| 摘要 |
a up/down rotating method(24) which rotates a camera unit(22) in direction of up and down and which is installed in a first base plate(23) which is installed in a second base plate(25) with ability of rotating and movement and which is installed in upper part of the camera unit to move and rotate the camera unit, a right/left rotating means(26) which rotates the camera unit in direction of right and left on rotating the first base plate and in direction of right and left on central of the second base plate.
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