Tape transport reel servomechanism

Details Tape transport reel servomechanism Tape transport reel servomechanism

1974-09-13

1976-05-25

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

G11B 1558, G11B 2312

Patent

active

039587770

ABSTRACT:
A tape transport system having a capstan servomechanism for velocity control of tape across a read/write head and separate reel servomechanisms for tape supply and take-up control, and also having tape loops in vacuum columns, is provided with tape position feedback to each reel servomechanism to stabilize reel positions in a standby (zero capstan speed) condition from AC tachometers of the induction-generator type normally used during steady state (steady capstan speed) for velocity feedback.

REFERENCES:
patent: 3318545 (1967-05-01), Tobey
patent: 3400895 (1968-09-01), Cole et al.
patent: 3648134 (1972-03-01), Audeh et al.

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