Video record disc

Details Video record disc Video record disc

1977-07-01

1989-04-04

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

346 76L, 428 64, 358342, 369 61, 369100, 369109, G01D 1510, G11B 700

Patent

active

048192236

ABSTRACT:
A transparent record disc is provided which may appropriately have video signals optically recorded thereon, the record is composed of a lamination, for example, of pliant transparent plastic on a base of hard transparent plastic. The base provides strength for the record and the pliant plastic permits the video recording to be impressed into the record by simple embossing means, rather than by stamping or molding by which the surface of the record is actually raised above its melting point and caused to flow. An improved process for forming the video recordings on the disc record is also provided.

REFERENCES:
patent: 2547009 (1951-04-01), Huston et al.
patent: 3175196 (1965-03-01), Lee et al.
patent: 3256524 (1966-06-01), Stauffer
patent: 3262122 (1966-07-01), Fleisher et al.
patent: 3287563 (1966-11-01), Clunis
patent: 3530258 (1970-09-01), Gregg et al.

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