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    • 2. 发明申请
    • Optical system and projection display device
    • 光学系统和投影显示设备
    • US20090116085A1
    • 2009-05-07
    • US12289942
    • 2008-11-07
    • Makoto YoshimuraMasato FuruyaMasaru KanazawaYuichi Kusakabe
    • Makoto YoshimuraMasato FuruyaMasaru KanazawaYuichi Kusakabe
    • G03H1/10
    • H04N9/3126H04N9/3105H04N13/324H04N13/334H04N13/337H04N13/363
    • An optical system capable of outputting hi-contrast images and multi-primary color or 3-dimensional images is provided. Light in primary colors RGB modulated in a first modulation optical system is transmitted through a relay lens 36 and further divided into a P-polarized light and an S-polarized light by a PS separation wire grid 37. The S-polarized light is transmitted through a wavelength spectral filter 39 to select red/green/blue light components R1, G1, B1 of 615, 515, 450 nm in wavelength, which are then modulated by a Y1 device 44. The P-polarized light is transmitted through a wavelength spectral filter 46 to select red/green/blue light components R2, G2, B2 of 650, 550, 475 nm in wavelength, which are then modulated by a Y2 device 51. The 3-primary color lights modulated by the Y1/Y2 devices 44, 51 are combined with each other at a PS composite wire grid 55 to project a synthetic light on a screen.
    • 提供了能够输出高对比度图像和多原色或三维图像的光学系统。 在第一调制光学系统中RGB调制的原色的光通过中继透镜36传输,并且通过PS分离线格栅37进一步分为P偏振光和S偏振光.S偏振光透射通过 波长谱滤波器39,用于选择波长为615,515,450nm的红/绿/蓝光分量R1,G1,B1,然后由Y1器件44调制.P偏振光透过波长光谱 滤波器46选择650,550,475nm波长的红/绿/蓝光分量R2,G2,B2,然后由Y2装置51调制。由Y1 / Y2装置44调制的3原色光 ,51在PS复合线栅55处相互组合,以将合成光投射在屏幕上。
    • 3. 发明授权
    • Method for manufacturing magnetic recording medium
    • 磁记录介质的制造方法
    • US4911951A
    • 1990-03-27
    • US250586
    • 1988-09-29
    • Hiroshi OgawaShinji SaitoMakoto YoshimuraShinichi Funabashi
    • Hiroshi OgawaShinji SaitoMakoto YoshimuraShinichi Funabashi
    • G11B5/716G11B5/842
    • G11B5/716G11B5/842Y10S428/90
    • A method for manufacturing a magnetic recording medium comprising the steps of: (1) providing a lower layer comprising a ferromagnetic powder dispersed in a binder on a non-magnetic support and (2) providing an upper layer comprising a ferromagnetic powder dispersed in a binder on the lower layer, wherein a solvent used in a magnetic coating composition for the lower layer contains at least 30 wt % of an organic solvent having an evaporation rate index of less than 50; a solvent used in a magnetic coating composition for the upper layer contains from 0 to 40 wt % of an organic solvent having an evaporation rate index of less than 50; the content of an organic solvent having an evaporation rate index of less than 50 in the coating composition for the upper layer is smaller than that in the coating composition for the lower layer; the magnetic coating composition for the upper layer is coated while the lower layer is not dried; and when the lower and upper layers are dried until the total solvent content of the lower and upper layers is in the range of from 0.05 to 3 wt %, a calendering treatment is carried out.
    • 一种制造磁记录介质的方法,包括以下步骤:(1)提供包含在非磁性载体上分散在粘合剂中的铁磁粉末的下层,和(2)提供包含分散在粘合剂中的铁磁性粉末的上层 在下层中,其中用于下层的磁性涂料组合物中使用的溶剂含有至少30重量%的蒸发速率指数小于50的有机溶剂; 用于上层磁性涂料组合物中的溶剂含有0至40重量%的蒸发速率指数小于50的有机溶剂; 在上层用涂料组合物中,蒸发率指数小于50的有机溶剂的含量小于下层用涂料组合物的含量; 涂布上层的磁性涂料组合物,同时不干燥下层; 并且当下层和上层被干燥直到下层和上层的总溶剂含量在0.05至3重量%的范围内时,进行压延处理。
    • 10. 发明申请
    • Optical system and projection display device
    • 光学系统和投影显示设备
    • US20100118214A1
    • 2010-05-13
    • US12289943
    • 2008-11-07
    • Makoto Yoshimura
    • Makoto Yoshimura
    • H04N9/31G03B21/14
    • H04N9/3188H04N9/3105H04N9/3126
    • An optical system attaining a nearly double resolving power in spite of one projector and also eliminating a convergence device is provided. The system includes an 1:1 relay lens 35 in place of a projector lens of a RGB split-combine projection system 102, and a quarter-wave plate 51 for P-S polarization separation. In operation, once-modulated RGB composite light is divided into a P-polarized light and a S-polarized light by a PS separation wire grid 52. The S-polarized light is modulated by a luminance signal Y1 at a Y1 device 63. The P-polarized light is modulated by a luminance signal Y2 at a Y2 device 58. The lights modulated by the Y1/Y2 devices 63, 58 are combined with each other at a PS composite wire grid 66 to project a synthetic light on a screen.
    • 提供尽管有一台投影机达到几乎双重分辨率的光学系统,并且还消除了会聚装置。 该系统包括1:1中继透镜35,代替RGB分离组合投影系统102的投影透镜,以及用于P-S偏振分离的四分之一波片51。 在操作中,通过PS分离线栅52将一次调制的RGB复合光分成P偏振光和S偏振光.S偏振光在Y1器件63处由亮度信号Y1调制。 P偏振光在Y2装置58处由亮度信号Y2调制。由Y1 / Y2装置63,58调制的光在PS复合线栅66处相互组合,以将合成光投射在屏幕上。