Portable communication device for radio communication system

Details Portable communication device for radio communication system Portable communication device for radio communication system

1996-03-15

1999-09-21

Vo, Nguyen

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455575, 455 90, 455564, 345169, H04B 138, H04M 100

Patent

active

059566558

ABSTRACT:
A portable communication device capable of realizing an improved portability and an improved maneuverability at the same time. A portable communication device, includes an input unit having a plurality of input keys; a display unit having a plurality of display regions in correspondence to the input keys, for displaying names of functions assigned to the input keys in an arrangement corresponding to a spatial arrangement of the input keys; and a communication unit for making a communication by transmitting and receiving communication data according to a user's input entered by operating the input keys.

REFERENCES:
patent: 4385366 (1983-05-01), Housey, Jr.
patent: 5371788 (1994-12-01), Baals et al.
patent: 5422656 (1995-06-01), Allard et al.
patent: 5515420 (1996-05-01), Urasaka et al.
patent: 5579535 (1996-11-01), Orlen et al.
patent: 5633912 (1997-05-01), Tsoi

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