US Patent No. 11,116,051

DIMMING POWER SUPPLY DEVICE AND LIGHT SOURCE DEVICE


Patent No. 11,116,051
Issue Date September 07, 2021
Title Dimming Power Supply Device And Light Source Device
Inventorship Takayuki Shiihara, Moriyama (JP)
Masamitsu Takemori, Moriyama (JP)
Toshihiro Horiuchi, Moriyama (JP)
Assignee LEIMAC LTD., Moriyama (JP)

Claim of US Patent No. 11,116,051


1. A dimming power supply device, comprising:a case;
a trigger input connector in which a plurality of terminals are disposed to be exposed to outside from inside of the case;
a trigger input circuit disposed inside the case, a signal input to at least one terminal of the plurality of terminals being input to the trigger input circuit;
an FPGA writing enabling circuit disposed inside the case, a signal input to the at least one terminal of the plurality of terminals being input to the FPGA writing enabling circuit; and
a dimming FPGA disposed inside the case, in an FPGA writing mode, a circuit configuration thereof being rewritten by inputting an output signal of the FPGA writing enabling circuit, and in a dimming mode, a light source being dimmed by inputting an output signal of the trigger input circuit as a trigger.