Device for connecting peripheral units to a line for transmittin

Details Device for connecting peripheral units to a line for transmittin Device for connecting peripheral units to a line for transmittin

1975-01-29

1977-07-26

Gensler, Paul L.

Telegraphy

Systems

Printing

178 58R, 333 8, H04B 148

Patent

active

040386015

ABSTRACT:
The invention relates to a device for connecting peripheral units to a line for transmitting data by pulse code modulation. The transmitter/receiver of such unit is connected to the line through a three-winding insulating transformer having its windings connected to two distinct circuits for connection to the line, one of which is formed by high-value resistors and is assigned to reception and the other by a network of voltage-threshold diodes assigned to transmission.

REFERENCES:
patent: 2064907 (1936-12-01), Green
patent: 2802056 (1957-08-01), Affrunti
patent: 2861128 (1958-11-01), Metzger

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