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1. 发明申请

US20050237374A1 Image forming apparatus 有权
公开(公告)号：US20050237374A1
公开(公告)日：2005-10-27
申请号：US11148650
申请日：2005-06-09
申请人： Tatsuhito Kataoka , Hirokazu Kodama
发明人： Tatsuhito Kataoka , Hirokazu Kodama
IPC分类号： B41J2/525 , G03G15/00 , G03G15/01 , G03G15/04 , G03G21/14 , H04N1/047 , H04N1/29 , H04N1/50 , B41J2/435 , B41J2/47
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , G03G2215/0161 , H04N1/047 , H04N2201/0082 , H04N2201/02425 , H04N2201/04712 , H04N2201/04722 , H04N2201/04729 , H04N2201/04731 , H04N2201/04732 , H04N2201/04751 , H04N2201/04786 , H04N2201/04789 , H04N2201/04791 , H04N2201/04793
摘要： An image forming apparatus includes a plurality of image forming stations each having an image carrier and forming an image on the image carrier; a mark detecting unit for detecting a plurality of registration correction marks formed on a recording medium by the plurality of image forming stations; a correction mechanism for correcting a position difference between images formed by the plurality of image forming stations in accordance with a detection result by the mark detecting unit; and a controller for independently controlling an image forming operation of each of the plurality of the image forming stations so that the image density of each of the registration correction marks formed by the plurality of image forming units has a different predetermined image density.

2. 发明授权

US06396858B2 Laser driving method and apparatus and image-forming apparatus 有权
标题翻译：激光驱动方法及装置及成像装置
公开(公告)号：US06396858B2
公开(公告)日：2002-05-28
申请号：US09257934
申请日：1999-02-26
申请人： Takayuki Kawakami , Tomobumi Nakayama , Isamu Sato , Tatsuhito Kataoka , Katsuhide Koga , Yukio Yokoyama
发明人： Takayuki Kawakami , Tomobumi Nakayama , Isamu Sato , Tatsuhito Kataoka , Katsuhide Koga , Yukio Yokoyama
IPC分类号： H01S313
CPC分类号： H01S5/0683 , H01S5/4025
摘要： A laser driving method is adapted for driving a plurality of laser emitting devices. A first current to be supplied to each of the plurality of laser emitting devices is always generated. A plurality of second currents controlled according to a control signal supplied from the outside are generated when necessary. The plurality of second currents are supplied to the respective laser emitting devices under supply of the respective first currents, thereby making the laser emitting devices emit respective laser beams. The plurality of laser emitting devices are caused to emit the laser beams in time division at predetermined timing to detect each of emitted light amounts by one laser monitor. Adjustment is made to at least one of the first current and the second current supplied to each of the laser emitting devices according to a plurality of detected light amounts detected. Supply of the current to the laser emitting devices not driven is stopped when the plurality of laser emitting devices are adjusted in light amount in time division.
摘要翻译：激光驱动方法适于驱动多个激光发射装置。始终产生要提供给多个激光发射装置中的每一个的第一电流。当需要时，产生根据从外部提供的控制信号控制的多个第二电流。多个第二电流在各自的第一电流的供给下被提供给各个激光发射装置，从而使激光发射装置发射各自的激光束。使多个激光发射装置在预定定时以时分方式发射激光，以通过一个激光监视器检测每个发射光量。根据检测到的多个检测光量，对提供给每个激光发射装置的第一电流和第二电流中的至少一个进行调整。在多个激光发射装置以时间分光调整的情况下，停止向未驱动的激光发射装置提供电流。

3. 发明授权

US06930786B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US06930786B2
公开(公告)日：2005-08-16
申请号：US09726463
申请日：2000-11-29
申请人： Tatsuhito Kataoka , Hirokazu Kodama
发明人： Tatsuhito Kataoka , Hirokazu Kodama
IPC分类号： B41J2/525 , G03G15/00 , G03G15/01 , G03G15/04 , G03G21/14 , H04N1/047 , H04N1/29 , H04N1/50 , G06F15/00
CPC分类号： H04N1/506 , G03G15/0194 , G03G2215/0119 , G03G2215/0161 , H04N1/047 , H04N2201/0082 , H04N2201/02425 , H04N2201/04712 , H04N2201/04722 , H04N2201/04729 , H04N2201/04731 , H04N2201/04732 , H04N2201/04751 , H04N2201/04786 , H04N2201/04789 , H04N2201/04791 , H04N2201/04793
摘要： An image forming apparatus includes a plurality of image forming stations each having an image carrier and forming an image on the image carrier; a mark detecting unit for detecting a plurality of registration correction marks formed on a recording medium by the plurality of image forming stations; a correction mechanism for correcting a position difference between images formed by the plurality of image forming stations in accordance with a detection result by the mark detecting unit; and a controller for independently controlling an image forming operation of each of the plurality of the image forming stations so that the image density of each of the registration correction marks formed by the plurality of image forming units has a different predetermined image density.
摘要翻译：图像形成装置包括多个图像形成站，每个图像形成站具有图像载体并在图像载体上形成图像; 标记检测单元，用于检测由多个图像形成站形成在记录介质上的多个对准校正标记; 校正机构，用于根据标记检测单元的检测结果来校正由多个图像形成站形成的图像之间的位置差异; 以及控制器，用于独立地控制多个图像形成站中的每个图像形成站的图像形成操作，使得由多个图像形成单元形成的每个登记校正标记的图像浓度具有不同的预定图像浓度。

4. 发明授权

US06266078B1 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US06266078B1
公开(公告)日：2001-07-24
申请号：US09219599
申请日：1998-12-23
申请人： Katsuhide Koga , Tomobumi Nakayama , Isamu Sato , Tatsuhito Kataoka , Yukio Yokoyama , Takayuki Kawakami
发明人： Katsuhide Koga , Tomobumi Nakayama , Isamu Sato , Tatsuhito Kataoka , Yukio Yokoyama , Takayuki Kawakami
IPC分类号： B41J2435
CPC分类号： H04N1/4005 , G02B26/123 , G06K15/1204 , H04N1/40037
摘要： An image forming apparatus, including a driving circuit for a multichip laser chip, which can limit or interrupt emission of laser light sources in accordance with a result of comparison of an optical output of each laser light source with a limiting value during time-division control is provided. The apparatus includes a plurality of laser light source, a light-amount control device for controlling an optical output of a laser beam from each of the plurality of laser light sources to a constant amount of light by performing time division processing, and a light detection device for detecting optical outputs of the plurality of laser light sources. The light detection device includes sensor units whose number is smaller than the number of the plurality of laser light sources. The apparatus also includes a limiting-value setting device for setting a limiting value for each optical output, a comparison device for comparing a time-division detection signal for a laser beam detected by the light detection device with the limiting value set by the limiting-value setting means during the time-division light-amount control by the light-amount control device, an emission control device for controlling emission of the plurality of laser light sources in accordance with an output signal from the comparison device, and a recording medium on which an image is formed by the plurality of laser beams.
摘要翻译：一种图像形成装置，包括用于多芯片激光芯片的驱动电路，其可以根据在每个激光光源的光输出与在时分控制期间的限制值进行比较的结果来限制或中断激光光源的发射被提供。该装置包括多个激光光源，光量控制装置，用于通过执行时分处理来控制来自多个激光源中的每一个的激光束的光输出到恒定量的光，以及光检测用于检测多个激光光源的光输出的装置。光检测装置包括数量小于多个激光光源的数量的传感器单元。该装置还包括用于设置每个光学输出的限制值的限制值设置装置，用于将由光检测装置检测的激光束的时分检测信号与由限制值设定的限制值进行比较的比较装置，在光量控制装置的分时光量控制期间的值设定装置，根据来自比较装置的输出信号控制多个激光光源的发射的发光控制装置，以及记录介质由多个激光束形成图像。

5. 发明授权

US5508825A Image processing system having automatic focusing device 失效
标题翻译：图像处理系统具有自动聚焦装置
公开(公告)号：US5508825A
公开(公告)日：1996-04-16
申请号：US161445
申请日：1993-12-06
申请人： Tatsuhito Kataoka
发明人： Tatsuhito Kataoka
IPC分类号： G02B7/38 , G02B7/28 , G03B13/36 , H04N1/00 , H04N1/028 , H04N1/04 , H04N1/19 , H04N1/193 , H04N5/232
CPC分类号： G02B7/28 , H04N1/00795 , H04N1/02409 , H04N5/23212 , H04N1/193 , H04N2201/0404
摘要： An image processing device for processing an image formed by a lens on a sensor through an automatic focusing device is arranged to move the lens, in cases where no adequate image is formable on the sensor, to a position determined on the basis of a plurality of lens positions previously obtained with the image formed under the control of the automatic focusing device.
摘要翻译：一种用于通过自动对焦装置在透镜上处理由透镜形成的图像的图像处理装置被布置成在传感器上不能形成足够的图像的情况下将透镜移动到基于多个在由自动聚焦装置的控制下形成的图像获得的透镜位置。

6. 发明授权

US06990299B2 Image fixing device with phase controlled heaters 失效
标题翻译：具有相位控制加热器的图像定影装置
公开(公告)号：US06990299B2
公开(公告)日：2006-01-24
申请号：US10643930
申请日：2003-08-20
申请人： Tatsuhito Kataoka
发明人： Tatsuhito Kataoka
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/80
摘要： An image fixing apparatus has a first rotatable member heated by a first heater and a first temperature detecting element for detecting its temperature; a first controller for controlling electric supply to the first heater to maintain a detected temperature of the first temperature detecting element at a first target temperature; a second rotatable member heated by a second heater and forming a fixing nip with the first rotatable member; a second temperature detecting element for detecting a temperature of the second rotatable member, a second controller for controlling electric supply to the second heater to maintain the detected temperature of the second temperature detecting element at a second target temperature; and a phase controller for controlling electric energy supply phase so as to avoid overlapping of a phase of an electric power supply to the first heater and a phase of an electric power supply to the second heater.
摘要翻译：图像定影装置具有由第一加热器加热的第一旋转构件和用于检测其温度的第一温度检测元件; 用于控制向第一加热器供电以将第一温度检测元件的检测温度维持在第一目标温度的第一控制器; 第二可旋转构件，由第二加热器加热并与第一可旋转构件形成定影辊隙; 用于检测第二可旋转构件的温度的第二温度检测元件，用于控制向第二加热器供电以将第二温度检测元件的检测温度维持在第二目标温度的第二控制器; 以及相位控制器，用于控制电力供应相位，以避免电力供应的相位与第一加热器的重叠和向第二加热器供电的相位。

7. 发明授权

US06311039B1 Sheet conveying apparatus and image forming apparatus provided with the same 有权
标题翻译：纸张输送装置和具有该纸张的图像形成装置
公开(公告)号：US06311039B1
公开(公告)日：2001-10-30
申请号：US09425732
申请日：1999-10-22
申请人： Yoshihiro Funamizu , Kazuhiko Hirooka , Tatsuhito Kataoka , Katsumi Takahashi
发明人： Yoshihiro Funamizu , Kazuhiko Hirooka , Tatsuhito Kataoka , Katsumi Takahashi
IPC分类号： G03G1500
CPC分类号： B65H9/004 , B65H5/34 , B65H9/106 , B65H2404/7231 , B65H2511/22 , G03G15/6529 , G03G15/6564 , G03G2215/00548 , G03G2215/00556 , G03G2215/00721 , B65H2220/01
摘要： A sheet conveying apparatus is provided with a sheet feeding device for feeding sheets from a sheet supporting device on which the sheets are supported, a first sheet conveying device, a second sheet conveying device and a third sheet conveying device successively disposed downstream of the sheet supporting device with respect to the feeding direction of the sheets for conveying the sheets, a sheet interval judging device for detecting the passage of the sheets between the second sheet conveying device and the third sheet conveying device, and judging whether the interval between the sheets is a predetermined interval, and control device for controlling the sheet feeding device, the first sheet conveying device and the second sheet conveying device so that the sheets can be conveyed at the predetermined interval on the basis of the judgement of the sheet interval judging device.
摘要翻译：片材输送装置设置有用于从其上支撑片材的片材支撑装置供给片材的片材进给装置，第一片材输送装置，第二片材输送装置和连续设置在片材支撑件的下游的第三片材输送装置相对于用于输送纸张的纸张的进给方向的装置，用于检测纸张在第二纸张输送装置和第三纸张输送装置之间的通过的纸张间隔判断装置，并且判断纸张之间的间隔是否为以及用于控制送纸装置，第一纸张传送装置和第二纸张传送装置的控制装置，使得可以基于纸张间隔判断装置的判断以预定间隔输送纸张。

8. 发明授权

US6070023A Image forming apparatus with back sheet portion determination for a booklet surface sheet 失效
标题翻译：具有用于小册子表片的背片部分确定的图像形成装置
公开(公告)号：US6070023A
公开(公告)日：2000-05-30
申请号：US982342
申请日：1997-12-02
申请人： Tatsuhito Kataoka
发明人： Tatsuhito Kataoka
IPC分类号： B65H37/04 , G03G15/00
CPC分类号： G03G15/6514 , G03G2215/00869
摘要： When a surface sheet manufacture mode is selected, a CPU calculates a size of a back sheet portion of a surface sheet, on the basis of a sheet thickness detected by a sheet thickness detect portion, a consumed toner amount calculated by an estimate circuit and the number of transfer materials counted. After the predetermined number of imaged transfer materials are outputted, a transfer material having a size accommodating with the calculated size of the back sheet portion, whereby information for determining the size of back sheet portion of the surface sheet can be inputted correctly.
摘要翻译：当选择表面片材制造模式时，CPU基于由片材厚度检测部分检测到的片材厚度，由估计电路计算的消耗的调色剂量和转印材料数量。在输出预定数量的成像转印材料之后，可以正确地输入用于确定表面片材的背片部分尺寸的信息的尺寸适合于背片部分的计算尺寸的转印材料。

9. 发明授权

US07088937B2 Image fixing device with phase controlled heaters 有权
标题翻译：具有相位控制加热器的图像定影装置
公开(公告)号：US07088937B2
公开(公告)日：2006-08-08
申请号：US11121136
申请日：2005-05-04
申请人： Tatsuhito Kataoka
发明人： Tatsuhito Kataoka
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/80
摘要： An image fixing apparatus has a first rotatable member heated by a first heater and a first temperature detecting element for detecting its temperature; a first controller for controlling electric supply to the first heater to maintain a detected temperature of the first temperature detecting element at a first target temperature; a second rotatable member heated by a second heater and forming a fixing nip with the first rotatable member; a second temperature detecting element for detecting a temperature of the second rotatable member; a second controller for controlling electric supply to the second heater to maintain the detected temperature of the second temperature detecting element at a second target temperature; and a phase controller for controlling electric energy supply phase so as to avoid overlapping of a phase of an electric power supply to the first heater and a phase of an electric power supply to the second heater.
摘要翻译：图像定影装置具有由第一加热器加热的第一旋转构件和用于检测其温度的第一温度检测元件; 用于控制向第一加热器供电以将第一温度检测元件的检测温度维持在第一目标温度的第一控制器; 第二可旋转构件，由第二加热器加热并与第一可旋转构件形成定影辊隙; 第二温度检测元件，用于检测第二可旋转部件的温度; 第二控制器，用于控制向所述第二加热器供电以将所述第二温度检测元件的检测温度维持在第二目标温度; 以及相位控制器，用于控制电力供应相位，以避免电力供应的相位与第一加热器的重叠和向第二加热器供电的相位。

10. 发明授权

US06654572B2 Image fixing device with phase controlled heaters 失效
标题翻译：具有相位控制加热器的图像定影装置
公开(公告)号：US06654572B2
公开(公告)日：2003-11-25
申请号：US10013356
申请日：2001-12-13
申请人： Tatsuhito Kataoka
发明人： Tatsuhito Kataoka
IPC分类号： G03G1520
CPC分类号： G03G15/2039 , G03G15/80
摘要： An image fixing apparatus includes a first rotatable member for being heated by a first heater; a first temperature detecting element for detecting a temperature of the first rotatable member; first control for controlling electric energy supply through the first heater so as to maintain a detected temperature of the first temperature detecting element at a first target temperature; a second rotatable member for being heated by the second heater, the second rotatable member constituting a fixing nip with the first rotatable member; a second temperature detecting element for detecting a temperature of the second rotatable member; a second control for controlling electric energy supply to the second heater so as to maintain the detected temperature of the second temperature detecting element at a second target temperature; and phase control for controlling electric energy supply phase so as to avoid overlapping of a phase of an electric power supply to the first heater and a phase of an electric power supply to the second heater.
摘要翻译：图像定影装置包括：第一可旋转构件，用于被第一加热器加热; 用于检测第一可旋转构件的温度的第一温度检测元件; 用于控制通过第一加热器供电的第一控制，以将第一温度检测元件的检测温度保持在第一目标温度; 第二可旋转构件，用于被第二加热器加热，第二可旋转构件与第一可旋转构件构成定影夹持部; 第二温度检测元件，用于检测第二可旋转部件的温度; 用于控制向第二加热器供电的第二控制，以将第二温度检测元件的检测温度保持在第二目标温度; 以及用于控制电力供应相位的相位控制，以避免电源相对于第一加热器的相位和向第二加热器供电的相位。

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