Color temperature and illumination adjusting system, and method thereof
US9307614B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2013 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Jan 27, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A temperature and illumination adjusting system, including: a temperature and illumination adjusting device, including a CPU, receiving a temperature value and an illumination value, and generating a first PWM value and a second PWM value according to a first formula and a second formula; and a communication unit, outputting the first PWM value and the second PWM value; and a lamp device, including a lamp communication unit, receiving the first PWM value and the second PWM value; a first light module; a second light module; a first PWM driving unit, driving the first light module with the first PWM value; a second PWM driving unit, driving the second light module with the second PWM value, wherein the outputs of the first light module and the second light module have different color temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.