Digital photo frame with a function of automatically power off
US8189124B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 29, 2008 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Nov 29, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0089
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital photo frame with a function of automatically power off is provided. The digital photo frame includes a display unit, a power management unit, a storage unit, a detection unit, and a processing unit. The detection unit detects whether there is some one around the digital photo frame. The processing unit controls the power management unit to stop providing power to the display unit if the detection unit detects nobody around the digital photo frame in a first predetermined time period, and controls the power management unit to stop providing power to the digital photo frame if the detection unit detects nobody around the digital photo frame in a second predetermined time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.