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 has a position-detecting magnetic-field generating unit, and is movable in a first direction and a second direction; and
a fixed unit that has a magnetic-field change-detecting unit;
said first direction being perpendicular to an optical axis of a camera lens of said photographing apparatus;
said second direction being perpendicular to said optical axis and said first direction;
said position-detecting magnetic-field generating unit being used for detecting a first location in said first direction of said movable unit, and a second location in said second direction of said movable unit, and having a position-detecting coil;
said magnetic-field change-detecting unit having a horizontal magnetic-field change-detecting element which is used for detecting said first location, and having a vertical magnetic-field change-detecting element which is used for detecting said second location; and
said position-detecting coil being magnetized by being electrified only when detecting said first location and said second location, and said position-detecting coil facing said magnetic-field change detecting unit.
1 Assignment
0 Petitions
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, a position-detecting magnetic-field generating unit. The movable-unit can be moved in a first-direction and a second-direction. The fixed-unit has a hall-element unit. The first-direction is perpendicular to an optical axis of a camera-lens of the photographing-apparatus. The second-direction is perpendicular to the optical axis and the first-direction. The position-detecting magnetic-field generating unit is used for detecting a first location in the first-direction of the movable-unit, and a second location in the second-direction of the movable-unit, and has a position-detecting coil. The hall-element unit has a horizontal hall-element which is used for detecting the first location, and has a vertical hall-element which is used for detecting the second location. The position-detecting coil is magnetized by being electrified only when detecting the first location and the second location, and faces the hall-element unit.
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Citations
11 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 has a position-detecting magnetic-field generating unit, and is movable in a first direction and a second direction; and
a fixed unit that has a magnetic-field change-detecting unit;
said first direction being perpendicular to an optical axis of a camera lens of said photographing apparatus;
said second direction being perpendicular to said optical axis and said first direction;
said position-detecting magnetic-field generating unit being used for detecting a first location in said first direction of said movable unit, and a second location in said second direction of said movable unit, and having a position-detecting coil;
said magnetic-field change-detecting unit having a horizontal magnetic-field change-detecting element which is used for detecting said first location, and having a vertical magnetic-field change-detecting element which is used for detecting said second location; and
said position-detecting coil being magnetized by being electrified only when detecting said first location and said second location, and said position-detecting coil facing said magnetic-field change detecting unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification