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.

Date of Patent:
Jun. 13, 2023

Filed:

Nov. 10, 2020
Applicant:

Siemens Aktiengesellschaft, Munich, DE;

Inventors:

Jochen Balduf, Hambrücken, DE;

Anna Palmin, Karlsruhe, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/40 (2022.01); G05B 19/418 (2006.01); G06F 1/12 (2006.01); G06F 1/14 (2006.01); H04L 69/28 (2022.01);
U.S. Cl.
CPC ...
H04L 63/0823 (2013.01); G05B 19/4185 (2013.01); G06F 1/12 (2013.01); G06F 1/14 (2013.01); H04L 63/0442 (2013.01); H04L 69/28 (2013.01); G05B 2219/31213 (2013.01); H04L 2463/121 (2013.01);
Abstract

System and method for secure time synchronization in an industrial facility, wherein a synchronization request of a facility component is transmitted to a registration service of a certificate management of the facility and the synchronization request is examined by the registration service, where the synchronization request includes a signature of the requesting facility component, and where depending on an outcome of the examination, a synchronization response is then transmitted to the requesting facility component a system time of the facility component is matched to a system time of the registration service based on the synchronization response.


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