Image stabilization apparatus and optical apparatus

Details Image stabilization apparatus and optical apparatus Image stabilization apparatus and optical apparatus

2007-01-12

2010-02-23

Koval, Melissa J (Department: 2862)

Photography

Camera shake sensing

Having stabilization system

C348S208300

Reexamination Certificate

active

07668447

ABSTRACT:
An image stabilization apparatus is disclosed which maintains image stabilization performance in ordinary use, enables improvement in the behavior of the image in panning, and allow image shake correction operation to be started immediately after the completion of the panning. The apparatus includes a shake sensor, a shake correcting part, a correction value calculator which calculates a first correction value based on an output from the shake sensor, an extractor which extracts a DC component from the output of the shake sensor, and a subtraction amount calculator which calculates a subtraction amount in accordance with the DC component and the first correction value. The apparatus further includes a subtracter which subtracts the subtraction amount from the first correction value to calculate a second correction value, and a controller which controls drive of the shake correcting part based on the second correction value.

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