Radio communication apparatus with means for requesting and disp

Details Radio communication apparatus with means for requesting and disp Radio communication apparatus with means for requesting and disp

1990-09-27

1993-06-08

Kuntz, Curtis

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 63, 379209, H04M 1100

Patent

active

052186288

ABSTRACT:
A radio communication apparatus used generally indoors and including a base unit connected to at least one wired line and a plurality of mobile units connected to the base unit through respective radio communication channels. Each mobile unit is able to know the status of use--busy, hold or idle--of the wired lines. Each mobile unit makes to the base unit a request for information on the status of use of the wired line. The base unit sends to the mobile unit the information on the status of use of the wired line in response to the request, which status is displayed in the respective mobile units.

REFERENCES:
patent: 4481382 (1984-11-01), Villa-Real
patent: 4731814 (1988-03-01), Becker et al.
patent: 4768218 (1988-08-01), Yorita

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