Method for identifying rated power of HID lamp
US8878459B2 · kind B2 · utility
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3References
20Claims
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Key dates
| Filing date | Mar 20, 2012 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Sep 8, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/245
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for identifying a rated power of a HID lamp includes the steps of: outputting a first driving signal and a second driving signal to drive the HID lamp in order, and calculating a first electric characteristic variation of the HID lamp; and identifying the rated power of the HID lamp according to the first electric characteristic variation and a first default value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.