Linear illuminating apparatus and image reader using it

Linear illuminating apparatus and image reader using it

  • CN 101,385,326 A
  • Filed: 02/21/2007
  • Published: 03/11/2009
  • Est. Priority Date: 03/13/2006
  • Status: Active Application
First Claim
Patent Images

1. line-illuminating device, it has:

  • near the light source the bar-shaped light guide that is made of transparent material, the length direction end face that is arranged at above-mentioned light conductor, be formed at the light-emitting face at least a portion of length direction side of above-mentioned light conductor;

    It is characterized in that,The cross-sectional configuration with the vertical Width of length direction of above-mentioned light conductor has;

    light-emitting face, be arranged at the position relative with above-mentioned light-emitting face a plurality of reflection regions, be arranged at least 1 barrier of each part of having a common boundary of above-mentioned a plurality of reflector spaces,Has different focal points from the illumination light of above-mentioned light-emitting face outgoing.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×