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Method and apparatus for reading decodable indicia

  • US 20070164114A1
  • Filed: 11/03/2006
  • Published: 07/19/2007
  • Est. Priority Date: 03/04/1994
  • Status: Active Grant
First Claim
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1. A portable bar code reading device for reading a bar code symbol disposed on a substrate, said device comprising:

  • a solid state image sensor;

    optics focusing an image onto said solid state image sensor;

    a trigger for driving said device into an active reading state;

    wherein said bar code reading device is configured to read either of a 1D bar code symbol and a 2D bar code symbol, and wherein said portable bar code reading device is responsive to a manually input selection by a user specifying whether 1D bar code symbols or 2D bar code symbols are to be read utilizing the device;

    wherein said bar code reading device, when 1D bar code symbols are specified, obtains an electronic representation of a symbol in a first format subsequently to said trigger being actuated and attempts symbol decoding using a 1D decoding algorithm; and

    wherein said bar code reading device, when 2D bar code symbols are specified, obtains an electronic representation of a symbol in a second format subsequently to said trigger being actuated and attempts symbol decoding using a 2D decoding algorithm, wherein said second format is different from said first format.

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