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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
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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。
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54.发明公开公开(公告)号：US20230330582A1
公开(公告)日：2023-10-19
申请号：US18025406
申请日：2021-09-22
申请人： Yuta YABUTA , Kazuki YOGOSAWA , Tatsuya KUBO , Takuya SUGANUMA , Hotaru HASHIKAWA , Yoshihiro FUJIWARA
发明人： Yuta YABUTA , Kazuki YOGOSAWA , Tatsuya KUBO , Takuya SUGANUMA , Hotaru HASHIKAWA , Yoshihiro FUJIWARA
CPC分类号： B01D46/10 , G03G21/1814 , B01D2275/10
摘要： A filter holding device includes an opening portion and a filter. The opening portion communicates an inside of the filter holding device with an outside of the filter holding device, and has a rim that extends in a communication direction from the inside of the filter holding device toward the outside of the filter holding device. The filter is disposed in the opening portion, and has a first side and a second side. The first side faces the inside of the filter holding device. The second side faces the outside of the filter holding device. The filter has a larger weight density per unit volume at the second side facing the outside of the filter holding device than at the first side facing the inside of the filter holding device in a state in which the filter is disposed in the opening portion.
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公开(公告)号：US20230315006A1
公开(公告)日：2023-10-05
申请号：US18015083
申请日：2021-08-17
申请人： Kazuki YOGOSAWA , Tatsuya KUBO , Yuuki TSUCHIYA , Shinya KARASAWA
发明人： Kazuki YOGOSAWA , Tatsuya KUBO , Yuuki TSUCHIYA , Shinya KARASAWA
IPC分类号： G03G21/18
CPC分类号： G03G21/1842
摘要： A positioning member defines a facing distance between a first rotating body and a second rotating body. The positioning member includes a fitting portion, a groove, and a restricting member. A fitted portion of the first rotating body is to be rotatably fitted into the fitting portion. The groove has a groove shape extending in a predetermined direction from an opening to an abutting portion. A shaft portion of the second rotating body is to be slidably movable in the groove. The restricting member restricts movement of the shaft portion in the predetermined direction in a state in which the shaft portion abuts on the abutting portion in the groove. The restricting member is detachably disposed on the groove.
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公开(公告)号：US20210033997A1
公开(公告)日：2021-02-04
申请号：US16914720
申请日：2020-06-29
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.
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公开(公告)号：US10649367B2
公开(公告)日：2020-05-12
申请号：US16523025
申请日：2019-07-26
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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公开(公告)号：US20200033751A1
公开(公告)日：2020-01-30
申请号：US16523025
申请日：2019-07-26
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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公开(公告)号：US20190064699A1
公开(公告)日：2019-02-28
申请号：US16171633
申请日：2018-10-26
申请人： Kentaro NODERA , Emi KITA , Akihiro TAKAYAMA , Susumu TATEYAMA , Shinnosuke KOSHIZUKA , Tatsuya KUBO , Teppei KIKUCHI
发明人： Kentaro NODERA , Emi KITA , Akihiro TAKAYAMA , Susumu TATEYAMA , Shinnosuke KOSHIZUKA , Tatsuya KUBO , Teppei KIKUCHI
IPC分类号： G03G15/08
摘要： A powder container includes a powder chamber for containing powder for forming images, a powder outlet formed in a face of the powder container, and a shutter assembly to open and close the powder outlet and including first and second shutters. The first shutter is movable between a sealing position to close the powder outlet and an open position to open the powder outlet and includes a pressed member to cancel retention of the first shutter at the sealing position. The second shutter includes a pressing projection that interferes with the pressed member of the first shutter and is movable between a shielding position to cover the pressed member without interference between the pressing projection and the pressed member and a releasing position to press the pressed member with the pressing projection.
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公开(公告)号：US20180348698A1
公开(公告)日：2018-12-06
申请号：US15989689
申请日：2018-05-25
CPC分类号： G03G21/1676 , G03G15/0121 , G03G15/0898
摘要： A developing device includes a developer bearer the surface of which moves with a developer thereon, a development housing including the developer in an inner space thereof and an opening through which the surface of the developer bearer is partially exposed in a direction of surface movement thereof to face a latent image bearer a surface of which moves with a latent image thereon, a drive assembly disposed in the development housing, configured to drive members in the development housing driven by a driven force of the drive assembly, and a collision assembly including a collision member, the collision assembly being configured to move the collision member away from the development housing and toward the development housing to collide the collision member with the development housing, utilizing the drive force of the drive assembly.
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