Anti-shake apparatus
First Claim
1. An anti-shake apparatus of a photographing apparatus, comprising:
- a movable unit that has an imaging device that can be moved and rotated on a plane which is perpendicular to an optical axis of a camera lens of the photographing apparatus; and
a fixed unit that supports said movable unit to be movable and rotatable on said plane;
said movable unit and said fixed unit having a moving apparatus that moves and rotates said movable unit;
a number of points on said movable unit that receive a first force in a first direction by said moving apparatus, being equal to or more than 1, and said first direction being perpendicular to the optical axis;
a number of points on said movable unit that receive a second force in a second direction by said moving apparatus, being equal to or more than 2, and said second direction being perpendicular to the optical axis and to said first direction;
said points on said movable unit that receive said first force in said first direction being on a first line which is parallel to or extends in said second direction; and
said points on said movable unit that receive said second force in said second direction being on a second line which is parallel to or extends in said first directionwherein one of said movable unit and said fixed unit has a coil unit that has one or more coils that move said movable unit in said first direction as said moving apparatus, and has two or more coils that move said movable unit in said second direction as said moving apparatus; and
another of said movable unit and said fixed unit has a driving magnet unit that has said one or more magnets that move said movable unit in said first direction as said moving apparatus, and has said two or more magnets that move said movable unit in said second direction as said moving apparatus, andwherein a coil pattern of said coil that moves said movable unit in said first direction, has a line segment which is parallel to said second direction, before said movable unit is rotated, and a coil pattern of said coil that moves said movable unit in said second direction, has a line segment which is parallel to said first direction, before said movable unit is rotated; and
an N pole and S pole of said magnet that moves said movable unit in said first direction, are arranged in said first direction, and an N pole and S pole of said magnet that moves said movable unit in said second direction, are arranged in said second direction.
3 Assignments
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 and can be moved and rotated on a plane which is perpendicular to an optical axis of a camera lens of the photographing apparatus. The fixed unit supports the movable unit in a movable and rotatable situation on the plane. The movable unit and fixed unit have a moving apparatus that moves and rotates the movable unit. A number of points that receive a first force in a first direction by the moving apparatus, is equal to or more than 1. The first direction is perpendicular to the optical axis. A number of points that receive a second force in a second direction by the moving apparatus, is equal to or more than 2. The second direction is perpendicular to the optical axis and the first direction.
9 Citations
19 Claims
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1. An anti-shake apparatus of a photographing apparatus, comprising:
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a movable unit that has an imaging device that can be moved and rotated on a plane which is perpendicular to an optical axis of a camera lens of the photographing apparatus; and a fixed unit that supports said movable unit to be movable and rotatable on said plane; said movable unit and said fixed unit having a moving apparatus that moves and rotates said movable unit; a number of points on said movable unit that receive a first force in a first direction by said moving apparatus, being equal to or more than 1, and said first direction being perpendicular to the optical axis; a number of points on said movable unit that receive a second force in a second direction by said moving apparatus, being equal to or more than 2, and said second direction being perpendicular to the optical axis and to said first direction; said points on said movable unit that receive said first force in said first direction being on a first line which is parallel to or extends in said second direction; and said points on said movable unit that receive said second force in said second direction being on a second line which is parallel to or extends in said first direction wherein one of said movable unit and said fixed unit has a coil unit that has one or more coils that move said movable unit in said first direction as said moving apparatus, and has two or more coils that move said movable unit in said second direction as said moving apparatus; and another of said movable unit and said fixed unit has a driving magnet unit that has said one or more magnets that move said movable unit in said first direction as said moving apparatus, and has said two or more magnets that move said movable unit in said second direction as said moving apparatus, and wherein a coil pattern of said coil that moves said movable unit in said first direction, has a line segment which is parallel to said second direction, before said movable unit is rotated, and a coil pattern of said coil that moves said movable unit in said second direction, has a line segment which is parallel to said first direction, before said movable unit is rotated; and an N pole and S pole of said magnet that moves said movable unit in said first direction, are arranged in said first direction, and an N pole and S pole of said magnet that moves said movable unit in said second direction, are arranged in said second direction. - View Dependent Claims (2)
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3. An anti-shake apparatus of a photographing apparatus, comprising:
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a movable unit that has an imaging device that can be moved and rotated on a plane which is perpendicular to an optical axis of a camera lens of the photographing apparatus; and a fixed unit that supports said movable unit to be movable and rotatable on said plane; said movable unit and said fixed unit having a moving apparatus that moves and rotates said movable unit; a number of points on said movable unit that receive a first force in a first direction by said moving apparatus, being equal to or more than 1, and said first direction being perpendicular to the optical axis; a number of points on said movable unit that receive a second force in a second direction by said moving apparatus, being equal to or more than 2, and said second direction being perpendicular to the optical axis and to said first direction; said points on said movable unit that receive said first force in said first direction being on a first line which is parallel to or extends in said second direction; and said points on said movable unit that receive said second force in said second direction being on a second line which is parallel to or extends in said first direction; wherein one of said movable unit and said fixed unit has a coil unit that has one or more coils that move said movable unit in said first direction as said moving apparatus, and has two or more coils that move said movable unit in said second direction as said moving apparatus; and another of said movable unit and said fixed unit has a driving magnet unit that has said one or more magnets that move said movable unit in said first direction as said moving apparatus, and has said two or more magnets that move said movable unit in said second direction as said moving apparatus, wherein said coil unit has first and second coils that move said movable unit in said second direction, and a third coil that moves said movable unit in said first direction; and said driving magnet unit has a first driving magnet which faces said first coil, a second driving magnet which faces said second coil, and a third driving magnet which faces said third coil. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10)
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11. An anti-shake apparatus of a photographing apparatus, comprising:
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a movable unit that has an imaging device that can be moved and rotated on a plane which is perpendicular to an optical axis of a camera lens of the photographing apparatus; and a fixed unit that supports said movable unit to be movable and rotatable on said plane; said movable unit and said fixed unit having a moving apparatus that moves and rotates said movable unit; a number of points on said movable unit that receive a first force in a first direction by said moving apparatus, being equal to or more than 1, and said first direction being perpendicular to the optical axis; a number of points on said movable unit that receive a second force in a second direction by said moving apparatus, being equal to or more than 2, and said second direction being perpendicular to the optical axis and to said first direction; said points on said movable unit that receive said first force in said first direction being on a first line which is parallel to or extends in said second direction; and said points on said movable unit that receive said second force in said second direction being on a second line which is parallel to or extends in said first direction, and an urging member that urges said movable unit in a third direction which is parallel to the optical axis with respect to which said movable unit is movable and rotatable on said plane; said movable unit having three or more balls; said fixed unit having three or more ball bearings that contact with said balls; and a number of said balls being the same as a number of said ball bearings. - View Dependent Claims (12, 13)
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14. An anti-shake apparatus of a photographing apparatus, comprising:
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a movable unit that has an imaging device that can be moved and rotated on a plane which is perpendicular to an optical axis of a camera lens of the photographing apparatus; and a fixed unit that supports said movable unit to be movable and rotatable on said plane; said movable unit and said fixed unit having a moving apparatus that moves and rotates said movable unit; a number of points on said movable unit that receive a first force in a first direction by said moving apparatus, being equal to or more than 1, and said first direction being perpendicular to the optical axis; a number of points on said movable unit that receive a second force in a second direction by said moving apparatus, being equal to or more than 2, and said second direction being perpendicular to the optical axis and to said first direction; said points on said movable unit that receive said first force in said first direction being on a first line which is parallel to or extends in said second direction; and said points on said movable unit that receive said second force in said second direction being on a second line which is parallel to or extends in said first direction, wherein said movable unit and said fixed unit have a position-detecting apparatus that detects first position-information in said first direction of said movable unit and second position-information in said second direction of said movable unit; a number of points on said movable unit at which one of said first position-information and said second position-information is detected by said position-detecting apparatus, is equal to or more than 2; and a number of points on said movable unit at which another of said first position-information and said second position-information is detected by said position-detecting apparatus, is equal to or more than 1, wherein one of said movable unit and said fixed unit has a magnetic-field change-detecting unit that has two or more magnetic-field change-detecting elements which are used for detecting one of said first position-information and said second position-information as said position-detecting apparatus, and has one or more magnetic-field change-detecting elements which are used for detecting another of said first position-information and said second position-information as said position-detecting apparatus; another of said movable unit and said fixed unit has a position-detecting magnet unit that has two or more position-detecting magnets which are used for detecting one of said first position-information and said second position-information as said position-detecting apparatus, and has one or more position-detecting magnets which are used for detecting another of said first position-information and said second position-information as said position-detecting apparatus; a number of said magnetic-field change-detecting elements which are used for detecting one of said first position-information and said second position-information is the same as a number of said position-detecting magnets which are used for detecting one of said first position-information and said second position-information; and a number of said magnetic-field change-detecting elements which are used for detecting another of said first position-information and said second position-information is the same as a number of said position-detecting magnets which are used for detecting another of said first position-information and said second position-information. - View Dependent Claims (15, 16)
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17. An anti-shake apparatus of a photographing apparatus, comprising:
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a movable unit that has an imaging device and that can be moved in a first direction which is perpendicular to an optical axis of a camera lens of said photographing apparatus, and can be rotated on a plane which is perpendicular to the optical axis; and a fixed unit that supports said movable unit to be movable in said first direction and rotatable on said plane; said movable unit and said fixed unit having a plurality of moving apparatuses that move said movable unit in said first direction and rotate said movable unit on said plane; and a number of points on said movable unit that receive a force in said first direction by said plurality of moving apparatuses, being equal to or more than 2; said points of said movable unit that receive said force in said first direction being on a line which is parallel to or extends in a second direction; and said second direction being perpendicular to said first direction and the optical axis, further comprising an urging member that urges said movable unit in a further direction which is parallel to said optical axis; said movable unit comprising at least three balls; said fixed unit comprising at least three ball bearings in contact with said balls; and a number of said balls being equal to a number of said ball bearings. - View Dependent Claims (18)
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19. An anti-shake apparatus of a photographic apparatus, comprising;
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a movable unit that includes an imaging device and that can be rotated on a plane which is perpendicular to an optical axis of a camera lens of the photographic apparatus; and a fixed unit that supports said movable unit so as to be rotatable within the plane; said movable unit and said fixed unit having a rotating apparatus that rotates said movable unit within the plane; and a number of points on said movable unit that receive a force in a first direction that is perpendicular to the optical axis, by said moving apparatus, being equal to or more than two; said points of said movable unit that receive said force in said first direction extend along a line which is parallel to or extends in a second direction;
said second direction being perpendicular to said first direction and to the optical axis, andfurther comprising an urging member that urges said movable unit in a further direction which is parallel to the optical axis; said movable unit comprising at least three balls; said fixed unit comprising at least three ball bearings in contact with said three balls; and a number of said balls being equal to a number of said ball bearings.
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Specification