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公开(公告)号：US4620249A
公开(公告)日：1986-10-28
申请号：US369682
申请日：1982-04-19
CPC分类号： G11B17/043 , G11B17/03 , G11B19/04 , G11B19/10
摘要： An apparatus for driving a floppy disc includes a first sensor responsive to a magnetic disc encased in a jacket of the floppy disc. Before the magnetic disc is gripper in a predetermined position, a d.c. motor included in a disc rotating mechanism is started in order to prevent rush current therethrough. After the start of the d.c. motor, a second sensor senses a return of the magnetic disc to a predetermined regular position whereupon a cone load drive source is activated to automatically move a cone toward a drive hub. Thus, the magnetic disc can be gripped and set in the regular position merely by inserting it into the apparatus. The apparatus also includes ejection apparatus for ejecting the floppy disc.
摘要翻译： 用于驱动软盘的装置包括响应于包在软盘的护套中的磁盘的第一传感器。 在磁盘被夹持在预定位置之前， 启动包括在盘旋转机构中的电动机以防止冲击电流通过。 d.c.开始后 电动机，第二传感器感测磁盘返回到预定的规则位置，于是启动锥形负载驱动源以自动将锥体朝向驱动轮毂移动。 因此，磁盘只能通过将其插入设备中而被夹持并设置在规定位置。 该装置还包括用于弹出软盘的排出装置。
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公开(公告)号：US20160041497A1
公开(公告)日：2016-02-11
申请号：US14886986
申请日：2015-10-19
申请人： Tetsuro Hirota , Hiroshi Hosokawa , Shunji katoh , Masayuki Yamane , Masahiro Watanabe , Shingo Nishizaki
发明人： Tetsuro Hirota , Hiroshi Hosokawa , Shunji katoh , Masayuki Yamane , Masahiro Watanabe , Shingo Nishizaki
IPC分类号： G03G15/08
CPC分类号： G03G15/0829 , G01N27/72 , G03G15/0848 , G03G15/0853
摘要： A magnetic permeability detector includes an LC oscillator circuit including a coil and a capacitor; and a resistor connected in series with the coil.
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公开(公告)号：US08897681B2
公开(公告)日：2014-11-25
申请号：US13222344
申请日：2011-08-31
申请人： Tetsuro Hirota , Hideki Kosugi , Masaaki Yamada , Atsushi Kurokawa , Hideyasu Seki , Yasuyuki Ishii
发明人： Tetsuro Hirota , Hideki Kosugi , Masaaki Yamada , Atsushi Kurokawa , Hideyasu Seki , Yasuyuki Ishii
CPC分类号： G03G15/0818 , G03G2215/0651
摘要： An image forming apparatus includes a latent image carrier to carry a latent image, a developing device having a toner carrier with first and second electrodes to develop the latent image by transferring the toner to a developing region between the toner carrier and the latent image carrier while causing the toner to hop between the first and second electrodes and attaching the hopping toner to the latent image, a pulsed power supply to output a first periodic pulse voltage having a mean potential the same as a normal toner charge and a second periodic pulse voltage, a smoothing circuit to make the first periodic pulse voltage smooth to generate a direct voltage, and a toner layer thickness regulator member to regulate, on receiving the direct voltage, a thickness of the toner layer in a region between a toner supply position at which toner is supplied and the developing region.
摘要翻译： 图像形成装置包括：潜像载体，用于承载潜像;显影装置，具有带有第一和第二电极的调色剂载体，以通过将调色剂转印到调色剂载体和潜像载体之间的显影区域来显影潜像，同时 使调色剂在第一和第二电极之间跳跃并将跳跃调色剂附着到潜像上，脉冲电源输出具有与正常调色剂电荷和第二周期性脉冲电压相同的平均电位的第一周期性脉冲电压， 使第一周期性脉冲电压平滑以产生直流电压的平滑电路;以及调色剂层厚度调节部件，其在接收到直接电压时，调节调色剂供给位置之间的区域中的调色剂层的厚度， 被供应和显影区域。
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4.发明授权Development device, process cartridge incorporating same, and image forming apparatus incorporating same 失效显影装置，结合其的处理盒，以及包含其的图像形成装置公开(公告)号：US08594540B2
公开(公告)日：2013-11-26
申请号：US13007104
申请日：2011-01-14
申请人： Tetsuro Hirota , Hideki Kosugi , Yoshiko Ogawa , Atsushi Kurokawa , Hideyasu Seki , Masaaki Yamada , Yuji Ishikura
发明人： Tetsuro Hirota , Hideki Kosugi , Yoshiko Ogawa , Atsushi Kurokawa , Hideyasu Seki , Masaaki Yamada , Yuji Ishikura
IPC分类号： G03G15/08
CPC分类号： G03G15/065 , G03G15/0808
摘要： A development device includes a toner carrier including first and second groups of electrodes, a toner supplier, and an electrical field generator. The electrical field generator includes a positive-phase pulse voltage generation circuit, a negative-phase pulse voltage generation circuit, a first DC power source for supplying a bias for setting a peak value of pulse voltages, a second DC power source to output a variable voltage having a polarity identical to a polarity of toner charge, a first diode having an anode connected to a lower potential side of the first DC power source and a cathode connected to an output terminal of the positive-phase pulse voltage generation circuit, and a second diode having an anode connected to the lower potential side of the first DC power source and a cathode connected to an output terminal of the negative-phase pulse voltage generation circuit.
摘要翻译： 显影装置包括包括第一和第二组电极的调色剂载体，调色剂供应器和电场发生器。 电场发生器包括正相脉冲电压产生电路，负相脉冲电压产生电路，用于提供用于设置脉冲电压峰值的偏置的第一直流电源，输出可变电压的第二直流电源 具有与调色剂电荷的极性相同的极性的电压，具有连接到第一直流电源的下电位侧的阳极的第一二极管和连接到正相脉冲电压产生电路的输出端的阴极，以及 第二二极管具有连接到第一直流电源的下电位侧的阳极和连接到负相脉冲电压产生电路的输出端的阴极。
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公开(公告)号：US08066348B2
公开(公告)日：2011-11-29
申请号：US12164377
申请日：2008-06-30
申请人： Tetsuro Hirota , Takumi Hagiwara , Kenichi Kawabata , Mamoru Yorimoto , Tetsu Morino , Noboru Sawayama
发明人： Tetsuro Hirota , Takumi Hagiwara , Kenichi Kawabata , Mamoru Yorimoto , Tetsu Morino , Noboru Sawayama
IPC分类号： B41J2/01
CPC分类号： B41J29/393 , B41J2/2142 , B41J19/207 , B41J29/38
摘要： An image forming apparatus includes a recording head, a water-repellent transfer belt, a pattern formation controller, a read unit, and a detection unit. The recording head has a plurality of nozzles aligned in a given direction, and ejects droplets of a liquid therefrom. The pattern formation controller directs each of the plurality of nozzles to eject the liquid to form a detection pattern on the transfer belt. The detection pattern has multiple droplets ejected from each of the plurality of nozzles sequentially arranged and spaced apart from each other both in the given direction and in a direction orthogonal to the given direction. The read unit includes a light emitting element and a light receiving element, and reads the detection pattern to output a read result. The detection unit detects a defective nozzle according to the read result.
摘要翻译： 图像形成装置包括记录头，防水转印带，图案形成控制器，读取单元和检测单元。 记录头具有沿给定方向排列的多个喷嘴，并从其喷出液滴。 图案形成控制器引导多个喷嘴中的每一个喷射液体以在转印带上形成检测图案。 检测图案具有从给定方向和与给定方向正交的方向上顺序排列和间隔开的多个喷嘴中的每一个排出的多个液滴。 读取单元包括发光元件和光接收元件，并且读取检测图案以输出读取结果。 检测单元根据读取结果来检测有缺陷的喷嘴。
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公开(公告)号：US5754202A
公开(公告)日：1998-05-19
申请号：US756053
申请日：1996-11-26
申请人： Takuro Sekiya , Takayuki Yamaguchi , Mitsuru Shingyouchi , Makoto Obu , Michio Umezawa , Tetsuro Hirota , Takesada Hirose , Hideki Ohtsuki , Toshihiro Takesue
发明人： Takuro Sekiya , Takayuki Yamaguchi , Mitsuru Shingyouchi , Makoto Obu , Michio Umezawa , Tetsuro Hirota , Takesada Hirose , Hideki Ohtsuki , Toshihiro Takesue
CPC分类号： B41J2/1631 , B41J2/14056 , B41J2/1412 , B41J2/14129 , B41J2/1433 , B41J2/1601 , B41J2/162 , B41J2/1634 , B41J2/1645 , B41J2002/14169
摘要： An ink jet recording apparatus includes a recording head for ejecting droplets of ink and a driving circuit for driving the recording head. The recording head includes a base, a plate on which a plurality of openings are formed; an ink chamber to be filled with ink being formed between the base and the plate; and heater elements, provided in the ink chamber so as to face the openings of the plate, each of which heater elements supplies heat energy to ink adjacent thereto so that the air bubble is generated on each of the heater elements and so that the air bubble grows toward a corresponding one of the openings. An area of each of the openings of the plate is greater than an area each of the heater elements. When the driving circuit activates each of the heater elements, a droplet of ink is ejected due to the air bubble from the corresponding one of the openings of the plate.
摘要翻译： 一种喷墨记录装置，包括用于喷射油墨的记录头和用于驱动记录头的驱动电路。 记录头包括基座，其上形成有多个开口的板; 要在基座和板之间形成墨水的墨水腔; 以及加热器元件，设置在墨室中以面对板的开口，每个加热器元件将热能供应到与其相邻的墨水，使得在每个加热器元件上产生气泡，并且使得气泡 朝向对应的一个开口生长。 板的每个开口的面积大于每个加热器元件的面积。 当驱动电路激活每个加热器元件时，由于来自板的对应的一个开口的气泡而喷射墨滴。
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公开(公告)号：US10114323B2
公开(公告)日：2018-10-30
申请号：US14641923
申请日：2015-03-09
摘要： A sheet size detector to detect a sheet size of a recording medium includes a movable member to move in a sheet size detection direction to a position corresponding to the sheet size, a magnetic flux detector including a coil disposed on a board face parallel to the sheet size detection direction to generate a magnetic flux in a direction perpendicular to the board face, and a target to oppose the board face and including a material to affect the magnetic flux. The target is different in configuration in the sheet size detection direction to change the magnetic flux in the direction perpendicular to the board face as the movable member moves. The magnetic flux detector outputs a signal corresponding to changes in magnetic flux in the direction perpendicular to the board face, and the signal corresponds to the position of the movable member.
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公开(公告)号：US09645538B2
公开(公告)日：2017-05-09
申请号：US15177620
申请日：2016-06-09
申请人： Masahiro Watanabe , Tetsuro Hirota
发明人： Masahiro Watanabe , Tetsuro Hirota
CPC分类号： G03G15/556 , G03G15/0849 , G03G21/1652 , G03G21/1839
摘要： A developing device includes a developer bearer disposed opposite an image bearer and configured to rotate and carry developer to a latent image on the image bearer, a developer container to contain the developer, a detector including a detecting portion to detect a density of toner in the developer in the developer container, a wire connected to the detector, and a wire holder to hold the wire and determine a position of the wire relative to the detector.
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公开(公告)号：US08948638B2
公开(公告)日：2015-02-03
申请号：US13215700
申请日：2011-08-23
申请人： Yuji Ishikura , Yasuyuki Ishii , Hideki Kosugi , Tetsuro Hirota , Masaaki Yamada , Yoshiko Ogawa , Atsushi Kurokawa , Hideyasu Seki , Masanori Horike , Shin Kayahara
发明人： Yuji Ishikura , Yasuyuki Ishii , Hideki Kosugi , Tetsuro Hirota , Masaaki Yamada , Yoshiko Ogawa , Atsushi Kurokawa , Hideyasu Seki , Masanori Horike , Shin Kayahara
CPC分类号： G03G15/0131 , G03G15/0189 , G03G15/1605
摘要： An image forming apparatus includes a latent image carrier; a latent image writer to write a latent image on the latent image carrier; a developing unit including a toner carrier having first and second electrodes insulated via an insulator member and a voltage applying unit to apply voltages to the first and second electrodes having a potential difference to generate first electric fields to cause the toner to hop from the toner carrier to the latent image carrier to develop a toner image; and a transfer unit to transfer the developed toner image to a transferring member. When alternating voltages having a same phase and same amplitude are applied to the first and second electrodes to form second electric fields between the latent image carrier and the toner carrier, the toner is discharged from the toner carrier to the latent image carrier in a toner discharge mode.
摘要翻译： 图像形成装置包括潜像载体; 潜像写入器，用于在潜像载体上写入潜像; 显影单元，包括具有通过绝缘体构件绝缘的第一和第二电极的调色剂载体和施加电压的电压施加到具有电位差的第一和第二电极，以产生第一电场，以使调色剂从调色剂载体 到潜像载体以形成调色剂图像; 以及将显影的调色剂图像转印到转印部件的转印单元。 当具有相同相位和相同振幅的交变电压施加到第一和第二电极以在潜像载体和调色剂载体之间形成第二电场时，调色剂在调色剂排出物中从调色剂载体排出到潜像载体 模式。
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10.发明授权Image forming apparatus and method of correcting deviation of shooting position 有权图像形成装置和校正拍摄位置偏差的方法公开(公告)号：US07992953B2
公开(公告)日：2011-08-09
申请号：US12047945
申请日：2008-03-13
申请人： Mamoru Yorimoto , Noboru Sawayama , Kenichi Kawabata , Tetsu Morino , Tetsuro Hirota , Takumi Hagiwara
发明人： Mamoru Yorimoto , Noboru Sawayama , Kenichi Kawabata , Tetsu Morino , Tetsuro Hirota , Takumi Hagiwara
IPC分类号： B41J29/38 , B41J29/393
CPC分类号： B41J29/38 , B41J19/207 , B41J29/393
摘要： An adjustment pattern, which is composed of a reference pattern made of plural independent liquid droplets and a pattern to be measured made of plural independent liquid droplets ejected under an ejection condition different from the reference pattern, is formed on a water-repellent conveying belt. Then, light is applied to the adjustment pattern to receive the regular reflection light from the adjustment pattern, so that the adjustment pattern is scanned. The distance between the respective patterns is measured based on the measured result. Finally, liquid droplet ejection timing of the recording head is corrected based on the result thus measured.
摘要翻译： 在防水输送带上形成有由多个独立液滴制成的基准图形和由与基准图案不同的喷射状态喷射的多个独立液滴所构成的图案构成的调整图案。 然后，将光施加到调整图案以接收来自调整图案的正反射光，从而扫描调整图案。 基于测量结果测量各个图案之间的距离。 最后，基于如此测量的结果校正记录头的液滴喷射定时。
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