Universal modem receiver transmitter

Details Universal modem receiver transmitter Universal modem receiver transmitter

1985-08-20

1987-07-21

George, Keith E.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

375 8, H04M 1100

Patent

active

046823522

ABSTRACT:
A device having a universal receiver transmitter, a modem, and a mode selector switch. The mode selector switch is used to switch the serial data side of the universal receiver transmitter between the modem and the host terminal whereby the universal modem receiver transmitter can be substituted into a host terminal where a universal receiver transmitter had been located, and the universal modem receiver transmitter can perform the function of the universal receiver transmitter or can perform as a universal receiver transmitter and modem, facilitating data format conversion between formats appropriate to the host terminals parallel data bus and a format appropriate for telephone line data transmission.

REFERENCES:
patent: 4156931 (1979-05-01), Adelman et al.
patent: 4339746 (1982-07-01), Ulicki et al.
patent: 4518823 (1985-05-01), Kessler

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