Radio communication apparatus for ISDN

Details Radio communication apparatus for ISDN Radio communication apparatus for ISDN

1992-01-27

1994-10-18

Kuntz, Curtis

Telephonic communications

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

Including fiber optic link within telephone network

379 61, 379233, 3701101, H04M 1100

Patent

active

053575580

ABSTRACT:
A radio communication apparatus includes a main telephone connected to a digital line network and a plurality of sub telephones each being capable of performing a radio communication to the main telephone. The main telephone includes a memory for storing a subaddress and a direct dial-in number of each of the plurality of sub telephones, and an unit for, upon receiving an incoming signal transmitted from the digital line network, detecting a subaddress or a direct dial-in number included in the incoming signal, discriminating a sub telephone associated with the detected subaddress or direct dial-in number in accordance with the data stored in the memory, and transmitting the incoming signal to the discriminated sub telephone.

REFERENCES:
patent: 4958153 (1990-09-01), Murata et al.
patent: 4975941 (1990-12-01), Morganstein et al.
patent: 5099511 (1992-03-01), Matsumoto
patent: 5189695 (1993-02-01), Maei
patent: 5200994 (1993-04-01), Sasano et al.
patent: 5233648 (1993-08-01), Nakamura
patent: 5291549 (1994-03-01), Izumi

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