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    • 5. 发明授权
    • Automatic and manual focusing exchangeable lens assembly
    • 自动和手动聚焦可更换镜头组件
    • US4553817A
    • 1985-11-19
    • US481933
    • 1983-04-04
    • Makoto AndoTsuneyo MetabiYukio MikiTakeshi Egawa
    • Makoto AndoTsuneyo MetabiYukio MikiTakeshi Egawa
    • G02B7/10G03B3/00G03B13/22
    • G02B7/10
    • An exchangeable lens assembly detachably mountable on a camera body having an automatic focusing device is selectively capable of either automatic focus adjustment by the operation of the automatic focusing device or manual focus adjustment by a manual operation. In two of the embodiments, the change-over between the automatic focus adjustment and the manual focus adjustment is made by operation of a change-over member provided on a stationary barrel separately from a manual focusing ring. A driven shaft coupled with a focus adjusting mechanism is disengaged from a driving shaft of the automatic focusing device in the case of the manual focus adjustment. In the remaining embodiments, a manual focusing ring rotatable and axially shiftable relative to a stationary barrel is axially shifted between an automatic focusing position and a manual focusing position for the change-over. When the ring is shifted to the automatic focusing position, a driven shaft coupled with a focus adjusting mechanism is engaged with a driving shaft of the automatic focusing device and the ring is un-coupled from the focus adjusting mechanism. When the ring is shifted to the manual focusing position, the engagement between the driven and driving shafts is interrupted and the ring is coupled with the focus adjusting mechanism by frictional engagement due to elastic deformation of a resilient member.
    • 可拆卸地安装在具有自动聚焦装置的照相机主体上的可交换透镜组件选择性地能够通过自动聚焦装置的操作进行自动聚焦调节或通过手动操作进行手动对焦调节。 在两个实施例中,通过与手动聚焦环分开设置在固定镜筒上的转换构件的操作来进行自动对焦调节和手动对焦调节之间的切换。 在手动对焦调整的情况下,与焦点调节机构联动的从动轴与自动聚焦装置的驱动轴脱离。 在其余实施例中,相对于固定筒可旋转和可轴向移动的手动聚焦环在自动对焦位置和用于切换的手动聚焦位置之间轴向移动。 当环移动到自动聚焦位置时,与焦点调节机构联接的从动轴与自动聚焦装置的驱动轴接合,并且环从聚焦调节机构脱离联接。 当环移动到手动聚焦位置时,被驱动轴和驱动轴之间的接合被中断,并且环由于弹性构件的弹性变形而通过摩擦接合与聚焦调节机构联接。
    • 6. 发明授权
    • Mounting device of optical unit
    • 光学装置的安装装置
    • US4492429A
    • 1985-01-08
    • US380872
    • 1982-05-21
    • Yukio MikiTakeshi Egawa
    • Yukio MikiTakeshi Egawa
    • G02B7/02G03B17/14
    • G02B7/021G03B17/14
    • As improved mounting device for an optical unit consists of two optical components, one of which is mounted on the other, or else demounted therefrom, by relative rotation of the two with sliding contact of mating seating and mounting faces thereof, wherein in the seating face of the one optical component is formed a positioning recess which is engaged by a positioning member of the other optical component. The positioning member is constantly urged to project beyond the associated mounting face when the other optical component is properly mounted on the one optical component. Along a circular path on the seating face adjacent to the positioning recess is provided an accommodation groove which accommodates the positioning member when the one optical component is turned relative to the other optical component.
    • 由于用于光学单元的改进的安装装置由两个光学部件组成,其中一个光学部件被安装在另一个上,或者通过两个光学部件的拆卸,通过两个配合座的滑动接触和安装面的相对旋转,其中在座面 所述一个光学部件形成有定位凹部,该定位凹槽由另一个光学部件的定位部件接合。 当另一个光学部件正确地安装在一个光学部件上时,定位部件被不断地推动突出超过相关联的安装面。 沿着与定位凹槽相邻的座面上的圆形路径设置有当相对于另一个光学部件转动一个光学部件时容纳定位部件的容纳槽。
    • 9. 发明授权
    • Interchangeable lens and camera for use therewith
    • 可互换镜头和相机使用
    • US4413894A
    • 1983-11-08
    • US392326
    • 1982-06-25
    • Yukio MikiTakeshi Egawa
    • Yukio MikiTakeshi Egawa
    • G02B7/04G02B7/08G03B17/14G03B3/00G02B7/11G03B17/00
    • G03B17/14G02B7/04
    • An interchangeable lens for a camera is constructed such that as a lens shifting ring for focusing an optical system of the interchangeable lens is shifted to a position for manual focusing, a driven shaft for focusing retracts to be disengaged from a driving shaft inside a camera body with simultaneous connection of a means for transmission of driving force from the lens shifting ring to a lens shifting mechanism. This means for transmitting driving force from the lens shifting ring to the lens shifting mechanism is disconnected as the lens shifting ring is shifted to a position for automatic focusing with resultant engagement of the driven shaft with the driving shaft.A camera is equipped with a detecting member which is shifted to an operating position as the driving shaft for driving the driven shaft of the mounted interchangeable lens is engaged with the driven shaft and a means for opening and closing an electric circuit for focusing according to shifting of the abovementioned detecting member.
    • 用于相机的可互换镜头被构造成使得当用于将可互换镜头的光学系统聚焦的透镜移动环移动到用于手动聚焦的位置时,用于聚焦缩回的从动轴与照相机体内的驱动轴分离 同时连接用于将透镜移动环的驱动力传递到透镜移位机构的装置。 当透镜移位环移动到自动聚焦位置时,用于将透镜驱动力从透镜移动环传递到透镜移动机构的装置被断开,从而与从动轴与驱动轴的接合。 相机配备有检测部件,该检测部件随着用于驱动安装的可互换镜片的从动轴的驱动轴与从动轴接合而移动到操作位置,以及用于打开和关闭用于聚焦的电路的装置, 的上述检测构件。
    • 10. 发明授权
    • Mounting and demounting device of optical unit
    • 光学装置的安装和拆卸装置
    • US4632510A
    • 1986-12-30
    • US739000
    • 1985-05-29
    • Yukio MikiTakeshi Egawa
    • Yukio MikiTakeshi Egawa
    • G02B7/02G03B17/14G02B7/04G02B7/08
    • G03B17/14G02B7/023
    • An optical unit for use with interchangeable lenses is provided with a mounting and demounting device which includes a mount positioning member, a lock member for locking the mount positioning member at a retracted position, and a mount releasing member for retracting the mount positioning member to the non-projected position. The mount positioning member is urged to project and engageable with a positioning recess of an interchangeable lens. The locking member is provided with a detection means which causes the locking member to release the mount positioning member by detecting completion of mounting of an interchangeable lens on the optical unit.
    • 用于可互换镜头的光学单元设置有安装和拆卸装置,其包括安装定位构件,用于将安装定位构件锁定在缩回位置的锁定构件和用于将安装定位构件缩回到安装定位构件的安装释放构件 非预计职位。 安装定位构件被推压并与可互换镜头的定位凹槽接合。 锁定构件设置有检测装置,该检测装置通过检测可更换镜头在光学单元上的安装的完成而使锁定构件释放安装定位构件。