Apparatus for detectng abnormality of a tape-tension detecting m

Details Apparatus for detectng abnormality of a tape-tension detecting m Apparatus for detectng abnormality of a tape-tension detecting m

1994-07-15

1997-06-17

Darling, John P.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Carrier speed or tension control

2423343, 2423344, B65H 5938

Patent

active

056390408

ABSTRACT:
There are provided the CPU 19, the supply-side reel motor 20 and the D/A convertor and motor driver 22 which drive the supply-side reel in an open-loop fashion with cutting off the supply-side-reel servo drive, the CPU 19 , the supply-side reel motor 20 and the FG counter 21 which set the target tension in the open loop, and the CPU 19 and the nonvolatile storage 24 which compare the target tension and the tape tension detected by the tension sensor 13 and detects abnormality of the tension sensor 13.

REFERENCES:
patent: 4398227 (1983-08-01), Anderson
patent: 4461433 (1984-07-01), Kani
patent: 4786992 (1988-11-01), Tajima et al.
patent: 4807107 (1989-02-01), Fincher
patent: 5039027 (1991-08-01), Yanagihara et al.
patent: 5222684 (1993-06-01), Yoneda et al.
patent: 5248112 (1993-09-01), Rodal et al.
patent: 5259563 (1993-11-01), Kakiwaki et al.
patent: 5330118 (1994-07-01), Yoshikawa

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