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:
Jan. 12, 2021
Filed:
Sep. 23, 2016
4dream Co., Ltd., Andong-si, KR;
Hanwha Techwin Co., Ltd., Seongnam-si, KR;
Won-Kug Kim, Andong-si, KR;
Jin-Kyo Shin, Seongnam-si, KR;
4DREAM CO., LTD., Andong-si, KR;
HANWHA TECHWIN CO., LTD., Seongnam-si, KR;
Abstract
The present disclosure relates to a duplicate image evidence management system for verifying authentication and integrity, the duplicate image evidence management system being capable of verifying that a duplicate image has authentication and integrity when an original image generated by an image storage device is copied by an image collecting device. The duplicate image evidence management system according to the present disclosure includes: an image generating unit for generating an original image; a hash generating unit for generating an original hash value for the original image; a hash checking unit for checking whether the original hash value is changed; and a duplicate image generating unit for copying the original image so as to generate a first duplicate image and generating a first hash value for the first duplicate image, when it is checked by the hash checking unit that the original hash value is not changed.