Secure access system utilizing an access card having more than one embedded integrated circuit and/or plurality of security levels
US5774546A · kind A · utility
104Cited by
31References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1997 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Jan 8, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/445
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data access system is provided including a processor, an IC card reader and writer coupled to the processor and including an IC card receptacle, and an IC card which is insertable into the IC card receptacle and which has a memory which includes video data to be accessed by the processor. The processor includes security level data determining the level of encryption of said video data. In another embodiment of the invention, one IC card with two separate integrated circuits embodied within is provided, each of the separate integrated circuits being separately accessible by an IC card reader and writer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.