The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2015
Filed:
Dec. 24, 2013
Suprema Inc., Seongnam-si, KR;
Ho Chul Shin, Seongnam-si, KR;
Jin Wook Yi, Seongnam-si, KR;
Yong Bae Lee, Seongnam-si, KR;
Bo Gun Park, Seongnam-si, KR;
Bong Seop Song, Seongnam-si, KR;
Jae Won Lee, Seongnam-si, KR;
SUPREMA INC., Gyeonggi-Do, KR;
Abstract
An apparatus for identifying a fake fingerprint, the apparatus comprising: a prism having a fingerprint contact surface with which a fingerprint comes in contacted; an internal light source configured to irradiate light from the inside of the prism; an external light source configured to irradiate light from the outside of the prism; an image sensor configured to acquire diffused light image by the internal light source and transmitted light image by the external light source; and a controller configured to compare the diffused light image and the transmitted light image acquired by the image sensor to determine whether the fingerprint is a fake fingerprint or not.