US 12,407,690 B2
Apparatus for protecting access to segments in distributed systems
Andreas Isenmann, Haslach im Kinzigtal (DE); Clemens Hengstler, Haslach (DE); and Florian Burgert, Gengenbach (DE)
Assigned to VEGA Grieshaber KG, Wolfach (DE)
Filed by VEGA Grieshaber KG, Wolfach (DE)
Filed on Nov. 12, 2021, as Appl. No. 17/525,198.
Claims priority of application No. 20 207 449 (EP), filed on Nov. 13, 2020.
Prior Publication US 2022/0159009 A1, May 19, 2022
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/104 (2013.01) [H04L 63/101 (2013.01); H04L 63/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An apparatus for protecting access to a segment as a networked client-server system in distributed systems with a smartphone as a client,
the segment comprising at least two field devices as servers interacting via a computer network or via an ad hoc network, each field device as server being equipped with access data, the access data comprising an individual access code and an individual code for locking a parameterization of the field device, and
the apparatus comprising:
an input device configured to acquire the access data for a first field device, and
a verification device configured to verify the acquired access data from a second field device,
wherein the first field device and the second field device are coupled to the segment.