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    • 18. 发明申请
    • Printer device
    • 打印机设备
    • US20070229642A1
    • 2007-10-04
    • US11717073
    • 2007-03-13
    • Noboru KoyamaTetsuya Hoshino
    • Noboru KoyamaTetsuya Hoshino
    • B41J2/385
    • B41J11/0095B41J2/325
    • A printer device that prints an image to a printing paper using a thermal head formed with a plurality of heating resistors. The printer device includes: edge position detection means for performing edge position detection, at four corners, to an incoming printing paper using the thermal head based on a change of temperature increase observed in, as a result of energization, any of the heating resistors opposing the printing paper and the remaining heating resistors not opposing the printing paper; and control means for exercising control over an image printing operation using the thermal head based on a detection output derived by the edge position detection means.
    • 一种打印机装置,其使用由多个加热电阻器形成的热敏头将图像打印到打印纸上。 打印机装置包括:边缘位置检测装置,用于在四角处对使用热敏头的进入打印纸进行边缘位置检测,所述打印纸基于作为通电的结果中观察到的任何加热电阻器相对的温度升高的变化, 打印纸和剩余的加热电阻器不与打印纸相对; 以及控制装置,用于基于由边缘位置检测装置导出的检测输出来对使用热敏头的图像打印操作进行控制。
    • 20. 发明授权
    • Hologram optical element and surface light source device using the hologram optical element
    • 全息光学元件和使用全息光学元件的表面光源装置
    • US07768685B2
    • 2010-08-03
    • US10555591
    • 2004-05-07
    • Tetsuya HoshinoYasushi Sugimoto
    • Tetsuya HoshinoYasushi Sugimoto
    • G02B5/32
    • G02B6/0053G02B5/0252G02B5/1871G02B5/32G02B6/0038G02B6/0065G02F2001/133607G03H2001/264
    • A hologram optical element having a thin form and a high degree of light transmittance, moreover that provides superior handling ease, as well as a surface light source device employing this hologram optical element. The angle at which light can be bent in this hologram optical element, has low wavelength dependency, and the hologram optical element enables prevention of spectral separation in white light incident from an oblique direction which is bent to a vertical direction and emitted. A transmitting diffraction grating, when light of wavelengths λ1, λ2 and λ3 within the ranges 0.46≦λ1≦0.50 μm (blue light), 0.53≦λ2≦0.57 μm (green light), 0.60≦λ3≦0.64 μm (red light) is incident at angle θi, the maximum diffraction angle for diffractive efficiency of each wavelength is within the range from −5 degrees to +5 degrees.
    • 具有薄型和高透光率的全息光学元件,而且提供了优异的处理容易性,以及采用该全息光学元件的表面光源装置。 在该全息光学元件中光可以弯曲的角度具有低的波长依赖性,并且全息光学元件能够防止从向垂直方向弯曲的倾斜方向入射的白光中的光谱分离并发射。 波长λ1,λ2和λ3的光在0.46≦̸λ1≦̸0.50μm(蓝光),0.53≦̸λ2≦̸0.57μm(绿光),0.60& NlE;λ3≦̸0.64μm 光)以角度入射; i,每个波长的衍射效率的最大衍射角在-5度至+5度的范围内。