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    • 14. 发明授权
    • Apparatus for measuring quantity of toner, and image forming apparatus comprising measuring apparatus
    • 用于测量调色剂量的设备,以及包括测量设​​备的图像形成设备
    • US06597878B2
    • 2003-07-22
    • US09962154
    • 2001-09-26
    • Hiroshi NakazatoTakashi HamaYoshio Nakazawa
    • Hiroshi NakazatoTakashi HamaYoshio Nakazawa
    • G03G1500
    • G03G15/5062G03G15/0131G03G15/5041G03G15/5058G03G2215/00042G03G2215/00059G03G2215/00063G03G2215/0634
    • A toner quantity measuring apparatus in which an input offset voltage is applied to the output side of an irradiation quantity monitoring light receiving element, so that a light emitting element remains turned off unless a light quantity control signal exceeds a predetermined signal level. Prior to irradiation of light upon an intermediate transfer belt and measurement of a toner quantity, a light quantity control signal below the predetermined signal level is supplied to an irradiation quantity adjusting unit and the light emitting element is turned off without fail. A memory stores, as a dark output voltage, an output voltage from a reflection quantity detecting unit upon the turning off. Light reflected from the intermediate transfer belt is split into p-polarized and s-polarized light to detect a toner quantity and colors of the toner. In actual measurement of the toner quantity, with light irradiated upon the intermediate transfer belt, the dark output voltage is subtracted from the output voltage outputted from the reflection quantity detecting unit, whereby an influence of the dark output voltage is eliminated.
    • 一种调色剂量测量装置,其中输入偏移电压施加到照射量监视光接收元件的输出侧,使得除非光量控制信号超过预定信号电平,否则发光元件保持关闭。 在将光照射到中间转印带上并测量调色剂量之前,将低于预定信号电平的光量控制信号提供给照射量调节单元,并且发光元件关闭。 作为暗输出电压,存储器在关闭时存储来自反射量检测单元的输出电压。 从中间转印带反射的光被分裂为p偏振和s偏振光,以检测调色剂的调色剂量和颜色。 在调色剂量的实际测量中,通过照射到中间转印带上的光,从反射量检测单元输出的输出电压中减去暗输出电压,从而消除暗输出电压的影响。
    • 16. 发明授权
    • Optical scanner
    • 光学扫描仪
    • US5764397A
    • 1998-06-09
    • US755013
    • 1996-11-22
    • Nozomu InoueYujiro NomuraTakashi HamaKyu Takada
    • Nozomu InoueYujiro NomuraTakashi HamaKyu Takada
    • G02B26/12G02B26/08
    • G02B26/129
    • An optical scanner comprises: a light source; beam shaping optics for transforming an optical beam from the light source into a convergent beam; a rotating polygonal mirror having at least a first reflecting face for deflecting the convergent beam and a second reflecting face; and transmission optics having a lens, with which the optical beam deflected by the first reflecting face of the rotating polygonal mirror is allowed to be incident on the second reflecting face of the rotating polygonal mirror, with the optical beam incident on the second reflecting face of the rotating polygonal mirror being deflected therefrom to produce a scanning optical beam which scans a predetermined surface to be scanned, wherein the convergent optical beam forms a focused image at a point located between the first reflecting face of the rotating polygonal mirror and the lens in the transmission optics.
    • 光学扫描器包括:光源; 光束整形光学器件,用于将光束从光源变换成会聚光束; 旋转多面镜,具有至少第一反射面,用于偏转会聚光束和第二反射面; 以及具有透镜的透射光学器件,由旋转多面镜的第一反射面偏转的光束通过该透镜入射到旋转多面镜的第二反射面上,光束入射在旋转多面镜的第二反射面上 旋转多面镜从其偏转以产生扫描要扫描的预定表面的扫描光束,其中会聚光束在位于旋转多面镜的第一反射面和透镜之间的点处形成聚焦图像 传输光学。
    • 17. 发明授权
    • Charger apparatus
    • 充电器
    • US5453819A
    • 1995-09-26
    • US214268
    • 1994-03-17
    • Hidetsugu ShimuraHajime KuriharaAkihiko IkegamiTakehiko OkamuraTakashi HamaKenjiro Yoshioka
    • Hidetsugu ShimuraHajime KuriharaAkihiko IkegamiTakehiko OkamuraTakashi HamaKenjiro Yoshioka
    • G03G15/02
    • B82Y15/00G03G15/0216
    • A charger capable of reliably and uniformly maintaining a discharging gap formed in the vicinity of a contact portion between a charging member and a photosensitive member. A charging member 101 is arranged by supporting and fixing both ends of a flexible film 102 by means of support members 103 to 105. The film 102 forms a flexible portion oriented downwardly from fixed ends S1, S2. The film 102 is brought into contact with the member 110 to be charged in a state in which an unsupported side of the film 102 is oriented toward the downstream side in the rotating direction of the member 110 to be charged. Then, the film 102 is brought into contact with the member 110 to be charged in a contact area N, and the radius of curvature of the film 102 in a zone P2 located downstream of that zone N in the rotating direction of the member 110 to be charged becomes smaller than the radius of curvature of the film 102 in an upstream zone P1.
    • 一种能够可靠且均匀地保持形成在充电构件和感光构件之间的接触部分附近的放电间隙的充电器。 通过支撑构件103至105支撑和固定柔性膜102的两端来布置充电构件101.膜102形成从固定端S1,S2向下定向的柔性部分。 膜102与构件110接触,以使膜102的未支撑侧朝向要被充电的构件110的旋转方向的下游侧的状态进行充电。 然后,使膜102与构件110接触,以在接触区域N中被填充,并且膜102在位于构件110的旋转方向的下游的区域P2中的曲率半径为 被充电变得小于上游区域P1中的膜102的曲率半径。