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    • 1. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US06636338B1
    • 2003-10-21
    • US09717114
    • 2000-11-22
    • Hiroshi KidaKoji Wakamoto
    • Hiroshi KidaKoji Wakamoto
    • G02B2608
    • G02B26/12
    • In an image forming apparatus for reproducing an image on an image carrier by means of a laser beam, a frame structure for supporting a laser scanning device has a basic configuration in which lower portions of front and rear frames are coupled to each other by combining square pipes. In the frame structure, a reinforcing member of a flat plate made of a rigid material is fixed to upper square pipes of the front and rear frames which is required to be reinforced. A supporting member which supports optical components constituting the laser scanning device is fixed and supported by the reinforcing member.
    • 在用于通过激光束再现图像载体上的图像的图像形成装置中,用于支撑激光扫描装置的框架结构具有基本构造,其中前框架和后框架的下部通过组合正方形 管道。 在框架结构中,由刚性材料制成的平板的加强构件固定在需要加固的前框架和后框架的上方管上。 支撑构成激光扫描装置的光学部件的支撑部件由加强部件固定并支撑。
    • 5. 发明授权
    • Projection type display apparatus having a light source device with improved light utilization efficiency
    • 具有提高光利用效率的光源装置的投射型显示装置
    • US08434876B2
    • 2013-05-07
    • US12746828
    • 2009-10-21
    • Kuniko KojimaHiroshi Kida
    • Kuniko KojimaHiroshi Kida
    • G03B21/26
    • G03B21/14G03B21/2013G03B21/2053G03B21/2066H04N9/3152H04N9/3164
    • A projection type display apparatus having a long-life light source device with high light utilization efficiency includes first and second light source lamps; a light intensity equalizing element; first and second bending mirrors; an image display element modulating a light flux emitted from the light intensity equalizing element and converting it into image light; and a projection optical system projecting the image light on a screen; and the first light source lamp, the second light source lamp, the first bending mirror and the second bending mirror are arranged so that a first optical axis of the first light source lamp disagrees with a second optical axis of the second light source lamp and a first distance between the first bending mirror and an incidence end differs from a second distance between the second bending mirror and the incidence end.
    • 具有高光利用效率的长寿命光源装置的投影型显示装置包括第一和第二光源灯; 光强均衡元件; 第一和第二弯曲镜; 调制从光强均衡元件发射的光束并将其转换为图像光的图像显示元件; 以及将图像光投影在屏幕上的投影光学系统; 并且第一光源灯,第二光源灯,第一弯曲镜和第二弯曲镜布置成使得第一光源灯的第一光轴与第二光源灯的第二光轴不一致,并且 第一弯曲镜与入射端之间的第一距离与第二弯曲镜与入射端之间的第二距离不同。
    • 7. 发明申请
    • Pretransfer charging device and image forming apparatus including same
    • 预传输充电装置和包括其的图像形成装置
    • US20070201910A1
    • 2007-08-30
    • US11704388
    • 2007-02-09
    • Toshiaki KagawaHideki OhnishiHiroshi KidaYoshiaki Masuda
    • Toshiaki KagawaHideki OhnishiHiroshi KidaYoshiaki Masuda
    • G03G15/16
    • G03G15/169G03G15/0266G03G15/0291G03G2215/028
    • The present invention is made to provide a pretransfer charging device, which allows (i) reduction of generation of discharge products such as ozone and nitroxide, (ii) excellent uniform charging, (iii) continuous stable charging for a long period of time, and (iv) restraint of distortion of a toner image. The pretransfer charging device includes (i) ion generation needles each provided face to face with an image carrier such as a photoconductor drum or an intermediating transfer belt, and (ii) a high-voltage power supply for applying a negative voltage to each of the ion generation needles. The voltage to be applied from the high-voltage power supply is not less than an ion production threshold voltage but is less than a corona discharge threshold voltage. With this, no corona discharge occurs but negative ions can be generated. This makes it possible to solve various problems caused due to the corona discharge.
    • 本发明提供一种预转印充电装置,其能够(i)减少诸如臭氧和氮氧化物的放电产物的产生,(ii)优异的均匀充电,(iii)长时间连续稳定充电,以及 (iv)限制调色剂图像的变形。 预转印充电装置包括:(i)各离子产生针各自与诸如感光鼓或中间转印带的图像载体面对面地设置,以及(ii)高压电源,用于向 离子生成针。 从高压电源施加的电压不小于离子产生阈值电压,但小于电晕放电阈值电压。 由此,不会发生电晕放电,而是会产生负离子。 这使得可以解决由于电晕放电引起的各种问题。