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Low cost digital scanners

  • US 6,064,497 A
  • Filed: 03/08/1996
  • Issued: 05/16/2000
  • Est. Priority Date: 03/08/1996
  • Status: Expired due to Term
First Claim
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1. A system for generating digital image signals representing an object on a physical medium, comprising:

  • (a) a scanner comprising a detector andan analog-to-digital converter, wherein;

    the detector generates analog signals representing the object on the physical medium; and

    the analog-to-digital converter converts the analog signals to raw digital image signals at a rate of transmission;

    (b) a high-speed serial bus coupled to the scanner; and

    (c) an external processor external to the scanner and coupled to the high-speed serial bus, wherein the external processor is capable of processing the raw digital image signals at the rate of transmission; and

    the high-speed serial bus has a sufficiently high bandwidth and a sufficiently low latency to enable the scanner to transmit the raw digital image signals to the external processor in real time, at the rate of transmission, without prior interim storage in an on-board buffer and without prior processing of the raw digital image signals by an on-board processor, wherein the bandwidth is at least 750 Megabits per second.

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