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:
Apr. 08, 2014
Filed:
Jul. 04, 2007
Applicant:
Paul Richard Tapster, Worcestershire, GB;
Inventor:
Paul Richard Tapster, Worcestershire, GB;
Assignee:
Qinetiq Limited, , GB;
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/00 (2006.01); H04L 29/06 (2006.01); G06F 1/00 (2006.01); H04L 9/08 (2006.01); H04L 9/12 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0852 (2013.01); H04L 9/12 (2013.01); H04L 7/008 (2013.01);
Abstract
A timing and synchronization apparatus and method for a quantum cryptography system is disclosed. A gating pulse is generated by a clock and synchronized to the receipt of transmitted photons at the detector. The apparatus is arranged to only accept photon detection events occurring during the gating period.