Constant current driving device
US9307592B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 11, 2014 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Dec 11, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A constant current driving device includes an electronic device, a transistor, a rectifying circuit, a current limiting element, an impedance element, and a first and a second energy storage element. A first end of the electronic device is connected to a first end of a load element. A first end of the transistor is connected to a second end of the load element, a second end of the transistor is connected to a second end of the electronic device through an impedance element, and a control end of the transistor is connected to the second end of the electronic device through a first energy storage element. The rectifying circuit connected between the first end and the control end of the transistor. The current limiting element is connected in parallel with the rectifying circuit. The second energy storage element is connected between the first and second end of the electronic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.