| 摘要 |
Collision of communication data on a network line is prevented. A plurality of CPU boards which are independent of one another and have respective ones of CPUs mounted thereon are connected by a network line. Since data collision will occur when multiple streams of control data are transmitted on the network line, the order of priority of camera control is decided. If a zoom lens is shifted toward telephoto and, moreover, the aperture of an iris is shifted toward the open side, the order of priority of focusing lens control is raised. If a zoom lens is shifted toward wide angle and, moreover, the aperture of the iris is shifted toward the closed side, the order of priority of focusing lens control is lowered. Since camera control is carried out in accordance with the order of priority, collision of data on the network line is avoided. |
