Magnetic stripe and wand reader interface employing off-the-shel

Details Magnetic stripe and wand reader interface employing off-the-shel Magnetic stripe and wand reader interface employing off-the-shel

1984-05-07

1988-08-30

Williams, Jr., Archie E.

Boots, shoes, and leggings

235482, G06F 306, G06F 1312

Patent

active

047681632

ABSTRACT:
An apparatus and a method for interfacing a commercially-available programmable communication interface (PIC) with a magnetic swipe reader or a wand type reader. The invention modifies the raw signals of the magnetic wand and magnetic swipe readers by removing noise and selecting the appropriate reader and track, stretching the clock pulses of the reader, and latching data into a flip-flop until the data is strobed into the PIC.

REFERENCES:
patent: 3916386 (1975-10-01), Teixeira et al.
patent: 4189743 (1980-02-01), Schure et al.
patent: 4405984 (1981-02-01), Siegel et al.
patent: 4417320 (1983-11-01), Ei
patent: 4481412 (1984-12-01), Fields
patent: 4554445 (1985-11-01), Chasse et al.

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