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公开(公告)号：EP0277036B1
公开(公告)日：1994-07-27
申请号：EP88300790.8
申请日：1988-01-29
发明人： Murayama, Yasushi , Kanekura, Kazunori , Aoki, Tomohiro , Chiku, Kazuyoshi , Hirose, Yoshihiko , Uchida, Takashi , Matsuzawa, Kunihiko
CPC分类号： H04N1/506 , G03G15/0189 , G03G15/0194 , G03G2215/0119 , G06K15/129 , H04N1/1135
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公开(公告)号：EP0342936B1
公开(公告)日：1994-03-09
申请号：EP89304952.8
申请日：1989-05-16
发明人： Hirose, Yoshihiko , Arai, Hitoshi
CPC分类号： H04N3/08 , G02B26/128 , G02B27/0031 , H04N1/036 , H04N1/1135
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公开(公告)号：EP0291738B1
公开(公告)日：1993-09-22
申请号：EP88106767.2
申请日：1988-04-27
发明人： Murayama, Yasushi , Hoshino, Osamu , Chiku, Kazuyoshi , Sato, Yukio , Kubota, Yoichi , Miyagi, Ken , Hirose, Yoshihiko , Matsuzawa, Kunihiko , Miyake, Hiroyuki , Aoki, Tomohiro , Uchida, Takashi , Kanekura, Kazunori
CPC分类号： H04N1/047 , G03G15/0189 , G03G15/0194 , G03G15/1655 , G03G2215/0119 , G03G2215/0141 , H04N1/1135 , H04N1/12 , H04N1/506 , H04N2201/02416 , H04N2201/02425 , H04N2201/02439 , H04N2201/04712 , H04N2201/04722 , H04N2201/04729 , H04N2201/04731 , H04N2201/04734 , H04N2201/04751 , H04N2201/04755 , H04N2201/04781 , H04N2201/04789 , H04N2201/04791 , H04N2201/04794
摘要： There is provided a multiimage forming apparatus for forming image data onto photo sensitive drums by an electrophotographic system. This apparatus comprises: an image forming circuit to form different images onto the photo sensitive drums; a transfer device to transfer the images on the drums onto the same transfer paper; a conveying belt to convey the transfer paper; a control circuit to control the image forming circuit so as to form registration marks to match the positions of the images onto the drums; CCD detectors to detect the recording positions of the marks; and a correcting circuit to correct at least two of the positional direction in the conveying direction of the belt, the positional deviation in the direction perpendicular to the belt conveying direction, the magnification of the image, and the inclination of the image on the basis of the detection outputs of the detectors. With this apparatus, the positional deviations of the images which occur during the image formation can be accurately corrected, so that the images can be accurately formed on the transfer paper by reading and matching the position matching registration marks.
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公开(公告)号：EP0232136A2
公开(公告)日：1987-08-12
申请号：EP87300799.1
申请日：1987-01-29
CPC分类号： H01T19/00 , G03G15/0291 , G03G21/06
摘要： A device (1) for electrically discharging or charging a member (2) to be discharged or charged, includes a dielectric member (10), first and second electrodes (11, 12) embedded in the dielectric member (10), the first and second electrodes (11, 12) being supplied with an alternating voltage therebetween to cause discharge adjacent a part of a surface of the dielectric member (10) at a predetermined discharge starting voltage, a third electrode (13) disposed to or adjacent a part of the surface of the dielectric member (10) at such a position as when the discharge occurs by application of the alternating voltage between the first and second electrodes (11, 12), no discharge occurs between the first electrode (11) and the third electrode (13) or between the second electrode (12) and the third electrode (13), AC source (14) for applying an alternating voltage between the first electrode and the second electrode (11, 12), DC source (19) for applying a bias voltage between the third electrode (13) and the member to be discharged or charged (2).
摘要翻译： 该装置包括嵌入电介质构件（10）中的两个电极（11,12），在它们之间提供有交流电压（14）以引起邻近电介质构件（10）表面的一部分的放电（15） 在直流偏置电压源（19）施加直流偏置电压的同时，以预定的放电开始电压，在被充电的元件（2）的暴露电极（13）的导电层之间。 暴露的电极（13）位于电介质构件（10）的表面的附近或部分附近，使得当通过在第一和第二电极（11）之间施加AC电压（14）而发生放电（15）时， 12），在第一电极（11）和第三电极（13）之间或第二电极（12）和第三电极（13）之间不发生放电。
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公开(公告)号：EP0319241B1
公开(公告)日：1994-06-08
申请号：EP88311288.0
申请日：1988-11-29
发明人： Chiku, Kazuyoshi , Aoki, Tomohiro , Murayama, Yasushi , Hirose, Yoshihiko , Uchida, Takashi , Matsuzawa, Kunihiko , Kanekura, Kazunori
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , H04N1/047 , H04N1/1135 , H04N1/12 , H04N2201/02416 , H04N2201/04712 , H04N2201/04722 , H04N2201/04729 , H04N2201/04731 , H04N2201/04732 , H04N2201/04755 , H04N2201/04781 , H04N2201/04789 , H04N2201/04791
摘要： An image forming apparatus has a plurality of image forming stations (1C,1M,1Y,1Bk) capable of forming different images which are to be correctly registered and superimposed. Elimination of possible image misregistration in each image station is executed on the basis of the result of detection of register marks (9C,9M, 9Y, 9Bk, 10C, 10M, 10Y, 10Bk) which are formed by each image forming station (1C, 1M, 1Y, 1Bk). The correction is executed at a timing which is independent from image forming sequences performed by each image forming station in accordance with image signals, e.g., during warming-up of the apparatus after the initial application of the power immediately after the input of image forming operation start instruction through a start key,or after completion of production of a predetermined number of copies counted from the last misregistration correcting operation.
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公开(公告)号：EP0232136B1
公开(公告)日：1992-10-14
申请号：EP87300799.1
申请日：1987-01-29
CPC分类号： H01T19/00 , G03G15/0291 , G03G21/06
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公开(公告)号：EP0319241A3
公开(公告)日：1991-01-09
申请号：EP88311288.0
申请日：1988-11-29
发明人： Chiku, Kazuyoshi , Aoki, Tomohiro , Murayama, Yasushi , Hirose, Yoshihiko , Uchida, Takashi , Matsuzawa, Kunihiko , Kanekura, Kazunori
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , H04N1/047 , H04N1/1135 , H04N1/12 , H04N2201/02416 , H04N2201/04712 , H04N2201/04722 , H04N2201/04729 , H04N2201/04731 , H04N2201/04732 , H04N2201/04755 , H04N2201/04781 , H04N2201/04789 , H04N2201/04791
摘要： An image forming apparatus has a plurality of image forming stations (1C,1M,1Y,1Bk) capable of forming different images which are to be correctly registered and superimposed. Elimination of possible image misregistration in each image station is executed on the basis of the result of detection of register marks (9C,9M, 9Y, 9Bk, 10C, 10M, 10Y, 10Bk) which are formed by each image forming station (1C, 1M, 1Y, 1Bk). The correction is executed at a timing which is independent from image forming sequences performed by each image forming station in accordance with image signals, e.g., during warming-up of the apparatus after the initial application of the power immediately after the input of image forming operation start instruction through a start key,or after completion of production of a predetermined number of copies counted from the last misregistration correcting operation.
摘要翻译： 一种图像形成装置具有多个图像形成站（1C，1M，1Y，1Bk），所述多个图像形成站能够形成不同的图像，所述图像将被正确地配准和叠加。 基于由每个图像形成站（1C，1C）形成的套准标记（9C，9M，9Y，9Bk，10C，10M，10Y，10Bk）的检测结果来执行在每个图像站中消除可能的图像重合失调 1M，1Y，1Bk）。 例如，在输入图像形成操作之后立即在电源的初始施加之后对设备进行预热期间，根据图像信号在与每个图像形成站执行的图像形成序列无关的定时执行校正 通过开始键启动指令，或者在完成从最后的误对准校正操作开始计数的预定份数之后。
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公开(公告)号：EP0342936A2
公开(公告)日：1989-11-23
申请号：EP89304952.8
申请日：1989-05-16
发明人： Hirose, Yoshihiko , Arai, Hitoshi
CPC分类号： H04N3/08 , G02B26/128 , G02B27/0031 , H04N1/036 , H04N1/1135
摘要： A scanning optical apparatus according to the present invention comprises a light source (2), a modulator (1) for modulating a light flux emitted from the light source (2), an image forming device (6a, 6b, 6c) for forming an image of the light flux from the light source to a predetermined position, a deflector (5) for deflecting the light flux from the light source in a predetermined position, a photosensitive device (8) for sensing the light flux deflected by the deflector (5), an adjusting device (10) for adjusting an image forming position of the light flux by the image forming device (6a, 6b, 6c) in correspondence to a signal obtained by the photosensitive device (8) and an inhibiting device (11) for inhibiting the operation of the adjusting device (10) when the light flux emitted from the light source (2) is being modulated by the modulator (1) in correspondence to a predetermined signal. By the scanning optical apparatus of the invention, the focal deviation can be always stably corrected and a stable image with high density can be obtained.
摘要翻译： 根据本发明的扫描光学设备包括：光源（2）;调制器（1），用于调制从光源（2）发射的光通量;图像形成装置（6a，6b，6c），用于形成 （5），其用于将来自光源的光通量偏转到预定位置;光敏器件（8），其用于感测由偏转器（5）偏转的光通量 ），调整装置（10），用于根据由光敏装置（8）和禁止装置（11）获得的信号调整图像形成装置（6a，6b，6c）的光通量的图像形成位置; 用于当从光源（2）发射的光通量正被调制器（1）调制时，对应于预定信号来禁止调节装置（10）的操作。 通过本发明的扫描光学装置，可以始终稳定地校正焦点偏移，并且可以获得高密度的稳定图像。
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公开(公告)号：EP0342936A3
公开(公告)日：1990-04-11
申请号：EP89304952.8
申请日：1989-05-16
发明人： Hirose, Yoshihiko , Arai, Hitoshi
CPC分类号： H04N3/08 , G02B26/128 , G02B27/0031 , H04N1/036 , H04N1/1135
摘要： A scanning optical apparatus according to the present invention comprises a light source (2), a modulator (1) for modulating a light flux emitted from the light source (2), an image forming device (6a, 6b, 6c) for forming an image of the light flux from the light source to a predetermined position, a deflector (5) for deflecting the light flux from the light source in a predetermined position, a photosensitive device (8) for sensing the light flux deflected by the deflector (5), an adjusting device (10) for adjusting an image forming position of the light flux by the image forming device (6a, 6b, 6c) in correspondence to a signal obtained by the photosensitive device (8) and an inhibiting device (11) for inhibiting the operation of the adjusting device (10) when the light flux emitted from the light source (2) is being modulated by the modulator (1) in correspondence to a predetermined signal. By the scanning optical apparatus of the invention, the focal deviation can be always stably corrected and a stable image with high density can be obtained.
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公开(公告)号：EP0277036A3
公开(公告)日：1989-11-02
申请号：EP88300790.8
申请日：1988-01-29
发明人： Murayama, Yasushi , Kanekura, Kazunori , Aoki, Tomohiro , Chiku, Kazuyoshi , Hirose, Yoshihiko , Uchida, Takashi , Matsuzawa, Kunihiko
CPC分类号： H04N1/506 , G03G15/0189 , G03G15/0194 , G03G2215/0119 , G06K15/129 , H04N1/1135
摘要： An electrographic apparatus includes a plurality of photosensitive members (1) a plurality of laser projecting devices (3) for projecting deflecting laser beams for scanning the photosensitive members, the laser projecting devices being provided for the respective photosensitive members, mirrors (24) for receiving the laser beams projected from the laser projecting devices and reflecting them in a substantially reverse direction to scan the photosensitive members with the reversed laser beams, the mirrors being provided for the respective laser projecting devices. The apparatus may further includes adjusting devices, provided for the respective mirrors, for adjusting relative positions between the photosensitive members and associated ones of the mirrors.
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