Spring driven velocity controlled magnetic stripe reader

Details Spring driven velocity controlled magnetic stripe reader Spring driven velocity controlled magnetic stripe reader

1974-11-15

1976-04-27

Moffitt, James W.

Dynamic magnetic information storage or retrieval

Recording on or reproducing from an element of diverse utility

Card

235 6111D, G11B 2504, G06K 708

Patent

active

039538877

ABSTRACT:
A low cost credit card reader is provided wherein the magnetic stripe on a stationarily positioned credit card is read by the spring powered transverse activation of a read head, and wherein the normal spring-related fluctuations in read head velocity are compensated for and offset by a rotatable member having a concentric circumference and a variably radiused spiraling circumference, the rotatable member being interposed between and cable interconnected with said spring and a translatable read head carrier, said spring and said rotatable member in association with an opposing airpot cooperating to provide the read head with a uniform controlled velocity of movement throughout each reading cycle.

REFERENCES:
patent: 3472970 (1969-10-01), Basseches
patent: 3488867 (1970-01-01), Lyon et al.
patent: 3671717 (1972-06-01), Bieser
patent: 3780264 (1973-12-01), Kondur, Jr. et al.

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