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    • 17. 发明授权
    • Hybrid printer and scan image copying method
    • 混合打印机和扫描图像复印方法
    • US08368949B2
    • 2013-02-05
    • US13102543
    • 2011-05-06
    • Takashi KatoJunya Yada
    • Takashi KatoJunya Yada
    • H04N1/40
    • B41J3/44B41J11/0065H04N1/38H04N1/3875H04N1/393H04N2201/0091
    • When using image scanners to capture images of originals and using printers to print same, four-sided borderless copying is enabled such that margins do not appear on printouts. An image scanner might capture an image corresponding to scan region 263 which might be somewhat larger than original 262. Image processing circuitry might then enlarge an image corresponding to scan region 266 (arrow 279), converting it into enlarged image 271. Within enlarged image 271, the image of original 262 might have been enlarged so as to become image 273, which might be somewhat larger than printing paper 274. This enlarged original image 273 which would be present within enlarged image 271 might then be printed by a printer.
    • 当使用图像扫描仪捕获原稿的图像并使用打印机进行打印时,可以进行四面无边界复印,以使打印输出上没有出现页边距。 图像扫描器可以捕获与扫描区域263相对应的图像,其可能稍微大于原始图像262.图像处理电路然后可以放大对应于扫描区域266的图像(箭头279),将其转换为放大图像271。 ,原稿262的图像可能已经被放大,以便成为可能比打印纸274稍大的图像273.然后可以通过打印机来打印放大图像271内的放大的原始图像273。
    • 20. 发明授权
    • Diffraction grating device, laser diode, and wavelength tunable filter
    • 衍射光栅装置,激光二极管和波长可调滤波器
    • US08040933B2
    • 2011-10-18
    • US12379876
    • 2009-03-03
    • Takashi Kato
    • Takashi Kato
    • H01S5/00
    • H01S5/12G02F1/225G02F2203/15H01S5/028H01S5/06256H01S5/1203H01S5/1206H01S5/1212H01S5/3211
    • A diffraction grating device includes a substrate with a primary surface having a plurality of grating areas that are periodically arranged with a constant period in a predetermined axis direction, the grating area including a first area and a second area, a diffraction grating structure providing a chirped grating whose pitch monotonically changes along the predetermined axis direction, a core layer that is optically coupled with the diffraction grating structure with a coupling coefficient, a plurality of grating portions including the diffraction grating structure and the core layer, the grating portion including a first portion and second portion that are arranged on the first area and the second area, respectively, of the primary surface and a perturbing layer disposed at the first portion or the second portion. The perturbing layer changes the coupling coefficient between the diffraction grating structure and core layer. A periodical change in the coupling coefficient is formed along the core layer, and this change in the coupling coefficient affects the light propagating through the core layer in the direction of the predetermined axis.
    • 衍射光栅装置包括具有主表面的基板,所述基板具有多个光栅区域,所述多个光栅区域在预定轴向方向上以恒定周期周期性地布置,所述光栅区域包括第一区域和第二区域,衍射光栅结构提供啁啾 光栅,其间距沿预定轴方向单调变化,芯层与衍射光栅结构光耦合,具有耦合系数,多个光栅部分包括衍射光栅结构和芯层,光栅部分包括第一部分 以及分别布置在主表面的第一区域和第二区域上的第二部分和设置在第一部分或第二部分处的扰动层。 扰动层改变衍射光栅结构和芯层之间的耦合系数。 沿着芯层形成耦合系数的周期性变化,耦合系数的变化影响沿预定轴线的方向通过芯层传播的光。