Code generator for text transmission devices

Details Code generator for text transmission devices Code generator for text transmission devices

1978-02-21

1979-07-17

Robinson, Thomas A.

Telegraphy

Code transmitters

178 2R, 178 175, H04L 1500

Patent

active

041616235

ABSTRACT:
A code generator for text transmission devices emits code characters assigned to subscribers over a trunk line in order to allow a subscriber to be recognized. The code characters are stored in a memory which is formed from electronically operable storage elements and remain unchanged following disconnection of the operating voltage. A write-in control unit is provided for writing the code characters into the memory and a read-out control unit is provided for reading the code characters from the memory. The write-in control unit can be connected by way of a line matching unit to the trunk line by way of which the texts are normally transmitted, and the code characters can be input into the memory from a central position by way of the trunk line.

REFERENCES:
patent: 3511923 (1970-05-01), Ameau et al.
patent: 3909510 (1975-09-01), Luce
patent: 3968330 (1976-07-01), Ludwig
patent: 4006316 (1977-02-01), Bolgiano

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