Magnetic card recording apparatus

Details Magnetic card recording apparatus Magnetic card recording apparatus

1981-06-22

1983-06-28

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Recording on or reproducing from an element of diverse utility

Card

235436, 235466, 235482, 360 51, G11B 509, G11B 2504

Patent

active

043909051

ABSTRACT:
A magnetic card recording apparatus records information with a desired predetermined high recording density on a magnetic card moving at a varying speed. The apparatus comprises guide means for guiding a moving magnetic card, a magnetic head disposed to contact with the magnetic card moving through the guide means, an electric signal generator having a movable member moved in response to the movement of the magnetic card, a voltage signal generator for receiving the output signal of the electric signal generator to generate a voltage signal of a magnitude proportional to the moving speed of the magnetic card, an oscillator oscillating at a frequency proportional to the magnitude of the output voltage signal of the voltage signal generator, a converter for converting an input information signal on the basis of an output signal of the oscillator, and a writing controller for controlling the recording of an output signal of the converter on the magnetic card.

REFERENCES:
patent: 2853357 (1958-09-01), Barber
patent: 3217329 (1965-11-01), Gabor
patent: 3914789 (1975-10-01), Coker, Jr. et al.
patent: 4264934 (1981-04-01), Mattes

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