Sensor side charge cancellation
US10162453B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2015 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Apr 1, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04182
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An input device includes a receiver electrode, a transmitter electrode and a processing system coupled to the receiver electrode and transmitter electrode. The processing system is configured to transmit a transmitter signal with the transmitter electrode during a first time period, inject a charge onto the receiver electrode during a second time period, and receive a resulting signal from the receiver electrode during a third time period. The resulting signal includes effects corresponding to the injected charge. The second time period and the third time period are non-overlapping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.