Recording medium and method of making

Details Recording medium and method of making Recording medium and method of making

1979-09-10

1981-06-09

Pianalto, Bernard D.

Radiation imagery chemistry: process, composition, or product th

Product having sound record or process of making

427 48, 427128, 427130, 428900, B05D 314

Patent

active

042726026

ABSTRACT:
Recording medium for photographic prints comprising a magnetizable layer on the rear side of a photographic material which is preferrably paper based, the magnetizable areas having different surface roughnesses. This medium allows recording of sound information or codes on the prints and reproduction in recorders or by monitoring.

REFERENCES:
patent: 4008088 (1977-02-01), Van Paesschen

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