US2010005303A120100107US2010005303enA120100107US2010005303enUS56111209National20090916US5611120920090916USUS20090561112US9565590720071214USUS2007095655911956559US201000530320100107A1H04L 93271FI20130101EPBHH04L220980LA20130924EPBHH04L 9/00 20060101AFI20100107BHUS 20060101AFI20100107BHUSH04L900UNIVERSAL AUTHENTICATION METHODUS2010316219A120101216US2007067829A120070322US2002174335A120021121US6084969A20000704US7373509B220080513US2002064279A120020530US2003110399A120030612US2005114658A120050526US7155607B220061226US7194765B220070320US7194766B220070320US7197640B220070327US2007256140A120071101US2007256143A120071101US7353385B220080401US2008250481A120081009NG JAMESUSNG JAMESNG JAMESThe object of the current invention is to provide the user with an authentication method that is more secure than conventional authentication methods and can be used on personal computers, PDAs, cell phones, personal digital media devices, home and car lock and security systems, television/VCR/DVD remote controls, credit card authentication systems, automatic teller machine authentication systems, among others.