Passive pen with ground mass state switch
US9582093B2 · kind B2 · utility
5Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2014 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Apr 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/044
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A passive pen includes a pen body, and a tip disposed at a first end of the pen body. The tip capacitively couples to the pen body, and the capacitive coupling is configured to change the tip from a first ground mass state to a second ground mass state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.