| 摘要 |
<p>A surveying device has a light source for emitting a distance measuring light 6, an elevation rotary mirror 56 for deflecting said distance measuring light in a direction toward an object to be measured, a high-speed deflection mirror 62 for deflecting said distance measuring light at a speed higher than said elevation rotary mirror, a distance Treasuring light projecting unit for projecting said distance measuring light, and an arithmetic control unit for controlling driving of said high-speed deflection Mirror and said elevation rotary mirror.</p> |
