Optical: systems and elements – Image stabilization – By movable refractive structure
Reexamination Certificate
2011-07-05
2011-07-05
Font, Frank G (Department: 2872)
Optical: systems and elements
Image stabilization
By movable refractive structure
C359S814000, C359S824000, C359S837000, C396S055000
Reexamination Certificate
active
07974009
ABSTRACT:
An image fluctuation correcting apparatus rotates a first rotary apex angle prism held in a first prism holding member around a first shaft in a direction for canceling an amount of horizontal fluctuation by electromagnetic force generated between a first drive coil and a first magnet by flowing electric current in the first drive coil. Also, the image fluctuation correcting apparatus rotates a second rotary apex angle prism held in a second prism holding member around a second shaft, which is located 180-degree angle away from the first shaft, in a direction for canceling an amount of vertical fluctuation by electromagnetic force generated between a second drive coil and a second magnet by flowing electric current in the second drive coil.
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Suzuki Tomohiko
Tsubaki Hisanori
Font Frank G
Meyer Jerald L.
The Nath Law Group
Victor Company of Japan , Limited
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