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    • 8. 发明授权
    • Light valve device
    • 光阀装置
    • US6067062A
    • 2000-05-23
    • US749292
    • 1991-08-23
    • Hiroaki TakasuYoshikazu KojimaMasaaki KamiyaTsuneo YamazakiHiroshi SuzukiMasaaki TaguchiRyuichi TakanoSatoru Yabe
    • Hiroaki TakasuYoshikazu KojimaMasaaki KamiyaTsuneo YamazakiHiroshi SuzukiMasaaki TaguchiRyuichi TakanoSatoru Yabe
    • G02F1/1337G02F1/136G02F1/1362G09G3/20G09G3/36G09G5/00H01L27/12
    • G02F1/13454G02F1/13378G09G3/3648H01L27/1214H01L27/1251G02F1/136213G02F2202/105G09G2330/02G09G5/006
    • A light valve has a composite substrate comprised of an electrically insulating substrate and a semiconductor single crystal thin film formed over the electrically insulating substrate. A pixel array comprising semiconductor switch elements is formed in the semiconductor single crystal thin film. A peripheral circuit having circuit elements is formed in the semiconductor single crystal thin film so that a small-sized, high speed light valve is obtained. X- driver and Y-driver circuits are formed in the semiconductor single crystal thin film and controlled by a control circuit, such as a video signal processing circuit, which receives and processes video signals inputted directly from an external source. The peripheral circuit can be a DRAM sense amplifier for sensing charges stored in each pixel of the pixel array to detect defects in the pixel array. The peripheral circuit can be a photosensor circuit for detecting an intensity of incident light to monitor the performance of a light source of the light valve. The peripheral circuit can be a temperature sensor for detecting the temperature of a liquid crystal layer of the light valve, and may be comprised of Darlington connected NPN transistors formed in the semiconductor single crystal thin film. The peripheral circuit can also be a solar cell for converting incident light into electrical energy to supply power to at least one of the pixel array, X-driver and Y-driver circuits and the peripheral circuit.
    • 光阀具有由电绝缘基板和形成在电绝缘基板上的半导体单晶薄膜构成的复合基板。 包含半导体开关元件的像素阵列形成在半导体单晶薄膜中。 在半导体单晶薄膜中形成具有电路元件的外围电路,从而获得小型高速光阀。 X驱动器和Y驱动器电路形成在半导体单晶薄膜中,并由诸如视频信号处理电路的控制电路控制,该电路接收并处理从外部源直接输入的视频信号。 外围电路可以是用于感测存储在像素阵列的每个像素中的电荷的DRAM读出放大器,以检测像素阵列中的缺陷。 外围电路可以是用于检测入射光的强度以监视光阀的光源的性能的光电传感器电路。 外围电路可以是用于检测光阀的液晶层的温度的温度传感器,并且可以由形成在半导体单晶薄膜中的达林顿连接的NPN晶体管组成。 外围电路也可以是用于将入射光转换为电能以向像素阵列,X驱动器和Y驱动器电路和外围电路中的至少一个供电的太阳能电池。
    • 10. 发明授权
    • Web processing system
    • Web处理系统
    • US06357691B1
    • 2002-03-19
    • US09417119
    • 1999-10-13
    • Kenji WatanabeTsuneo YamazakiFujio KuwabaraAkihiro Sanda
    • Kenji WatanabeTsuneo YamazakiFujio KuwabaraAkihiro Sanda
    • B65H1804
    • H02K49/106B65H18/106B65H2301/4148B65H2403/7254B65H2403/731B65H2515/32B65H2701/1719H02K49/108Y10S242/909Y10T83/2074Y10T83/7809B65H2220/02
    • A winding device has a drive shaft having a flange, and a holder rotatably mounted on the drive shaft in covering relation to the flange, for winding the web therearound. The holder has a first torque adjustment plate rotatably mounted on the drive shaft and having a surface disposed in facing relation to a surface of the flange, the first torque adjustment plate supporting a plurality of magnets on the surface thereof, and a second torque adjustment plate rotatably mounted on the drive shaft and having a surface disposed in facing relation to an opposite surface of the flange, the second torque adjustment plate supporting a plurality of magnets on the surface thereof. The winding device is capable of winding relatively wide webs having a large thickness ranging from 100 to 150 &mgr;m, e.g., photographic photosensitive webs (films), with a low tension fluctuation ratio of ±5% or less, while producing large tension easily and stably. The winding device is constructed for easy maintenance.
    • 卷绕装置具有驱动轴,该驱动轴具有凸缘,并且保持件可旋转地安装在驱动轴上以覆盖与凸缘相关联,用于绕其卷绕卷筒纸。 保持器具有可旋转地安装在驱动轴上的第一扭矩调节板,并且具有面对凸缘表面设置的表面,第一扭矩调节板在其表面上支撑多个磁体,第二扭矩调节板 可旋转地安装在驱动轴上并且具有以与凸缘的相反表面相对的方式设置的表面,第二扭矩调节板在其表面上支撑多个磁体。 卷绕装置能够卷绕具有100至150μm厚度的较大厚度的相对较宽的幅材,例如感光幅材(薄膜),低张力波动比为±5%或更小,同时容易且稳定地产生大张力 。 绕线装置构造简单易于维护。