| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation panel for improving operability of ultrasonic diagnostic equipment. SOLUTION: The operation panel for operating the ultrasonic diagnostic equipment has a track ball 12 and a plurality of switches 22 for receiving operation about this. The track ball 12 is for receiving operation for adjusting displaying of an ultrasonic image, and is provided with a ball body 16 partially projecting from the inside of the operation panel. The plurality of switches 22 are arranged closely surrounding the track ball 12. In addition, the level of the top surfaces of the plurality of switches 22 is positioned between the level of the center of a ball body 16 and a ball vertex level. COPYRIGHT: (C)2006,JPO&NCIPI
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