Arrangement for aligning the image of an information structure o

Details Arrangement for aligning the image of an information structure o Arrangement for aligning the image of an information structure o

1975-01-28

1976-08-24

Cardillo, Jr., Raymond F.

Telegraphy

Systems

Simplex-reversing periodic

178 66DD, 178 67A, 1791003V, H04N 576, G11B 700

Patent

active

039768287

ABSTRACT:
An arrangement for focussing an image of an information structure which is disposed on or in a substantially flat record carrier, light being projected onto the light-sensitive detector via an optical element and a record carrier, which detector via a control system controls the optical element, the control system also receiving a signal which is a measure of the velocity of movement, which signal limits said velocity of movement.

REFERENCES:
patent: 2581133 (1952-01-01), Niemann
patent: 3391255 (1968-07-01), Gregg
patent: 3521092 (1970-07-01), Kalthoff
patent: 3544980 (1970-12-01), Applequist
patent: 3576454 (1968-03-01), Beach
patent: 3833769 (1974-09-01), Compaan et al.
patent: 3842197 (1974-10-01), Broussaud et al.

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