Method for break reminder and display device using the same
US7741957B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 20, 2007 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Jul 6, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2354/00
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention provides method for break reminder and a display device. The display device includes a display unit; a clock counter; a distance estimator configured for detecting if the display device being used by a user, calculating distance between the user and a front of the display device, and generating a tracking signal if the distance is less than a predetermined distance; and a central processing unit configured for waiting for the tracking signal, resetting a worked time and a rested time when the tracking signal is received, signaling the clock counter to track the worked time, detecting if the worked time is less than a first predetermined time, and signaling the display unit to output the message prompt when the worked time is equal to or greater than the first predetermined time, thereby the present invention can prevent the user of the display device from fatigue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.