Automatic tape tracking system for magnetic recorder/players

Details Automatic tape tracking system for magnetic recorder/players Automatic tape tracking system for magnetic recorder/players

1984-06-15

1986-04-15

Hornsby, Harvey C.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

226 45, 226197, 242186, B65H 2510

Patent

active

045822352

ABSTRACT:
An automatic tape tracking system for magnetic recorder/players which samples tape position and adjusts a number of active guide rollers to maintain the tape along a predetermined track. The present system uses only perfectly cylindrical rollers and requires no edge guiding. The guide rollers are adjustable in height and to change the direction of their axes. Both adjustments are effected with the use of linear stepper motors. The tape position is monitored at various locations throughout the recorder/player by cameras which monitor the position of the edge of the tape. Output signals from the cameras are fed to a microprocessor which controls the stepper motors. Height adjustments are made to instantaneously correct tape position and tilt adjustments are made to allow the guide rollers to remain, in height, in a neutral zone.

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