Active stylus with multiple sensors for receiving signals from a touch sensor
US11360582B2 · kind B2 · utility
3Cited by
16References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 2021 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Mar 22, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04112
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A stylus includes a first sensor configured to receive a first receive signal from a touch sensor of a device, and a second sensor configured to receive a second receive signal from the touch sensor of the device. The stylus includes an amplifier coupled to the first and second sensors and configured to produce a third signal by amplifying the difference between the first receive signal and the second receive signal. The stylus includes a controller configured to decode information encoded in the first receive signal and the second receive signal by processing the third signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.