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1. 发明授权

US5424814A Developing device with microfields formed on developer carrier 失效
标题翻译：在显影剂载体上形成微场的显影装置
公开(公告)号：US5424814A
公开(公告)日：1995-06-13
申请号：US998667
申请日：1992-12-30
申请人： Koji Suzuki , Katsuhiro Aoki , Yuichi Ueno , Akira Sawada , Naoki Iwata , Takatsugu Fujishiro , Shigeki Sawa
发明人： Koji Suzuki , Katsuhiro Aoki , Yuichi Ueno , Akira Sawada , Naoki Iwata , Takatsugu Fujishiro , Shigeki Sawa
IPC分类号： G03G15/08 , G03G13/08
CPC分类号： G03G15/0806 , G03G2215/0861
摘要： A developing device for an image forming apparatus and using a one component type developer. The developer is transferred from a developer supply member to a developer carrier which are so rotated as to move in the same direction at a position where they contact each other. This prevents the developer from a toner storing section from directly reaching part of the developer carrier having moved away from the contact position despite the movement of the developer supply member. Conductive portions connected to ground and dielectric portions each having a small area are distributed regularly or irregularly on the surface of the developer carrier. Such a surface of the developer carrier is charged by friction by the developer supply member with the result that a great number of microfields are formed in the vicinity of the developer carrier. The microfields allow only the developer sufficiently charged by friction at the contact position to form multiple layers on the surface of the developer carrier. Consequently, the toner with a desired amount of charge and containing a minimum of uncharged toner can form multiple layers on the developer carrier and is transferred to an image carrier.
摘要翻译：一种用于图像形成装置和使用单组分型显影剂的显影装置。显影剂从显影剂供应构件转移到显影剂载体，显影剂载体如此旋转以在它们彼此接触的位置沿相同方向移动。这防止显影剂供应构件的移动而使调色剂存储部分的显影剂直接到达显影剂载体的已远离接触位置的部分。连接到接地的导电部分和各自具有小面积的电介质部分规则地或不规则地分布在显影剂载体的表面上。显影剂载体的这种表面由显影剂供应构件的摩擦带电，结果是在显影剂载体附近形成大量的微场。微场仅允许在接触位置处通过摩擦力充分充电的显影剂在显影剂载体的表面上形成多个层。因此，具有期望量的电荷并且含有最少不带电调色剂的调色剂可以在显影剂载体上形成多个层并被转印到图像载体上。

2. 发明授权

US5339141A Developing device with a developer carrier capable of forming numerous microfields thereon 失效
标题翻译：具有能够在其上形成许多微场的显影剂载体的显影装置
公开(公告)号：US5339141A
公开(公告)日：1994-08-16
申请号：US18258
申请日：1993-02-16
申请人： Koji Suzuki , Yuichi Ueno , Katsuhiro Aoki , Naoki Iwata , Akira Sawada , Takatsugu Fujishiro
发明人： Koji Suzuki , Yuichi Ueno , Katsuhiro Aoki , Naoki Iwata , Akira Sawada , Takatsugu Fujishiro
IPC分类号： G03G15/08 , G03G21/00
CPC分类号： G03G15/0818
摘要： A developing device applicable to an electrophotographic copier, facsimile transceiver, laser printer or similar image forming apparatus and having a developing roller for carrying a nonmagnetic single component type developer, i.e., a toner and a toner supply roller for supplying the toner to the developing roller. The developing roller has dielectric portions and conductive portions each having a small area and distributed together on the surface thereof. The conductive portions are connected to ground and have a volume resistivity of 10.sup.6 .OMEGA.cm or below. The toner supply roller is made up of a metallic core and an elastic foam layer provided on the core and having conductivity and a predetermined frictional charging characteristic. A potential difference is set up between the developing roller and the toner supply roller to generate electric fields which act on a frictionally charged toner as a force directed from the toner supply roller toward the developing roller. Micropores existing in the surface of the toner supply roller have a depth and a size selected in such a manner as not to disturb microfields formed by frictional charges deposited on the dielectric portions. The two different kinds of electric fields exist together to enhance the supply of charged toner. To eliminate leaks between the two rollers, one of the rollers is semiconductive while the other roller is conductive, and use is made of a toner whose resistance is greater than predetermined one.
摘要翻译：一种适用于电子照相复印机，传真收发机，激光打印机或类似图像形成装置的显影装置，并且具有用于承载非磁性单组分型显影剂的显影辊，即用于将调色剂供给到显影辊的调色剂和调色剂供应辊。显影辊具有各自具有小面积并且在其表面上分布在一起的电介质部分和导电部分。导电部分连接到地面上，体积电阻率为10 6欧姆·厘米或以下。调色剂供应辊由金属芯和设置在芯上的弹性泡沫层构成，具有导电性和预定的摩擦带电特性。在显影辊和调色剂供应辊之间建立电位差，以产生作用于摩擦带电的调色剂的电场，作为从调色剂供应辊朝向显影辊的力。存在于调色剂供应辊的表面中的微孔具有选择的深度和尺寸，以便不会妨碍沉积在电介质部分上的摩擦电荷形成的微场。两种不同的电场一起存在，以增强带电调色剂的供应。为了消除两个辊之间的泄漏，其中一个辊是半导体的，而另一个辊是导电的，并且使用电阻大于预定的调色剂。

3. 发明授权

US5565973A Rotary developing device for an image forming apparatus 失效
标题翻译：用于图像形成装置的旋转显影装置
公开(公告)号：US5565973A
公开(公告)日：1996-10-15
申请号：US420058
申请日：1995-04-11
申请人： Takatsugu Fujishiro , Hiroyuki Matsushiro , Noriyuki Kimura , Katsuhiro Aoki , Yuichi Ueno , Chiyako Kobayashi , Minoru Suzuki , Tomoji Ishikawa
发明人： Takatsugu Fujishiro , Hiroyuki Matsushiro , Noriyuki Kimura , Katsuhiro Aoki , Yuichi Ueno , Chiyako Kobayashi , Minoru Suzuki , Tomoji Ishikawa
IPC分类号： G03G21/18 , G03G15/01 , G03G15/08 , G06K7/00 , G06K7/10
CPC分类号： G03G15/0126 , G03G2215/0177
摘要： In an image forming apparatus, a rotary developing device effects development by revolving a plurality of developing sections around a rotary shaft until any one of them reaches a developing position where it faces an image carrier. Cartridges are respectively mounted to hoppers included in the developing sections. Guides are provided on the inner periphery of each cartridge in order to guide toner, moving due to the revolution or the developing device, toward a toner outlet formed in the cartridge. Even when the amount of toner remaining in the cartridge is small, the entire toner is replenished into the associated hopper and fully consumed.
摘要翻译：在图像形成装置中，旋转显影装置通过使旋转轴周围的多个显影部旋转，直到其中任何一个到达其与图像载体相对的显影位置来实现显影。墨盒分别安装在包括在显影部分中的料斗上。引导件设置在每个卡盘的内周上，以便引导调色剂由于转动或显影装置而移动到形成在墨盒中的调色剂出口。即使在墨盒中剩余的墨粉量很小的情况下，整个调色剂补充到相关的料斗中并被完全消耗。

4. 发明授权

US06788913B1 Image forming apparatus method and developing device to obtain a stable image density 失效
标题翻译：图像形成装置的方法和显影装置获得稳定的图像密度
公开(公告)号：US06788913B1
公开(公告)日：2004-09-07
申请号：US09535158
申请日：2000-03-24
申请人： Katsuhiro Aoki , Takatsugu Fujishiro
发明人： Katsuhiro Aoki , Takatsugu Fujishiro
IPC分类号： G03G1508
CPC分类号： G03G15/0806
摘要： An image forming apparatus includes a latent image bearing member and a developing device for performing a two-level developing operation according to a threshold value of a potential on the latent image bearing member using a one-component developer including toner particles. The developing device has a conveyor to convey the developer to a developing area where the conveyor is spaced from the opposing latent image bearing member by a developing gap. The developing device also has a thin layer forming device to form the developer on the conveyor into a uniform thin layer. A developing bias voltage is applied to the conveyor when the two-level developing operation is performed and developing conditions are established such that an amount of the developer that is moved to and adheres to the latent image bearing member image area is saturated.
摘要翻译：图像形成装置包括潜像承载部件和显影装置，用于使用包括调色剂颗粒的单组分显影剂，根据潜像承载部件上的电势的阈值进行两级显影操作。显影装置具有将显影剂输送到显影区域的输送机，其中输送机通过显影间隙与相对的潜像承载部件间隔开。显影装置还具有薄层形成装置，以将传送器上的显影剂形成均匀的薄层。当执行两级显影操作并且建立显影条件使得移动并粘附到潜像承载部件图像区域的显影剂的量饱和时，将显影偏压施加到输送器。

5. 发明授权

US5655193A Developing device for image forming apparatus with toner recirculation operation 失效
标题翻译：具有调色剂再循环操作的图像形成装置的显影装置
公开(公告)号：US5655193A
公开(公告)日：1997-08-05
申请号：US529444
申请日：1995-09-18
申请人： Takatsugu Fujishiro , Minoru Suzuki , Hiroyuki Matsushiro , Noriyuki Kimura , Katsuhiro Aoki , Chiyako Kobayashi
发明人： Takatsugu Fujishiro , Minoru Suzuki , Hiroyuki Matsushiro , Noriyuki Kimura , Katsuhiro Aoki , Chiyako Kobayashi
IPC分类号： G03G15/08
CPC分类号： G03G15/0822 , G03G2215/0819
摘要： A developing device capable of obviating the cohesion of toner and reducing the amount of dead toner is disclosed. The device has a developing unit accommodating a first and a second screw therein. The first and second screws extend from the toner hopper to the other longitudinal end of the developing unit in parallel to a developing roller and a supply roller. The first screw feeds toner from a toner hopper to a developing section. The second screw collects toner not contributed to development from the developing section and returns it to the first screw for recirculation. In this configuration, the collected toner and dead toner aggregating in the lower portion of the developing unit are forcibly moved to the developing section. The direction in which the screw portion of the second screw is inclined may be partly reversed to form a reverse transfer portion. Alternatively, a part of a casing adjoining the hopper may be implemented as a slant. The reverse transfer portion or the slant recirculates the toner more forcibly.
摘要翻译：公开了能够消除调色剂的内聚力并减少死色调色剂量的显影装置。该装置具有容纳第一和第二螺丝的显影单元。第一和第二螺丝平行于显影辊和供给辊从调色剂料斗延伸到显影单元的另一纵向端。第一螺杆将调色剂从调色剂料斗送入显影部分。第二螺丝收集未显影的调色剂并将其返回到用于再循环的第一螺杆。在这种结构中，收集的调色剂和在显影单元的下部中聚集的死色调剂被强制地移动到显影部分。第二螺钉的螺纹部分倾斜的方向可以部分地反向以形成反向转移部分。或者，与漏斗相邻的壳体的一部分可以实现为倾斜。反向转印部分或倾斜剂更强制地再循环调色剂。

6. 发明授权

US09008556B2 Development device and image forming apparatus and process unit incorporating same 有权
标题翻译：显影装置和图像形成装置及其结合的处理装置
公开(公告)号：US09008556B2
公开(公告)日：2015-04-14
申请号：US13799085
申请日：2013-03-13
申请人： Yuuji Ishikura , Katsuhiro Aoki , Masaaki Yamada , Masayuki Yamane , Atsushi Kurokawa , Yuuki Satoh
发明人： Yuuji Ishikura , Katsuhiro Aoki , Masaaki Yamada , Masayuki Yamane , Atsushi Kurokawa , Yuuki Satoh
IPC分类号： G03G15/08
CPC分类号： G03G15/0812 , G03G15/0818
摘要： A development device includes a developer bearer to carry developer thereon and receive a development bias and a developer regulator to adjust an amount of developer carried on the developer bearer. Multiple recesses recessed from a reference surface area are formed in a surface of the developer bearer, the developer bearer includes a conductive base in which the recesses are formed, and the conductive base in the reference surface area is coated with an insulative surface layer.
摘要翻译：显影装置包括用于在其上承载显影剂的显影剂载体并接收显影偏压和显影剂调节器以调节显影剂载体承载的显影剂的量。在显影剂载体的表面上形成有从参考表面区域凹进的多个凹部，显影剂载体包括其中形成凹部的导电基底，并且参考表面区域中的导电基底涂覆有绝缘表面层。

7. 发明申请

US20120213557A1 DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND DEVELOPING METHOD 有权
标题翻译：开发设备，图像形成装置和开发方法
公开(公告)号：US20120213557A1
公开(公告)日：2012-08-23
申请号：US13365852
申请日：2012-02-03
申请人： Daichi Yamaguchi , Katsuhiro Aoki , Akihiro Kawakami
发明人： Daichi Yamaguchi , Katsuhiro Aoki , Akihiro Kawakami
IPC分类号： G03G15/09
CPC分类号： G03G15/0813 , G03G15/0893
摘要： A developing device includes: a first developer carrier that is moved in a same direction as a moving direction of a latent image carrier at a faster linear speed than the latent image carrier; a second developer carrier that further develops the obtained toner image and that is moved in a same direction at a faster linear speed than the latent image carrier; and a bias output unit that outputs a developing bias to be applied to the second developer carrier. The developing bias includes a direct-current component and a non-rectangular alternating-current component whose waveform has a gentle edge at which a direction of an electric field between the second developer carrier and a background portion of the latent image carrier is changed to a direction in which the toner is moved from the background portion toward the second developer carrier.
摘要翻译：显影装置包括：第一显影剂载体，其以比潜像载体更快的线速度在与潜像载体的移动方向相同的方向上移动; 第二显影剂载体，其进一步显影所获得的调色剂图像，并且以比潜像载体更快的线速度在相同方向上移动; 以及偏置输出单元，其输出要施加到第二显影剂载体的显影偏压。显影偏压包括直流分量和非矩形交流分量，其波形具有平缓的边缘，第二显影剂载体和潜像载体的背景部分之间的电场的方向改变为调色剂从背景部分朝向第二显影剂载体移动的方向。

8. 发明申请

US20080261768A1 Driving device or image forming apparatus 失效
标题翻译：驱动装置或图像形成装置
公开(公告)号：US20080261768A1
公开(公告)日：2008-10-23
申请号：US12081305
申请日：2008-04-14
申请人： Katsuaki Miyawaki , Tetsuo Watanabe , Takeo Tsukamoto , Katsuhiro Aoki , Kei Yasutomi , Hitoshi Maruyama , Hiroshi Ikeguchi
发明人： Katsuaki Miyawaki , Tetsuo Watanabe , Takeo Tsukamoto , Katsuhiro Aoki , Kei Yasutomi , Hitoshi Maruyama , Hiroshi Ikeguchi
IPC分类号： G03G15/01 , F16H3/44
CPC分类号： G03G15/757 , G03G2215/017 , G03G2221/1657
摘要： A rotary-body driving-force transmitting mechanism transmits a driving force from a driving-force source to a rotary body. A rotary-inertial-body driving-force transmitting mechanism transmits the driving force to a rotary inertial body that suppresses a velocity fluctuation in the rotary body. A rotational velocity shift mechanism shifts the rotational velocity. The rotary inertial body, the rotary-body driving-force transmitting mechanism, and the rotary-inertial-body driving-force transmitting mechanism are provided coaxially with a rotary shaft of the rotary body. A satellite frictional gear mechanism is used as the rotational velocity shift mechanism.
摘要翻译：旋转体驱动力传递机构将来自驱动力源的驱动力传递到旋转体。旋转惯性体驱动力传递机构将驱动力传递到抑制旋转体中的速度波动的旋转惯性体。旋转速度移动机构使旋转速度移动。旋转惯性体，旋转体驱动力传递机构和旋转惯性体驱动力传递机构与旋转体的旋转轴同轴地设置。使用卫星摩擦齿轮机构作为转速移动机构。

9. 发明授权

US06901233B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US06901233B2
公开(公告)日：2005-05-31
申请号：US10732482
申请日：2003-12-11
申请人： Katsuhiro Aoki , Tsukuru Kai , Hajime Oyama , Osamu Ariizumi , Hisashi Shoji , Takashi Hodoshima , Yasuo Miyoshi
发明人： Katsuhiro Aoki , Tsukuru Kai , Hajime Oyama , Osamu Ariizumi , Hisashi Shoji , Takashi Hodoshima , Yasuo Miyoshi
IPC分类号： G03G15/06 , G03G15/09
CPC分类号： G03G15/0907 , G03G15/065 , G03G2215/0177
摘要： An image forming apparatus of the present invention includes a bias power supply for applying a bias VB to a developer carrier on which a developer is deposited. A charge potential deposited on an image carrier, which faces the developer carrier for forming a latent image thereon, is 400 V or below in absolute value. Assume that the potential of the image carrier is lowered to VL after exposure, that a development potential is |VB−VL|, that the maximum set value of the development potential for development is |VB−VL|max, and that the development potential varies in a range satisfying relations: |VB−VL|≦|VB−VL|max+|VB−VL|max×0.2 |VB−VL|≧|VB−VL|max−|VB−VL|max×0.2 |VB−VL|max≦300 V Then image density varies by a width of 10% of image density corresponding to the maximum set value of the development potential or less.
摘要翻译：本发明的图像形成装置包括偏置电源，用于将偏压V B B施加到其上沉积显影剂的显影剂载体上。沉积在图像载体上的电荷电位，其面向用于在其上形成潜像的显影剂载体，其绝对值为400V或更低。假设曝光后图像载体的电位降低到V L，则显影电位为| V B -V L | L，开发发展潜力的最大设定值为| V | B | | | | | | | |，并且显影电位在满足关系的范围内变化：<？ -line-formula description =“In-line Formulas”end =“lead”？> | V ＆lt;＆lt;＆lt;＆lt; L＆gt; | max + | V B＆lt; 行公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lead“？> | V B B> | B | B || V | B | B || B ||||||||,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, .2 <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> | V _{B L max <= 300 V <？in-line-formula description =“In-line Formulas”end =“tail”？>然后，图像浓度因宽度为10％o f图像浓度对应于开发潜力的最大设定值以下。}

10. 发明授权

US06721200B2 Dummy cell structure for 1T1C FeRAM cell array 有权
公开(公告)号：US06721200B2
公开(公告)日：2004-04-13
申请号：US10397909
申请日：2003-03-26
申请人： Akitoshi Nishimura , Yukio Fukuda , Katsuhiro Aoki
发明人： Akitoshi Nishimura , Yukio Fukuda , Katsuhiro Aoki
IPC分类号： G11C1122
CPC分类号： G11C11/22 , G11C7/14
摘要： A ferroelectric memory structure is described for the 1T1C arrangement in a ferroelectric capacitor cell array for FeRAM memory device applications. The device structure provides an accurate reference voltage and a simple sensing scheme for the sense amplifier used for reading the state of a target memory cell of the FeRAM array. A reference circuit generates a reference voltage which is a function of a charge shared between a plurality of FeRAM dummy cells. Each dummy cell of the plurality of FeRAM dummy cells is selectively coupleable to a plurality of bitlines. A shorting transistor in the reference circuit couples two bitlines or two bitline-bars neighboring the selected target memory cell. One dummy cell is coupled to a select one of the two shorted bitlines or bitline-bars, and another dummy cell is coupled to a another of the two shorted bitlines or bitline-bars, wherein at least one dummy cell is biased to a “0” state, and at least one other dummy cell is biased to a “1” state. As charge sharing takes place between the bias states of the dummy cells and the shorted bitlines, an averaged reference voltage is produced which is substantially centered between the “0” or “1” states. A sense amplifier receives a sense signal from the target memory cell on an associated bitline, and the averaged reference voltage is received on another bitline input of the sense amplifier. Thus, a new ferroelectric memory structure provides a centered reference voltage and a simple sensing scheme for the accurate sensing of the logic state of an FeRAM 1T1C cell for a read operation.

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