Television proximity sensor
US7100181B2 · kind B2 · utility
64Cited by
11References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2002 |
| Grant date | Aug 29, 2006 |
| Priority date | — |
| Expiry date | Jan 26, 2024 |
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 as 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.