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    • 10. 发明授权
    • Eye movement sensing system
    • 眼动检测系统
    • US06315773B1
    • 2001-11-13
    • US08854870
    • 1997-05-12
    • Rudolph W. FreyJohn E. McWhirterNeil ZepkinGeorge Richard Downes, Jr.
    • Rudolph W. FreyJohn E. McWhirterNeil ZepkinGeorge Richard Downes, Jr.
    • A61N502
    • A61B3/113
    • A method and system are provided for sensing eye motion, such as saccadic eye motion, in a non-intrusive fashion. An optical delivery arrangement converts a laser beam pulse into a plurality of light spots. The light spots are focused such that they are incident on a corresponding plurality of positions located on a boundary whose movement is coincident with that of eye motion. The boundary can be defined by two visually adjoining surfaces having different coefficients of reflection. Energy is reflected from each of the positions located on the boundary receiving the light spots. An optical receiving arrangement detects the reflected energy from each of the positions. Changes in reflected energy at one or more of the positions is indicative of eye motion.
    • 提供了一种用于以非侵入方式感测眼睛运动(例如眼球运动)的方法和系统。 光学传送装置将激光束脉冲转换成多个光点。 光点被聚焦,使得它们入射在位于其移动与眼睛运动的移动一致的边界上的对应的多个位置上。 边界可以由具有不同反射系数的两个视觉上相邻的表面限定。 能量从位于接收光点的边界上的每个位置反射。 光接收装置从每个位置检测反射能量。 在一个或多个位置的反射能量的变化表示眼动。