Teletype character modification unit

Details Teletype character modification unit Teletype character modification unit

1962-02-05

1980-11-04

Birmiel, Howard A.

Telegraphy

Systems

Printing

H04K 900

Patent

active

042321875

ABSTRACT:
3. A teletype modification unit comprising: a signal shaper having input ns for receiving mark-space teletype pulses; a synchronization circuit coupled to said signal shaper; a plurality of delay means coupled to said synchronization circuit; a space coincidence circuit; a mark coincidence circuit; means to selectively couple said plurality of delay means to said space coincidence circuit, and means to selectively couple said plurality of delay means to said mark coincidence circuit.

REFERENCES:
patent: 2397057 (1946-03-01), Spencer
patent: 2425006 (1947-08-01), Rosen
patent: 2458406 (1949-01-01), Nichols

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