Boots – shoes – and leggings
Patent
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.
Bourgeois David R.
Chasse Dennis W.
Clark Vincent M.
Grayson George
Honeywell Bull Inc.
Prasinos Nicholas
Solakian John S.
Ure Michael J.
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