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    • 65. 发明授权
    • Sheet supplying apparatus and recording or reading apparatus
    • 供纸装置和记录或读取装置
    • US6095514A
    • 2000-08-01
    • US31796
    • 1998-02-27
    • Tomohiro KudoHajime Nakajima
    • Tomohiro KudoHajime Nakajima
    • B65H3/08B65H9/12B65H3/34B65H1/08
    • B65H3/0833B65H9/12B65H2511/152B65H2511/20B65H2511/21B65H2515/34
    • A a sheet supplying apparatus includes a sheet holding member adapted to hold a plurality of sheets and having a regulating wall for regulating movement of the sheets in a sheet supplying direction, a sucker member for absorbing with a vacuum force an uppermost sheet among the sheets held by the sheet holding member, and a pressure reducer for reducing pressure in the sucker. In addition, a driver drives the sucker member to convey the sheet absorbed by the vacuum, a height detector detects a height position of the uppermost sheet, and a sheet urging member urges the sheets in a sheet stacking direction and moves the sheet toward the regulating wall. The sheet member urges means urging the uppermost sheet with predetermined pressure on the basis of the detected height position.
    • 片材供给装置包括:片材保持部件,其适于容纳多张片材,并且具有用于调节片材在片材供给方向上的移动的限制壁,用于吸收真空力的吸附部件,保持片材中的最上面的片材 通过片材保持构件和用于减小吸盘中的压力的​​减压器。 此外,驱动器驱动吸盘构件输送由真空吸收的片材,高度检测器检测最上面的片材的高度位置,并且片材推动构件将片材沿纸张堆叠方向推动并将片材朝向调节 壁。 纸张构件基于检测到的高度位置促使以预定压力推压最上面的纸张。
    • 66. 发明授权
    • Optical writing type liquid crystal light valve and writing apparatus
therefor
    • 光写字型液晶光阀及其书写装置
    • US5281806A
    • 1994-01-25
    • US50673
    • 1993-04-22
    • Kazuro NishiHajime NakajimaMasaya MizunumaTatsuo MasumiShigeyuki KahoTsuyoshi HorikawaShin Tahata
    • Kazuro NishiHajime NakajimaMasaya MizunumaTatsuo MasumiShigeyuki KahoTsuyoshi HorikawaShin Tahata
    • G02F1/135G09G3/02H04N5/74H01J40/14
    • G02F1/135G02F1/1354G09G3/02H04N5/7441G09G2310/061G09G2360/141G09G3/36
    • A liquid crystal light valve has a photoconductive layer between a pair of electrodes, and a liquid crystal layer. The resistivity of the photoconductive layer at the portion which is irradiated with light is reduced by partial light irradiation. By applying a voltage between the electrodes in this state, the voltage is applied to the liquid crystal layer in the portion which is irradiated with light and the crystalline structure at this portion is changed, thereby enabling image data writing. The photoconductive layer is a laminate of an amorphous Si film and an inorganic insulating film disposed on the electrode side, which structure suppresses the carrier injection from the electrode to the amorphous Si film. The polarity of a voltage for writing image data into the liquid crystal light valve is inverted for every horizontal scanning operation. That is, writing of black portions on a white background and writing of white portions on a black background are alternately executed. It is therefore possible to write data on one line and erase the data on the next line by a voltage of one polarity. By periodically setting a period in which no voltage is applied during writing, writing error caused by stored charges is prevented.
    • 液晶光阀在一对电极和液晶层之间具有光电导层。 通过部分光照射,光照射部分的光电导层的电阻率降低。 通过在这种状态下在电极之间施加电压,将电压施加到被照射的部分中的液晶层,并且该部分的晶体结构发生变化,从而使图像数据写入。 光电导层是设置在电极侧的非晶Si膜和无机绝缘膜的层叠体,该结构抑制从电极向非晶Si膜的载流子注入。 对于每次水平扫描操作,将图像数据写入液晶光阀的电压的极性反转。 也就是说,交替地执行在白色背景上写入黑色部分并在黑色背景上写入白色部分。 因此,可以在一行上写入数据,并通过一个极性的电压擦除下一行的数据。 通过周期性地设定在写入期间不施加电压的周期,防止由存储的电荷引起的写入错误。