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31. 发明授权

US08045893B2 Developing device and image forming apparatus including inclined transport screw 有权
标题翻译：显影装置和图像形成装置，包括倾斜传送螺杆
公开(公告)号：US08045893B2
公开(公告)日：2011-10-25
申请号：US12251580
申请日：2008-10-15
申请人： Masayoshi Nakayama , Yoshitaka Fujinuma , Susumu Takeyama , Tatsuya Kubo
发明人： Masayoshi Nakayama , Yoshitaka Fujinuma , Susumu Takeyama , Tatsuya Kubo
IPC分类号： G03G15/08
CPC分类号： G03G15/0808 , G03G2215/0844
摘要： A developing device that can discharge developer by an amount of developer in the developing device increased by a carrier supplemented into the developing device includes a supply transport screw and a receiving transport screw in a top and bottom positional relationship, the rotational axes of the supply transport screw and the receiving transport screw are mutually parallel in relation to an image support member. The developing device also includes an inclined transport screw arranged at an incline between one end of the supply transport screw and an other end of the receiving transport screw. The developing device also includes a supply unit for supplying new carrier into a casing and a discharge port and discharge unit for discharging part of the developer housed in the casing to the outside, the discharge port provided on a part of the casing corresponding to an upper part of the inclined transport screw.
摘要翻译：可以通过补充在显影装置中的载体使由显影装置中的显影剂量的显影剂排出显影剂的显影装置包括上下位置关系的供给输送螺杆和接收输送螺杆，供给输送装置螺钉和接收输送螺杆相对于图像支撑构件相互平行。显影装置还包括倾斜的输送螺杆，其设置在供给输送螺杆的一端和接收输送螺杆的另一端之间的倾斜处。显影装置还包括用于将新载体供给到壳体中的供给单元和用于将容纳在壳体中的一部分显影剂排出到外部的排出口和排出单元，排出口设置在壳体的与上部部分倾斜运输螺丝。

32. 发明申请

US20080213006A1 DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 有权
标题翻译：开发设备，过程盒和图像形成装置
公开(公告)号：US20080213006A1
公开(公告)日：2008-09-04
申请号：US12036640
申请日：2008-02-25
申请人： Masayoshi NAKAYAMA , Yoshitaka Fujinuma , Susumu Tateyama , Tatsuya Kubo
发明人： Masayoshi NAKAYAMA , Yoshitaka Fujinuma , Susumu Tateyama , Tatsuya Kubo
IPC分类号： G03G15/09
CPC分类号： G03G15/0942
摘要： A developing device is disclosed. The developing device includes a developing roller disposed to face an image carrier and a toner carrier capturing roller disposed to face the developing roller for capturing toner carriers adhered onto the image carrier. The developing roller generates a magnetic pole at a side facing the toner carrier capturing roller. A first virtual line, which connects a rotational center of the developing roller to a rotational center of the toner carrier capturing roller, passes through a region between a position where a magnetic flux density of the magnetic pole in the normal line direction is minimum on the developing roller at the upstream side in the rotational direction of the developing roller and a position where the magnetic flux density of the magnetic pole in the normal line direction is maximum on the developing roller.
摘要翻译：公开了一种显影装置。显影装置包括设置成面对图像载体的显影辊和设置成面对显影辊的调色剂载体捕获辊，用于捕获粘附到图像载体上的调色剂载体。显影辊在面向调色剂载体捕获辊的一侧产生磁极。将显影辊的旋转中心连接到调色剂承载器捕获辊的旋转中心的第一虚拟线穿过在正方向上的磁极的磁通密度最小的位置之间的区域在显影辊的旋转方向的上游侧的显影辊和在显影辊上的法线方向的磁极的磁通密度最大的位置。

33. 发明授权

US07421222B2 Electrophotographic device with contaminant-resistant photoconductor and charger 失效
标题翻译：具有防污光感光体和充电器的电子照相设备
公开(公告)号：US07421222B2
公开(公告)日：2008-09-02
申请号：US11038528
申请日：2005-01-21
申请人： Tatsuya Kubo , Akio Tsujita , Yukio Otome
发明人： Tatsuya Kubo , Akio Tsujita , Yukio Otome
IPC分类号： G03G15/02
CPC分类号： G05F5/00
摘要： In a charging device having saw-tooth electrodes for generating corona discharges, an amount of dust, toner, or paper dust attached to the tip end portions of saw-tooth electrodes is reduced. First to third pairs of saw-tooth electrode plates are disposed in a side-by-side fashion along the periphery of a photosensitive drum in which the first pair is disposed at an upstream side with respect to a direction in which the photosensitive drum rotates, the third pair at a downstream side, and the second pair at a central portion between the remaining two. A current flowing per a unit length of the second pair is set to 1.3 to 3 times as much as a current flowing per a unit length of each of the first and third pairs. The currents flowing per a unit length of the first and third pairs are set to be equal to each other.
摘要翻译：在具有用于产生电晕放电的锯齿电极的充电装置中，附着到锯齿电极的前端部分的灰尘，调色剂或纸屑的量减少。第一至第三对锯齿电极板沿着感光鼓的周边并排设置，其中第一对设置在相对于感光鼓转动的方向的上游侧，第三对在下游侧，第二对在其余两个之间的中心部分。将第二对的单位长度流过的电流设定为与第一对和第三对的每一单位长度流动的电流的1.3〜3倍。将第一和第三对单位长度流动的电流设定为彼此相等。

34. 发明申请

US20050162136A1 Photoconductor charging device and image forming device using same 失效
标题翻译：感光体充电装置及使用其的成像装置
公开(公告)号：US20050162136A1
公开(公告)日：2005-07-28
申请号：US11038528
申请日：2005-01-21
申请人： Tatsuya Kubo , Akio Tsujita , Yukio Otome
发明人： Tatsuya Kubo , Akio Tsujita , Yukio Otome
IPC分类号： G03G15/02 , G05F5/00
CPC分类号： G05F5/00
摘要： In a charging device having saw-tooth electrodes for generating corona discharges, an amount of dust, toner, or paper dust attached to the tip end portions of saw-tooth electrodes is reduced. First to third pairs of saw-tooth electrode plates are disposed in a side-by-side fashion along the periphery of a photosensitive drum in which the first pair is disposed at an upstream side with respect to a direction in which the photosensitive drum rotates, the third pair at a downstream side, and the second pair at a central portion between the remaining two. A current flowing per a unit length of the second pair is set to 1.3 to 3 times as much as a current flowing per a unit length of each of the first and third pairs. The currents flowing per a unit length of the first and third pairs are set to be equal to each other.
摘要翻译：在具有用于产生电晕放电的锯齿电极的充电装置中，附着到锯齿电极的前端部分的灰尘，调色剂或纸屑的量减少。第一至第三对锯齿电极板沿着感光鼓的周边并排设置，其中第一对设置在相对于感光鼓转动的方向的上游侧，第三对在下游侧，第二对在其余两个之间的中心部分。将第二对的单位长度流过的电流设定为与第一对和第三对的每一单位长度流动的电流的1.3〜3倍。将第一和第三对单位长度流动的电流设定为彼此相等。

35. 发明申请

US20050053396A1 Image forming apparatus and charging device 审中-公开
标题翻译：图像形成装置和充电装置
公开(公告)号：US20050053396A1
公开(公告)日：2005-03-10
申请号：US10919269
申请日：2004-08-17
申请人： Tatsuya Kubo , Hiroyuki Mabuchi , Akio Tsujita
发明人： Tatsuya Kubo , Hiroyuki Mabuchi , Akio Tsujita
IPC分类号： G03G15/02 , H01T19/04
CPC分类号： G03G15/0233 , G03G15/0266 , G03G15/0291 , G03G2215/028
摘要： In a scorotron type charging device including a shield case having an opening portion toward a photosensitive body, sawtooth electrodes for generating a corona discharge, and a grid having plural grid wires provided at a predetermined interval from sawtooth electrodes, at least one side surface of shield case is arranged adjacent to one sawtooth electrode, and a relationship between a current It supplied to sawtooth electrodes and current Is flowing through shield case is set to satisfy a conditional expression of ¼≦Is/It≦½, and an interval between vertexes of sawteeth of the sawtooth electrodes is set to 1 mm or more but 3 mm or less and a relationship between a charged potential Vo of the photosensitive body and a voltage Vg applied to grid is set to satisfy a conditional expression of −50 V≦|Vo|−|Vg|≦50 (V).
摘要翻译：在包括具有朝向感光体的开口部分的屏蔽壳体，用于产生电晕放电的锯齿电极和具有从锯齿电极以预定间隔设置的多个栅格线的栅格的遮光剂型充电装置中，至少一个屏蔽侧表面情况被布置成与一个锯齿电极相邻，并且提供给锯齿电极的电流It和流过屏蔽壳的电流Is之间的关系被设置为满足¼<= Is / It <=½的条件表达式，以及顶点之间的间隔将锯齿电极的锯齿形设定为1mm以上但3mm以下，并且将感光体的带电电位Vo与施加到栅格的电压Vg之间的关系设定为满足条件表达式-50V < | Vo | - | Vg | <= 50（V）。

36. 外观设计

USD448680S1 Wrist watch 失效
公开(公告)号：USD448680S1
公开(公告)日：2001-10-02
申请号：US29124479
申请日：2000-06-06
申请人： Tatsuya Kubo
设计人： Tatsuya Kubo

37. 发明授权

US06218907B1 Frequency comparator and PLL circuit using the same 失效
标题翻译：频率比较器和PLL电路使用相同
公开(公告)号：US06218907B1
公开(公告)日：2001-04-17
申请号：US09293841
申请日：1999-04-19
申请人： Ryo Tamaki , Tatsuya Kubo
发明人： Ryo Tamaki , Tatsuya Kubo
IPC分类号： H04L700
CPC分类号： H03L7/0891 , H03K5/26 , H03L7/087 , H03L2207/06 , H03L2207/14 , H04L7/033
摘要： A frequency comparator for comparing the frequency of a predetermined clock signal with the clock frequency of a non-return-to-zero (NRZ) signal having a detector circuit for detecting a data change of the NRZ signal in an interval of one time period of the clock signal, and a comparator circuit for generating a comparison result only when a data change is detected by the detector. The detector includes a data change circuit for detecting a data change of the NRZ signal and a change position detector for detecting a data change position of the NRZ signal in a time period of the clock signal CLK by taking in the logic of a clock signal and an auxiliary clock signal having the phase delayed 90 degrees from that of the clock signal when a data change of the NRZ signal is detected. The comparator circuit has a setting circuit for setting a reference point for detecting the time period subsequent to the clock signal to generate the comparison result based on the reference point set by the setting circuit.
摘要翻译：一种频率比较器，用于将预定时钟信号的频率与具有检测电路的非归零（NRZ）信号的时钟频率进行比较，所述检测器电路用于在一个时间段的间隔内检测NRZ信号的数据变化时钟信号，以及仅当检测器检测到数据变化时才产生比较结果的比较器电路。检测器包括用于检测NRZ信号的数据变化的数据变换电路和变换位置检测器，用于通过检测时钟信号的逻辑，在时钟信号CLK的时间周期内检测NRZ信号的数据变化位置;以及当检测到NRZ信号的数据改变时，具有相对于时钟信号延迟了90度的相位的辅助时钟信号。比较器电路具有用于设置用于检测时钟信号之后的时间段的参考点的设置电路，以基于由设置电路设置的参考点产生比较结果。

38. 外观设计

USD352463S Combined portable timepiece and hemadynometer 失效
公开(公告)号：USD352463S
公开(公告)日：1994-11-15
申请号：US1603
申请日：1992-11-17
申请人： Tatsuya Kubo
设计人： Tatsuya Kubo

39. 发明申请

US20210033997A1 POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20210033997A1
公开(公告)日：2021-02-04
申请号：US16914720
申请日：2020-06-29
申请人： Tatsuya Kubo , Junichi Matsumoto , Shuntaroh Tamaki , Hiroaki Okamoto
发明人： Tatsuya Kubo , Junichi Matsumoto , Shuntaroh Tamaki , Hiroaki Okamoto
IPC分类号： G03G15/08 , G03G21/20
摘要： A powder amount detector detects an amount of powder in a powder container of a cylindrical shape arranged horizontally. The powder amount detector includes a pair of measuring electrodes configured to detect capacitance between the pair of measuring electrodes to detect the amount of powder. The pair of measuring electrodes is disposed around the powder container. One of the pair of measuring electrodes has a flat shape, and the other of the pair of measuring electrodes has an arc shape following a shape of the powder container.

40. 发明授权

US10649367B2 Powder supply device and image forming apparatus incorporating same 有权
公开(公告)号：US10649367B2
公开(公告)日：2020-05-12
申请号：US16523025
申请日：2019-07-26
申请人： Junichi Matsumoto , Tatsuya Kubo , Shuntaroh Tamaki , Hiroaki Okamoto
发明人： Junichi Matsumoto , Tatsuya Kubo , Shuntaroh Tamaki , Hiroaki Okamoto
IPC分类号： G03G15/08
摘要： A powder supply device includes a powder conveyance path and a pair of electrodes to supply powder from a powder container. The powder conveyance path is configured to transport the powder in the powder container. The pair of electrodes is disposed at least in part in or on the powder conveyance path. The powder supply device is configured to detect an amount of powder in the powder conveyance path based on change of capacitance between the pair of electrodes.

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