Method for adjusting a mechanical shutter
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United States of America Patent
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N/A
Issued Date -
Feb 28, 2008
app pub date -
Aug 24, 2006
filing date -
Aug 24, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for adjusting a mechanical shutter when an exposure time of the mechanical shutter is less than a control time of the mechanical shutter, including: (a) measuring a raw image of an initial photo to obtain a standard brightness value, after the initial photo with a predetermined correct luminance is captured in a high luminance environment; (b) fixing some parameters that are changed easily when taking a picture, after auto exposure (AE) is stable; (c) adjusting the mechanical shutter's trigger point; (d) taking a picture for obtaining another photo and measuring a raw image of the other photo for obtaining a testing brightness value; (e) comparing whether the testing brightness value and the standard brightness value are the same; and (f) if the testing brightness value and the standard brightness value are the same, determining that the trigger point is a real trigger point of the mechanical shutter.
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