Television proximity sensor
US7343615B2 · kind B2 · utility
25Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2005 |
| Grant date | Mar 11, 2008 |
| Priority date | — |
| Expiry date | Dec 1, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/56
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Systems and methods for determining whether a television is on and in near proximity are provided. An example system includes a sensor, an analog-to-digital converter, and a digital signal processor. The digital signal processor processes a set of digital audio samples detected by the sensor to determine if the sensor is in near proximity to a television in an on state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.