A device for effecting personal identification which can be used in automatic teller machines, etc. is disclosed. The device utilize a portable memory medium, such as an IC memory card, which stores guidance information together with a personal identification code; when the medium is inserted into a...http://www.google.com.au/patents/US4912308?utm_source=gb-gplus-sharePatent US4912308 - Device and method for effecting personal identification utilizing an IC card
