Image sensor assembly for optical reader

  • US 8,096,472 B2
  • Filed: 08/23/2007
  • Issued: 01/17/2012
  • Est. Priority Date: 07/08/1998
  • Status: Active Grant
First Claim
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1. A method for constructing an optical assembly for use in an optical reader having a receive optical axis, comprising the steps of:

  • providing a support frame having a rear housing supporting a solid state imager;

    disposing a first light unit and a second light unit on the support frame on either side of the receive optical axis;

    providing a first field stop optically forward of the first light unit and a second field stop optically forward of the second light unit; and

    providing a single piece optical element having a center aperture centered on the receive optical axis of the optical reader on said support frame so that the single piece optical element is disposed optically forward of the first field stop and the second field stop.

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