| 摘要 |
PROBLEM TO BE SOLVED: To reduce flickers of lightness of a luminaire, a television, etc., connected to the same power supply system. SOLUTION: When the power source is turned ON, a CPU 3 takes a normal turn-on time out of a RAM 1, sets 240 mn as the turn-ON time of the main heater 901 and 160 mn as the turn-ON time of a subheater 902 in a heater control part 4 and a heat-up process is performed. When a standby mode entered after the heat-up process ends, the CPU 3 takes a changed turn-ON time out of the RAM 1 and sets 7200 mn as the turn-ON time of the main heater 901 and 4800 ms as the turn-ON time of the subheater 902 in the heater control part 4. With a copy start key 5 pressed, the CPU 3 takes the normal turn-ON time out of the RAM 1 and sets 240 mn as the main heater turn-ON time and 160 mn as the subheater turn-ON time in the heater control part 4. |
