Systems and methods for gathering data concerning usage of media data
US7483975B2 · kind B2 · utility
83Cited by
31References
111Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2004 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Feb 8, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/45
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention concerns methods and systems for gathering data concerning usage of media data provided from a predetermined receiver to a user. First data concerning usage of the media data is gathered by means of a portable monitor carried on the person of the user. Second data concerning usage of media data by the predetermined receiver is gathered by a monitoring system separate from the portable monitor, the second data corresponding to at least a portion of the first data. Audience measurement data is produced based on the first and second data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.