WO2014013855A1 - Appareil électronique, barillet de lentille, et dispositif d'imagerie - Google Patents

Appareil électronique, barillet de lentille, et dispositif d'imagerie Download PDF

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Publication number
WO2014013855A1
WO2014013855A1 PCT/JP2013/067910 JP2013067910W WO2014013855A1 WO 2014013855 A1 WO2014013855 A1 WO 2014013855A1 JP 2013067910 W JP2013067910 W JP 2013067910W WO 2014013855 A1 WO2014013855 A1 WO 2014013855A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens barrel
inductor
camera
mount
electronic
Prior art date
Application number
PCT/JP2013/067910
Other languages
English (en)
Japanese (ja)
Inventor
藤原　誠
Original Assignee
株式会社ニコン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ニコン filed Critical 株式会社ニコン
Publication of WO2014013855A1 publication Critical patent/WO2014013855A1/fr

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Classifications

    • 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
    • G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

Definitions

  • the present invention relates to an electronic device, a lens barrel, and an imaging device.
  • an electronic device equipped with an image sensor has covered the entire substrate of the electronic component with a shield case in order to prevent the influence of noise received by the image sensor due to electromagnetic waves generated from the mounted electronic component (for example, Patent Document 1). .
  • a shield case in order to prevent the influence of noise received by the image sensor due to electromagnetic waves generated from the mounted electronic component.
  • An object of the present invention is to provide an electronic device, a lens barrel, and an imaging device that can block electromagnetic waves generated from electronic components in a narrow space.
  • an electrical component a metal portion that is disposed at a position facing the electrical component, is formed from metal, and a resin portion that is formed from resin.
  • the electronic apparatus may include a second member that is disposed between the resin portion of the first member and the electrical component and blocks electromagnetic waves.
  • the first member may be disposed between the electrical component and a detection unit that detects a signal.
  • a lens barrel attached to the imaging apparatus comprising any electronic device from the first invention to the third invention, wherein the first member is the imaging device.
  • an imaging device comprising a lens barrel of the second aspect.
  • an imaging device including the electronic device according to the first aspect, wherein the detection unit is an imaging element that is provided in the imaging device and captures a subject image. It is an imaging device.
  • electromagnetic waves generated from electronic components can be blocked even in a narrow space.
  • FIG. 1 It is the schematic explaining the structure of the camera 1 of embodiment. It is a perspective view of the mount part of the lens-barrel 10 of embodiment. 6 is a schematic diagram illustrating a configuration of a camera 201 of Comparative Example 1. FIG. It is the schematic explaining the structure of the camera 301 of the comparative example 2. FIG.
  • FIG. 1 is a schematic diagram illustrating a configuration of a camera 1 according to the embodiment.
  • FIG. 2 is a perspective view of a mount portion of the lens barrel 10 of the embodiment.
  • the front-rear direction of the camera 1 is the X direction
  • the left-right direction is the Y direction
  • the vertical direction is the Z direction.
  • the camera 1 includes a camera housing 2 having an image sensor 3 (detection unit) and a lens barrel 10, and can capture not only a still image of a subject but also a moving image. It is.
  • the camera 1 detachably fixes the lens barrel 10 to the camera housing 2 by bayonet coupling.
  • the lens barrel 10 is an interchangeable lens that can be attached to and detached from the camera housing 2.
  • the lens barrel 10 includes a mount portion 11, a mount-side cover 12 (first member), an electronic substrate 13, a shielding plate 14 (second member), a terminal portion 15, and the like.
  • the mount portion 11 is a portion that couples the lens barrel 10 to the camera housing 2.
  • the mount portion 11 is composed of three claw members as shown in FIGS. 1 and 2, and the claw member is a camera housing.
  • the lens barrel 10 is attached to the camera housing 2 by fitting with the attachment portion 5 of the body 2.
  • the mount-side cover 12 is a cover member that covers the camera casing 2 side (X2 side) of the lens barrel 10.
  • the mount side cover 12 is provided to protect the electronic substrate 13 and the like disposed inside the housing of the lens barrel 10.
  • the mount side cover 12 includes a cylindrical portion 121 and a flat plate portion 122, and the cylindrical portion 121 and the flat plate portion 122 are joined together by an adhesive or the like.
  • the cylindrical portion 121 is a cylindrical member that surrounds a portion through which subject light incident from the lens (not shown) of the lens barrel 10 toward the imaging device 3 passes.
  • the cylinder part 121 is formed from metal (for example, aluminum, iron, etc.).
  • the cylindrical portion 121 is disposed at a position facing a side portion (Z2 side) of an inductor 13a (described later) mounted on the electronic substrate 13.
  • the cylindrical portion 121 is provided with a light shielding portion 121a including a plurality of grooves on the inner peripheral surface thereof, and reduces reflection of the subject light incident on the lens barrel 10 on the inner peripheral surface of the cylindrical portion 121, thereby reflecting The phenomenon that the reflected light is reflected in an image taken as light of a polygon or the like, that is, the so-called ghost is suppressed.
  • the flat plate portion 122 is a flat plate-like member that covers the back side (X1 side) of the lens barrel 10.
  • the flat plate portion 122 is formed by resin molding because a plurality of protrusions such as a protection portion 122a that protects the terminal portion 15 are provided on the back side (X1 side).
  • the flat plate portion 122 is disposed between the imaging device 3 of the camera 1 and the inductor 13 a provided on the electronic substrate 13 of the lens barrel 10.
  • the electronic board 13 is a circuit that supplies power supplied from the camera housing 2 side via the terminal portion 15 to a blur correction mechanism (not shown) provided in the lens barrel 10, an AF (autofocus) mechanism, or the like. is there.
  • the electronic board 13 is mounted with an inductor 13a and the like in order to stabilize the power supplied from the camera housing 2 side.
  • the inductor 13a mounted on the electronic substrate 13 is formed of a coil, it generates electromagnetic waves when electric power is supplied from the camera housing 2 side.
  • the shielding plate 14 is a plate-like member having a characteristic of shielding electromagnetic waves.
  • the shielding plate 14 can be made of a material that reflects or absorbs electromagnetic waves. For example, when reflecting electromagnetic waves, aluminum or iron is used, and when absorbing electromagnetic waves, permalloy is used. Can do.
  • the shielding plate 14 is disposed between the imaging device 3 of the camera housing 2 and the inductor 13 a of the electronic substrate 13. More specifically, the shielding plate 14 is disposed in a gap between the inductor 13a and the flat plate portion 122 of the mount side cover 12 so as to cover the rear portion (X1 side) of the inductor 13a.
  • the terminal unit 15 inputs power supplied from the camera housing 2, a signal output from a control unit (not shown) of the camera 1, or outputs a signal of the lens barrel 10 to the camera housing 2. It is a contact type contact.
  • the terminal portion 15 comes into contact with a terminal portion (not shown) on the camera housing 2 side when the lens barrel 10 is attached to the camera housing 2.
  • FIG. 3 is a schematic diagram illustrating the configuration of the camera 201 of the first comparative example.
  • FIG. 4 is a schematic diagram illustrating the configuration of the camera 301 of the second comparative example.
  • the camera 201 of the comparative example 1 is different from the camera 1 of the present embodiment in that the lens barrel 210 is not provided with a shielding plate and the entire mount side cover 212 is made of resin.
  • the lens barrel 210 generates electromagnetic waves from the inductor 213 a of the electronic substrate 213 when power is supplied from the camera housing 202.
  • a part M1 of the generated electromagnetic wave passes through the mount side cover 212 from the rear part (X1 side) of the inductor 213a and travels toward the image sensor 3 as shown in FIG. Further, a part M2 of other electromagnetic waves passes through the mount-side cover 212 from the side portion (Z2 side) of the inductor 213a and travels toward the image sensor 3. For this reason, in the camera 201 of Comparative Example 1, the quality of the captured subject image may be deteriorated by the electrical noise caused by the influence of these electromagnetic waves on the image sensor 203.
  • the camera 301 of the comparative example 2 includes the shielding plate 314 in the lens barrel 310, but is different from the camera 1 of the present embodiment in that the entire mount side cover 312 is formed of resin.
  • the electromagnetic wave generated from the rear part (X1 side) of the inductor 313a is shielded by the shielding plate 314, but a part M3 of the electromagnetic wave generated from the side part (Z2 side) of the inductor 313a is resin.
  • the mount side cover 312 formed by the above the image sensor 303 is reached. Therefore, in the camera 301 of the comparative example 2, the imaging element 303 is affected by this electromagnetic wave, and although the influence is smaller than the case of the camera 201 of the comparative example 1, the quality of the captured subject image may be deteriorated. .
  • the shielding plate 14 is disposed at the rear part (X1 side) of the inductor 13a, and the side part (Z2 side) of the inductor 13a. Further, the cylindrical portion 121 of the mount side cover 12 formed of metal is disposed. Therefore, an electromagnetic wave directed from the rear part (X1 side) of the inductor 13a toward the image sensor 3 is shielded by the shielding plate 14, and an electromagnetic wave directed from the side part (Z2 side) of the inductor 13a to the image sensor 3 is formed of metal.
  • the mount side cover 12 is shielded by the cylindrical portion 121.
  • the lens barrel 10 and the camera 1 of the present embodiment have the following effects.
  • the lens barrel 10 includes a mount-side cover 12 disposed at a position facing the inductor 13a, and the mount-side cover 12 includes a cylindrical portion 121 formed of metal and a flat plate portion 122 formed of resin.
  • the cylindrical portion 121 of the mount side cover 12 can block electromagnetic waves generated from the side portion (Z2 side) of the inductor 13a.
  • photographed with the image pick-up element 3 of the camera 1 can be suppressed under the influence of the electromagnetic waves which generate
  • the cylindrical portion 121 that is a part of the mount-side cover 12 is made of metal, the electromagnetic wave is shielded. Therefore, even when the space around the inductor 13a is very narrow, the electromagnetic wave is efficiently blocked. can do.
  • the mount-side cover 12 has a complicated shape, the flat plate portion 122 that is difficult to be metal-worked is formed by resin molding, and only the cylindrical portion 121 that is easy to metal-work is formed by metal cutting or the like. Therefore, the mount side cover 12 can be manufactured easily and inexpensively. If the entire mount-side cover 12 is made of metal, high-precision metal processing is required for processing the flat plate portion 122, which greatly increases the manufacturing time and manufacturing cost. The lens barrel 10 can avoid such a problem.
  • the lens barrel 10 Since the lens barrel 10 has the shielding plate 14 for blocking electromagnetic waves disposed between the flat plate portion 122 of the mount side cover 12 and the inductor 13a, the lens barrel 10 is generated from the rear portion (X1 side) of the inductor 13a. In addition, the electromagnetic wave transmitted through the flat plate portion 122 can be blocked. Thereby, the lens barrel 10 can block the electromagnetic wave generated from the inductor 13a and directed to the image pickup device 3 by the shielding plate 14 and the tube portion 121 of the mount side cover 12, and the image pickup device 3 of the camera 1 can be blocked. Can shoot a subject image with high accuracy.
  • the example of the image sensor has been described as the detection unit that is affected by the electromagnetic wave, but is not limited thereto.
  • it can also be used as a countermeasure against electromagnetic waves, such as a gyro sensor of a shake correction unit built in a camera or an MR sensor for detecting a lens position.
  • the cylindrical portion 121 and the shielding plate 14 of the mount side cover 12 may be grounded. By doing so, the electromagnetic wave shielding effect can be further improved.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Lens Barrels (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

L'invention fournit un appareil électronique, un barillet de lentille et un dispositif d'imagerie permettant de bloquer des ondes électromagnétiques générées par un composant électronique à l'intérieur d'un espace étroit. Le barillet de lentille (10) est équipé : d'une bobine d'induction (13a); d'un couvercle côté montage (12) constitué d'une partie tube (121) formée en métal, et d'une partie plaque (122) formée en résine qui sont disposées en des positions faisant face à la bobine d'induction (13a); et d'une plaque de blocage (14) disposée entre la partie plaque (122) du couvercle côté montage (12) et la bobine d'induction (13a), et bloquant les ondes électromagnétiques.
PCT/JP2013/067910 2012-07-20 2013-06-28 Appareil électronique, barillet de lentille, et dispositif d'imagerie WO2014013855A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012161254A JP5998699B2 (ja) 2012-07-20 2012-07-20 レンズ鏡筒、撮像装置
JP2012-161254 2012-07-20

Publications (1)

Publication Number Publication Date
WO2014013855A1 true WO2014013855A1 (fr) 2014-01-23

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PCT/JP2013/067910 WO2014013855A1 (fr) 2012-07-20 2013-06-28 Appareil électronique, barillet de lentille, et dispositif d'imagerie

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JP (1) JP5998699B2 (fr)
WO (1) WO2014013855A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015200703A (ja) * 2014-04-04 2015-11-12 キヤノン株式会社 レンズ装置及びそれを備える撮像装置並びに駆動装置
JP2015225157A (ja) * 2014-05-27 2015-12-14 キヤノン株式会社 撮像装置および交換レンズ
JP2022067140A (ja) * 2020-04-17 2022-05-02 ミツミ電機株式会社 光学素子駆動装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6827791B2 (ja) * 2016-12-14 2021-02-10 キヤノン株式会社 交換用レンズ及び撮像装置
JP7187355B2 (ja) * 2019-03-07 2022-12-12 キヤノン株式会社 レンズ鏡筒、及び撮像装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005094637A (ja) * 2003-09-19 2005-04-07 Fuji Photo Film Co Ltd 撮像モジュール及び撮像モジュールを用いた携帯電話
JP2007286201A (ja) * 2006-04-13 2007-11-01 Fujifilm Corp レンズユニット及びカメラシステム
JP2010278678A (ja) * 2009-05-27 2010-12-09 Kyocera Corp 撮像モジュール

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006229335A (ja) * 2005-02-15 2006-08-31 Mitsubishi Electric Corp 撮像装置
JP4900118B2 (ja) * 2007-07-31 2012-03-21 コニカミノルタオプト株式会社 カメラモジュールおよび電子機器
JP5413231B2 (ja) * 2010-02-12 2014-02-12 ソニー株式会社 電子機器及びカメラ装置
JP2012034947A (ja) * 2010-08-10 2012-02-23 Hoya Corp 電子内視鏡

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005094637A (ja) * 2003-09-19 2005-04-07 Fuji Photo Film Co Ltd 撮像モジュール及び撮像モジュールを用いた携帯電話
JP2007286201A (ja) * 2006-04-13 2007-11-01 Fujifilm Corp レンズユニット及びカメラシステム
JP2010278678A (ja) * 2009-05-27 2010-12-09 Kyocera Corp 撮像モジュール

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015200703A (ja) * 2014-04-04 2015-11-12 キヤノン株式会社 レンズ装置及びそれを備える撮像装置並びに駆動装置
JP2015225157A (ja) * 2014-05-27 2015-12-14 キヤノン株式会社 撮像装置および交換レンズ
JP2022067140A (ja) * 2020-04-17 2022-05-02 ミツミ電機株式会社 光学素子駆動装置
JP7096521B2 (ja) 2020-04-17 2022-07-06 ミツミ電機株式会社 光学素子駆動装置

Also Published As

Publication number Publication date
JP2014021355A (ja) 2014-02-03
JP5998699B2 (ja) 2016-09-28

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