Patent ID: 8002187
Filing Date: 2011-08-23
Classification: G01N,G06K

Abstract:
1. A portable bar code reading device comprising: a first portable unit including: (a) a first imaging assembly including a first imaging lens and a first image sensor configured to output a first image signal; (b) a first hand held housing encapsulating a component of said first imaging assembly; (c) an image capture module configured to convert an analog waveform into an image data; (d) a bar code decoding module configured to output a decoded out message; and (e) a bar code quality measurement module configured to perform at least one of: symbol contrast measurement, edge contrast measurement, modulation measurement; a second portable unit external to said first portable unit, said second portable unit communicatively coupled to said first portable unit, said second portable unit including a second imaging assembly including: a second imaging lens and a second image sensor configured to output a second image signal; and a second hand held housing encapsulating a component of said second imaging assembly; wherein said second portable unit is configured to transmit an analog waveform representative of said second image signal to said first portable unit; and wherein said first portable unit is configured to process said analog waveform representative of said second image signal by at least one of: said image capture module, said bar code decoding module, said bar code quality measurement module.