Patent ID: 9713237
Date: 2017-07-18
CPC Classifications: F21V,H05B,Y02B

Claim:
1. A dynamically optimized ballast at least comprising: a case provided with a power input base and a power output base; and a circuit board set inside said case of the ballast, and provided with a power input socket, a power output socket, a microcontroller, a timer and a current-switching device, wherein said power input socket and power output socket are set corresponding to said power input base and power output base of said case, and said microcontroller is electrically connected to the power input socket, the power output socket, the timer and the current-switching device; wherein said microcontroller is provided with a timed step-up module which starts the timer and maintains a low current output to HID lamp at the time the circuit board is powered, and the timer transmits a signal to the microcontroller to start the current-switching device and automatically switch to a high current output to HID lamp when a preset time of the timer has been reached.