Digital pen, touch system, and method for providing information thereof
US9916019B2 · kind B2 · utility
3Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2016 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | May 14, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A digital pen, a touch system and a method for providing information thereof are provided. The touch system may include a display apparatus and a digital pen having a battery. The digital pen may be configured to sense a battery status of the battery, generate a signal indicating a location of the stylus with respect to the display apparatus. The signal may have a frequency corresponding to the battery status, and transmit the signal to the display apparatus. The display apparatus may be configured to receive the signal, analyze the signal, and acquire the location of the stylus and the battery status.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.