发明名称 TELEVISION CAMERA APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a television camera apparatus which improves accuracy of positioning, due to presetting, in an imaging direction and further has no risk of hunching. SOLUTION: A television camera apparatus includes: a horizontal turning part held in a fixed part serving as a pedestal rotatably by a horizontal turn shaft; and a camera housing held in the horizontal turning part rotatably by a vertical turn shaft, wherein a camera is housed in the camera housing. Control required for presetting panning and tilting due to a camera control circuit is made switchable to an open loop system and a feedback system, and the television camera apparatus is brought to a preset position by performing control according to the open loop system and then performing the feedback system control. After the apparatus is stopped at the preset position, its position is corrected under feedback control. Furthermore, the width of a dead zone to be set is made switchable to A or to B (A<B), the width A is used for feedback control after the open loop system, and the width B is used for the feedback control after stop. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009194856(A) 申请公布日期 2009.08.27
申请号 JP20080036376 申请日期 2008.02.18
申请人 HITACHI KOKUSAI ELECTRIC INC 发明人 KANAI NOBUHITO
分类号 H04N5/232 主分类号 H04N5/232
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