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:
Mar. 17, 2020
Filed:
Aug. 12, 2014
Applicant:
Siemens Aktiengesellschaft, München, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, München, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/803 (2013.01); H04L 12/24 (2006.01); H04L 12/26 (2006.01); H04L 12/841 (2013.01);
U.S. Cl.
CPC ...
H04L 47/125 (2013.01); H04L 41/0618 (2013.01); H04L 43/0882 (2013.01); H04L 47/28 (2013.01);
Abstract
There is a need for coupling, for example within an automation area, particularly critical subareas with less critical subareas of the automation area. The invention relates to a method and a network filtering device for filtering a data packet between a first network and a second network. According to the invention, a data packet is checked several times in parallel by means of a multiplier and a plurality of filtering devices.