Tape-thickness measuring method, and tape-running control method

Details Tape-thickness measuring method, and tape-running control method Tape-thickness measuring method, and tape-running control method

1998-12-14

2000-06-27

Walsh, Donald P.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Carrier speed or tension control

2423336, B65H 5938

Patent

active

060796529

ABSTRACT:
A tape-thickness measuring method is used in a tape running apparatus in which a tape runs between a supply reel and a take-up reel. In the method, rotation periods of the supply reel and the take-up reel are detected when the take-up reel rotates predetermined numbers of revolutions, a number of turns of the tape remaining on the supply reel is calculated by using the thus-detected rotation periods, and a thickness of the tape is calculated by using the thus-calculated number of turns of the tape remaining on the supply reel.

REFERENCES:
patent: 4280159 (1981-07-01), Nakayama
patent: 4335439 (1982-06-01), St. Denis
patent: 4338645 (1982-07-01), Mohri et al.
patent: 4478376 (1984-10-01), Sakaguchi et al.
patent: 4516740 (1985-05-01), Yoshino et al.
patent: 5136526 (1992-08-01), Baur et al.
patent: 5803387 (1998-09-01), Mace
patent: 5867354 (1999-02-01), Kuchar

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