Apparatus for aligning a moving substrate and a read or write he

Details Apparatus for aligning a moving substrate and a read or write he Apparatus for aligning a moving substrate and a read or write he

1987-12-30

1989-08-08

Evans, F. L.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250561, 271227, G06K 1500

Patent

active

048556076

ABSTRACT:
An apparatus for aligning a moving substrate and a read or write head includes independently controllable rollers for deskewing the sensed skew of a moving substrate and a read or write device that is translatable in a direction fixed with respect to the reference direction of the moving substrate.

REFERENCES:
patent: 3346739 (1967-10-01), Jenkner
patent: 3603446 (1971-09-01), Maxey et al.
patent: 4275875 (1981-06-01), Akers
patent: 4432540 (1984-02-01), Akers et al.
patent: 4438917 (1984-03-01), Janssen et al.
patent: 4603846 (1986-08-01), Miles
patent: 4641828 (1987-02-01), Yajima
patent: 4693463 (1987-09-01), Schwebel et al.
patent: 4699370 (1987-10-01), Hashimoto et al.
patent: 4743129 (1988-05-01), Keryhuel et al.
Bantz et al, IBM Technical Disclosure Bulletin, vol. 20, No. 4, Sep. 1977, pp. 1623-1625.

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