Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1991-04-16
1994-01-25
Ng, Jin F.
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379100, 358404, 358405, 358431, 358442, 358444, H04M 1106
Patent
active
052822389
ABSTRACT:
A communication system which enables conventional telephone-type facsimile apparatus to reliably and efficiently communicate over a conventional two-way voice radio communication system. The system includes an interface unit which is connected to the facsimile apparatus and to the transceiver apparatus of the radio communication system without modification to either unit. The interface unit transmits and receives information over the radio system in the form of a series of data packets, each containing origin address, destination address, send sequence and check digit information for optimum transmission accuracy and efficiency. A confirmation packet of like send sequence sent by the receiving unit when received at the transmitting unit verifies transmission. In the absence of such verification the data packet is retransmitted.
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Technical disclosure: Morrison & Dempsey Communications "AB3X Cellular Interface Owner's Manual", 1987.
Bost Dwayne D.
Ng Jin F.
Silicon Engines, Ltd.
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