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    • 33. 发明授权
    • Micromotor actuated adjustable focus lens
    • 微电机驱动可调聚焦透镜
    • US5203788A
    • 1993-04-20
    • US669499
    • 1991-03-14
    • Robert G. Wiley
    • Robert G. Wiley
    • A61F2/16G02B3/14
    • G02B3/14A61F2/1613A61F2/1635
    • An adjustable focus lens apparatus includes a transparent lens body having a periphery, and a relatively rigid outer ring extending about the periphery of the lens body and a plurality of micromotor devices spaced equally about and coupled between the ring and the periphery. Each of the micromotor devices is responsive to an externally generated control signal for selectively changing the circumference and/or axial position of an associated portion of the periphery to adjust the lens for power and astigmatism correction. In several embodiments, the periphery includes an inner ring coupled to the outer ring by the micromotor devices. In another embodiment, the ring is formed of segments and the micromotor devices are included in overlapping portions of the segments.
    • 可调焦距透镜装置包括具有周边的透明透镜主体和围绕透镜主体的周边延伸的相对刚性的外环以及围绕环和外围均匀间隔并连接的多个微电机装置。 每个微型电动机装置响应于外部产生的控制信号,用于选择性地改变周边的相关部分的周长和/或轴向位置,以调整透镜的功率和像散校正。 在几个实施例中,周边包括通过微电机装置联接到外环的内环。 在另一个实施例中,环由段形成,并且微电机装置包括在段的重叠部分中。