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    • 1. 发明授权
    • Lens position control device
    • 镜头位置控制装置
    • US5200860A
    • 1993-04-06
    • US913983
    • 1992-07-16
    • Masahide HirasawaHirofumi SudaNaoya KanedaHiroyuki Wada
    • Masahide HirasawaHirofumi SudaNaoya KanedaHiroyuki Wada
    • G02B7/10
    • G02B7/102
    • A lens position control device for a lens system, including a variator and a compensator which also serves as the focusing lens, comprises a detecting circuit for detecting positions of the variator and the compensator, a memory circuit for storing a plurality of pieces of information representing the manners in which the movement of the compensator is to be controlled in accordance with the positions of the variator and the compensator detected by the detecting circuit, the information concerning with at least the speed and the moving direction, a first control circuit responsive to operation of the zoom actuator for controlling the movements of the variator and the compensator, the first control means controlling the movement of the compensator in accordance with the information stored in the memory circuit, and a second control circuit responsive to detection of when the continuously read two pieces of information read out from the memory circuit come to differ from each other in the moving direction for controlling the movement of the compensator in a different manner from that indicated by the read information.
    • 一种用于透镜系统的透镜位置控制装置,包括变换器和还用作聚焦透镜的补偿器,包括用于检测变倍器和补偿器的位置的检测电路,存储电路,用于存储多个信息, 根据由检测电路检测到的变换器和补偿器的位置,至少与速度和移动方向有关的信息来补偿补偿器的移动的方式,响应于操作的第一控制电路 所述变焦致动器用于控制所述变换器和所述补偿器的运动,所述第一控制装置根据存储在所述存储器电路中的信息来控制所述补偿器的移动;以及第二控制电路,其响应于当连续读取两个 从存储器电路读出的信息在第th中彼此不同 用于以与所读取的信息所指示的不同的方式控制补偿器的运动的移动方向。
    • 2. 发明授权
    • Lens position control device
    • 镜头位置控制装置
    • US4975724A
    • 1990-12-04
    • US340025
    • 1989-04-18
    • Masahide HirasawaHiroyuki WadaNaoya KanedaHirofumi Suda
    • Masahide HirasawaHiroyuki WadaNaoya KanedaHirofumi Suda
    • G02B7/08G02B7/09G02B7/28H04N5/232
    • G02B7/282
    • A lens position control device for an optical instrument, the instrument including a variator and a compensator, the latter of which also serves as a focusing lens, comprises a detecting circuit for detecting the positions of the variator and the focusing lens, a memory for storing information representing the location and size of an impossible-to-focus zone for the focusing lens as the function of the zooming position of the variator, and a control circuit responsive to detection of the fact that the focusing lens falls in the impossible-to-focus zone on the basis of the information stored in the memory for causing the focusing lens to retire from the impossible-to-focus zone or for prohibiting the focusing lens from further moving in a direction toward the impossible-to-focus zone.
    • 一种用于光学仪器的透镜位置控制装置,该仪器包括变换器和补偿器,后者也用作聚焦透镜,包括用于检测变倍器和聚焦透镜的位置的检测电路,用于存储的存储器 表示作为变倍器的变焦位置的函数的聚焦透镜的不可能聚焦区域的位置和大小的信息,以及响应于聚焦透镜落入不可能对焦区域的事实的控制电路, 基于存储在存储器中的信息,使得聚焦透镜从不可能到焦点区域退出,或者用于禁止聚焦透镜在朝向不可聚焦区域的方向上进一步移动。
    • 4. 发明授权
    • Lens position control device
    • 镜头位置控制装置
    • US4920369A
    • 1990-04-24
    • US346630
    • 1989-05-02
    • Naoya KanedaHiroyuki WadaMasahide HirasawaHirofumi Suda
    • Naoya KanedaHiroyuki WadaMasahide HirasawaHirofumi Suda
    • G02B7/10
    • G02B7/102
    • A lens position control device for a lens system, the lens system including a variator and a compensator which also serves as the focusing lens, includes a detecting circuit for detecting the position of the variator and the focusing lens, a memory for storing information representing a plurality of values of the speed of movement of the focusing lens determined depending on the positions of the variator and the focusing lens and a predetermined value of the speed of movement of the variator, and a control circuit responsive to zoom actuation for controlling the movements of the variator and the focusing lens. Depending on the information representing the positions of the variator and focusing lens determined by the detecting circuit, the control circuit selects a specific one of the values of the moving speed from the memory so that the focusing lens moves at the particular speed, and the movements of the variator and the focusing lens are started at almost the same time.
    • 用于透镜系统的透镜位置控制装置,包括变换器和补偿器的透镜系统,其也用作聚焦透镜,包括用于检测变倍器和聚焦透镜的位置的检测电路,用于存储表示 根据变倍器和聚焦透镜的位置确定的聚焦透镜的移动速度的多个值和变倍器的移动速度的预定值,以及响应于变焦驱动的控制电路,用于控制变换器 变焦器和聚焦镜头。 根据表示由检测电路确定的变倍器和聚焦透镜的位置的信息,控制电路从存储器中选择特定值的移动速度,使得聚焦透镜以特定速度移动,并且移动 的变焦器和聚焦透镜几乎同时开始。
    • 6. 发明授权
    • Lens position control device
    • 镜头位置控制装置
    • US4950054A
    • 1990-08-21
    • US359388
    • 1989-05-31
    • Hiroyuki WadaNaoya KanedaMasahide HirasawaHirofumi Suda
    • Hiroyuki WadaNaoya KanedaMasahide HirasawaHirofumi Suda
    • G02B7/08G02B7/10G02B7/28
    • G02B7/102
    • A position control device for a lens system, the system including a variator and a compensator the latter of which also serves as the focusing lens, comprising device for detecting the degree of focus, device for detecting the positions of the variator and compensator, device for controlling movement of the compensator in accordance with at least the output of the position detecting device, and device responsive to occurrence of an out-of-focus state for correcting the manner in which the control device controls movement of the compensator, whereby the correcting device varies the manner between when the variator moves from the telephoto side to the wide-angle side and when from the wide-angle side to the telephoto side.
    • 一种用于透镜系统的位置控制装置,该系统包括变换器和补偿器,后者还用作聚焦透镜,包括用于检测聚焦透镜的装置,用于检测变倍器和补偿器的位置的装置,用于 至少根据所述位置检测装置的输出控制所述补偿器的移动,以及响应于出现所述控制装置控制所述补偿器的运动的方式来校正所述失焦状态的装置,由此所述校正装置 改变变焦器从长焦侧向广角侧移动时以及从广角侧向长焦侧移动的方式。
    • 9. 发明授权
    • Image stabilizing device
    • 影像稳定装置
    • US5825545A
    • 1998-10-20
    • US665079
    • 1996-06-14
    • Yoshiki KinoNaoya KanedaKazuya MatsudaYouichi IwasakiHiroyuki WadaTsuneo TakashimaHarunobu Ichinose
    • Yoshiki KinoNaoya KanedaKazuya MatsudaYouichi IwasakiHiroyuki WadaTsuneo TakashimaHarunobu Ichinose
    • G02B27/64
    • G02B27/646
    • The present invention relates to an optical instrument such as an optical axis deflecting device or an image stabilizing device having an optical member supported for rotation about a predetermined axis and rotated about the predetermined axis to thereby deflect the optical axis of passing light, moving means adapted to move in a direction along a plane inclined by a predetermined angle from a plane perpendicular to the predetermined axis to thereby rotate the optical member about the predetermined axis, and driving means for driving the moving means. With such construction, a driving force generated by the driving means acts on that portion of the optical member which is far from the rotational shaft thereof and as a result, a driving torque for driving the optical member can be enhanced without causing the bulkiness and higher cost of the device and an increase in consumed electric power.
    • 本发明涉及一种光学仪器,例如光轴偏转装置或图像稳定装置,其具有被支撑为围绕预定轴线旋转并围绕预定轴线旋转的光学构件,从而偏转通过的光的光轴,适于 沿着从垂直于预定轴线的平面倾斜预定角度的平面的方向移动,从而使光学构件绕预定轴线旋转,以及用于驱动移动装置的驱动装置。 通过这种结构,由驱动装置产生的驱动力作用在远离其旋转轴的光学构件的那部分上,结果,可以提高用于驱动光学构件的驱动扭矩,而不会引起蓬松性和较高的 设备的成本和消耗的电力的增加。