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    • 2. 发明申请
    • Optical rangefinder for an electro-active lens
    • 电动式透镜的光学测距仪
    • US20070280626A1
    • 2007-12-06
    • US11802413
    • 2007-05-22
    • Joshua N. HaddockWilliam KokonaskiDwight P. DustonRonald D. BlumScott N. Richman
    • Joshua N. HaddockWilliam KokonaskiDwight P. DustonRonald D. BlumScott N. Richman
    • G02B6/00
    • G01S11/12G01S17/08G01S17/88G02B7/32G02B7/36
    • Several devices for determining a distance of an object a user of an electro-active lens is looking at are presented. Once the distance is determined, the devices may alter the optical power of the electro-active lens to ensure that the object is correctly focused. Optical range finding is a possible means for carrying out this task. An active rangefinder may emit optical radiation from a transmitter directed at the object. The optical radiation may then be reflected off the object. The reflected optical radiation may then be received with an appropriate receiver. The received optical radiation may then be processed by appropriate circuitry to determine a distance to the object. A passive rangefinder works without a transmitter. Instead, an appropriate receiver receives ambient sources of light from the object. The received light may then be processed by appropriate circuitry to determine a distance to the object.
    • 呈现用于确定电活动透镜的用户的物体的距离的若干设备。 一旦确定了距离,装置可以改变电活动透镜的光功率,以确保对象被正确聚焦。 光学测距是进行此任务的可能手段。 有源测距仪可以发射指向物体的发射器的光辐射。 然后可以将光辐射从物体上反射出来。 然后可以用适当的接收器接收反射的光辐射。 所接收的光辐射然后可以由适当的电路来处理以确定到物体的距离。 无源测距仪在没有发射机的情况下工作。 相反,适当的接收器接收来自对象的环境光源。 然后可以通过适当的电路来处理所接收的光以确定到物体的距离。
    • 8. 发明授权
    • Method and apparatus for correcting vision using an electro-active phoropter
    • 使用电动扫帚机矫正视力的方法和装置
    • US07264354B2
    • 2007-09-04
    • US10772917
    • 2004-02-05
    • Ronald D. BlumWilliam KokonaskiDwight P. Duston
    • Ronald D. BlumWilliam KokonaskiDwight P. Duston
    • A61B3/10A61B3/04G02C7/06G02C7/02
    • A61B3/1015A61B3/0285A61B3/04G02C7/083G02C7/101G02C2202/22
    • An electro-active phoropter and a method of using the electro-active phoropter to measure a patient's vision prescription is disclosed. The electro-active phoropter includes a series of individually addressable electro-active lenses. The lenses have either a positive or negative optical power when an electrical potential is applied across the lens and a neutral optical power when no electrical potential is applied across the lens. Each lens provides an optical power that is part of a net optical power of the series of lenses when a patient views through the phoropter. The optical power of the phoropter can be incrementally adjusted by changing the distribution of the electrical potential across the different lenses of the series to provide increasing or decreasing optical power until a patient achieves a desired level of clarity and a vision prescription has been determined.
    • 公开了一种电活动扫帚机和使用电动扫帚仪测量患者视力处方的方法。 电动扫帚器包括一系列单独可寻址的电动式透镜。 当透镜上施加电位时,透镜具有正或负光焦度,而在透镜之间没有电位时,透镜具有中性光焦度。 每个透镜提供光学功率,当患者通过扫帚扫视器观看时,其是该系列镜片的净光学功率的一部分。 可以通过改变串联的不同透镜之间的电位分布来递增地调整扫描器的光焦度,以提供增加或减小的光功率,直到患者达到期望的清晰度水平并且已经确定视觉处方。
    • 10. 发明授权
    • Electro-optic lens with integrated components
    • 具有集成元件的电光透镜
    • US07023594B2
    • 2006-04-04
    • US10387143
    • 2003-03-12
    • Ronald D. BlumWilliam KokonaskiDwight P. Duston
    • Ronald D. BlumWilliam KokonaskiDwight P. Duston
    • G02C7/02
    • G02F1/134309G02B27/017G02C7/083G02C7/101G02C2202/16G02C2202/18G02C2202/20G02C2202/22G02F1/133371G02F1/133553G02F1/29G02F2001/13415G02F2001/294
    • A range finder device for use with a controller in an optical system is disclosed in accordance with one embodiment of the invention. The range finder device comprises a transmitter to produce a first beam of non-visible radiation for intersecting a perceived object, and a receiver to detect non-visible radiation reflected from that object. The controller determines a viewing distance of the perceived object based on signals received from the transmitter and receiver. A method of controlling an optical lens system comprises utilizing a range finder device to determine a viewing distance of an object perceived through an electro-active lens and adjusting a focal length of a portion of the lens based on the viewing distance. An optical lens system comprises an electro-active lens and a controller to adjust a focal length of at least a portion of the electro-active lens based on a signal from a range finder device.
    • 根据本发明的一个实施例公开了一种与光学系统中的控制器一起使用的测距装置。 测距装置包括发射器,用于产生用于与感知对象相交的不可见辐射的第一束,以及用于检测从该物体反射的不可见辐射的接收器。 控制器基于从发送器和接收器接收的信号来确定感知对象的观看距离。 控制光学透镜系统的方法包括利用测距装置来确定通过电动式透镜感知的物体的观看距离,并且基于观看距离调节透镜的一部分的焦距。 光学透镜系统包括电动式透镜和控制器,用于基于来自测距装置的信号来调节至少一部分电活动透镜的焦距。