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Shopping system comprising product item and reading device

  • US 7,900,841 B2
  • Filed: 07/10/2009
  • Issued: 03/08/2011
  • Est. Priority Date: 04/07/2003
  • Status: Expired due to Fees
First Claim
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1. A shopping system comprising:

  • a product item having an interface surface, said interface surface having disposed thereon coded data which includes, at a plurality of locations on the interface surface, a corresponding plurality of coded data portions, each coded data portion being indicative of an identity of the product item and the location of the coded data portion; and

    a reading device adapted to read the coded data disposed on the interface surface, the reading device including;

    (a) a radiation source for emitting radiation such that it exposes at least one coded data portion;

    (b) an image sensor for sensing the at least one exposed coded data portion;

    (c) at least one force sensor coupled to a nib of the reading device; and

    (d) a processor for determining, using at least some of the sensed coded data;

    product identity data indicative of the identity of the product item; and

    position data indicative of the position of the sensed coded data portion on the interface surface and/or a position of the reading device relative to the interface surface,wherein the reading device is adapted to sense coded data in response to contact between the nib and the interface surface.

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