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    AUTOMATIC FOCUS ADJUSTMENT DEVICE AND AUTOMATIC FOCUS ADJUSTMENT CONTROL DEVICE
    73.
    发明申请
    AUTOMATIC FOCUS ADJUSTMENT DEVICE AND AUTOMATIC FOCUS ADJUSTMENT CONTROL DEVICE 审中-公开

    公开(公告)号：US20170347019A1

    公开(公告)日：2017-11-30

    申请号：US15680626

    申请日：2017-08-18

    申请人： OLYMPUS CORPORATION

    发明人： Kazumi ITO

    IPC分类号： H04N5/232 ,  G02B7/28 ,  G02B7/14

    摘要： A device having: an optical system configured to be controlled to adjust a focal position so as to focus in an adjustment range; a switch configured to be switched between a first state and a second state; and a processor comprising hardware, wherein the processor is configured to implement: a focal position adjustment range setting unit configured to set: the adjustment range to a whole region in the first state; and the adjustment range to a part of the whole region in the second state, wherein the part of the whole region as a predetermined range is determined from a focal position of an object point conjugate with an imaging surface at the time the first switch is switched to the second state; and a controller configured to control the optical system to adjust the focal position based on the set adjustment range.

    MECHANISM FOR ATTACHING AND DETACHING TRIPOD SEAT
    74.
    发明申请
    MECHANISM FOR ATTACHING AND DETACHING TRIPOD SEAT 审中-公开

    公开(公告)号：US20170336595A1

    公开(公告)日：2017-11-23

    申请号：US15536410

    申请日：2015-12-22

    申请人： RICOH IMAGING COMPANY, LTD.

    发明人： Takahiro OOYA

    IPC分类号： G02B7/14 ,  G03B17/56 ,  F16M11/04

    CPC分类号： G02B7/14 ,  F16M11/041 ,  G03B17/561 ,  G03B17/566

    摘要： A mechanism for attaching and detaching a tripod seat, comprising: a first tripod seat unit; and a second tripod seat unit to which the first tripod seta unit is detachably attached, wherein: one of the first tripod seat unit and the second tripod seat unit has a first fixing member and a second fixing member formed to be screwed together; the other of the first tripod seat unit and the second tripod seat unit has an attachment part brought to be in pressure contact with the second fixing member by screwing the first fixing member to the second fixing member; and by bringing the attachment part to be in pressure contact with the second fixing member, the first tripod seat unit is fixed to the second tripod seat unit.

    Rear conversion lenses
    75.
    发明授权
    Rear conversion lenses 有权

    公开(公告)号：US09784954B2

    公开(公告)日：2017-10-10

    申请号：US14994471

    申请日：2016-01-13

    申请人： Samsung Electronics Co., Ltd.

    发明人： Shuji Yoneyama

    IPC分类号： G02B15/02 ,  G02B15/10 ,  G02B9/60 ,  G02B7/14 ,  G02B15/173

    CPC分类号： G02B15/10 ,  G02B7/14 ,  G02B9/60 ,  G02B15/08 ,  G02B15/173

    摘要： A rear conversion lens, which may include a plurality of lenses may be disposed at a side of master lenses facing an image side for varying a focal length, and may include: a first lens having a positive refractive power; a second lens having a biconcave shape; a third lens having a positive refractive power; a fourth lens having a positive refractive power; and a fifth lens having a negative refractive power. The first to fifth lenses may be sequentially arranged in a direction from an object side to the image side.

    ZOOM LENS BARREL, INTERCHANGEABLE LENS, AND TELEVISION CAMERA DEVICE
    78.
    发明申请
    ZOOM LENS BARREL, INTERCHANGEABLE LENS, AND TELEVISION CAMERA DEVICE 有权

    公开(公告)号：US20170192196A1

    公开(公告)日：2017-07-06

    申请号：US15464719

    申请日：2017-03-21

    申请人： FUJIFILM Corporation

    发明人： Hideo KOBAYASHI

    IPC分类号： G02B7/04 ,  G02B7/14

    CPC分类号： G02B7/04 ,  G02B7/102 ,  G02B7/14

    摘要： A zoom lens barrel houses plural lens frames holding plural movable lens units and supporting the plural movable lens units so that the movable lens units are movable forward and rearward along an optical axis. The zoom lens barrel includes a first lens frame and a second lens frame of the plural lens frames adjacent to each other, and plural first linear motors and plural second linear motors that move the first lens frame and the second lens frame forward and rearward independently for focusing associated with zooming. The plural first linear motors and the plural second linear motors are arranged in a plane that is perpendicular to the optical axis and also alternately on the same circumference that has a center on the optical axis.

    FREQUENCY CONTROL APPARATUS, MOTOR DRIVING APPARATUS, AND OPTICAL APPARATUS
    80.
    发明申请
    FREQUENCY CONTROL APPARATUS, MOTOR DRIVING APPARATUS, AND OPTICAL APPARATUS 审中-公开

    公开(公告)号：US20170168257A1

    公开(公告)日：2017-06-15

    申请号：US15361579

    申请日：2016-11-28

    申请人： CANON KABUSHIKI KAISHA

    发明人： Junki Yoshimuta

    IPC分类号： G02B7/08 ,  H03L7/00 ,  G02B7/14 ,  H02N2/06

    摘要： A frequency control apparatus includes a signal generator configured to generate an output signal as a digital signal having a target frequency that has been set, using a plurality of signals having frequencies that are different from the target frequency and one another, an estimator configured to estimate a mixed frequency that is a frequency of a signal component mixed in the output signal and different from the target frequency and each of frequencies of the plurality of signals, and a frequency shift unit configured to shift at least one of the target frequency and the frequencies of the plurality of signals in accordance with an estimation result of the mixed frequency.