4Dream and Hanwha Techwin Assigned Patent

4Dream Co., Ltd., Andong-si, Korea, and Hanwha Techwin Co., Ltd., Seongnam-si, Korea, has been assigned a patent (10,891,702) developed by Kim, Won-Kug, Andong-si, Korea, and Shin, Jin-Kyo, Seongnam-si, Korea, for a “duplicate image evidence management system for verifying authenticity and integrity.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”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.”

The patent application was filed on September 23, 2016 (15/762,411).