| 摘要 |
PROBLEM TO BE SOLVED: To provide an air pressure adjusting device in which an impact of manufacturing variation and deterioration over time is minimal, and calibration for each product can be omitted.SOLUTION: An air pressure adjusting device includes an air chamber (110), a gas compressor (compressor 120), a pressure sensor (130), and a control part (control microcomputer 140). The control part determines a pressure correction value based on (1) the maximum value P2 of the pressure of the gas in the air chamber after the start of the gas compressor, and (2) the value P3 of the pressure of the gas in the air chamber at the time when the pressure of the gas in the air chamber, which becomes maximum after the start of the gas compressor, and decreases, starts to increase again, in the result of detection by the pressure sensor. Based on the pressure correction value, the gas compressor can be controlled. |
