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Data collection system using a bar code reader

  • US 4,736,096 A
  • Filed: 01/24/1986
  • Issued: 04/05/1988
  • Est. Priority Date: 01/24/1985
  • Status: Expired due to Fees
First Claim
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1. A data transmitter for transmitting data in the form of a bar code by means of width-modulated light pulses, said data transmitter comprising:

  • memory means for storing the data;

    processor means connected to said memory means for converting the data to width-modulated electrical pulses resembling the bar code; and

    light emitting means connected to said processor means for converting the width-modulated electrical pulses to width-modulated light pulses, said light emitting means comprising a plurality of light emitting elements each having a different frequency characteristics for converting the electrical pulses to a plurality of frequency bands of light pulses.

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