System and process for identification of persons requesting access to particular facilities
Patent 4471216 Issued on September 11, 1984. Estimated Expiration Date: 
September 11, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 11, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSecurity system for remote cash dispensers Method and apparatus for securing data transmissions Method and apparatus for securing data transmissions Method and apparatus for securing data transmissions Method and apparatus for achieving secure password verification Patent #: 4295039 InventorAssigneeApplicationNo. 06/200785 filed on 10/27/1980US Classes:235/380, Credit or identification card systems235/375, SYSTEMS CONTROLLED BY DATA BEARING RECORDS235/376, Operations analysis235/377, Time analysis235/379, Banking systems235/487, RECORDS235/492, Conductive713/182, SYSTEM ACCESS CONTROL BASED ON USER IDENTIFICATION BY CRYPTOGRAPHY713/185Using record or tokenExaminersPrimary: Rubinson, Gene Z.Assistant: Lev, Robert Attorney, Agent or FirmInternational ClassG07F 7/10 (20060101)Foreign Application Priority Data1979-11-09 FRAbstractThe user has a credit card incorporating electronic devices and/or circuits. The facility which is to be protected has an electronic device and/or circuit analogous to that of the credit card. The devices of the credit card and of the facility contain in their respective memories a secret code S, an identification code In, and a program p. The facility which is to be protected has available a generator of a random code E which is transmitted into each of the devices when a request for access is made. The devices within the card and the facility each calculate the function R=p(S, E, In), and a comparator situated in the facility which is to be protected compares the functions supplied by each of the devices to allow or deny access of the person to the said facility. | |
