Conditional access system, display of authorization status
US6115821A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1998 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Jun 24, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4623
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An access control processor provides for display of a message related to an authorization status of an information receiver in a conditional access system for receiving an information segment when the information segment is provided separately by each of a plurality of different service providers. The processor processes a plurality of authorization signals respectively related to the information segment provided separately by the plurality of different service providers; determines which of a plurality of different possible authorization statuses is applicable for the received information segment for each of the respective authorization signals related to the different service providers; selects one of the determined statuses in accordance with a predetermined priority; selects from a plurality of different possible authorization status messages the message applicable to the status determined in accordance with said priority; and provides the selected message for display. The message related to an authorization status of the information receiver is retrieved for display from a plurality of different possible authorization status messages within an information stream received by th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.