WO2022138573A1 - レンズ鏡筒および撮像装置 - Google Patents
レンズ鏡筒および撮像装置 Download PDFInfo
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- WO2022138573A1 WO2022138573A1 PCT/JP2021/047060 JP2021047060W WO2022138573A1 WO 2022138573 A1 WO2022138573 A1 WO 2022138573A1 JP 2021047060 W JP2021047060 W JP 2021047060W WO 2022138573 A1 WO2022138573 A1 WO 2022138573A1
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- yoke
- coil
- optical axis
- axis direction
- lens
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- 238000003384 imaging method Methods 0.000 title description 2
- 230000003287 optical effect Effects 0.000 claims abstract description 89
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 4
- 230000003993 interaction Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000004907 flux Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Definitions
- Patent Document 1 As a lens driving device, a lens barrel using a voice coil motor has been proposed (for example, Patent Document 1). It is desired to reduce the size of the voice coil motor.
- the lens barrel has a first yoke and a second yoke having a length in the optical axis direction, and the first yoke and the second yoke having a length in the optical axis direction.
- a coil that can move in the optical axis direction by the magnetic force of the second magnet and a lens holding frame that holds the lens and can move in the optical axis direction integrally with the coil are provided. It has a groove along the optical axis direction.
- the image pickup apparatus includes the lens barrel.
- the configuration of the embodiment described later may be appropriately improved, or at least a part thereof may be replaced with another configuration. Further, the configuration requirements without particular limitation on the arrangement are not limited to the arrangement disclosed in the embodiment, and can be arranged at a position where the function can be achieved.
- FIG. 1 is a diagram showing a camera including a lens barrel according to an embodiment and a camera body.
- FIG. 2A is a perspective view showing the configuration of the voice coil motor
- FIG. 2B is a view of the voice coil motor as viewed from the direction of arrow AR1 in FIG. 2A.
- 3A is a cross-sectional view taken along the line AA of FIG. 1
- FIG. 3B is a diagram in which the coil is not shown in FIG. 3A.
- FIG. 4 is a cross-sectional view taken along the line BB of FIG. 3 (A).
- 5 (A) and 5 (B) are diagrams for explaining the configuration of the lens holding frame according to the comparative example.
- 6 (A) and 6 (B) are diagrams for explaining the movable range of the coil.
- FIG. 7A is a perspective view showing the configuration of the voice coil motor according to the first modification
- FIG. 7B is a view of the voice coil motor as viewed from the direction of arrow AR11 in FIG. 7A. be.
- FIG. 8 is a diagram for explaining a movable range of the coil in the voice coil motor according to the first modification.
- FIG. 9 is a front view showing a schematic configuration of the voice coil motor according to the modified example 2.
- lens barrel 100 according to the embodiment will be described in detail with reference to the drawings. In each figure, some elements may be omitted for ease of understanding.
- FIG. 1 is a diagram showing a camera 1 including a lens barrel 100 and a camera body 101 according to the present embodiment.
- the lens barrel 100 is removable from the camera body 101, but the present invention is not limited to this, and the lens barrel 100 and the camera body 101 may be integrated.
- the camera body 101 includes an image sensor 111, a control unit 112, and the like inside.
- the image pickup device 111 is composed of a photoelectric conversion element such as a CCD (Charge Coupled Device), and converts a subject image imaged by an imaging optical system (lens barrel 100 mounted on the camera body 101) into an electric signal. do.
- CCD Charge Coupled Device
- the control unit 112 includes a CPU (Central Processing Unit) and the like, and collectively controls the operation of the entire camera 1 related to shooting including focusing drive in the camera body 101 and the mounted lens barrel 100.
- CPU Central Processing Unit
- the lens barrel 100 includes a first fixed cylinder 10 and a second fixed cylinder 20 arranged on the inner peripheral side of the first fixed cylinder 10.
- the first fixed cylinder 10 is composed of a plurality of parts, but may be composed of one part.
- a lens mount LM that allows the lens barrel 100 to be attached to and detached from the camera body 101 is fixed to the first fixed cylinder 10.
- the lens barrel 100 includes a plurality of lenses L1 to L4 sequentially arranged along a common optical axis OA.
- the lens L3 is held by the lens holding frame F3, and the other lenses are held by the second fixed cylinder 20.
- Each of the lenses L1 to L4 may be composed of a plurality of lenses.
- the lens L3 is a focus lens and is moved in the optical axis direction to adjust the focus.
- the lens L3 is provided so as to be moved in the optical axis direction by a voice coil motor (VCM: Voice Coil Motor) 30 arranged inside the lens barrel 100.
- VCM Voice Coil Motor
- the lens holding frame F3 includes an engaging portion 116 projecting in a direction intersecting the optical axis OA.
- the engaging portion 116 engages with the straight groove 22 of the second fixed cylinder 20.
- the straight groove 22 extends in the optical axis direction, whereby the rotation of the lens holding frame F3 about the optical axis OA is restricted, and the lens holding frame F3 is guided by the straight groove 22 to the optical axis. Move straight in the direction.
- the lens holding frame F3 may be guided in the optical axis direction by a guide bar extending in the optical axis direction instead of the straight groove 22.
- the VCM 30 is driven by the drive device 113.
- the drive device 113 controls the focusing drive of the lens L3 under the control of the control unit 112 of the camera body 101.
- the drive device 113 is the position information of the lens L3 input from a position detection mechanism (not shown) such as an optical encoder or a magnetic encoder, and the lens L3 input from the control unit 112 of the camera body 101.
- a drive signal of the VCM 30 is generated based on the target position information and output to the VCM 30.
- the VCM30 drives the lens L3 in a straight line in the optical axis direction by a drive signal.
- the lens holding frame F3 is connected to the coil 35 included in the VCM 30.
- the coil 35 of the VCM 30 does not have a holding force to maintain the position, and therefore moves freely. Therefore, when the lens barrel 100 is turned upward or downward, the coil 35 moves due to the weight of the lens holding frame F3 and the lens L3, the lens holding frame F3 collides with the second fixed cylinder 20, and an impact sound is generated. There is a risk. Therefore, as shown in FIG. 1, a cushion material 40 is provided at a portion of the second fixed cylinder 20 that overlaps with the lens holding frame F3 in the optical axis direction. As a result, the lens holding frame F3 collides with the cushion material 40, so that the impact is alleviated and the impact sound is suppressed.
- the control unit 112 in the camera body 101 is driven.
- the focusing drive of the lens barrel 100 is controlled via the device 113.
- the image sensor 111 converts the subject image light imaged by the lens barrel 100 into an electric signal, and records (that is, shoots) the image data in a memory (that is, not shown) included in the camera body 101.
- FIG. 2A is a perspective view showing the configuration of the VCM30
- FIG. 2B is a view of the VCM30 as viewed from the direction of arrow AR1 in FIG. 2A
- 3 (A) is a cross-sectional view taken along the line AA of FIG. 1
- FIG. 3 (B) is a diagram in which the coil 35 is not shown in FIG. 3 (A).
- the VCM 30 has a first side yoke 31a and a second side yoke 31b having a length in the optical axis direction and a length in the optical axis direction.
- the center yoke 32 is provided between the first side yoke 31a and the second side yoke 31b.
- the center yoke 32 has a groove 322 along the optical axis direction.
- the center yoke 32 has a groove 322 on the side where the lens 3 is arranged. In other words, the groove 322 opens toward the lens L3.
- the VCM 30 has an upper yoke 34a connecting one ends of the first side yoke 31a, the second side yoke 31b, and the center yoke 32 in the optical axis direction, a first side yoke 31a, a second side yoke 31b, and a center yoke.
- a lower yoke 34b connecting the other end of the 32 in the optical axis direction is provided. As a result, a closed magnetic path is formed.
- the first magnet 33a is arranged on the side surface of the first side yoke 31a on the center yoke 32 side
- the second magnet 33b is arranged on the side surface of the second side yoke 31b on the center yoke 32 side.
- the first magnet 33a is arranged so that the center yoke 32 side is the north pole
- the second magnet 33b is also arranged so that the center yoke 32 side is the north pole.
- the magnetic flux enters the center yoke 32 from the north pole of the first magnet 33a and the second magnet 33b, passes through the upper yoke 34a and the lower yoke 34b, the first side yoke 31a and the second side yoke 31b, and then the first magnet.
- a magnetic path is formed to return to the S poles of 33a and the second magnet 33b, respectively.
- the VCM 30 includes a coil 35 penetrated through the center yoke 32.
- the coil 35 of the VCM 30 in the present embodiment has a substantially D shape.
- the winding start SP of the coil 35 faces the groove 322 of the center yoke 32.
- the conductive wire extending from the winding start SP of the coil 35 can be pulled out to the outside of the coil 35 without being sandwiched between the coil 35 and the center yoke 32.
- the conductive wire drawn from the coil 35 (the conductive wire extending from the start of winding and the conductive wire extending from the end of winding) is connected to a substrate (for example, FPC (Flexible Printed Circuits)) attached to the lens holding frame F3.
- the holding frame F3 and the coil 35 move integrally.
- the conductive wire drawn from the coil 35 is steadily moved as the coil 35 moves. It is possible to prevent the conductive wire from being cut due to a load applied to the conductive wire due to being pulled or pulled.
- a drive signal (current) is input to the coil 35 from the drive device 113 (see FIG. 1) provided in the lens barrel 100.
- the coil 35 moves in the optical axis direction due to the magnetic force of the first magnet 33a and the second magnet 33b. More specifically, the coil 35 moves in the optical axis direction due to the electromagnetic interaction between the coil 35 through which the current flows and the first magnet 33a and the second magnet 33b.
- the direction of the current flowing through the coil 35 By changing the direction of the current flowing through the coil 35, the moving direction of the coil 35 can be switched between the subject side and the camera body 101 side. Further, by changing the value of the current flowing through the coil 35, the driving force and the moving speed of the coil 35 can be changed.
- FIG. 4 is a cross-sectional view taken along the line BB of FIG. 3 (A).
- the lens holding frame F3 has a first portion 51 located inside the coil 35 and a first portion 51 located outside the coil 35. It is provided with a second portion 52 that sandwiches the coil 35 between the and.
- the first portion 51 is arranged in the groove 322 of the center yoke 32 and is movable in the optical axis direction. Since the center yoke 32 has the groove 322, even if the first portion 51 is arranged inside the coil 35, the first portion 51 can move without mechanically interfering with the center yoke 32.
- the first portion 51 is in contact with the inner peripheral surface of the coil 35. Since the coil 35 generally starts winding from the inside, the outside bulges. Therefore, if the outer peripheral surface of the coil 35 and the lens holding frame F3 are positioned so as to be in contact with each other during assembly, the coil 35 and the lens holding frame F3 may not be accurately positioned. On the other hand, the inner peripheral surface of the coil 35 is less likely to swell than the outer peripheral surface, and has high accuracy. Therefore, in the present embodiment, the first portion 51 located inside the coil 35 is brought into contact with the inner peripheral surface of the coil 35.
- the positional relationship between the coil 35 and the lens holding frame F3 can be accurately arranged as compared with the case where the outer peripheral surface of the coil 35 is used.
- the lens holding frame F3 and the coil 35 have a gap G (see FIG. 4) between the second portion 52 and the coil 35 in a state where the first portion 51 is in contact with the inner peripheral surface of the coil 35. It can be connected by filling it with an adhesive.
- the first portion 51 and the second portion 52 are connected by a connecting portion 53.
- the connecting portion 53 connecting the first portion 51 and the second portion 52 is located on one end side of the lens holding frame F3 in the optical axis direction. As a result, the movable range of the coil 35 in the optical axis direction can be lengthened. This point will be further described.
- FIG. 5 (A) and 5 (B) are cross-sectional views showing a lens holding frame F3'according to a comparative example.
- connecting portions 53a and 53b connecting the first portion 51'and the second portion 52 are provided at both ends of the lens holding frame F3'in the optical axis direction.
- FIG. 5B the first portion 51a and the second portion 52 are connected by the connecting portion 53a on one end side of the lens holding frame F3'in the optical axis direction, and the first portion 51b and the second portion are connected on the other end side.
- the portion 52 is connected to the connecting portion 53b.
- the coil 35 moves between the upper yoke 34a and the lower yoke 34b in the optical axis direction, but in the comparative example, the coil 35 is connected before the end surface of the coil 35 in the optical axis direction contacts the upper yoke 34a or the lower yoke 34b.
- the portions 53a and 53b come into contact with each other. Therefore, in the comparative example, as shown in FIG. 6A, the movable range of the coil 35 is the optical axis direction of the connecting portions 53a and 53b from the distance between the upper yoke 34a and the lower yoke 34b in the optical axis direction. It is a range excluding the thickness t of.
- connection portion 53 is provided on one end side of the lens holding frame F3 in the optical axis direction, and is not provided on the other end side. Therefore, as shown in FIG. 6B, the movable range of the coil 35 can be made longer by the thickness of the connecting portion 53a in the optical axis direction than in the comparative example in which the connecting portions 53a and 53b are provided at both ends.
- the length L11 of the first portion 51 in the optical axis direction is substantially the same as the length of the coil 35 in the optical axis direction.
- the length L11 of the first portion 51 in the optical axis direction is shorter than the length of the coil 35 in the optical axis direction. That is, the first portion 51 does not protrude from the coil 35 in the optical axis direction. This prevents the first portion 51 from coming into contact with the upper yoke 34a or the lower yoke 34b before the coil 35, so that the movable range of the coil 35 can be prevented from being narrowed.
- the lens barrel 100 has a length in the optical axis direction with the first side yoke 31a and the second side yoke 31b having a length in the optical axis direction.
- a center yoke 32 arranged between the first side yoke 31a and the second side yoke 31b, a first magnet 33a arranged on the first side yoke 31a, and a second magnet arranged on the second side yoke 31b.
- the center yoke 32 It holds the two magnets 33b, the coil 35 that is penetrated through the center yoke 32 and can move in the optical axis direction by the magnetic force of the first magnet 33a and the second magnet 33b, and the lens L3, and is integrated with the coil 35 in the optical axis direction.
- a movable lens holding frame F3 is provided, and the center yoke 32 has a groove 322 along the optical axis direction. Since the groove 322 is provided, even if the first portion 51 for connecting the coil 35 and the lens holding frame F3 is arranged inside the coil 35, the first portion 51 does not mechanically interfere with the center yoke 32.
- the center yoke 32 has a groove 322 on the side where the lens L3 is arranged.
- the first portion 51 for connecting the coil 35 and the lens holding frame F3 can be arranged near the lens holding frame F3, so that the lens holding frame F3 can be stably connected to the coil 35.
- the lens holding frame F3 is located between the first portion 51 located inside the coil 35 and the second portion 52 located outside the coil 35 and sandwiching the coil 35 between the first portion 51.
- the first portion 51 is arranged in the groove 322 and is movable in the optical axis direction along the groove 322. Since the first portion 51 for connecting the coil 35 and the lens holding frame F3 is arranged in the groove 322, the distance between the center yoke 32 and the lens L3 in the radial direction of the lens L3 can be shortened, and the lens barrel.
- the diameter of 100 can be reduced. As a result, the lens barrel 100 can be miniaturized.
- the first portion 51 abuts on the inner peripheral surface of the coil 35. Since the coil 35 winds the winding from the inside, the winding overlaps on the outside and the coil 35 swells. Therefore, the coil 35 can be accurately installed at the designated position by bringing the first portion 51 into contact with the highly accurate inner peripheral surface of the coil 35.
- the lens holding frame F3 has a connecting portion 53 connecting the first portion 51 and the second portion 52, and the connecting portion 53 is located at one end side of the lens holding frame F3 in the optical axis direction. To position. Further, the other end side of the lens holding frame F3 in the optical axis direction does not have the connecting portion 53. As a result, the movable range of the coil 35 in the optical axis direction can be lengthened as compared with the case where the connection portion 53 is located at both ends of the lens holding frame F3 in the optical axis direction. That is, the amount of movement of the lens L3 moved by the VCM 30 in the optical axis direction can be lengthened.
- the length of the first portion 51 in the optical axis direction is shorter than the length of the coil 35 in the optical axis direction. This prevents the first portion 51 from coming into contact with the upper yoke 34a or the lower yoke 34b before the coil 35, so that the length of the first portion 51 in the optical axis direction is longer than that of the coil 35. Therefore, the movable range of the coil 35 in the optical axis direction can be lengthened.
- the winding start SP of the coil 35 faces the groove 322.
- the conductive wire extending from the winding start SP of the coil 35 can be pulled out to the outside of the coil 35 without being sandwiched between the coil 35 and the center yoke 32.
- the conductive wire drawn from the coil 35 is connected to the substrate attached to the lens holding frame F3. As a result, it is possible to prevent the conductive wire (wiring) from being loosened or pulled due to the movement of the coil 35, and the conductive wire is loaded and cut.
- the center yoke 32 has a groove 322 on the side where the lens L3 is arranged, but the groove 322 may be provided at another position.
- the center yoke 32 may have a groove 322 on the side where the first fixed cylinder 10 is arranged, or on the side where the first side yoke 31a or the second side yoke 31b is arranged. You may.
- the connecting portion 53 may be an annular shape surrounding the periphery of the center yoke 32.
- FIG. 7 (A) is a perspective view of the VCM 30A according to the first modification
- FIG. 7 (B) is a view of the VCM 30A seen from the direction of arrow AR11 in FIG. 7 (A).
- FIG. 8 is a diagram for explaining the movable range of the coil 35 in the VCM 30A according to the first modification.
- the upper yoke 34a has a recess 342a continuous with the groove 322 of the center yoke 32
- the lower yoke 34b has a recess 342b continuous with the groove 322 of the center yoke 32.
- the length of the first portion 51 of the lens holding frame F3 in the optical axis direction is made longer than that of the coil 35, and the first portion 51 is above the coil 35. It protrudes toward the yoke 34a. Since other configurations are the same as those of the VCM 30 according to the embodiment, detailed description thereof will be omitted.
- the upper yoke 34a has a recess 342a continuous with the groove 322
- contact between the first portion 51 and the upper yoke 34a is avoided, and until the end surface of the coil 35 on the upper yoke 34a side contacts the upper yoke 34a.
- the coil 35 is movable along the center yoke 32.
- the lower yoke 34b has a recess 342b continuous with the groove 322 of the center yoke 32, contact between the connection portion 53 and the lower yoke 34b is avoided, and the end surface of the coil 35 on the lower yoke 34b side contacts the lower yoke 34b.
- the movable range of the coil 35 can be lengthened.
- the upper yoke 34a and the lower yoke 34b have recesses 342a and 342b, respectively, but at least one of the yokes may have a recess continuous with the groove 322. If the recesses 342a and 342b can prevent the first portion 51 and the connecting portion 53 from coming into contact with the upper yoke 34a or the lower yoke 34b before the coil 35, the upper yoke 34a and the lower yoke 34b may be formed in the optical axis direction. It does not have to penetrate.
- FIG. 9 is a front view showing the configuration of the VCM 30B according to the modified example 2.
- grooves 322 are not formed at both ends of the center yoke 32B in the optical axis direction. Since other configurations are the same as those of VCM30, detailed description thereof will be omitted.
- the magnetic flux from the first and second magnets 33a and 33b arranged in the first and second side yokes 31a and 31b is generated. Concentrate on one center yoke 32B. In this case, the magnetic flux density becomes high at both ends of the center yoke 32B in the optical axis direction, and there may be a portion where the magnetic flux becomes difficult to flow, so that a desired driving force may not be obtained.
- the grooves 322 are not formed at both ends of the center yoke 32B in the optical axis direction.
- the cross-sectional area of the end portion of the center yoke 32B in the optical axis direction becomes larger than the cross-sectional area of the central portion in the optical axis direction.
- the magnetic flux easily flows at both ends of the center yoke 32B in the optical axis direction, and the groove 322 is also formed at both ends in the optical axis direction.
- the driving force of the VCM 30B can be increased.
- the coil 35 has a substantially D shape in the above-described embodiment and modification, the coil 35 is not limited to this.
- the coil 35 may have a circular shape.
- the center yokes 32 and 32B may be a cylinder having a groove 322 along the optical axis direction.
- the material of the center yoke 32 is different from the material of the first side yoke 31a and the second side yoke 31b, but may be the same as the material of the first side yoke 31a and the second side yoke 31b. And may be different.
- the material of the center yoke 32 is preferably a material having a higher saturation magnetic flux density than the materials of the first side yoke 31a and the second side yoke 31b. As a result, the flow of magnetic flux in the center yoke 32 can be improved, and the driving force of the VCM 30 can be improved.
- the second fixed cylinder 20 for accommodating the lens holding frame F3 may be a moving cylinder capable of moving straight in the optical axis direction.
- the lens barrel 100 may be a single focus lens or a zoom lens.
- VCM30, 30A and 30B may be used in addition to the lens barrel.
Abstract
Description
図7(A)は、変形例1に係るVCM30Aの斜視図であり、図7(B)は、図7(A)において矢印AR11の方向からVCM30Aを見た図である。図8は、変形例1に係るVCM30Aにおけるコイル35の移動可能範囲を説明するための図である。
図9は、変形例2に係るVCM30Bの構成を示す正面図である。VCM30Bでは、センターヨーク32Bの光軸方向における両端部には、溝322が形成されていない。その他の構成は、VCM30と同様であるため、詳細な説明を省略する。
30,30A,30B ボイスコイルモータ
31a 第1サイドヨーク
31b 第2サイドヨーク
32,32B センターヨーク
33a 第1磁石
33b 第2磁石
34a 上ヨーク
34b 下ヨーク
35 コイル
51 第1部分
52 第2部分
53 接続部
100 レンズ鏡筒
101 カメラ本体
322 溝
342a,342b 凹部
L3 レンズ
F3 レンズ保持枠
Claims (12)
- 光軸方向に長さを有する第1ヨーク及び第2ヨークと、
前記光軸方向に長さを有し、前記第1ヨーク及び前記第2ヨークの間に配置される第3ヨークと、
前記第1ヨークに配置される第1磁石と、
前記第2ヨークに配置される第2磁石と、
前記第3ヨークに貫通され、前記第1磁石および前記第2磁石の磁力により前記光軸方向に移動可能なコイルと、
レンズを保持し、前記コイルと一体で前記光軸方向に移動可能なレンズ保持枠と、
を備え、
前記第3ヨークは、前記光軸方向に沿った溝を有する、
レンズ鏡筒。 - 前記第3ヨークは、前記レンズが配置される側に前記溝を有する、
請求項1に記載のレンズ鏡筒。 - 前記レンズ保持枠は、前記コイルの内側に位置する第1部分と、前記コイルの外側に位置し、前記第1部分との間で前記コイルを挟む第2部分とを備え、
前記第1部分は、前記溝の中に配置され、前記溝に沿って前記光軸方向に移動可能である、
請求項1または請求項2に記載のレンズ鏡筒。 - 前記第1部分は、前記コイルの内周面と当接する、
請求項3に記載のレンズ鏡筒。 - 前記レンズ保持枠は、前記第1部分と前記第2部分とを接続する接続部を有し、
前記接続部は、前記レンズ保持枠の前記光軸方向における一端側に位置する、
請求項3または請求項4に記載のレンズ鏡筒。 - 前記レンズ保持枠の前記光軸方向における他端側は、前記接続部を有さない、
請求項5に記載のレンズ鏡筒。 - 前記第1部分の前記光軸方向における長さは、前記コイルの前記光軸方向における長さより短い、
請求項3から請求項6のいずれか1項に記載のレンズ鏡筒。 - 前記コイルの巻き始めは、前記溝と対向する、
請求項1から請求項7のいずれか1項に記載のレンズ鏡筒。 - 前記コイルから引き出された導電線は、前記レンズ保持枠に取り付けられた基板に接続される、
請求項1から請求項8のいずれか1項記載のレンズ鏡筒。 - 前記第3ヨークは、前記光軸方向における両端部には、前記溝を有さない、
請求項1から請求項9のいずれか1項に記載のレンズ鏡筒。 - 前記第1ヨーク、前記第2ヨーク、および前記第3ヨークの前記光軸方向における一端を接続する第4ヨークと、
前記第1ヨーク、前記第2ヨーク、および前記第3ヨークの前記光軸方向における他端を接続する第5ヨークと、
を備え、
前記第4ヨークおよび前記第5ヨークの少なくとも一方は、前記溝と連続する凹部を備える、
請求項1から請求項9のいずれか1項記載のレンズ鏡筒。 - 請求項1から請求項11のいずれか1項記載のレンズ鏡筒を備える撮像装置。
Priority Applications (2)
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JP2022571455A JPWO2022138573A1 (ja) | 2020-12-25 | 2021-12-20 | |
CN202180085709.4A CN116745672A (zh) | 2020-12-25 | 2021-12-20 | 镜头镜筒和拍摄装置 |
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JP2020-217240 | 2020-12-25 | ||
JP2020217240 | 2020-12-25 |
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WO2022138573A1 true WO2022138573A1 (ja) | 2022-06-30 |
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PCT/JP2021/047060 WO2022138573A1 (ja) | 2020-12-25 | 2021-12-20 | レンズ鏡筒および撮像装置 |
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JP (1) | JPWO2022138573A1 (ja) |
CN (1) | CN116745672A (ja) |
WO (1) | WO2022138573A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534562A (ja) * | 1991-07-26 | 1993-02-12 | Canon Inc | レンズの駆動装置 |
JP2006146133A (ja) * | 2004-10-18 | 2006-06-08 | Mitsubishi Electric Corp | レンズ駆動装置、撮像装置、撮像機器及びレンズ位置の調整方法 |
JP2008281820A (ja) * | 2007-05-11 | 2008-11-20 | Nidec Sankyo Corp | レンズ駆動装置 |
JP2020064284A (ja) * | 2018-10-12 | 2020-04-23 | パナソニックIpマネジメント株式会社 | レンズ鏡筒 |
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2021
- 2021-12-20 JP JP2022571455A patent/JPWO2022138573A1/ja active Pending
- 2021-12-20 CN CN202180085709.4A patent/CN116745672A/zh active Pending
- 2021-12-20 WO PCT/JP2021/047060 patent/WO2022138573A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534562A (ja) * | 1991-07-26 | 1993-02-12 | Canon Inc | レンズの駆動装置 |
JP2006146133A (ja) * | 2004-10-18 | 2006-06-08 | Mitsubishi Electric Corp | レンズ駆動装置、撮像装置、撮像機器及びレンズ位置の調整方法 |
JP2008281820A (ja) * | 2007-05-11 | 2008-11-20 | Nidec Sankyo Corp | レンズ駆動装置 |
JP2020064284A (ja) * | 2018-10-12 | 2020-04-23 | パナソニックIpマネジメント株式会社 | レンズ鏡筒 |
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CN116745672A (zh) | 2023-09-12 |
JPWO2022138573A1 (ja) | 2022-06-30 |
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