Patent ID: 11869290
Assignee: KNAPP AG
Field: Control (Instruments)
Classification: CPC G  E  F | IPC E  F  G

Claim 0:
1. A security system for a danger area which comprises a machine having a machine control unit, the security system comprising an access door to the danger area, the door being assigned to a key, and a key storage device operable to store the key, the key being provided with an identification code, wherein the key storage device comprises a locking unit having an unlocked state in which the key is removable from the key storage device and a locked state in which the key is locked in, or on, the key storage device, wherein the key storage device comprises a control unit connected to the locking unit and having a data interface, and the control unit operable to read out the identification code of the key and providing the identification code of the key at the data interface, wherein the key storage device comprises a receptacle, configured as a hole, configured to receive a blocking element which is independent of the key storage device, and comprising a padlock, for blocking a connection of the key to the key storage device, wherein the machine control unit is connected to the key storage device and operable to release, upon identification of the identification code of the key of the access door by the control unit of the key storage device, an operating state of the machine and/or upon transferring the locking unit from the locked state to the unlocked state, to set the machine from the operating state to a security state.