Browse Prior Art Database

4 colors secure site system Disclosure Number: IPCOM000020247D
Original Publication Date: 2003-Nov-06
Included in the Prior Art Database: 2003-Nov-06

Publishing Venue



Disclosed is a idea for the improvement in office security management of Identity & Access. We can record personal position information on server by means of Magnetic or IC Card already, but if we apply Four-Color theorem, recording data requires only 2 bits.