Providing selective data broadcast receiver addressability
US5953418A · kind A · utility
58Cited by
38References
28Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 14, 1996 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Jun 14, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of transmitting data to a plurality of receivers is provided wherein an identifier is assigned to each of the receivers that cannot be ascertained once assigned, a subset of receivers is selected to receive data, and an encrypted board identifier corresponding to each receiver of the subset is transmitted, wherein a receiver of the subset becomes enabled upon receipt of the encrypted board identifier and data is transmitted with an indication that the data is only for receivers that have been enabled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.