Tape remaining circuit

Details Tape remaining circuit Tape remaining circuit

1982-09-16

1985-12-10

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

360137, G01B 104, G11B 1532

Patent

active

045574340

ABSTRACT:
The tension arm position of a tape recorder is sensed and any change in position is added as a correction factor to the capstan tach or tape timer tach count generated during a reel tach period. To this end, the tension arm position signal is clamped to ground at the start of the capstan count. At the end of the capstan count, the tension arm position is sensed to provides a value that is proportional to the change in the position that has occurred during the capstan count. The value is then added to the capstan count to provide a corrected capstan count that no longer contains a tension arm error and constitutes a precise tape remaining output signal.

REFERENCES:
patent: 3606201 (1971-09-01), Petusky
patent: 3910527 (1975-10-01), Buhler et al.

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