Indicator for tape running direction and tape remnant amount

Details Indicator for tape running direction and tape remnant amount Indicator for tape running direction and tape remnant amount

1978-08-25

1981-09-29

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92NG, 235 92EV, 235 92EA, 235 92CA, 360137, G06M 314

Patent

active

042925096

ABSTRACT:
An indicator for tape running direction and tape remnant amount is provided which comprises a ring counter clocked by a sensing pulse corresponding to the rotation of a take-up reel, a counter for providing count value corresponding to the period of the sensing pulse, comparators each for comparing the count value of the counter with reference data, gate circuits which are connected to the output circuits of the ring counter and controlled by the comparators, and a display unit which receives the output pulses of the gate circuits and includes a plurality of decimal points for indicating the tape running direction and the tape remnant amount. The output signals of the ring counter are shifted corresponding to the tape running direction. The number of signal circuits of the output pulses led from the gate circuit to the display unit depends on the result of the comparison by the comparators. The glint of each decimal point is progressively shifted flashing in the direction corresponding to the tape running direction. The moving range of the glint depends on the tape remnant amount.

REFERENCES:
patent: 3834648 (1974-09-01), Rose et al.
patent: 3866120 (1975-02-01), Ford
patent: 3906345 (1975-09-01), Bertolasi
patent: 4097726 (1978-06-01), Satoh et al.
patent: 4167787 (1979-09-01), Satoh et al.

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