发明名称 |
MOVIE CAMERA HAVING ADJUSTABLE SHUTTER |
摘要 |
A shutter system for a movie camera or the like for controlling the film exposure including a main shutter wheel rotatably mounted on main drive shaft driven by a first motor and at least one adjustable shutter wheel positioned adjacent to and coaxially rotating with the main shutter wheel, the adjustable shutter wheel being mounted on a secondary shaft independently driven by a second motor. Both the aperture (determined by the relative positions of the shutter wheels of the main shutter wheel and adjustable shutter wheel) and the shutter speed are set by a controller which regulates the speed of each of the motors.
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申请公布号 |
CA2205726(A1) |
申请公布日期 |
1997.11.30 |
申请号 |
CA19972205726 |
申请日期 |
1997.05.20 |
申请人 |
PANAVISION INC. |
发明人 |
CHANG, ERIC M.;SAIKI, ALBERT K.;DANG, BRIAN C. |
分类号 |
G03B9/12;(IPC1-7):G03B9/24;H04N5/225 |
主分类号 |
G03B9/12 |
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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