New bar code scanner
IBM displayed a holographic optical-reading technique to read bar codes when the company exhibited at the recent Shoppex 83 exhibition in Auckland.
A holographic scanner on the IBM 3680 point-of-sale system means that bar codes can be identified from diverse angles.
The scanner uses a threedimensional pattern of laser beams that wrap around the products searching for their product codes.
This high tolerance to distortion has become particularly important during the early days of product coding in New Zealand, according to IBM.
The packaging industry is still adapting to product coding and techniques are still being developed for the most effective presentation of the bar code itself.
The IBM point-of-sale system is also unusual in that each cash register terminal is equipped with its own computer, linked to the master register. The 3680 can be programmed or reprogrammed over the telephone line if required, and can also be loaded with price changes in this manner.
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Press, 26 July 1983, Page 24
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159New bar code scanner Press, 26 July 1983, Page 24
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