Display device on/off detection methods and apparatus
US9961342B2 · kind B2 · utility
11Cited by
109References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2016 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Jul 11, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4394
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Display device ON/OFF detection methods and apparatus are disclosed. Example methods disclosed herein include measuring, with a first sensor, a first temperature value associated with the media device. Example methods disclosed herein also include measuring, with a second sensor, a second temperature value corresponding to an ambient temperature in an environment including the media device. Example methods disclosed herein further include comparing the first temperature value to the second temperature value to make a first determination indicating whether the media device is ON or OFF.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.