Adaptive capacitor charge/discharge network
US7839203B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2005 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Jan 24, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F1/56
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An adaptive capacitor charge/discharge network tailors the rate-of-change of a capacitor. The network includes two circuit groups with two or more parallel circuit branches, each branch including a current source and a controllable switch connected in series. The parallel circuit branches of one group are connected to Vss, and the parallel circuit branches of the other group are connected to Vdd. All the parallel circuit branches are connected to one plate of a capacitor, the other plate of the capacitor is connected to either Vss or Vdd. A control circuit controls the switch status, and incrementally controls the charge/discharge of the capacitor according to a predetermined order and a predetermined timing sequence to achieve a desired tailored charge/discharge curve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.