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:
Jul. 12, 2022
Filed:
Jul. 04, 2017
Korea Electric Power Corporation, Naju-si, KR;
Jong-Kwan Kim, Sejong-si, KR;
Seung-Youn Lee, Daejeon, KR;
Seung-Kwon Yang, Daejeon, KR;
Myong-Soo Kim, Daejeon, KR;
Dong-Wook Kim, Daejeon, KR;
KOREA ELECTRIC POWER CORPORATION, Naju-si, KR;
Abstract
A data transmission system and method in a physical network separation environment is provided, which includes: a drive device controlling connection switching for one storage medium drive writing or reading a data file on or from a predetermined storage medium; a source-side server executing writing the data file on the storage medium loaded in the storage medium drive, after switching to a connection to the storage medium drive; a clean PC conducting hash value verification and a test for infection of malicious code with respect to the data file that has been written on the storage medium, after switching to a connection to the storage medium drive; and a destination-side server executing reading the tested data file from the storage medium, after switching to a connection to the storage medium drive.