发明名称 |
Image pickup apparatus with lens unit detection and recording control |
摘要 |
In a video camera apparatus having a camera main-body unit and a lens unit detachably mounted on the camera main-body unit, a state of the lens unit attached to or detached from the camera main-body unit is determined. If the lens unit is not accurately attached to the camera main-body unit, a power supply is controlled and various driving units in the lens unit are disabled or set in a state of low power consumption. At the same time, picture recording is prohibited on the camera main-body unit side, and a nonmounting state of the lens is displayed.
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申请公布号 |
US5600371(A) |
申请公布日期 |
1997.02.04 |
申请号 |
US19930174623 |
申请日期 |
1993.12.23 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
ARAI, HIDEYUKI;KYUMA, KENJI;TAJIMA, KOJI;IIJIMA, RYUNOSUKE |
分类号 |
H04N5/232;(IPC1-7):H04N5/225 |
主分类号 |
H04N5/232 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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