A solenoid valve device controls a driving force generated by a linear solenoid, for pressing a spool away from the linear solenoid by controlling a current supplied to a coil, and ultimately adjusting an oil pressure flowing from an outlet port. One method includes acquiring ultrasound data relating to an object and iteratively adjusting acoustic power output of the ultrasound system based on the acquired ultrasound data. Such \u201cbrowse node attributes\u201d may be displayed with their respective associated item category. A customer transaction data image processing portion 5 writes customer transaction data into a table and the table is picked up as an image. In this display device, first and second groups of external repeating terminals for the first and second electrodes are collectively provided side by side in a part of the peripheral region.