| 摘要 |
An image pickup system in which the number of cables for connecting a video camera, a headset and a personal computer are reduced. The video camera and an expansion board attached to the personal computer are connected by a single cable through 8-pin DIN connectors. Through this cable, a synchronizing signal, a control signal, and a sound signal (which is sent from an external source) are transmitted to the video camera from the expansion board. Further, a headset (having earphones and a microphone) worn by the user of the video camera is connected to the video camera through another cable. Through this cable, a sound signal from the external source is transmitted to the earphones, while a sound signal from the user input through the microphone is sent to the expansion board via the video camera and the cable for connecting the camera and the board.
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