| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor-driven pan head which can be endlessly turned and in which transmission of a control signal and a video signal between a fixed part and a turning part is satisfactorily performed for a long time. SOLUTION: A slip ring transmission part which transmits power and the control signal is constituted between two bearings 32a and 32b, and the slip ring transmission part and an optical signal transmission part which transmits the video signal are provided in a closed space formed by a pan rotating body 22, a bearing housing 21, a cover 43, etc.
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