Portable terminal device

Details Portable terminal device Portable terminal device

1997-09-18

2000-04-25

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455566, 455254, 455310, 455 383, H04B 110

Patent

active

060554401

ABSTRACT:
Disclosed is a portable terminal device that, by changing the operation of a portable terminal unit based on a selective-calling reception operation, can acquire preferable pager reception sensitivity. A portable terminal device comprises: selective-calling reception means with a selective-calling reception function for determining whether an operation is a selective-calling reception operation; portable terminal mean with a portable radio telephone function to enable transmission and reception for determining whether a key has been input; and display means for, when the input of the key is detected during the operation of the portable radio telephone function, displaying the result of the detection.

REFERENCES:
patent: 5148473 (1992-09-01), Freeland et al.
patent: 5437060 (1995-07-01), Delamater et al.
patent: 5502437 (1996-03-01), Marko et al.
patent: 5630224 (1997-05-01), Swail
patent: 5765113 (1998-06-01), Russo et al.
patent: 5793303 (1998-08-01), Koga

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