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    • 24. 发明授权
    • Method and apparatus for light beam scanning using a hologram
    • 使用全息图进行光束扫描的方法和装置
    • US4925262A
    • 1990-05-15
    • US273624
    • 1988-11-17
    • Fumio YamagishiShinya HasegawaHiroyuki Ikeda
    • Fumio YamagishiShinya HasegawaHiroyuki Ikeda
    • G06K7/12G02B5/32G02B26/10G06K15/12H04N1/113
    • G06K15/1285G02B26/106
    • A method for constructing a hologram on a transparent disk which includes two steps. First, irradiating a reference wave light beam having a diverging spherical wave front from a first point light source located at a predetermined distance on a center axis of the transparent disk. Second, irradiating an object wave light beam having a diverging spherical wave front from a second point light source located at a predetermined distance on a normal line away from a predetermined distance from the center axis. The result is interference between the reference wave light beam irradiated by the first point light source and the object wave light beam irradiated by the second point light source on the transparent disk and the formation of interference fringes having an extreme value of a spatial frequency as a hologram in one embodiment, a reconstruction beam is irradiated to the position, or in the vicinity of the extreme value.
    • 一种在透明盘上构造全息图的方法,包括两个步骤。 首先,从位于透明盘的中心轴上的预定距离的第一点光源照射具有发散的球面波前的参考波光束。 其次,从距离中心轴规定距离的法线上距预定距离的第二点光源照射具有发散球面波的物波光束。 结果是由第一点光源照射的参考波光束与由透明盘上的第二点光源照射的物体光束之间的干涉,以及具有空间频率的极值的干涉条纹的形成为 在一个实施例中,全息图将重建光束照射到极值的位置或附近。
    • 27. 发明授权
    • Light-beam scanning apparatus
    • 光束扫描装置
    • US4647143A
    • 1987-03-03
    • US596704
    • 1984-04-04
    • Kozo YamazakiFumio YamagishiHiroyuki IkedaHiroshi WatanukiMitsuharu IshiiIchiro SebataTakefumi Inagaki
    • Kozo YamazakiFumio YamagishiHiroyuki IkedaHiroshi WatanukiMitsuharu IshiiIchiro SebataTakefumi Inagaki
    • G06K7/12G02B26/10G06K7/10G02B26/08
    • G06K7/10871
    • Light-beam scanning apparatus mainly used for a bar-code reader in a point-of-sale system to identify sold articles. The apparatus includes a light-beam emitting device, a hologram disk having a plurality of hologram segments with different diffraction characteristics mounted along its circumference and being rotated at a predetermined speed, and a deflecting device for directing the emitted light beam from the light-beam emitting device to one side of the hologram disk in a first direction. The scanning apparatus has a first mirror group including a plurality of mirrors placed in a second direction corresponding to the other side of the hologram disk, each of which mirrors is arranged to receive a diffracted light beam from a corresponding hologram segment, and a second mirror group including a plurality of mirrors, each of which mirrors is placed to receive a light beam reflected by a corresponding mirror of the first mirror group and to reflect the incident light beam to a predetermined space positioned in the first direction where an article attached with a bar-code label is moved. In the apparatus, a light path from the other side of the hologram disk to the predetermined space has a predetermined length to form a predetermined scanning light pattern in the space.
    • 光束扫描装置主要用于销售点系统中的条形码阅读器,用于识别出售物品。 该装置包括光束发射装置,具有沿其圆周安装并以预定速度旋转的具有不同衍射特征的多个全息片段的全息图盘,以及用于引导来自光束的发射光束的偏转装置 发射器件沿着第一方向到达全息图盘的一侧。 该扫描装置具有第一反射镜组,该第一反射镜组包括放置在与全息图光盘的另一侧相对应的第二方向的多个反射镜,每个反射镜被配置为接收来自对应全息图部分的衍射光束,以及第二反射镜 其包括多个反射镜,每个反射镜被放置成接收由第一反射镜组的相应反射镜反射的光束,并将入射光束反射到位于第一方向上的预定空间, 条形码标签被移动。 在该装置中,从全息盘的另一侧到预定空间的光路具有预定的长度,以在该空间中形成预定的扫描光图案。
    • 30. 发明申请
    • COMPUTER DISPLAY DEVICE MOUNTED ON EYEGLASSES
    • 计算机显示设备安装在眼镜上
    • US20160025983A1
    • 2016-01-28
    • US14809420
    • 2015-07-27
    • Hiroyuki Ikeda
    • Hiroyuki Ikeda
    • G02B27/01G06F3/0488G06F3/01
    • G02B27/0172G02B27/017G02B2027/0138G02B2027/0178G06F3/01G06F3/017G06F3/0346G06F3/0418G06F3/0426G06F3/0481G06F3/04815G06F3/04883G06F3/04886
    • When an imaging apparatus (30) captures an image of a finger performing an operation on a visual confirmation screen (S2), an operation determining unit (73) of a computer display device (1) mounted on eyeglasses (10) determines the contents of the operation performed by the finger based on image data obtained by the imaging apparatus (30). A positional data generating unit (74) generates positional data of the finger based on the image data. Based on data concerning the determined contents of the operation performed by the finger, the generated positional data of the finger, and reference data concerning the visual confirmation screen stored in a storage unit (90), an input control unit (76) determines the contents of an inputted instruction corresponding to the operation performed by the finger, and controls an original screen to be displayed on an display apparatus (20) in accordance with the determined contents of the inputted instruction.
    • 当成像装置(30)拍摄在视觉确认画面上执行操作的手指的图像(S2)时,安装在眼镜(10)上的计算机显示装置(1)的操作确定单元(73)确定内容 基于由成像装置(30)获得的图像数据由手指执行的操作。 位置数据生成单元(74)基于图像数据生成手指的位置数据。 根据关于由手指执行的操作确定的内容的数据,生成的手指的位置数据和与存储在存储单元(90)中的可视确认画面有关的参考数据,输入控制单元(76)确定内容 对与手指进行的操作相对应的输入指令,根据输入指令的确定内容,控制要在显示装置(20)上显示的原始画面。