Title:
【発明の名称】指紋センサ装置
Document Type and Number:
Japanese Patent JPH11506381
Kind Code:
A
Abstract:
PCT No. PCT/FR97/00536 Sec. 371 Date Nov. 20, 1997 Sec. 102(e) Date Nov. 20, 1997 PCT Filed Mar. 26, 1997 PCT Pub. No. WO97/36544 PCT Pub. Date Oct. 9, 1997The fingerprint sensor device comprises a thin flat transparent support (10) having an outside face for receiving the end of a finger and carrying on an inside face a two-dimensional matrix of photosensitive elements separated by strip-shaped gaps, and a substrate (14) carrying on an inside face light sources for directing light through the support via the strip-shaped gaps and substantially orthogonally to said outside face. The photosensitive elements are protected from the light coming from the sources so as to deliver an output signal only in response to light that has been back-scattered towards the outside face of the support.
Inventors:
Carme, Marilyn
Application Number:
JP53497597A
Publication Date:
June 08, 1999
Filing Date:
March 26, 1997
Export Citation:
Assignee:
SAGEM SA
International Classes:
A61B5/117; G06K9/00; G06T1/00; (IPC1-7): A61B5/117; G06T1/00
Attorney, Agent or Firm:
Fukami Hisaro (3 outside)