Thin optical fingerprint scanner

Thin optical fingerprint scanner

  • CN 101,964,058 B
  • Filed: 09/20/2010
  • Issued: 03/04/2015
  • Est. Priority Date: 09/20/2010
  • Status: Active Grant
First Claim
Patent Images

1. a thin optical fingerprint collector, comprises shell, Collection prism, light source, reflecting surface, Integral imaging device and circuit board, it is characterized in that, described Collection prism, light source, reflecting surface, Integral imaging device and circuit board are installed in the enclosure;

  • Described Collection prism at least comprises the plane of incidence, collection face, fully reflecting surface and exit facet, and described collection face is parallel with fully reflecting surface;

    The light that described light source sends enters from the plane of incidence of Collection prism, and after reflection occurs in collection face, arrive fully reflecting surface be totally reflected, then from exit facet outgoing, emergent ray is totally reflected on Integral imaging device by reflecting surface and forms fingerprint image.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×