Method and apparatus for monitoring viewing of broadcast data
US6184918A · kind A · utility
116Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1997 |
| Grant date | Feb 6, 2001 |
| Priority date | — |
| Expiry date | Sep 30, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8455
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for monitoring viewing of broadcast data includes detecting a lead tag corresponding to a program in the broadcast data. The broadcast data is monitored for a tail tag corresponding to the program. Whether the program was viewed in its entirety is determined by matching the lead tag with the tail tag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.