Cellular telephone with standard telephone set

Details Cellular telephone with standard telephone set Cellular telephone with standard telephone set

1990-11-27

1992-05-26

Dwyer, James L.

Telephonic communications

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

Including fiber optic link within telephone network

379 59, H01Q 704

Patent

active

051174502

ABSTRACT:
A unique cellular telephone (100) connects to a standard telephone set (101) for providing cellular telephone services to subscribers in remote locations not served by a landline telephone system. Cellular telephone (100) includes a cellular telephone transceiver (109), microcomputer (108) and circuitry (102-106) for interfacing the cellular telephone transceiver (109) to the telephone set (101). The interface circuit (102-107) provides the audio, voltage and dial signal interface to the telephone set (101). The microcomputer (108) controls the interface circuitry (102-106) and is responsive to the telephone set (101) for answering and placing cellular telephone calls.

REFERENCES:
patent: 4122304 (1978-10-01), Mallien, II
patent: 4658096 (1987-04-01), West, Jr. et al.
patent: 4718080 (1988-01-01), Serrano et al.
patent: 4737475 (1988-04-01), Shafer
patent: 4775997 (1988-10-01), West, Jr. et al.
Celjack Owners Manual-by Telular Inc.
The Description and Specification GNTA Payphone Type AY4 (NMT) for "Connection to a Mobile Radiostation in Accordance with the Specification for the Nordic Mobile Telephone Systems (NMT)" by GNT Automatic A/S.
Instruction Manual No. 1S-SP134682 describes an IMTS subscriber.
Instruction Manual No. 68P81071E30--The Cellular Connection.

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