Reel position-detecting device

Details Reel position-detecting device Reel position-detecting device

1986-08-25

1988-02-23

Werner, David

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 57, G11B 1532

Patent

active

047265426

ABSTRACT:
A reel position-detecting device for use in a magnetic tape drive unit, designed to determine whether or not a supply reel has been positioned upside down in a retainer. When reel-detecting means detects that the supply reel has been set in the retainer, the retainer is rotated in the opposite direction to the tape-supply direction. If tape supply-detecting means detects the magnetic tape and then ceases to detect the tape within a predetermined period, processing means determines that the supply reel has been correctly positioned. Otherwise, the processing means determines that the supply reel has been positioned upside down.

REFERENCES:
patent: 4502647 (1985-03-01), Zweighaft et al.
patent: 4550884 (1985-11-01), Permut et al.
patent: 4557435 (1985-12-01), Reishus
patent: 4566652 (1986-01-01), Permut
patent: 4570876 (1986-02-01), Andoh et al.
patent: 4577811 (1986-03-01), Bray et al.

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