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:
Oct. 06, 2015
Filed:
Jun. 14, 2013
Suprema Inc., Gyeonggi-do, KR;
Jinwook Yi, Gyeonggi-do, KR;
Hochul Shin, Gyeonggi-do, KR;
Kideok Lee, Gyeonggi-do, KR;
BoGun Park, Gyeonggi-do, KR;
Bong Seop Song, Gyeonggi-do, KR;
Jae Won Lee, Gyeonggi-do, KR;
SUPREMA INC., Gyeonggi-Do, KR;
Abstract
A method for an optical fingerprint recognition, the method includes scanning a fingerprint image separately using a multiple exposure which allows alternating a short exposure and a normal exposure; determining whether there is an inflow of external light depending on a darkness level of a fingerprint image derived from the normal exposure; and performing a fingerprint recognition using a fingerprint image derived from the short exposure or the fingerprint image derived from the normal exposure in accordance with the determination result as to the inflow of external light.