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Accuracy-enhanced scanner

  • US 8,235,294 B2
  • Filed: 04/07/2009
  • Issued: 08/07/2012
  • Est. Priority Date: 03/17/2004
  • Status: Active Grant
First Claim
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1. A multi-mode ring scan-target imaging device comprising:

  • a ring unit comprisingat least two switches each concurrently independently settable in a plurality of respective states at least in part via respective digits of a hand,aiming circuitry, andscan-target imaging circuitry;

    wherein the ring unit, at least partially in response to the settings of the states, is operable in a selected one of at least an aiming mode and an imaging mode;

    wherein the ring unit further is compatible with wearing on at least one digit of the hand and is enabled to initiate the aiming mode separately from and prior to initiating the imaging mode; and

    wherein the aiming circuitry is enabled to illuminate a scan target with a pattern comprising at least one line while operating in accordance with the aiming mode and the scan-target imaging circuitry is enabled to image the scan target while operating in accordance with the imaging mode.

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