Device and, method for controlling a focusing operation
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United States of America Patent
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Jan 17, 2017
Grant Date -
Sep 10, 2015
app pub date -
May 21, 2015
filing date -
Nov 22, 2012
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Abstract
An imaging device, includes: an imaging element including imaging pixels and phase difference detecting pixels, a calculating unit which calculates numerical information corresponding to a defocus amount using an image signal obtained by imaging by the phase difference detecting pixels whenever the imaging is performed by the imaging element, a difference calculating unit calculating with respect to at least three times of imaging which is continuously performed, a difference between the numerical information obtained by arbitrary imaging and the numerical information obtained by the imaging which is continuously performed after the arbitrary imaging, and a control unit which moves a focus lens to a focus position using the obtained numerical information when a variance of the obtained differences is smaller than a threshold value and controls a position of the focus lens not to be changed when the variance is equal to or larger than the threshold value.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
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Patent Owner(s)
- FUJIFILM CORPORATION
International Classification(s)
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Iwasaki, Yoichi | Saitama, JP | 40 | 415 |
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