G - Physics
06
K
354/56
G06K 9/20 (2006.01) G06K 7/016 (2006.01) G06K 7/10 (2006.01)
Patent
CA 1145048
BAR CODE READER Abstract of the Disclosure: An optical sensing member for reading a coded member having parallel aligned tracks of data and clocking coded symbols which includes a pair of sensing apertures offset to enable the sensing of the data track to occur out of phase with the sensing of the clocking track. The sensing member includes a housing having a sensing surface in which the offset apertures are located, a light source, a pair of photo-transis- tors for sensing the tracks of coded symbols and opti- cal fibers for transmitting light from the light source to the tracks of coded symbols and the reflected light to the photo-transistors for the reading of the coded members.
350759
Passer Barry E.
Sculley George A.
Ncr Corporation
Smart & Biggar
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