Tape running direction indicator

Details Tape running direction indicator Tape running direction indicator

1978-08-25

1981-07-07

Boudreau, Leo H.

Registers

Platform operated

Platform actuated traffic counters

235 92EV, 340 82, G06M 314, H03K 2100

Patent

active

042776740

ABSTRACT:
A tape running direction indicator is provided with a sensor for producing a sense pulse corresponding to the rotation of a take-up reel, a ring counter clocked by the sense pulse, and a display unit which receives output pulses of the ring counter and includes decimal points arranged side by side for indication of the tape running direction. The output pulses of the ring counter are shifted corresponding to the direction of the tape running. A glint of each decimal point is successively shifted in the direction of the tape running while flashing.

REFERENCES:
patent: 3488558 (1970-01-01), Grafton
patent: 3553528 (1971-01-01), Somlyody
patent: 3729621 (1973-04-01), Taisne
patent: 3982107 (1976-09-01), Butler
patent: 3984810 (1976-10-01), Hudson, Jr.
patent: 4140896 (1979-02-01), Robertson
patent: 4150282 (1979-04-01), Aoki et al.
patent: 4151566 (1979-04-01), Ohrman

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