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    • 44. 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。
    • 46. 发明申请
    • PROGRESSIVE ADDITION LENS OPERATING IN COMBINATION WITH A MULTI-ORDER DIFFRACTIVE OPTIC
    • 渐进式增光镜与多功能差分光学组合
    • US20080278681A1
    • 2008-11-13
    • US12118226
    • 2008-05-09
    • Ronald D. BlumWilliam KokonaskiJoshua N. Haddock
    • Ronald D. BlumWilliam KokonaskiJoshua N. Haddock
    • G02C7/06
    • G02C7/061G02C2202/16G02C2202/20
    • A multi-focal spectacle lens is presented having far distance, intermediate distance, and near distance vision correction, in which the lens includes a progressive addition surface with a progression of optical power. The lens further includes a multi-order diffractive surface relief structure with an optical add power. The multi-order diffractive structure reduces chromatic aberration as compared to a conventional diffractive structure of equivalent optical power. The lens may also include a wavefront splitting device diffractive structure for generating multiple optical powers simultaneously. When the progressive addition surface and the multi-order diffractive surface relief structure are in optical communication an overall progression of optical add power may be provided by the combination of the progressive addition surface with the multi-order surface relief diffractive structure.
    • 呈现出具有远距离,中间距离和近距离视力矫正的多焦点眼镜镜片,其中透镜包括具有光功率进展的渐进附加表面。 透镜还包括具有光学附加功率的多阶衍射表面浮雕结构。 与等效光功率的常规衍射结构相比,多阶衍射结构减少色差。 透镜还可以包括用于同时产生多个光焦度的波前分割装置衍射结构。 当渐进附加表面和多阶衍射表面浮雕结构是光通信时,可以通过渐进加法表面与多阶表面浮雕衍射结构的组合来提供光学加成功率的总体进展。