Device for reading out information recorded upon a substrate

Details Device for reading out information recorded upon a substrate Device for reading out information recorded upon a substrate

1974-03-14

1976-06-15

Cardillo, Jr., Raymond F.

Telegraphy

Systems

Simplex-reversing periodic

178 66DD, 178 67A, 1791003V, 1791004R, G11B 1700

Patent

active

039638634

ABSTRACT:
A pick-up device particularly suitable for optical read-out of video-frequency discs, comprising a fixed pick-up and a mobile plate, element of which, carrying the recording substrate, is mobile. The transfer of the recording tracks before the pick-up is produced by a rotational movement on the part of the carrier element, in association with a rectilinear displacement d.sub.1 on the part of said carrier element in relation to the fixed pick-up, this displacement being associated with the rotational speed of the carrier element and with the pitch of the recording tracks.

REFERENCES:
patent: 3138669 (1964-06-01), Rabinow et al.
patent: 3174140 (1965-03-01), Hagopian et al.
patent: 3287563 (1966-11-01), Clunis
patent: 3304544 (1967-02-01), Johnson
patent: 3842197 (1974-10-01), Broussaud

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