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    • 1. 发明授权
    • Photographic lens recognition system for a camera body
    • 相机机身的摄影镜头识别系统
    • US06341902B1
    • 2002-01-29
    • US09204498
    • 1998-12-04
    • Osamu SatoSatoru HoritaHisashi TatamiyaTomoaki KobayashiHiroaki SuzukiMakoto Iikawa
    • Osamu SatoSatoru HoritaHisashi TatamiyaTomoaki KobayashiHiroaki SuzukiMakoto Iikawa
    • G03B1700
    • G03B17/14
    • A camera body includes a plurality of body contact members which can contact and electrically connect to a plurality of lens contact members of a photographic lens when the photographic lens is attached to the camera body. The camera body also includes a communication device which can receive fixed information via a first predetermined body contact member group if a photographic lens that allows the reception of fixed information is attached to the camera body, and which can transmit arbitrary information via a second predetermined body contact member group if a photographic lens that allows the transmission of arbitrary information is attached to the camera body. The camera body further includes an identifying device that determines whether or not an attached photographic lens allows the transmission of arbitrary information via first and second body contact members not belonging to the first predetermined body contact member group.
    • 照相机主体包括多个体接触构件,当摄影镜头附接到照相机主体时,其可以与摄影镜头的多个透镜接触构件接触并电连接。 相机主体还包括通信装置,其能够经由第一预定体接触构件组接收固定信息,如果允许接收固定信息的摄影镜头附着到相机机身,并且可经由第二预定体传送任意信息 如果允许传送任意信息的照相镜头附着在照相机机身上,则接触构件组。 相机主体还包括识别装置,其确定附加的摄影镜头是否允许经由不属于第一预定身体接触构件组的第一和第二身体接触构件传送任意信息。
    • 2. 发明授权
    • Lens barrel
    • 镜筒
    • US5969889A
    • 1999-10-19
    • US106185
    • 1998-06-29
    • Makoto IikawaTomoaki Kobayashi
    • Makoto IikawaTomoaki Kobayashi
    • G02B7/09G02B7/04G02B7/08G02B7/02
    • G02B7/04G02B7/08
    • A lens barrel has an immovable cylindrical member adapted to be detachably attached to a camera body, and a lens holder for holding a group of focusing lenses. The holder is disposed in the member so as to be movable along an optical axis of the focusing lenses for a focusing adjustment. A manual-focusing ring, rotatably mounted on the member, is manually movable along the optical axis between an auto-focusing (AF) position and a manual-focusing (MF) position, and has a plurality of recesses circumferentially arranged and formed on an inner wall surface thereof. A drive mechanism, provided between the member and the holder to convert a rotation into a translation of the holder along the optical axis, has at least a pin which is subjected to the rotation. The pin is engaged in one of the recesses of the ring when the ring is at the MF position, such that a rotation of the ring is transmitted to the drive mechanism. The pin is disengaged from the one of the recesses of the ring when the ring is at the AF position.
    • 透镜镜筒具有适于可拆卸地附接到相机主体的不可移动的圆柱形构件,以及用于保持一组聚焦透镜的透镜保持器。 保持器设置在构件中,以便沿聚焦透镜的光轴移动以进行聚焦调节。 手动对焦环可旋转地安装在构件上,可以在自动聚焦(AF)位置和手动聚焦(MF)位置之间沿着光轴手动移动,并且具有多个凹槽,其周向地布置并形成在 内壁面。 设置在构件和保持器之间以将旋转转换成保持器沿光轴的平移的驱动机构至少具有经受旋转的销。 当环位于MF位置时,该销接合在环的一个凹部中,使得环的旋转传递到驱动机构。 当环在AF位置时,销与环的一个凹槽脱离。
    • 3. 发明授权
    • Lens barrel
    • US06829103B2
    • 2004-12-07
    • US10667427
    • 2003-09-23
    • Tomoaki KobayashiMakoto Iikawa
    • Tomoaki KobayashiMakoto Iikawa
    • G02B1514
    • G02B7/10
    • A lens barrel includes a linear guide ring; a linearly movable ring which is provided inside the linear guide ring and has a cam on an outer circumferential surface; and a hand-operated rotating ring, provided outside the linear guide ring, which is capable of rotating in a circumferential direction and is incapable of rotating in an optical axis direction, with respect to the linear guide ring and which has a first penetrate groove. The linear guide ring, the linearly movable ring and the hand-operated rotating ring are provided concentrically to each other. A rotation motion of the hand-operated rotating ring with respect to the linear guide ring causes the linearly movable ring to move linearly along the optical axis direction, via the linear guide ring. The linear guide ring has a second penetrate groove penetrated in a radial direction. A projection member, which is to be engaged with the cam provided on the linear movable ring, via the second penetrate groove of the linear guide ring, is inserted from an outside of the hand-operated rotating ring.
    • 4. 发明授权
    • Lens alignment apparatus
    • 镜头对准装置
    • US07639439B2
    • 2009-12-29
    • US12146017
    • 2008-06-25
    • Makoto Iikawa
    • Makoto Iikawa
    • G02B7/02
    • G02B7/023
    • A lens alignment apparatus includes a main lens holding frame having a main lens secured thereto; an adjusting lens holding frame to which an adjusting lens to be aligned with the main lens is secured; at least one radial groove formed in one of adjacent end surfaces of the main lens holding frame and the adjusting lens holding frame; a centering hole, corresponding to the radial groove, formed in the other of the adjacent end surfaces of the main lens holding frame and the adjusting lens holding frame; and an alignment member including a centering pillar portion inserted in the centering hole and an aligning portion engaged in the radial groove, the aligning portion being provided with a plurality of pairs of parallel alignment surfaces having an identical width and different distances from the axis of the centering pillar portion.
    • 透镜对准装置包括:主透镜保持框架,其具有固定在其上的主透镜; 保持与主透镜对准的调节透镜的调节透镜保持框架; 至少一个径向槽,形成在主透镜保持框架和调节透镜保持框架的相邻端表面之一中; 形成在主透镜保持框架和调节透镜保持框架的相邻端面的另一个中的对应于径向凹槽的定心孔; 以及对准构件,其包括插入到定心孔中的定心柱部分和与径向凹槽接合的对准部分,该对准部分设置有多对平行的对准表面,该对平行的对准表面具有与该轴线相同的宽度和不同的距离 定心柱部分。
    • 5. 发明授权
    • One-way rotational transfer mechanism
    • 单向旋转传递机构
    • US07201262B2
    • 2007-04-10
    • US10952727
    • 2004-09-30
    • Takuji HamasakiMakoto Iikawa
    • Takuji HamasakiMakoto Iikawa
    • F16D15/00
    • F16D41/064F16D41/067
    • A one-way rotational transfer mechanism includes a rotary input shaft; a rotary output shaft provided around the rotary input shaft; a circumferentially-uneven-width-space forming portion formed on the rotary input shaft to form at least one accommodation space having different radial widths at different circumferential positions; a differential rotating member installed in the accommodation space, the differential rotating member revolving around the axis of the rotary input shaft in a same direction as a rotational direction of the rotary input shaft while revolving at a slower speed; and a freely movable torque transfer member installed in the accommodation space. The circumferentially-uneven-width-space forming portion is shaped so that the torque transfer member wedges between the circumferentially-uneven-width-space forming portion and an inner peripheral surface of the rotary output shaft to transfer torque from the rotary input shaft to the rotary output shaft.
    • 单向旋转传递机构包括旋转输入轴; 设置在旋转输入轴周围的旋转输出轴; 形成在所述旋转输入轴上的周向不均匀宽度空间形成部分,以在不同的圆周位置处形成具有不同径向宽度的至少一个容纳空间; 安装在所述容纳空间中的差速旋转构件,所述差速旋转构件以与所述旋转输入轴的旋转方向相同的方向围绕所述旋转输入轴的轴线以较慢的速度旋转; 以及安装在容纳空间中的可自由移动的扭矩传递构件。 周向不均匀宽度空间形成部分成形为使得转矩传递构件楔入周向不均匀宽度空间形成部分和旋转输出轴的内周表面之间,以将转矩从旋转输入轴传递到 旋转输出轴。
    • 6. 发明授权
    • Floating lens barrel, lens barrel, and a common lens barrel system
    • 浮球镜筒,镜筒和普通镜筒系统
    • US6118601A
    • 2000-09-12
    • US176960
    • 1998-10-22
    • Makoto IikawaTakuji Hamasaki
    • Makoto IikawaTakuji Hamasaki
    • G02B7/04G02B7/10G02B7/105G02B7/02
    • G02B7/04
    • A floating lens barrel includes a stationary barrel which can be connected to a camera body, a rotation ring which is rotatably supported by the stationary barrel and which is rotated in accordance with the focusing operation, a female helicoid ring provided on the stationary barrel, a front lens support ring which supports a focusing front lens group and which is guided to move linearly in the optical axis direction, a male helicoid ring which is supported by the front lens support ring so as to rotate relative thereto but not to move in the optical axis direction relative to the front lens support ring, a combination of rotation transmission grooves and pins for transmitting the rotation of the rotation ring to the male helicoid ring, and a rear lens support ring which holds a focusing rear lens group and which is guided to move linearly in the optical axis direction by the front lens support ring, in accordance with a cam groove formed in the male helicoid ring. A non-floating lens barrel and a common lens barrel system are also disclosed.
    • 浮动镜筒包括可连接到照相机主体的固定镜筒,由静止镜筒可旋转地支撑并且根据聚焦操作旋转的旋转环,设置在固定镜筒上的阴螺纹环, 前透镜支撑环,其支撑聚焦前透镜组,并被​​引导成在光轴方向上线性移动;阳螺旋环,其由前透镜支撑环支撑以相对于其旋转但不在光学 相对于前透镜支撑环的轴线方向,旋转传递槽和用于将旋转环的旋转传递到雄螺旋环的销的组合,以及保持聚焦后透镜组的后透镜支撑环,并且被引导到 根据形成在阳螺旋环中的凸轮槽,通过前透镜支撑环沿光轴方向线性移动。 还公开了非浮动镜头镜筒和公共镜筒系统。
    • 7. 发明授权
    • Automatic diaphragm apparatus for lens
    • 透镜自动隔膜装置
    • US5884110A
    • 1999-03-16
    • US980967
    • 1997-12-01
    • Makoto IikawaMasashi Takahashi
    • Makoto IikawaMasashi Takahashi
    • G03B9/07G03B7/095G03B9/06
    • G03B9/06G03B7/095
    • An automatic diaphragm apparatus in a lens in which an aperture diameter is varied in accordance with a set diaphragm value, set by a diaphragm set ring in a first section from the maximum aperture to a predetermined intermediate aperture. The aperture diameter is kept constant regardless of the set diaphragm value of the diaphragm set ring in a second section, from the predetermined intermediate aperture to the minimum aperture. The apparatus includes a diaphragm data transmission member in the form of an arc shape lever having one end which pivots on the diaphragm set ring at an offset position from the optical axis. On the other end, a diaphragm data transmission projection is provided. The apparatus also includes a cam mechanism which is provided between the diaphragm data transmission lever and an immovable portion of the lens. The cam mechanism is for holding the position of the diaphragm data transmission projection in a constant position when the diaphragm set ring is rotated in the first section. The cam mechanism is also for rotating the diaphragm data transmission projection together with the diaphragm set ring when the diaphragm set ring is rotated in the second section.
    • 透镜中的自动光圈装置,其中孔径根据设定的光圈值而变化,该设定的光圈值由在最大光圈到预定中间光圈的第一部分中的光圈设定环设定。 孔径直径保持恒定,而与第二部分中的隔膜固定环的设定光圈值无关,从预定的中间孔到最小光圈。 该装置包括一弧形杠杆形式的隔膜数据传输构件,其一端在离开光轴的偏移位置处在隔膜设置环上枢转。 另一方面,提供了膜片数据传输突起。 该装置还包括设置在隔膜数据传输杆和透镜的不可移动部分之间的凸轮机构。 凸轮机构用于当隔膜套环在第一部分中旋转时,将隔膜数据传输突起的位置保持在恒定位置。 当第二部分中的隔膜套环旋转时,凸轮机构还用于使隔膜数据传输突起与隔膜固定环一起旋转。
    • 8. 发明授权
    • Water-resistant structure of a lens barrel
    • 镜筒的防水结构
    • US08508873B2
    • 2013-08-13
    • US12710385
    • 2010-02-23
    • Makoto IikawaYuji KogureYuzo MinowaToshiyuki Irie
    • Makoto IikawaYuji KogureYuzo MinowaToshiyuki Irie
    • G02B7/02
    • G02B7/10
    • A water-resistant structure of a lens barrel includes a sealing member that seals an annular gap between inner and outer annular members, wherein the sealing member is positioned in a vicinity of an open end of the outer annular member and is fixed to one of the inner and outer annular members to be slidable on the other of the inner and outer annular members, and a drain groove formed on the inner annular member and positioned alongside the sealing member at a position closer to the open end of the outer annular member than the sealing member. Furthermore, a frictional resistance of a first sealing member produced between a secondary annular member and a manually-rotatable annular members is greater than a frictional resistance of the second sealing member that urges one of two of the manually-rotatable annular members to follow a rotation of the other thereof when rotated.
    • 透镜镜筒的防水结构包括密封内环形构件和外环形构件之间的环形间隙的密封构件,其中密封构件位于外环形构件的开口端附近,并且固定到 内环形构件和外环形构件能够在内环形构件和外环形构件中的另一个上滑动;以及排水槽,形成在内环形构件上,并且位于密封构件的旁边,位于比外环形构件的开口端更靠近外环形构件的开口端 密封件。 此外,在次级环形构件和可手动旋转的环形构件之间产生的第一密封构件的摩擦阻力大于推动两个可手动旋转环形构件中的一个旋转的第二密封构件的摩擦阻力 的另一个。
    • 9. 发明授权
    • One-way rotational transfer mechanism, and a lens barrel incorporating the same
    • 单向旋转传送机构,以及包含该单向旋转传送机构的镜筒
    • US07102837B2
    • 2006-09-05
    • US11000267
    • 2004-12-01
    • Takuji HamasakiMakoto Iikawa
    • Takuji HamasakiMakoto Iikawa
    • G02B7/02G02B15/14F16D15/00F16D11/06G03G15/22
    • G02B7/08F16D41/105F16D43/02Y10T74/19
    • A one-way rotational transfer mechanism includes a rotary input shaft, a rotary output shaft, a clutch member, a differential rotating member, a circumferentially-uneven-width-space forming portion formed on the rotary input shaft, a torque transfer member, and an associating device. The torque transfer member wedges between the circumferentially-uneven-width-space forming portion and the clutch member while making the torque transfer member contact the clutch so that the rotary input shaft and the clutch member become integral upon rotation of the rotary input shaft. The associating device causes the clutch member to transfer torque thereof to the rotary output shaft, and the clutch member to release engagement of the rotary input shaft with the clutch member when the rotary output shaft is rotated so that a relative rotational torque greater than a predetermined torque determined by a shape of the associating device.
    • 单向旋转传递机构包括旋转输入轴,旋转输出轴,离合器构件,差速旋转构件,形成在旋转输入轴上的周向不均匀宽度空间形成部,转矩传递构件, 关联设备。 扭转传递部件在使转矩传递部件与离合器接触的同时在周向不均匀宽度空间形成部分和离合器部件之间楔入,使得旋转输入轴和离合器部件在旋转输入轴旋转时变得一体。 关联装置使得离合器构件将转矩传递到旋转输出轴,并且离合器构件在旋转输出轴旋转时释放旋转输入轴与离合器构件的接合,使得大于预定的相对旋转扭矩 扭矩由关联装置的形状决定。
    • 10. 发明授权
    • Bayonet coupling for axially mounting one of two relatively rotatable ring-shaped members on the other
    • 卡口联接器用于轴向安装两个相对可旋转的环形构件中的一个
    • US07004672B2
    • 2006-02-28
    • US10751532
    • 2004-01-06
    • Makoto IikawaMasashi Takahashi
    • Makoto IikawaMasashi Takahashi
    • F16B7/20
    • G03B17/00Y10T403/7005Y10T403/7007Y10T403/7015
    • A bayonet coupling including an annular groove and bayonet lugs on an inner ring-shaped member and an outer ring-shaped member; and insertion openings formed on either the inner ring-shaped member or the outer ring-shaped member which includes the annular groove. The bayonet lugs includes first bayonet lugs associated with the insertion openings to be insertable into the annular groove through the insertion openings, and a second bayonet lug for which no associated insertion opening is formed. The insertion openings, the first bayonet lugs and the second bayonet lug are shaped so that the second bayonet lug is insertable into the annular groove with axes of the outer and inner ring-shaped members being inclined to each other, and so that the first bayonet lugs are insertable into the annular groove through the insertion openings, respectively, after the second bayonet lug is inserted into the annular groove.
    • 一种卡口式联轴节,其包括在内环形构件和外环形构件上的环形槽和卡​​口凸耳; 以及形成在包括环形槽的内环形构件或外环形构件的任一个上的插入开口。 卡口凸耳包括与插入开口相关联的第一卡口凸耳,以便通过插入开口可插入到环形凹槽中,以及第二卡口凸耳,其中没有形成相关联的插入开口。 所述插入开口,所述第一卡口凸耳和所述第二卡口凸耳被成形为使得所述第二卡口凸耳可插入到所述环形凹槽中,所述外环和内环构件的轴线彼此倾斜,并且使得所述第一卡口 在第二卡口凸耳插入环形凹槽中之后,凸耳分别通过插入开口插入到环形槽中。