Patent ID: 11889003
Assignee: TTP PLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A unit registration method to be performed on a unit under test (UUT) by a verification device, the unit registration method comprising:
connecting the verification device to the UUT;
applying a set of challenge signals to a plurality of conductors of the UUT by the verification device,
wherein the set of challenge signals are applied by the verification device to a varying selection of the plurality of conductors of the UUT, and
wherein the varying selection of the plurality of conductors varies between each challenge signal within the set of challenge signals;

receiving response signals from the UUT in response to the set of challenge signals;
measuring electro-magnetic responses of the response signals,
wherein the electro-magnetic responses are based on challenge signals within the set of challenge signals and physical properties of the UUT;

generating a registration key based on the electro-magnetic responses measured by the verification device, wherein the registration key is unique to the UUT; and
storing the registration key.