Data processing machine, especially ciphering equipment

Details Data processing machine, especially ciphering equipment Data processing machine, especially ciphering equipment

1977-11-02

1979-07-31

Kilgore, Robert M.

Registers

Coded record sensors

Particular sensor structure

235489, 235458, 250570, 178 17B, G06K 710, G06K 2104, H04L 1512

Patent

active

041627628

ABSTRACT:
A data processing machine, especially ciphering equipment, comprising an input device for the entering of data to be processed. The input device comprises a perforated tape reader containing a scanner unit for scanning standardized teleprinter perforated tapes which possess a number of parallel information tracks formed by information perforations and a feed track formed by feed perforations. The information perforations have a different diameter than the feed perforations. The scanner unit or device is connected with a circuit which, based upon the signals received from the scanner device, determines which of the scanned tracks constitute the information tracks and which the feed track.

REFERENCES:
patent: 3207845 (1965-09-01), Swenson
patent: 3461305 (1969-08-01), Moulton
patent: 3883723 (1975-05-01), Lukstas

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