发明名称 |
SHUTTER AND IRIS COMBINED AUTOMATIC EXPOSURE DEVICE |
摘要 |
An automatic exposure device having an exposure sensor and a microprocessor includes a plurality of shuris wings each having a window of a given shape to be movable in respect to each other a motor controlled by the microprocessor for driving the movement of the plurality of shuris wings, an encoder disc for sensing a state of revolution of the motor, a counter for transmitting the state of revolution to the microprocessor by checking an encoder value recorded in the encoder disc, and a ROM table connected to the microprocessor for storing the encoder value and an exposure value corresponding to the encoder value.
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申请公布号 |
US5245380(A) |
申请公布日期 |
1993.09.14 |
申请号 |
US19910813797 |
申请日期 |
1991.12.26 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
YANG, JAE-WAN |
分类号 |
G03B7/097;G03B7/10;G03B9/42 |
主分类号 |
G03B7/097 |
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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