发明名称 |
Vorrichtung zur automatischen Belichtungskontrolle für eine Kamera |
摘要 |
An automatic exposure control apparatus for a camera for metering a reflected light from a film surface in a flash photographing mode and stopping a light emission in accordance with the comparison comprises a flashing device (101) for providing a preliminary light emission, an early main light emission and a late main light emission, a flashing control unit (102) for controlling the flashing device (101) to provide the preliminary light emission in a closed state of a shutter curtain and providing the early main light emission and the late main light emission in sequence after the shutter curtain has been opened, a metering unit (103) for metering a reflected light from the shutter curtain surface at the preliminary light emission and metering a reflected light from the film surface at the early main light emission and the late main light emission, and an exposure control unit (104) for comparing a metering output of the metering device for the preliminary light emission and a metering output for the early main light emission, determining a predetermined exposure condition in accordance with the comparison and stopping the late main light emission after the start of the late main light emission in accordance with the exposure condition. <IMAGE> |
申请公布号 |
DE69121508(D1) |
申请公布日期 |
1996.09.26 |
申请号 |
DE1991621508 |
申请日期 |
1991.10.15 |
申请人 |
NIKON CORP., TOKIO/TOKYO, JP |
发明人 |
TAKAGI, TADAO, YOKOHAMA-SHI, KANAGAWA-KEN, JP |
分类号 |
G03B7/16;G03B15/05 |
主分类号 |
G03B7/16 |
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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