PURPOSE: To arbitrarily set a pulse repeating cycle, by calculating a timing cycle from the cycle of a commercial power source and the cycle of the pulse repeating signal and outputting a view trigger signal from the timing cycle and the pulse repeating cycle.
CONSTITUTION: The view trigger signal sent to a gradient magnetic field driving circuit 3 and a gate modulating circuit 8 from a sequency memory circuit 6 is generated in the view trigger generating circuit mounted in the sequence memory circuit 6. The view trigger generating circuit calculates a timing cycle from the cycle of a commercial power source and the cycle of a pulse repeating signal and outputs a view trigger signal from said timing cycle and the pulse repeating cycle. A computer 7 measures the phase change quantity of each pixel in the reading direction in the timing cycle in a phase measuring sequence and subsequently operates the same to correct the phase of each pixel.
OGAWA YOSHIYUKI
KOSUGI SUSUMU
