| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a circuit for displaying various operational states of an electric apparatus.SOLUTION: Analog signals obtained by measuring useful parameters, indicating various operational states of an electric apparatus, by means of a plurality of integrated measurement circuits 121, 122, 123, 124 are encoded using an analog-digital converter built in a microcontroller unit (MCU)110, a plurality of PWM electric signals are generated based on the calculation using the coded signals and the comparison results, and display is performed with various color patterns and luminance, by driving each LED chip of a single multicolor LED(D1) by the plurality of PWM electric signals.SELECTED DRAWING: Figure 1 |
