| 摘要 |
PROBLEM TO BE SOLVED: To automatically turn a power source on or off in accordance with whether a target for photographic survey is used. SOLUTION: A control part cabinet 20 is fixed in a unified body with a first pillar part member 12 of a target 10. A second pillar part member 14 is fixed pivotally to the side surface 20c of the control part cabinet 20 by using a hinge 15. Two inclination sensors 52, 54, an azimuth sensor 8 and a power source driving the sensors are installed in the target 10. A switch turning on and off the power source is installed in the vicinity of the hinge 15 of the control part cabinet 20. When the end surface 14a of the second pillar part member 14 is closely brought into with the side surface 20c, the switch is pressed and the power source is turned on. |
