Card scanning video system

Details Card scanning video system Card scanning video system

1976-03-09

1978-04-11

Konick, Bernard

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

360 2, 360101, 360 10, 360 81, 360 35, 358127, 235449, H04N 578, G11B 2504

Patent

active

040841987

ABSTRACT:
An apparatus and method are provided for transducing information with respect to record cards such as oblong cards containing magnetic recording material. In one form, a magnetic record card is made to conform or extend parallel to the cylindrical surface of a drum supporting a magnetic transducer which rotates to scan one or more selected tracks of the card. The card may extend in a circular or helical path while scanning occurs or may be driven in such a path during scanning.

REFERENCES:
patent: 1792264 (1931-02-01), Alexanderson
patent: 2773120 (1956-12-01), Masterson
patent: 2866012 (1958-12-01), Ginsburg
patent: 2915596 (1959-12-01), Lyon
patent: 2965721 (1960-12-01), Hollabaugh
patent: 3218077 (1965-11-01), Morrison
patent: 3349369 (1967-10-01), Jensen
patent: 3397283 (1968-08-01), Stosberg
patent: 3624284 (1971-11-01), Russell
patent: 3803350 (1974-04-01), Lemelson

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