Patent ID: 6861944

Claim:
An authorization control system for personal use of a device, comprising: storage means for storing personal code data; signal provider means for outputting signals representing said personal code data; signal delivery interface means for receiving said signals representing said personal code data, and adapted for wear by a user in proximity to a body of the user; signal receive interface means, connected to the device, for receiving said signal from said signal delivery interface means; a signal processing device, connected to said signal receive interface means, for determining a user's authorization for using the device by evaluating said signals and outputting a signal indicative of an evaluation result; a control device connected to said signal processing device; and an actuator for said device coupled to said control device, for allowing said user to use said device based on an output of said control device, wherein a signal path between said signal provider means and said signal receive interface means includes a user's body, and wherein said signal delivery interface means is capacitively coupled to said signal receive interface means.