Tape readers

Details Tape readers Tape readers

1975-06-06

1976-09-28

Cook, Daryl W.

Registers

Calculators

Input-output calculator to indicator, printer, etc.

178 17B, 200 46, G06K 706, H04L 1520, H01H 4308

Patent

active

039833658

ABSTRACT:
A perforated tape reading mechanism provides a programmable timing function. A drum rotatable by a synchronous motor carries the tape, and is supplied with a ratchet mechanism which permits the drum to rotate by said motor over a partial rotation and then returns the drum for another such cycle through a selectively variable number of ratcheted steps. A tape reader mechanism senses the perforations.

REFERENCES:
patent: 2395557 (1946-02-01), Leathers
patent: 2743868 (1956-05-01), Wockenfuss
patent: 3280308 (1966-10-01), Pack et al.
patent: 3448247 (1969-06-01), Jones, Jr.

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