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Home › Method and apparatus for operating a retail terminal having a proximity detector that is operable to ascertain movement and distance of a consumer relative to the retail terminal

Method and apparatus for operating a retail terminal having a proximity detector that is operable to ascertain movement and distance of a consumer relative to the retail terminal

US Patent 6536658 · Granted Mar 25, 2003

Estimated economic value: $3,835,000 ⓘ

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