Antenna for a two-way radio

Details Antenna for a two-way radio Antenna for a two-way radio

1997-01-08

1999-01-05

Wong, Don

Communications: radio wave antennas

Antennas

With radio cabinet

343873, H01Q 136

Patent

active

058568077

ABSTRACT:
An antenna (10) includes a radiating element (20) covered with a protective cover having a high dielectric constant polymer gel (15) located therein. The gel has a dielectric constant greater than 5, and is formed by swelling a polymer that has polar functional groups with a solvent that has a high dielectric constant. The gel is covered with a jacket (14) to contain the gel and provide physical protection.

REFERENCES:
patent: 4133970 (1979-01-01), Lusk
patent: 4370658 (1983-01-01), Hill
patent: 4435713 (1984-03-01), Gasparaitis
patent: 4725395 (1988-02-01), Gasparaitis et al.
patent: 4812355 (1989-03-01), Yokoyama et al.
patent: 5352517 (1994-10-01), Clough et al.
patent: 5426719 (1995-06-01), Franks et al.
patent: 5557286 (1996-09-01), Varadan et al.

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