| 摘要 |
PROBLEM TO BE SOLVED: To move and expand an image display range in the state of an animation image without freezing an image. SOLUTION: An ultrasonic diagnosing apparatus is equipped with means 1, 3 repeatedly forming ultrasonic image data, a frame memory unit 9, a frame memory control circuit 21 writing ultrasonic image data in the frame memory unit 9 according to writing control data and reading the same from the frame memory unit 9, a monitor 15 displaying the ultrasonic image data read from the frame memory unit 9 as an animation image and input machinery 19 for designating the alteration of the image display range to the display screen of the monitor 15. The frame memory control circuit 21 prepares the writing control data corresponding to the altered display range while continues the writing of the ultrasonic image data to the frame memory unit 9 according to writing control data. |
