Portable radio housing incorporating diversity antenna structure

Details Portable radio housing incorporating diversity antenna structure Portable radio housing incorporating diversity antenna structure

1994-09-16

1997-07-15

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455 90, 455133, 4552771, 343702, 343725, H04B 704

Patent

active

056493061

ABSTRACT:
A radio communication device (50) has a housing having a first housing element (51) and a second housing element (53). The first housing element (51) is movable between an extended and a closed position. The radio communication device has at least two antennas (112, 113). A switch (121) is provided that is operable to switch between a first antenna (112) and a second antenna (113) responsive to position of the first housing element (51). Preferably the first antenna (112) is disposed in the first housing element (51) and the second antenna (113) is disposed in the second housing element (53) or a battery housing (57).

REFERENCES:
patent: 4313119 (1982-01-01), Garay et al.
patent: 4862182 (1989-08-01), Egashira
patent: 4914714 (1990-04-01), Tamura
patent: 5119501 (1992-06-01), Perry et al.
patent: 5175759 (1992-12-01), Metroka et al.
patent: 5303396 (1994-04-01), Ooyagi et al.
patent: 5337061 (1994-08-01), Pye et al.
patent: 5369801 (1994-11-01), Smith
patent: 5444745 (1995-08-01), Ali-Vehmas
patent: 5463406 (1995-10-01), Vannatta et al.
patent: 5508709 (1996-04-01), Krenz et al.

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