Altering displayed keys to indicate availability of service for

Details Altering displayed keys to indicate availability of service for Altering displayed keys to indicate availability of service for

1996-06-19

2000-10-10

Urban, Edward F.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455421, 4551584, H04Q 720

Patent

active

061310468

ABSTRACT:
A communications apparatus which has a man/machine interface to prevent or dissuade a user from performing a wasteful calling operation. In one implementation, the communications apparatus is suitable for transmission and reception and includes a display unit for displaying a content associated with a communication operation, a detector for checking whether a communication is available based upon a reception signal, and a display controller for inhibiting the unit from displaying the content when the communication is unavailable.

REFERENCES:
patent: 5049875 (1991-09-01), DeLuca et al.
patent: 5140419 (1992-08-01), Galumbeck et al.
patent: 5444765 (1995-08-01), Marui et al.
patent: 5517551 (1996-05-01), Arai
patent: 5552806 (1996-09-01), Lenchik
patent: 5617468 (1997-04-01), Nojima et al.
patent: 5749052 (1998-05-01), Hidem et al.
patent: 5752195 (1998-05-01), Tsuji et al.
commercial Abstract for Canadian Patent No. CA2133859 to McGarry et al. on Jul. 1, 1995.

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