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:
Aug. 04, 2026
Filed:
Oct. 10, 2023
Electronics and Telecommunications Research Institute, Daejeon, KR;
O-Sung Kwon, Daejeon, KR;
Jin-Gak Jang, Daejeon, KR;
Haeng-Seok Ko, Daejeon, KR;
Dae-Sung Kwon, Daejeon, KR;
Youn-Chang Jeong, Daejeon, KR;
Se-Wan Ji, Daejeon, KR;
Seok Kim, Daejeon, KR;
Chang-Ho Hong, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
Disclosed herein is a quantum key distribution apparatus. The quantum key distribution apparatus includes an optical pulse in which information for private key generation is included is transmitted to multiple receivers, respectively, through different communication paths, and the optical pulse is generated at a speed higher than an optical pulse measurement speed of each of the multiple receivers by a multiple of a number of multiple receivers.