发明名称 VIDEO CAMERA AND CONTROLLER THEREFOR
摘要 PROBLEM TO BE SOLVED: To provide a video camera for accelerating a control speed while maintaining a cost low and the control method. SOLUTION: When a state lower than a prescribed value (80% of exposure appropriate value, for instance) continues for prescribed time (15 fields, 240 ms, for instance) in signals from an image pickup element, since a microcomputer opens the diaphragm of an iris and immediately starts AGC control, the slow convergence of control near the diaphragm opening of the iris is evaded and the response speed of the control is accelerated.
申请公布号 JP2000041182(A) 申请公布日期 2000.02.08
申请号 JP19980222473 申请日期 1998.07.23
申请人 KONICA CORP 发明人 SHIMADA MASAKI;TERAUCHI TAKASHI
分类号 G03B7/095;H04N5/238;(IPC1-7):H04N5/238 主分类号 G03B7/095
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