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公开(公告)号：US20200028458A1
公开(公告)日：2020-01-23
申请号：US16504015
申请日：2019-07-05
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keiji Harada , Yuichi Naoi , Norio Sugiyama , Noboru Hada
Abstract: The technique of the present disclosure has an object to perform PWM control of DC motors with a CPU and a motor drive circuit connected by a smaller number of serial interfaces, and provides a motor drive circuit comprising: energization control units to switch the directions of energization of motors by using switching elements to be driven by PWM signals; a reception unit to receive data indicating energization of the motor and the duty ratio of the PWM signal for each energization control unit from a computation apparatus by serial communication; a first signal generation unit to generate a motor control signal for controlling energization of the motor and the duty ratio based on the data for each energization control unit; and a second signal generation unit to generate the PWM signal having the duty ratio set according to the corresponding motor control signal for each energization control unit.
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公开(公告)号：US10958197B2
公开(公告)日：2021-03-23
申请号：US16504015
申请日：2019-07-05
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keiji Harada , Yuichi Naoi , Norio Sugiyama , Noboru Hada
Abstract: The technique of the present disclosure has an object to perform PWM control of DC motors with a CPU and a motor drive circuit connected by a smaller number of serial interfaces, and provides a motor drive circuit comprising: energization control units to switch the directions of energization of motors by using switching elements to be driven by PWM signals; a reception unit to receive data indicating energization of the motor and the duty ratio of the PWM signal for each energization control unit from a computation apparatus by serial communication; a first signal generation unit to generate a motor control signal for controlling energization of the motor and the duty ratio based on the data for each energization control unit; and a second signal generation unit to generate the PWM signal having the duty ratio set according to the corresponding motor control signal for each energization control unit.
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3.发明授权Printing apparatus, method for controlling printing apparatus, and storage medium 有权打印装置，控制打印装置的方法和存储介质公开(公告)号：US09457590B2
公开(公告)日：2016-10-04
申请号：US14666737
申请日：2015-03-24
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kazuya Koizumi , Yasutaka Mitani , Yosuke Ushigome , Yoshiaki Kaburagi , Takayuki Tanabe , Atsushi Takahashi , Yusuke Kadokura , Keiji Harada , Yoshiaki Takayanagi , Hideo Horigome , Susumu Hirosawa , Atsushi Sakamoto , Satoshi Masuda , Toshiki Takeuchi , Kengo Nieda
CPC classification number: B41J3/60 , B41J2/04505 , B41J2/04573 , B41J2/04578 , B41J2/0458 , B41J2/04581 , B41J11/008 , B41J11/42
Abstract: There are provided a printing apparatus, a method for controlling the printing apparatus, and a storage medium. The printing apparatus includes a conveying unit that conveys a print medium; a print head that applies a color material on the print medium; an obtaining unit configured to obtain, in the case where a first surface of the print medium on which a first image is printed comes in contact with the conveying unit, information on a printing condition of the first surface that becomes a factor of changing a conveying speed of the print medium in the predetermined direction; and a control unit configured to control timing of applying a color material on a second surface of the print medium that is a surface at the opposite to the first surface according to the printing condition indicated by the information obtained by the obtaining unit.
Abstract translation: 提供了一种打印设备，一种用于控制打印设备的方法和一种存储介质。 打印设备包括传送打印介质的传送单元; 打印头，其在打印介质上施加彩色材料; 获取单元，被配置为在打印有第一图像的打印介质的第一表面与所述传送单元接触的情况下获得关于所述第一表面的打印状态的信息，所述信息成为改变传送的因素 打印介质在预定方向上的速度; 以及控制单元，被配置为根据由获取单元获得的信息指示的打印条件来控制在与第一表面相对的表面的打印介质的第二表面上施加彩色材料的定时。
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Patent Agency Ranking
4.发明申请PRINTING APPARATUS, METHOD FOR CONTROLLING PRINTING APPARATUS, AND STORAGE MEDIUM 有权打印设备，控制打印设备的方法和存储介质公开(公告)号：US20150273896A1
公开(公告)日：2015-10-01
申请号：US14666737
申请日：2015-03-24
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kazuya KOIZUMI , Yasutaka Mitani , Yosuke Ushigome , Yoshiaki Kaburagi , Takayuki Tanabe , Atsushi Takahashi , Yusuke Kadokura , Keiji Harada , Yoshiaki Takayanagi , Hideo Horigome , Susumu Hirosawa , Atsushi Sakamoto , Satoshi Masuda , Toshiki Takeuchi , Kengo Nieda
CPC classification number: B41J3/60 , B41J2/04505 , B41J2/04573 , B41J2/04578 , B41J2/0458 , B41J2/04581 , B41J11/008 , B41J11/42
Abstract: There are provided a printing apparatus, a method for controlling the printing apparatus, and a storage medium. The printing apparatus includes a conveying unit conveys a print medium; a print head applies a color material on the print medium; an obtaining unit configured to obtain, in the case where a first surface of the print medium on which a first image is printed comes in contact with the conveying unit, information on a printing condition of the first surface that becomes a factor of changing a conveying speed of the print medium in the predetermined direction; and a control unit configured to control timing of applying a color material on a second surface of the print medium that is a surface at the opposite to the first surface according to the printing condition indicated by the information obtained by the obtaining unit.
Abstract translation: 提供了一种打印设备，一种用于控制打印设备的方法和一种存储介质。 打印设备包括传送单元传送打印介质; 打印头在打印介质上施加彩色材料; 获取单元，被配置为在打印有第一图像的打印介质的第一表面与所述传送单元接触的情况下获得关于所述第一表面的打印状态的信息，所述信息成为改变传送的因素 打印介质在预定方向上的速度; 以及控制单元，被配置为根据由获取单元获得的信息指示的打印条件来控制在与第一表面相对的表面的打印介质的第二表面上施加彩色材料的定时。
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公开(公告)号：US11929701B2
公开(公告)日：2024-03-12
申请号：US16394095
申请日：2019-04-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keiji Harada , Masayuki Hongo
CPC classification number: H02P7/292 , B41J2/04541 , B41J2/04586 , H02P7/29
Abstract: The electronic apparatus including a DC motor that is driven based on a current supplied from a power source, and including: a detection circuit that detects an instantaneous interruption of the power source; an H bridge circuit having an upper arm circuit having two switching elements connected in parallel to the power source and a lower arm circuit having two switching elements connected in parallel to a ground, the upper arm circuit and the lower arm circuit being connected in series, and controlling a current to be supplied to the DC motor; and a switching control circuit that controls the switching element, and in a case where an instantaneous interruption of the power source is detected by the detection circuit, the switching control circuit sets the switching elements of the upper arm circuit to off and sets the switching elements of the lower arm circuit to on.
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公开(公告)号：US20190334461A1
公开(公告)日：2019-10-31
申请号：US16394095
申请日：2019-04-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keiji Harada , Masayuki Hongo
Abstract: The electronic apparatus including a DC motor that is driven based on a current supplied from a power source, and including: a detection circuit that detects an instantaneous interruption of the power source; an H bridge circuit having an upper arm circuit having two switching elements connected in parallel to the power source and a lower arm circuit having two switching elements connected in parallel to a ground, the upper arm circuit and the lower arm circuit being connected in series, and controlling a current to be supplied to the DC motor; and a switching control circuit that controls the switching element, and in a case where an instantaneous interruption of the power source is detected by the detection circuit, the switching control circuit sets the switching elements of the upper arm circuit to off and sets the switching elements of the lower arm circuit to on.
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7.发明授权公开(公告)号：US09195287B2
公开(公告)日：2015-11-24
申请号：US13742883
申请日：2013-01-16
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keiji Harada
CPC classification number: G06F1/26 , H02H7/1255 , H02M1/36 , H02M3/00 , H02M3/156 , H02M2003/1566
Abstract: This invention is directed to a power supply apparatus and a printing apparatus, which have a function of easily relaxing an output voltage rise caused by an abrupt decrease in load current by a simple arrangement. In an embodiment of the invention, a dummy load is connected to some of power supply circuits included in the power supply apparatus. When an input voltage from a DC power supply falls below a predetermined threshold value, a power supply from the power supply circuit to an integrated circuit to which an electric power is supplied is stopped in synchronism with a reset signal output to the integrated circuit. At this time, an electric power from the power supply circuit is partially supplied to the dummy load, thereby relaxing an abrupt variation of the output voltage.
Abstract translation: 本发明涉及一种电源装置和打印装置，其具有通过简单的布置容易地缓和由负载电流突然减小引起的输出电压上升的功能。 在本发明的实施例中，虚拟负载连接到包括在电源装置中的一些电源电路。 当来自直流电源的输入电压下降到预定阈值以下时，从输出到集成电路的复位信号同步地停止从供电电路到供给电力的集成电路的电力供给。 此时，将来自电源电路的电力部分地供给到虚拟负载，从而放松输出电压的突然变化。
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公开(公告)号：US20130194841A1
公开(公告)日：2013-08-01
申请号：US13742883
申请日：2013-01-16
Applicant: Canon Kabushiki Kaisha
Inventor： Keiji Harada
IPC: H02H7/125
CPC classification number: G06F1/26 , H02H7/1255 , H02M1/36 , H02M3/00 , H02M3/156 , H02M2003/1566
Abstract: This invention is directed to a power supply apparatus and a printing apparatus, which have a function of easily relaxing an output voltage rise caused by an abrupt decrease in load current by a simple arrangement. In an embodiment of the invention, a dummy load is connected to some of power supply circuits included in the power supply apparatus. When an input voltage from a DC power supply falls below a predetermined threshold value, a power supply from the power supply circuit to an integrated circuit to which an electric power is supplied is stopped in synchronism with a reset signal output to the integrated circuit. At this time, an electric power from the power supply circuit is partially supplied to the dummy load, thereby relaxing an abrupt variation of the output voltage.
Abstract translation: 本发明涉及一种电源装置和打印装置，其具有通过简单的布置容易地缓和由负载电流突然减小引起的输出电压上升的功能。 在本发明的实施例中，虚拟负载连接到包括在电源装置中的一些电源电路。 当来自直流电源的输入电压下降到预定阈值以下时，从输出到集成电路的复位信号同步地停止从供电电路到供给电力的集成电路的电力供给。 此时，将来自电源电路的电力部分地供给到虚拟负载，从而放松输出电压的突然变化。
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