Determining location of an audience member having a portable media monitor
US7471987B2 · kind B2 · utility
160Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2002 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Apr 23, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/51
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems, methods and devices for gathering data concerning media usage by predetermined audience members. An audience measurement code in acoustic energy produced by a media receiver is detected by a portable media monitor. The monitor also detects a location code produced in a vicinity of the media receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.