Anti-shake apparatus
First Claim
1. An anti-shake apparatus of a photographing apparatus, comprising:
- a movable unit that has one of an imaging device and a hand-shake correcting lens, and that can be moved in first and second directions, said first direction being perpendicular to an optical axis of a camera lens of said photographing apparatus, and said second direction being perpendicular to said optical axis and said first direction; and
a fixed unit that slidably supports said movable unit in both said first and second directions;
one of said movable unit and said fixed unit having a magnetic-field change-detecting unit;
said magnetic-field change-detecting unit having a horizontal magnetic-field change-detecting element which is used for detecting a position of said movable unit in said first direction as a first location, and a vertical magnetic-field change-detecting element which is used for detecting a position of said movable unit in said second direction as a second location; and
the application of voltage to input terminals of said horizontal magnetic-field change-detecting element and said vertical magnetic-field change-detecting element being performed during a position detecting operation of said movable unit, and being stopped at a time other than the time for said position detecting operation.
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Accused Products
Abstract
An anti-shake apparatus of a photographing apparatus comprises a movable unit and a fixed unit. The movable unit has an imaging device and is movable in first and second directions. The fixed unit slidably supports the movable unit in both the first and second directions. The movable unit has a hall-element unit. The magnetic-field change-detecting unit has a horizontal hall-element which is used for detecting a position of the movable unit in the first direction as a first location, and a vertical hall-element which is used for detecting a position of the movable unit in the second direction as a second location. Application of voltage to input terminals of the horizontal hall-element and the vertical hall-element is performed during a position detecting operation of the movable unit, and is stopped at a time other than that for the position detecting operation.
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Citations
10 Claims
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1. An anti-shake apparatus of a photographing apparatus, comprising:
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a movable unit that has one of an imaging device and a hand-shake correcting lens, and that can be moved in first and second directions, said first direction being perpendicular to an optical axis of a camera lens of said photographing apparatus, and said second direction being perpendicular to said optical axis and said first direction; and
a fixed unit that slidably supports said movable unit in both said first and second directions;
one of said movable unit and said fixed unit having a magnetic-field change-detecting unit;
said magnetic-field change-detecting unit having a horizontal magnetic-field change-detecting element which is used for detecting a position of said movable unit in said first direction as a first location, and a vertical magnetic-field change-detecting element which is used for detecting a position of said movable unit in said second direction as a second location; and
the application of voltage to input terminals of said horizontal magnetic-field change-detecting element and said vertical magnetic-field change-detecting element being performed during a position detecting operation of said movable unit, and being stopped at a time other than the time for said position detecting operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An anti-shake apparatus of a photographing apparatus, comprising:
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a movable unit that has one of an imaging device and a hand-shake correcting lens, and that can be moved on a plane which is perpendicular to an optical axis of a camera lens of said photographing apparatus, and a fixed unit that supports said movable unit so as to be movable on said plane;
one of said movable unit and said fixed unit having a detecting unit which is used for detecting a position of said movable unit on said plane; and
said detecting unit being set to the on state, during a position detecting operation of said movable unit, and being set to the off state at a time other than the time for said position detecting operation.
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Specification