Antenna for portable radio sets having reflecting plate

Details Antenna for portable radio sets having reflecting plate Antenna for portable radio sets having reflecting plate

1996-05-23

1999-12-07

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Antenna with parasitic reflector

343702, 343841, 343873, 343895, H01Q 124

Patent

active

059991429

ABSTRACT:
A first antenna configuration contemplates a body housing and an antenna cap positioned at a top portion of the body housing. A helical winding is disposed within the antenna cap for radiating electromagnetic waves. A reflecting plate is installed within the antenna cap at a spaced-apart distance from the helical winding for reflecting the electromagnetic waves in a direction away from a user. Polyacetal material is disposed within the antenna cap for supporting the reflecting plate.

REFERENCES:
patent: 4868576 (1989-09-01), Johnson, Jr.
patent: 5335366 (1994-08-01), Daniels
patent: 5338896 (1994-08-01), Danforth
patent: 5367309 (1994-11-01), Tashjian
patent: 5373304 (1994-12-01), Nolan et al.
patent: 5444866 (1995-08-01), Cykiert
patent: 5479178 (1995-12-01), Ha
patent: 5493704 (1996-02-01), Grangeat et al.
patent: 5507012 (1996-04-01), Luxon et al.

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