| 摘要 |
PURPOSE: A system for automatically photographing a video by a sensor without a person is provided to prevent a camera from photographing other things except a lecturer or a pen when a lecture is photographed. CONSTITUTION: A photographing camera(100) calculates an angle by calculating a distance based on a sensor signal. The photographing camera photographs a video by adjusting horizontal and vertical angles. A terminal(200) provides a photographed screen and photographing time. The terminal monitors whether photographing the video is normal. A remote controller(300) remotely controls the photographing camera. A writing unit(400) includes a device for sending the sensor signal.
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