Recorder/player device with stationary recording medium and cons

Dynamic magnetic information storage or retrieval – Recording on or reproducing from an element of diverse utility – Card

Patent

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Details

360101, 369111, G11B 548

Patent

active

048519294

ABSTRACT:
Signal heads are displaced relative to a recording surface on a stationary recording medium having a separate surface on which visual data is recorded and displayed. Differential drive mechanism and adjustable resistor means effects signal head displacement along a predetermined path on the recording surface at a constant speed.

REFERENCES:
patent: 3787636 (1974-01-01), Brandt et al.
patent: 4040097 (1977-08-01), Mizuno

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