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    Camera accessory mount
    2.
    发明授权
    Camera accessory mount 有权

    公开(公告)号：US11175473B2

    公开(公告)日：2021-11-16

    申请号：US16170159

    申请日：2018-10-25

    Applicant: NIKON CORPORATION

    Inventor： Koji Nagaoka ,  Noriyasu Kotani

    IPC: G02B7/02 ,  G03B17/14 ,  G02B7/14 ,  H04N5/225 ,  G03B3/10

    Abstract: An interchangeable lens is removably attached to a camera body including a body-side mount, an image sensor, body-side terminals and a first to fourth body-side claws. The interchangeable lens includes the lens-side mount, lens-side terminals which are in contact with body-side terminals, a first to fourth lens-side claws engaged with the first to fourth body-side claws once the interchangeable lens is attached to the camera body. The first and third lens-side claws are disposed on a third lens-side line intersecting with the first lens-side line at an optical axis with approximately 45 degrees. The first lens-side line passes through a center between opposite ends of the first lens-side claw to the optical axis. The second and fourth lens-side claws are disposed on a fourth lens-side line orthogonal to the third lens-side line at the optical axis.

    Camera accessory mount
    6.
    发明授权
    Camera accessory mount 有权

    公开(公告)号：US11513306B2

    公开(公告)日：2022-11-29

    申请号：US16170159

    申请日：2018-10-25

    Applicant: NIKON CORPORATION

    Inventor： Koji Nagaoka ,  Noriyasu Kotani

    IPC: G02B7/02 ,  G03B17/14 ,  G02B7/14 ,  G03B3/10 ,  H04N5/225

    Abstract: An interchangeable lens is removably attached to a camera body including a body-side mount, an image sensor, body-side terminals and a first to fourth body-side claws. The interchangeable lens includes the lens-side mount, lens-side terminals which are in contact with body-side terminals, a first to fourth lens-side claws engaged with the first to fourth body-side claws once the interchangeable lens is attached to the camera body. The first and third lens-side claws are disposed on a third lens-side line intersecting with the first lens-side line at an optical axis with approximately 45 degrees. The first lens-side line passes through a center between opposite ends of the first lens-side claw to the optical axis. The second and fourth lens-side claws are disposed on a fourth lens-side line orthogonal to the third lens-side line at the optical axis.

    Accessory
    7.
    发明授权
    Accessory 有权

    公开(公告)号：US11054605B2

    公开(公告)日：2021-07-06

    申请号：US16170142

    申请日：2018-10-25

    Applicant: NIKON CORPORATION

    Inventor： Koji Nagaoka ,  Noriyasu Kotani

    IPC: G02B7/02 ,  G03B17/14 ,  H04N5/225 ,  G03B3/10

    Abstract: An interchangeable lens is removably attached to a camera body including a body-side mount, body-side terminal group above an upper side of an image sensor and a first to fourth body-side claws. The second body-side claw extends in circumferential direction with a center angle and is located outside the body-side terminal group. The interchangeable lens includes the lens-side mount, lens-side terminal group, a first to fourth lens-side claws engaged with the first to fourth body-side claws in proper attachment of the interchangeable lens. The four body-side claws are disposed in four regions divided by first and second body-side lines in relation to the arc-shaped body-side terminal group. The interchangeable lens is inserted to the camera body and rotated by a first angle for attaching and the terminals of the camera body and the interchangeable lens are connected. The center angle of the second body-side claw is smaller than the first.

    Camera accessory
    8.
    发明授权
    Camera accessory 有权

    公开(公告)号：US10809601B2

    公开(公告)日：2020-10-20

    申请号：US16677229

    申请日：2019-11-07

    Applicant: NIKON CORPORATION

    Inventor： Masanori Hasuda ,  Noriyasu Kotani ,  Hideaki Hoshikawa

    IPC: G03B17/56 ,  G03B17/14

    Abstract: An accessory mount can be inserted through the camera body mount without any of the first through third tabs being hindered by any of three camera body-side tabs at the camera body mount, as long as the accessory mount is inserted into the camera body mount at a correct interlock phase. The first, second, and third tabs extend over varying lengths along the circumferential direction. The first tab extends over a greatest length and the third tab extends over a smallest length, along the circumferential direction. The accessory mount includes a restricting member, a fitting portion, and a lock pin hole. The restricting member is disposed at a position assumed on a side substantially opposite from the lock pin hole across the fitting portion.

    Camera accessory
    10.
    发明授权
    Camera accessory 有权

    公开(公告)号：US11592729B2

    公开(公告)日：2023-02-28

    申请号：US17022284

    申请日：2020-09-16

    Applicant: NIKON CORPORATION

    Inventor： Masanori Hasuda ,  Noriyasu Kotani ,  Hideaki Hoshikawa

    IPC: G03B17/56 ,  G03B17/14

    Abstract: An accessory mount can be inserted through the camera body mount without any of the first through third tabs being hindered by any of three camera body-side tabs at the camera body mount, as long as the accessory mount is inserted into the camera body mount at a correct interlock phase. The first, second, and third tabs extend over varying lengths along the circumferential direction. The first tab extends over a greatest length and the third tab extends over a smallest length, along the circumferential direction. The accessory mount includes a restricting member, a fitting portion, and a lock pin hole. The restricting member is disposed at a position assumed on a side substantially opposite from the lock pin hole across the fitting portion.

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