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:
Nov. 18, 2025
Filed:
Oct. 07, 2019
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Assignee:
SIEMENS AKTIENGESELLSCHAFT, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G05B 19/042 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0838 (2013.01); G05B 19/0428 (2013.01); H04L 9/0825 (2013.01); H04L 9/085 (2013.01); G05B 2219/25205 (2013.01); G05B 2219/25428 (2013.01);
Abstract
Provided is a method for operating a field device. The field device is configured for interacting with a control device. According to the method, a base key is received from a key generation device. A current constraint parameter relating to a predefined operating constraint for operating the field device is determined. A key is generated based on the base key and the current constraint parameter. The field device interacts with the control device using the generated key.