Dialing features for cellular telephone with standard telephone

Details Dialing features for cellular telephone with standard telephone Dialing features for cellular telephone with standard telephone

1989-05-10

1990-09-25

Ng, Jin F.

Telephonic communications

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

Including fiber optic link within telephone network

379 62, 379 63, H04M 1100

Patent

active

049598511

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 circuitry (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. The microcomputer (108) also is responsive to dialing sequences including numerical digits preceded and followed by the # digit for selecting cellular telephone features.

REFERENCES:
patent: 4122304 (1978-10-01), Mallien
patent: 4220820 (1980-09-01), Mallien
patent: 4508935 (1985-04-01), Mastromoro
patent: 4658096 (1987-04-01), West, Jr. et al.
patent: 4718080 (1988-01-01), Serrano et al.
patent: 4737975 (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.
Motorola Instruction Manual No. 1S-SP134682, No. 68P81071E30, No. 68P81116E58.

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