Tag Archives: unauthorized

IC card capable of inhibiting unauthorized access

Application Number: 00123477Application Date: 2000.08.17Publication Number: 1285570Publication Date: 2001.02.28Priority Information: 1999/8/19 JP 232728/1999International: G06K19/073Applicant(s) Name: NEC Corp.Address: Inventor(s) Name: Isogai HideoPatent Agency Code: 11219Patent Agent: mu dejunAbstract An integrated circuit card includes a memory , a status register and control circuitry. The control circuitry is arranged to receive a command and a password associated therewith… Read More »

Method for preventing unauthorized used of CD, optical disk based on the same method and its producing method

Application Number: 00108551Application Date: 2000.05.16Publication Number: 1323028Publication Date: 2001.11.21Priority Information: International: G11B7/007;G11B7/24Applicant(s) Name: K.K.OptromAddress: Inventor(s) Name: Saito Tetsuo;Kada IchitakaPatent Agency Code: 11038Patent Agent: du rixinAbstract The method of protecting CD against illegal use is simple and has no need of changing the hardware structure of CD driver and the software program of computer related to… Read More »