Patent ID: 11905736
Assignee: nan
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 3:
4. The security device according to claim 3
wherein each blade selected from the multi-blade structure of the key structure is a toothed structure;
wherein by toothed structure is meant that each blade selected from the multi-blade structure is formed with a series of ridges and grooves that are individualized to the selected blade;
wherein the toothed structure of each blade selected from the multi-blade structure interacts with the lock control circuit in a manner that is similar to the way a traditional lock key interacts with the tumblers of a traditional lock;
wherein the lock control circuit simultaneously measures the toothed structure of each blade selected from the multi-blade structure of the key structure to identify whether the key structure is authorized to release the locking structure.