Auto focus detecting device comprising both phase-difference detecting and contrast detecting methods
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United States of America Patent
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Jan 28, 1997
Issued Date -
N/A
app pub date -
Jan 2, 1996
filing date -
Aug 2, 1993
priority date (Note) -
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Abstract
An auto focus detecting device capable of focus detection by a contrast detecting method and a phase-difference detecting method. In accordance with a condition of an object, either one of detecting method is selected, and then an amount of defocus is calculated based on a result obtained by the selected detecting method.
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Family
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Cited Art Landscape
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