Portable authentification system
Patent 5131038 Issued on July 14, 1992. Estimated Expiration Date: 
November 7, 2010. 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.
November 7, 2010. 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 transaction system for financial data Unforgeable personal identification system Method and system for personal identification using proofs of legitimacy Method and apparatus for personal verification utilizing nonpredictable codes and biocharacteristics Patent #: 4998279 InventorsAssigneeApplicationNo. 610173 filed on 11/07/1990US Classes:340/5.61, Wireless transceiver235/380, Credit or identification card systems235/382, Permitting access380/30Public keyExaminersPrimary: Gregory, Bernarr E.Attorney, Agent or FirmInternational ClassesH04L 009/32G07F 007/08 AbstractA personal identity authentification system is provided in which parametric data of an authorized possessor is encrypted into a memory of a portable transceiver device. The portable transceiver device, carried by a possessor, may be activated by an identity request transmitted from a nearby, authorized verification device. Upon activation, the portable transceiver transmits the encrypted data to the verification device which, when decoded by a verification unit, provides positive identification of the authorized possessor. | |
