Filter in a capacitance measuring circuit
US11983373B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2023 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | Feb 6, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04166
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A device may include a first set of electrodes, a second set of electrodes that is transverse the first set, and at least one connection between an electrode in the first set to an electrode in the second set by a high pass filter. The connected electrode(s) in the first set and the connected electrode(s) in the second set may form an antenna. The device may include a processor and memory. The memory may store programmed instructions which cause the processor, when executed, to transmit a wireless signal using the connected electrodes during a first time, and measure a capacitance signal using electrodes in the first set and electrodes in the second set during a second time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.