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21. 发明申请

US20070269230A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20070269230A1
公开(公告)日：2007-11-22
申请号：US11744352
申请日：2007-05-04
申请人： Seiji HOSHINO , Takashi Hashimoto , Toshiyuki Andoh , Tatsuhiko Oikawa
发明人： Seiji HOSHINO , Takashi Hashimoto , Toshiyuki Andoh , Tatsuhiko Oikawa
IPC分类号： G03G15/16
CPC分类号： G03G15/167 , G03G2215/1614
摘要： An image forming apparatus includes an image carrier that carries an image and rotates, a transfer member that rotates in contact with the image carrier and transfers an image formed on the image carrier to a recording medium, a conveying unit that conveys the recording medium to a contact position where the image carrier and the transfer member come into contact with each other, and a gap forming unit that forms a gap between the image carrier and the transfer member at the contact position. The gap forming unit forms the gap immediately before the recording medium enters the contact position.
摘要翻译：图像形成装置包括承载图像并旋转的图像载体，与图像载体接触旋转的转印构件，将形成在图像载体上的图像转印到记录介质上，将记录介质传送到图像载体和转印构件彼此接触的接触位置;以及间隙形成单元，其在接触位置处在图像载体和转印构件之间形成间隙。间隙形成单元在记录介质进入接触位置之前形成间隙。

22. 发明授权

US6147766A Printing apparatus for increasing efficiency in transmitting image data between internal control units 失效
标题翻译：用于提高内部控制单元之间传输图像数据效率的打印设备
公开(公告)号：US6147766A
公开(公告)日：2000-11-14
申请号：US20280
申请日：1998-02-06
申请人： Yoshiaki Hanyu , Tetsuro Hirota , Tatsuhiko Oikawa
发明人： Yoshiaki Hanyu , Tetsuro Hirota , Tatsuhiko Oikawa
IPC分类号： B41J29/38 , G06F3/12 , G06K15/02 , G06F15/00
CPC分类号： G06K15/02 , G06K2215/0062 , G06K2215/0077
摘要： In a printing apparatus, a printer control unit transmits image data to an engine control unit for a respective one of a plurality of bands sent by a host computer. The image data of the respective one of the plurality of bands defines a pattern of "M" dots by "N" lines related to an image of a corresponding band where both "M" and "N" denote an integer. The printer control unit transmits a band information command to the engine control unit prior to the transmission of the image data. The band information command includes a band height, a print start dot position and a print end dot position, the band height indicative of a quantity of the image data transmitted, the print start dot position indicative of a position of a print start dot with respect to all the "N" lines in the image, and the print end dot position indicative of a position of a print end dot with respect to all the "N" lines in the image.
摘要翻译：在打印装置中，打印机控制单元将用于由主计算机发送的多个频带中的各个频带的图像数据发送到引擎控制单元。多个频带中的相应一个频带的图像数据定义与“M”和“N”表示整数的相应频带的图像相关的“N”行的“M”个点的模式。打印机控制单元在发送图像数据之前向发动机控制单元发送频带信息命令。频带信息命令包括频带高度，打印开始点位置和打印结束点位置，表示发送的图像数据量的频带高度，表示打印开始点的位置的打印开始点位置相对于到图像中的所有“N”行，并且打印结束点位置指示打印结束点相对于图像中的所有“N”行的位置。

23. 发明授权

US5029840A Automatic sheet feeder for an image recording apparatus 失效
标题翻译：用于图像记录装置的自动供纸器
公开(公告)号：US5029840A
公开(公告)日：1991-07-09
申请号：US397191
申请日：1989-08-23
申请人： Hiroyoshi Haga , Tatsuhiko Oikawa
发明人： Hiroyoshi Haga , Tatsuhiko Oikawa
IPC分类号： B65H3/52
CPC分类号： B65H3/5261
摘要： An automatic sheet feeder for feeding paper sheets one by one toward a body of an image recording apparatus has a feed roller and lap feed preventing device for preventing two or more paper sheets from being fed together. The lap feed preventing device is implemented as a reverse roller which is pressed against the feed roller and provided with a circumferential recess in a predetermined position thereof. When paper sheets each being formed with three holes for filing at spaced locations along the width thereof are used with the sheet feeder, the circumferential recess of the reverse roller coincides with the intermediate hole of each paper sheet being fed.
摘要翻译：用于一张一张地朝向图像记录装置的主体馈送纸张的自动供纸器具有用于防止两张或更多张纸张被馈送在一起的进给辊和卷料供给防止装置。搭接进给防止装置被实施为反向辊，其被压靠进给辊并在其预定位置设置有周向凹部。当每个形成有三个用于在其宽度的间隔位置处填充的孔的纸张与片材进给器一起使用时，反向辊的周向凹槽与被馈送的每个纸张的中间孔重合。

24. 发明授权

US06923520B2 Head driving unit and an image forming apparatus using the same 失效
标题翻译：头驱动单元和使用其的图像形成装置
公开(公告)号：US06923520B2
公开(公告)日：2005-08-02
申请号：US10172592
申请日：2002-06-14
申请人： Tatsuhiko Oikawa , Toshihito Kamei , Takashi Kimura , Sumiaki Aoki , Mikio Ohashi
发明人： Tatsuhiko Oikawa , Toshihito Kamei , Takashi Kimura , Sumiaki Aoki , Mikio Ohashi
IPC分类号： B41J2/045 , B41J2/055 , B41J2/205 , B41J29/38
CPC分类号： B41J2/04541 , B41J2/04578 , B41J2/0458 , B41J2/04581 , B41J2/04588 , B41J2/0459 , B41J2/04591 , B41J2/04595 , B41J2/04596 , B41J2002/14411
摘要： A head driving unit the generates a driving waveform, each driving waveform including a plurality of driving pulses, and selects one or more driving pulses to be applied to a liquid drop discharging head in response to data corresponding to an image. By selecting a plurality of selection signals that defines the driving pulses to be applied to the liquid discharging head, the head driving unit can change a recording density or record multiple value images.
摘要翻译：头驱动单元产生驱动波形，每个驱动波形包括多个驱动脉冲，并且响应于对应于图像的数据，选择要施加到液滴排放头的一个或多个驱动脉冲。通过选择限定要施加到液体排出头的驱动脉冲的多个选择信号，头驱动单元可以改变记录密度或记录多个值图像。

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