Portable radio apparatus with a folding structure

Details Portable radio apparatus with a folding structure Portable radio apparatus with a folding structure

1994-09-22

1996-10-08

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 90, H04B 138

Patent

active

055640788

ABSTRACT:
A portable radio apparatus comprising a first housing body having at least a key operation pad with a plurality of keys, and a second housing body connected to the first housing body in such a manner that they are freely opened and closed with each other. The key operation pad of the first housing body is covered with the second housing body, when necessary. The second housing body is provided with an opening or a push button so that at least one key is operated in a state in which the first and second housing bodies are closed.

REFERENCES:
patent: 4279021 (1981-07-01), See et al.
patent: 4517660 (1985-05-01), Fushimoto et al.
patent: 4855746 (1989-08-01), Stacy
patent: 5054051 (1991-10-01), Hoff
patent: 5151946 (1992-09-01), Martensson
patent: 5257310 (1993-10-01), Takagi et al.
patent: 5333176 (1994-07-01), Burko et al.
patent: 5369788 (1994-11-01), Nagai
patent: 5436625 (1995-07-01), Kubo
patent: 5436954 (1995-07-01), Nishiyama et al.

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