117 (1963-04-01), Mitchell
patent: 4095229 (1978-06-01), Elliott
patent: 4121218 (1978-10-01), Irwin et al.
patent: 4190841 (1980-02-01), Harada
patent: 4598295 (1986-07-01), Murphy
patent: 4725845 (1988-02-01), Phillips
patent: 4860024 (1989-08-01), Egashira
patent: 4862182 (1989-08-01), Egashira
patent: 4868576 (1989-09-01), Johnson, Jr.
patent: 4958382 (1990-09-01), Imanishi
patent: 5177492 (1993-01-01), Tomura et al.
patent: 5204687 (1993-04-01), Elliott et al.
patent: 5374937 (1994-12-01), Tsunekawa et al.
patent: 5446469 (1995-08-01), Makino
patent: 5479178 (1995-12-01), Ha
patent: 5504494 (1996-04-01), Chatzipetros et al.

Affiliated with

Also associated with

Rating

Retractable antenna system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Retractable antenna system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Retractable antenna system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1562700