Dual smart card access control electronic data storage and retrieval system and methods
US5629508A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1995 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Feb 6, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C9/29
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention pertains to an electronic data access and retrieval system comprising at least first and second smart cards, a first card being encoded with digital data fields representative of predetermined information and a second card including authorization codes for enabling access to and authorized retrieval of selected information from digital data fields of the first card, and includes computer means including display means for displaying the access data. A method is also disclosed of operating an electronic secured access verification display system for displaying an indication of permissable and non-permissable access to a facility of authorized personnel and for verifying the identity of such personnel by providing IDENTITY SMART CARDS, one for each authorized person, and an ACCESS SMART CARD to each authorized operator of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.