# US 12,007,682 B2 · Image stabilization apparatus, lens apparatus, and camera

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- Number: US 12,007,682 B2
- Document ID: US12007682B2
- Status: Granted
- Kind: B2
- Application number: 16/537,783
- Filed: 2019-08-12
- Published: 2020-03-05
- Granted: 2024-06-11
- Earliest claimed: 2018-08-31
- Assignees: Canon Kabushiki Kaisha
- Applicants: Canon Kabushiki Kaisha
- Inventors: Kazuhiro Noguchi; Toma Kitayama
- Web page: https://patentgrep.com/patent/US12007682B2

## CPC

- G03B 5/02: Lateral adjustment of lens
- G02B 7/02: for lenses {(supports for magnifying lenses G02B25/002)}
- G02B 27/646: {compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68)}
- H01F 7/02: Permanent magnets {[PM]}
- H01F 7/081: {Magnetic constructions}
- H01F 7/126: Supporting or mounting
- H01F 7/1646: {Armatures or stationary parts of magnetic circuit having permanent magnet}
- H01F 7/1844: {Monitoring or fail-safe circuits (for relays H01H47/002)}
- H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof
- H04N 23/6812: {based on additional sensors, e.g. acceleration sensors}
- H04N 23/687: {by shifting the lens or sensor position}
- H05K 1/189: characterised by the use of flexible or folded printed circuits
- G03B 2205/0007: Movement of one or more optical elements for control of motion blur
- G03B 2205/0015: by displacing one or more optical elements normal to the optical axis
- G03B 2205/0069: using electromagnetic actuators, e.g. voice coils
- H01F 2007/062: {Details of terminals or connectors for electromagnets}
- H01F 2007/185: {with armature position measurement}
- H05K 2201/10083: Electromechanical or electro-acoustic component, e.g. microphone
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

An image stabilization apparatus includes a movable member configured to hold an image stabilization optical element, a fixed member holding the movable member movably in a direction crossing an optical axis, an electrical element mounted on the movable member, and a flexible sheet member electrically connecting the electric element to the fixed member. The flexible sheet member is fixed to the movable member and the fixed member so that the flexible sheet member is bent between the movable member and the fixed member.

## Claims

### Claim 1

An image stabilization apparatus comprising:
a movable member configured to hold an image stabilization optical element;
a fixed member holding the movable member movably in a direction crossing an optical axis;
an electrical element mounted on the movable member; and
a flexible sheet member electrically connecting the electric element to the fixed member,
wherein the flexible sheet member is bent between the movable member and the fixed member,
wherein the flexible sheet member includes a semicircular flexion portion, a first extending portion extending from the semicircular flexion portion towards the movable member side, and a second extending portion extending from the semicircular flexion portion towards the fixed member side,
wherein the movable member includes a first contacting portion contacting the first extending portion,
wherein the fixed member includes a second contacting portion contacting the second extending portion,
wherein at least one of the first contacting portion and the second contacting portion has a convex shape, the convex shape being formed so that a part of the convex shape contacts the first extending portion or the second extending portion and so that the convex shape is covered by the first extending portion or the second extending portion,
wherein the convex shape is formed along an extending direction of the at least one of the first contacting portion and the second contacting portion,
wherein the extending direction of the at least one of the first contacting portion and the second contacting portion is orthogonal to the optical axis,
wherein the first extending portion and the second extending portion are sandwiched between the movable member and the fixed member and are disposed opposite to each other, and
wherein, in a cross-sectional view orthogonal to the extending direction of the at least one of the first contacting portion and the second contacting portion, the part of the convex shape contacts a central portion of the first extending portion or a central portion of the second extending portion and other parts of the convex shape are spaced apart from edge portions of the first extending portion or the second extending portion.

### Claim 2 (depends on 1)

The image stabilization apparatus according to claim 1, wherein the apparatus is configured such that the first contacting portion and the second contacting portion are parallel to each other.

### Claim 3 (depends on 1)

The image stabilization apparatus according to claim 1, wherein the movable member is permitted to move relative to the fixed member by a positional movement of the semicircular flexion portion and a torsional deformation of the semicircular flexion portion, the first extending portion, and the second extending portion.

### Claim 4 (depends on 1)

The image stabilization apparatus according to claim 1, wherein the convex shape is arc-shaped.

### Claim 5 (depends on 1)

The image stabilization apparatus according to claim 1, wherein the first extending portion is movable relative to the movable member having the convex shape, or the second extending portion is movable relative to the fixed member having the convex shape.

### Claim 6

A lens apparatus comprising:
an imaging optical system; and
an image stabilization apparatus,
wherein the image stabilization apparatus includes:
a movable member holding an image stabilization optical element included in the imaging optical system;
a fixed member holding the movable member movably in a direction crossing an optical axis;
an electrical element mounted on the movable member; and
a flexible sheet member electrically connecting the electric element to the fixed member,
wherein the flexible sheet member is bent between the movable member and the fixed member,
wherein the flexible sheet member includes a semicircular flexion portion, a first extending portion extending from the semicircular flexion portion towards the movable member side, and a second extending portion extending from the semicircular flexion portion towards the fixed member side,
wherein the movable member includes a first contacting portion contacting the first extending portion,
wherein the fixed member includes a second contacting portion contacting the second extending portion,
wherein at least one of the first contacting portion and the second contacting portion has a convex shape, the convex shape being formed so that a part of the convex shape contacts the first extending portion or the second extending portion and so that the convex shape is covered by the first extending portion or the second extending portion,
wherein the convex shape is formed along an extending direction of the at least one of the first contacting portion and the second contacting portion,
wherein the extending direction of the at least one of the first contacting portion and the second contacting portion is orthogonal to the optical axis,
wherein the first extending portion and the second extending portion are sandwiched between the movable member and the fixed member and are disposed opposite to each other, and
wherein, in a cross-sectional view orthogonal to the extending direction of the at least one of the first contacting portion and the second contacting portion, the part of the convex shape contacts a central portion of the first extending portion or a central portion of the second extending portion and other parts of the convex shape are spaced apart from edge portions of the first extending portion or the second extending portion.

### Claim 7

A camera comprising:
a lens apparatus; and
an image sensor configured to receive an image formed by the lens apparatus,
wherein the lens apparatus includes:
an imaging optical system; and
an image stabilization apparatus,
wherein the image stabilization apparatus includes:
a movable member holding an image stabilization optical element included in the imaging optical system;
a fixed member holding the movable member movably in a direction crossing an optical axis;
an electrical element mounted on the movable member; and
a flexible sheet member electrically connecting the electric element to the fixed member,
wherein the flexible sheet member is bent between the movable member and the fixed member,
wherein the flexible sheet member includes a semicircular flexion portion, a first extending portion extending from the semicircular flexion portion towards the movable member side, and a second extending portion extending from the semicircular flexion portion towards the fixed member side,
wherein the movable member includes a first contacting portion contacting the first extending portion,
wherein the fixed member includes a second contacting portion contacting the second extending portion,
wherein at least one of the first contacting portion and the second contacting portion has a convex shape, the convex shape being formed so that a part of the convex shape contacts the first extending portion or the second extending portion and so that the convex shape is covered by the first extending portion or the second extending portion,
wherein the convex shape is formed along an extending direction of the at least one of the first contacting portion and the second contacting portion,
wherein the extending direction of the at least one of the first contacting portion and the second contacting portion is orthogonal to the optical axis,
wherein the first extending portion and the second extending portion are sandwiched between the movable member and the fixed member and are disposed opposite to each other, and
wherein, in a cross-sectional view orthogonal to the extending direction of the at least one of the first contacting portion and the second contacting portion, the part of the convex shape contacts a central portion of the first extending portion or a central portion of the second extending portion and other parts of the convex shape are spaced apart from edge portions of the first extending portion or the second extending portion.