Monitoring device for capturing audience research data
US9021514B2 · kind B2 · utility
0Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2010 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Mar 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H20/31
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A monitoring device (1) comprising a basic set of audience research data retrieval units (7, 9) which are compatible with a broad range of AV appliances reproducing AV contents like TV sets (3). The data retrieval units are a audio watermark retrieval unit (9) and an audio signal sampling unit (7). For easy adaptation to particular AV installation, the monitoring device (1) is provided with internal and external connectors so that specialized modules can be integrated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.