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:
Feb. 15, 2022
Filed:
May. 25, 2018
Suprema Inc., Gyeonggi-do, KR;
Kideok Lee, Gyeonggi-do, KR;
Hochul Shin, Gyeonggi-do, KR;
Jong Man Lee, Gyeonggi-do, KR;
Bong Seop Song, Gyeonggi-do, KR;
Jae Won Lee, Gyeonggi-do, KR;
SUPREMA INC., Gyeonggi-Do, KR;
Abstract
A fingerprint image acquisition method for user authentication is provided. The method comprises determining whether a sensed pressure, which is applied to a fingerprint input window by a finger of a user touching the fingerprint input window, exceeds a predetermined startup pressure, acquiring a comparison image by imaging a fingerprint of the finger when the sensed pressure exceeds the startup pressure, measuring a quality of the comparison image, determining a value of a threshold pressure based on the quality of the comparison image and acquiring an authentication image for the user by capturing an image of the fingerprint of the finger when the sensed pressure exceeds the threshold pressure.