Distance measurement and photometry device, distance measurement and photometry method, and imaging apparatus
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United States of America Patent
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May 28, 2013
Grant Date -
Feb 9, 2012
app pub date -
Jul 29, 2011
filing date -
Aug 5, 2010
priority date (Note) -
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Abstract
A distance measurement and photometry device includes a pair of distance measurement sensors each of which is a two-dimensional image sensor, a photometry sensor, which includes a two-dimensional image sensor, a pair of distance measurement lenses arranged to correspond to the pair of distance measurement sensors, a photometry lens arranged to correspond to the photometry sensor, a photometry process unit that calculates a brightness value of a subject, an exposure state setting unit that sets an exposure state correspond to at least the pair of distance measurement sensors, a distance measurement unit that measures a distance to the subject, wherein the exposure state setting unit alternates an exposure state of at least the pair of distance measurement sensors corresponding to a result of the photometry process unit.
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