Image blur correction apparatus and optical apparatus
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United States of America Patent
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Jul 12, 2016
Grant Date -
Apr 18, 2013
app pub date -
Sep 14, 2012
filing date -
Oct 13, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An image blur correction apparatus includes an shooting state detecting portion that determines a shooting state of a first shooting state or a second shooting state based on an angular velocity signal, and a controller that performs an image blur correction using characteristics depending on a determination result of the shooting state determining portion, and the shooting state determining portion determines that the first shooting state has started when the angular velocity signal exceeds a first threshold value and exceeds a second threshold value having an opposite sign of the first threshold value within a predetermined time after exceeding the first threshold value, and determines that the first shooting state is continuously maintained when the angular velocity signal exceeds a third threshold value and exceeds a fourth threshold value that has an opposite sign of the third threshold value within the predetermined time after exceeding the third threshold value.
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