×

Portable instrument for electro-optically reading indicia and for projecting a bit-mapped image

  • US 6,935,566 B1
  • Filed: 06/27/2000
  • Issued: 08/30/2005
  • Est. Priority Date: 02/03/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A portable instrument for projecting bit-mapped two-dimensional images in display modes of operation, and for selectively electro-optically reading indicia in reading modes of operation, comprising:

  • a) a housing;

    b) an electro-optical assembly supported by the housing, for reading an indicium during a reading mode, and for projecting a bit-mapped two-dimensional image related to the indicium on a viewing surface during a display mode, the images being different for different indicia, and c) a mode selector for selecting one of the modes;

    wherein the assembly includes a light source for generating a light beam, and a scanner for sweeping the light beam in a raster pattern of scanning lines that cover an area of the viewing surface, and wherein the assembly includes a controller for pulsing the light source on and off while the light beam is swept over each of the scanning lines; and

    wherein the scanner includes a first scan mirror for sweeping the light beam along a first direction, and a second scan mirror for sweeping the light beam along a second direction generally orthogonal to the first direction.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×