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. 13, 2018
Filed:
Mar. 01, 2017
Sick Ag, Waldkirch, DE;
Fabio Brunner, Waldkirch, DE;
SICK AG, Waldkirch, DE;
Abstract
A system having a mobile key unit () for reading and writing data from at least one external device () of a facility (), wherein the data at least comprise identification data for the device () to be checked, and wherein the mobile key unit () has a first transmission/reception unit () by means of which the data can be transmitted wirelessly between the device () and the key unit (), wherein the key unit () has a first memory (), the key unit () has at least one secure channel () having a first evaluation unit () and the first transmission/reception unit () and has at least one second channel () having a second evaluation unit () and a second transmission/reception unit () by means of which data can be wirelessly transferred between the device () and the key device (), wherein the data can at least be transmitted using one of the transmission/reception units.