公开(公告)号：US20050185976A1

公开(公告)日：2005-08-25

申请号：US11059383

申请日：2005-02-17

申请人： Shigenori Morimoto ,  Yasuhiro Takai ,  Atsushi Ueda ,  Takahisa Narikiyo

发明人： Shigenori Morimoto ,  Yasuhiro Takai ,  Atsushi Ueda ,  Takahisa Narikiyo

IPC分类号： B41J2/44 ,  G03C8/00 ,  G03G15/04 ,  G03G21/00

CPC分类号： G03G15/04045 ,  G03G2215/06

摘要： In an image forming apparatus in which positioned below a development unit for accommodating a toner is an exposure unit that writes to a photosensitive drum by exposing an electrostatic latent image, an aperture portion on an upper surface of an exposure unit case positioned in an optical path of light from the exposure unit is provided so as to not become an impediment to the optical path of the light and a glass plate is inclined and provided on the aperture portion. An inclination angle of the glass plate is set to an angle inclined 40° with respect to a horizontal line so as to be greater than a repose angle of the toner when the toner has poor fluidity under a condition of high temperature and high humidity.

摘要翻译： 在位于用于容纳调色剂的显影单元下方的图像形成装置中，是通过曝光静电潜像而向感光鼓写入的曝光单元，位于光路中的曝光单元壳体的上表面上的开口部分 设置来自曝光单元的光，以便不会成为光的光路的障碍，并且玻璃板倾斜并设置在孔部上。 相对于水平线，将玻璃板的倾斜角度设定为倾斜40°的角度，以便在调色剂在高温高湿的条件下具有差的流动性时，大于调色剂的休止角。

公开(公告)号：US07171138B2

公开(公告)日：2007-01-30

申请号：US11059383

申请日：2005-02-17

申请人： Shigenori Morimoto ,  Yasuhiro Takai ,  Atsushi Ueda ,  Takahisa Narikiyo

发明人： Shigenori Morimoto ,  Yasuhiro Takai ,  Atsushi Ueda ,  Takahisa Narikiyo

IPC分类号： G03G21/00

CPC分类号： G03G15/04045 ,  G03G2215/06

摘要： In an image forming apparatus in which positioned below a development unit for accommodating a toner is an exposure unit that writes to a photosensitive drum by exposing an electrostatic latent image, an aperture portion on an upper surface of an exposure unit case positioned in an optical path of light from the exposure unit is provided so as to not become an impediment to the optical path of the light and a glass plate is inclined and provided on the aperture portion. An inclination angle of the glass plate is set to an angle inclined 40° with respect to a horizontal line so as to be greater than a repose angle of the toner when the toner has poor fluidity under a condition of high temperature and high humidity.

摘要翻译： 在位于用于容纳调色剂的显影单元下方的图像形成装置中，是通过曝光静电潜像而向感光鼓写入的曝光单元，位于光路中的曝光单元壳体的上表面上的开口部分 设置来自曝光单元的光，以便不会成为光的光路的障碍，并且玻璃板倾斜并设置在孔部上。 相对于水平线，将玻璃板的倾斜角度设定为倾斜40°的角度，以便在调色剂在高温高湿的条件下具有差的流动性时，大于调色剂的休止角。

公开(公告)号：US07561840B2

公开(公告)日：2009-07-14

申请号：US10595285

申请日：2004-10-01

申请人： Shigenori Morimoto ,  Masanori Yamada ,  Yasuhiro Takai

发明人： Shigenori Morimoto ,  Masanori Yamada ,  Yasuhiro Takai

IPC分类号： G03G15/01

CPC分类号： G03G15/0131 ,  G03G2215/00143 ,  G03G2215/0119 ,  G03G2215/0154

摘要： First eccentric cams for abutting an inner circumferential surface of an intermediate image transferring belt, second eccentric cams for rotating as a unit with the first eccentric cams, cam followers for abutting a circumferential surface of the second eccentric cam, and transmitting members for holding image transferring rollers, moving in response to the cam followers are disposed within a loop-shaped moving path formed by an intermediate image transferring belt, which is stretched across a driving roller and a driven roller. The vertical position of the image transferring rollers, which are held by the transmitting members, changes in accordance with the abutting state of the first eccentric cams with respect to an inner circumferential surface of the intermediate image transferring belt.

摘要翻译： 用于抵接中间图像传送带的内周面的第一偏心凸轮，用于与第一偏心凸轮一体旋转的第二偏心凸轮，用于邻接第二偏心凸轮的圆周表面的凸轮从动件和用于保持图像转印的传递部件 响应于凸轮从动件而移动的滚子设置在由中间图像传送带形成的环形移动路径中，该中间图像传送带被拉伸横跨驱动辊和从动辊。 根据第一偏心凸轮相对于中间图像传送带的内周面的抵接状态，由传递部件保持的图像传送辊的垂直位置发生变化。

公开(公告)号：US20070116496A1

公开(公告)日：2007-05-24

申请号：US10595285

申请日：2004-10-01

申请人： Shigenori Morimoto ,  Masanori Yamada ,  Yasuhiro Takai

发明人： Shigenori Morimoto ,  Masanori Yamada ,  Yasuhiro Takai

IPC分类号： G03G15/01

CPC分类号： G03G15/0131 ,  G03G2215/00143 ,  G03G2215/0119 ,  G03G2215/0154

摘要： First eccentric cams (211, 221) for abutting an inner circumferential surface of an intermediate image transferring belt (11), second eccentric cams (212, 222) for rotating as a unit with the first eccentric cams (211, 221), cam followers (214, 224) for abutting a circumferential surface of the second eccentric cam (212, 222), and transmitting members (215A through 215D) for holding image transferring rollers (13A through 13D), moving in response to the cam followers (214, 224) are disposed within a loop-shaped moving path formed by an intermediate image transferring belt (11), which is stretched across a driving roller (11A) and a driven roller (11B). The vertical position of the image transferring rollers (13A through 13D), which are held by the transmitting members (215A through 215D), changes in accordance with the abutting state of the first eccentric cams (211, 221) with respect to an inner circumferential surface of the intermediate image transferring belt (11).

摘要翻译： 用于抵靠中间图像转印带（11）的内圆周表面的第一偏心凸轮（211,221），用于与第一偏心凸轮（211,221）一体旋转的第二偏心凸轮（212,222），凸轮从动件 （214,222），用于抵靠第二偏心凸轮（212,222）的圆周表面，以及用于保持图像转印辊（13A至13D）的传递构件（215A至215D），响应于凸轮 跟随器（214,224）设置在由中间图像传送带（11）形成的环形移动路径中，该中间图像传送带（11）在驱动辊（11a）和从动辊（11B）之间延伸。 由传递部件（215A〜215D）保持的图像转印辊（13A〜13D）的垂直位置根据第一偏心凸轮（211,221）的抵接状态相对于 到中间图像转印带（11）的内圆周表面。

公开(公告)号：US5430532A

公开(公告)日：1995-07-04

申请号：US207294

申请日：1994-03-07

申请人： Atsushi Ueda ,  Yasuhiro Takai ,  Hirokazu Tanaka ,  Hideo Yamasa ,  Kouichi Irihara

发明人： Atsushi Ueda ,  Yasuhiro Takai ,  Hirokazu Tanaka ,  Hideo Yamasa ,  Kouichi Irihara

IPC分类号： G03G15/08

CPC分类号： G03G15/0844 ,  G03G15/08 ,  G03G15/0856 ,  G03G15/0862

摘要： A developing device is provided with a developer vessel for storing therein a developer material composed of toner particles and carrier granules and a developer material supply section for gradually supplying a carrier developer including the carrier granules from above the developer vessel, wherein a discharge opening for discharging therethrough the developer material is formed on a side face of the developer vessel. When a tilt detection unit provided with the developing device detects the tilt of the developing device, an alarm lamp is set ON for sending a warning. In the meantime, the discharge opening is closed for preventing an excessive overflow of the developer material from the developer vessel.

摘要翻译： 显影装置设置有用于在其中存储由调色剂颗粒和载体颗粒组成的显影剂材料的显影剂容器和用于从显影剂容器的上方逐渐地供应包含载体颗粒的载体显影剂的显影剂供应部分，其中用于排出的排出开口 显影剂材料通过其形成在显影剂容器的侧面上。 当设置有显影装置的倾斜检测单元检测到显影装置的倾斜时，将报警灯设置为ON以发送警告。 同时，排出口关闭以防止显影剂材料从显影剂容器中过度溢出。

公开(公告)号：US5572300A

公开(公告)日：1996-11-05

申请号：US208431

申请日：1994-03-09

申请人： Hideo Yamasa ,  Yasuhiro Takai ,  Atsushi Ueda ,  Hirokazu Tanaka

发明人： Hideo Yamasa ,  Yasuhiro Takai ,  Atsushi Ueda ,  Hirokazu Tanaka

IPC分类号： G03G15/08 ,  G03G21/10

CPC分类号： G03G15/0844 ,  G03G15/0822 ,  G03G2215/0822

摘要： The present invention provides in a preferred embodiment a developer container having a supply and discharge shaft which is driven and rotated in a direction by a supply and discharge shaft motor, a supply screw mounted on one of the ends of the supply and discharge shaft for bringing unused developer in a developer supply container into a developer container, and a discharge screw mounted on the other end of the supply and discharge shaft for discharging the developer in the developer container through a developer discharge opening. With this structure, the ratio of replacing old developer with new developer in the developer container is controlled in the desired manner, and the charging property of the developer is maintained substantially uniform. Additionally, since the replacement efficiency of the developer is improved, the consumption of the developer is reduced. Moreover, even when a copying machine is tilted, a large amount of developer is unlikely to be discharged.

摘要翻译： 本发明在优选实施例中提供了一种显影剂容器，该容器具有一供给排出轴，该排放轴由一供给排出轴电动机驱动并沿一方向旋转;供给螺钉，其安装在供排排轴的一端上， 显影剂供应容器中的未使用的显影剂进入显影剂容器，以及安装在供排排轴的另一端的排出螺杆，用于通过显影剂排出口排出显影剂容器中的显影剂。 利用这种结构，以期望的方式控制在显影剂容器中更换旧显影剂与新显影剂的比例，并且显影剂的带电性能保持基本均匀。 此外，由于显影剂的替换效率提高，因此显影剂的消耗降低。 此外，即使当复印机倾斜时，大量的显影剂也不太可能被排出。

公开(公告)号：US5548385A

公开(公告)日：1996-08-20

申请号：US125317

申请日：1993-09-22

申请人： Yasuhiro Takai ,  Atsushi Ueda ,  Hirokazu Tanaka ,  Hideo Yamasa

发明人： Yasuhiro Takai ,  Atsushi Ueda ,  Hirokazu Tanaka ,  Hideo Yamasa

IPC分类号： G03G15/08 ,  G03G15/06

CPC分类号： G03G15/0844 ,  G03G15/0849 ,  G03G15/0853 ,  G03G15/0856 ,  G03G15/0862 ,  G03G15/0889

摘要： A developer device is provided with a developer vessel for storing therein a developer material composed of toner particles and carrier granules. In the developer device, a target ratio of toner particles for a detected quantity of the developer material is computed. In the device, a toner concentration detector sensor is also provided for detecting the ratio of toner particles in the developer vessel. In order to set the detected toner ratio of toner particles equal to the target ratio, quantity of toner particles to be additionally supplied to the developer vessel is controlled. As a result, the ratio of toner particles to the developer material stored in the developer vessel can be maintained in a predetermined ratio, thereby ensuring a desirable image quality.

摘要翻译： 显影剂装置设置有用于在其中存储由调色剂颗粒和载体颗粒组成的显影剂材料的显影剂容器。 在显影剂装置中，计算检测量的显影剂材料的调色剂颗粒的目标比例。 在该装置中，还提供了用于检测显影剂容器中调色剂颗粒的比例的调色剂浓度检测器传感器。 为了将调色剂颗粒的检测到的调色剂比设定为目标比例，控制另外供应给显影剂容器的调色剂颗粒的量。 结果，可以将存储在显影剂容器中的调色剂颗粒与显影剂材料的比率保持在预定比例，从而确保期望的图像质量。

公开(公告)号：US5592270A

公开(公告)日：1997-01-07

申请号：US093075

申请日：1993-07-16

申请人： Yasuhiro Takai ,  Hideaki Hagihara ,  Hirokazu Tanaka ,  Atsushi Ueda ,  Hideo Yamasa ,  Fumio Shimazu

发明人： Yasuhiro Takai ,  Hideaki Hagihara ,  Hirokazu Tanaka ,  Atsushi Ueda ,  Hideo Yamasa ,  Fumio Shimazu

IPC分类号： G03G15/08 ,  G03G15/06

CPC分类号： G03G15/0844 ,  G03G15/0849 ,  G03G15/0887 ,  G03G15/0893

摘要： Deteriorating developer including toner and carrier in a developer container is replaced by supplying carrier developer including carrier from a developer supply unit and discharging an amount of the deteriorated developer corresponding to the amount of the supplied carrier developer through a discharge opening formed in the developer container by opening a cover. The cover is driven by a solenoid for discharging. With this structure, even when the amount of developer in the developer container is changed and the surface level of the developer is changed, a predetermined amount of deteriorated developer is accurately discharged according to the driving of the cover. It is thus possible to control in a desired manner the replacement ratio of deteriorated developer in the developer container to new developer to be supplied. With this configuration, it is possible to maintain the charge of developer substantially uniform and good image quality of copies.

摘要翻译： 通过从显影剂供应单元提供载体显影剂（包括载体）来替换显影剂容器中的调色剂和载体的劣化显影剂，并且通过形成在显影剂容器中的排出口将与提供的载体显影剂的量相应的一定数量的劣化显影剂排出 打开盖子 盖子由一个用于放电的螺线管驱动。 利用这种结构，即使当显影剂容器中的显影剂的量改变并且显影剂的表面水平改变时，根据盖的驱动，预定量的劣化显影剂被准确地排出。 因此，可以以期望的方式控制显影剂容器中劣化的显影剂与要供应的新显影剂的置换比。 利用这种配置，可以保持显影剂的电荷基本上均匀和良好的复印图像质量。

公开(公告)号：US07944262B2

公开(公告)日：2011-05-17

申请号：US12453652

申请日：2009-05-18

申请人： Koji Kuroki ,  Yasuhiro Takai

发明人： Koji Kuroki ,  Yasuhiro Takai

IPC分类号： H03K3/017

CPC分类号： H03K5/1565

摘要： A duty correction circuit is formed using at least one delay circuit, which is constituted of a first inverter including three transistors of different conduction types and a second inverter including three other transistors of different conduction types and which delays and adjusts an input clock signal at the leading-edge/trailing-edge timing so as to convert it into an output clock signal based on a first or second bias voltage produced by a bias circuit detecting the duty ratio of the output clock signal. The duty correction circuit decreases the high-level period of the output clock signal having a high duty ratio based on the first bias voltage. Alternatively, the duty correction circuit increases the high-level period of the output clock signal having a low duty ratio based on the second bias voltage.

摘要翻译： 使用至少一个延迟电路形成占空比校正电路，所述至少一个延迟电路由包括三个不同导电类型的晶体管的第一反相器和包括不同导通类型的三个其它晶体管的第二反相器组成，并且其延迟并调整在 前沿/后沿定时，以便基于由检测输出时钟信号的占空比的偏置电路产生的第一或第二偏置电压将其转换为输出时钟信号。 占空比校正电路基于第一偏置电压降低具有高占空比的输出时钟信号的高电平周期。 或者，占空比校正电路基于第二偏置电压增加具有低占空比的输出时钟信号的高电平周期。

公开(公告)号：US07772911B2

公开(公告)日：2010-08-10

申请号：US12208978

申请日：2008-09-11

申请人： Akira Ide ,  Yasuhiro Takai ,  Tomonori Sekiguchi ,  Riichiro Takemura ,  Satoru Akiyama ,  Hiroaki Nakaya

发明人： Akira Ide ,  Yasuhiro Takai ,  Tomonori Sekiguchi ,  Riichiro Takemura ,  Satoru Akiyama ,  Hiroaki Nakaya

IPC分类号： G06F1/04

CPC分类号： H03K5/135 ,  G11C7/04 ,  G11C7/1072 ,  G11C7/222 ,  G11C11/4076 ,  G11C19/00

摘要： Disclosed is a timing control circuit that receives a first clock having a period T1, a group of second clocks of L different phases spaced apart from each other at substantially equal intervals and selection signals m, n supplied thereto and generates a fine timing signal delayed from the rising edge of the first clock signal by a delay td of approximately td=m·T1+n·(T2/L). The timing control circuit includes a coarse delay circuit and a fine delay circuit. The coarse delay circuit includes a counter for counting a rising edge of the first clock signal after an activate signal is activated and generates a coarse timing signal whose amount of delay from the first clock signal is approximately m·T1. The fine delay circuit comprises L-number of multiphase clock control delay circuits disposed in parallel, delays by n·T2/L the timing of sampling of the coarse timing signal by respective clocks of the group of L-phase second clocks, and takes the OR among the resulting delayed pulses to thereby produce the fine timing signal.

摘要翻译： 公开了一种定时控制电路，其接收具有周期T1的第一时钟，以相等间隔彼此间隔开的L个不同相位的一组第二时钟，以及提供给其的选择信号m，n，并产生从 第一时钟信号的上升沿大约为td = m·T1 + n·（T2 / L）的延迟td。 定时控制电路包括粗延迟电路和精细延迟电路。 粗略延迟电路包括用于在激活信号被激活之后对第一时钟信号的上升沿进行计数的计数器，并产生其第一时钟信号的延迟量大约为m·T1的粗略定时信号。 精细延迟电路包括L个并联设置的多相时钟控制延迟电路，通过n·T2 / L延迟由L组第二时钟组的相应时钟对粗略定时信号进行采样的定时， 或者产生延迟脉冲，从而产生精细定时信号。