Tape running apparatus

Details Tape running apparatus Tape running apparatus

2000-02-24

2000-12-12

Nguyen, John Q.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Carrier speed or tension control

2423343, 360 7301, B65H 5938, G11B 1546

Patent

active

06158682&

ABSTRACT:
On the occasion of stopping the tape running at a high speed, a winding radius of the tape supply reel is detected to set the tape deceleration rate (a) on the basis of the detected winding radius of the supply reel. After the tape running speed is decelerated up to the allowable speed VL in the predetermined deceleration rate (a), the tape is stopped by effectuating the brake. Thereby, the tape can be driven at the speed higher than the allowable speed VL without generating any damage, enabling reduction of time required for the fast-forward/rewind operation. Moreover, application flexibility is improved by providing a couple of tape running modes at the first high speed V1 which is higher than the allowable speed VL and the second high speed V2 which is lower than the allowable speed VL. In addition, running of the tape can be ceased within the predetermined time t from the input of the stop command signal by specifying the maximum speed Vmax depending on the preset deceleration rate (a) and limiting the tape running speed with the maximum speed Vmax.

REFERENCES:
patent: 4516740 (1985-05-01), Yoshino et al.
patent: 5839683 (1998-11-01), Kijima et al.

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