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. 09, 2019
Filed:
Mar. 20, 2015
Krohne Messtechnik Gmbh, Duisburg, DE;
Christoph Spiegel, Oberhausen, DE;
Markus Dabrowski, Duisburg, DE;
Rene Keimling, Duisburg, DE;
Christian Hansen, Hattingen, DE;
KROHNE MESSTECHNIK GMBH, Duisburg, DE;
Abstract
A method for providing safe access of a mobile control unit () to a field device (), wherein, in particular, the field device is protected against unauthorized access via a mobile control unit is achieved in that a connection for transmitting data is established between the mobile control unit () and the field device (), that access data for access is exchanged, that a comparison is made between the access data and stored comparison data and a comparison result is generated, and that access of the mobile control unit () to the field device () is permitted based on the comparison result.