Patents by Inventor Hidetada Narahara
Hidetada Narahara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11969841Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.Type: GrantFiled: October 8, 2021Date of Patent: April 30, 2024Assignee: Canon Kabushiki KaishaInventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
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Patent number: 11702295Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.Type: GrantFiled: December 14, 2020Date of Patent: July 18, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
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Publication number: 20220023985Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.Type: ApplicationFiled: October 8, 2021Publication date: January 27, 2022Inventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
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Patent number: 11185954Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.Type: GrantFiled: November 27, 2018Date of Patent: November 30, 2021Assignee: Canon Kabushiki KaishaInventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
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Publication number: 20210094764Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.Type: ApplicationFiled: December 14, 2020Publication date: April 1, 2021Inventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
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Patent number: 10889449Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.Type: GrantFiled: September 12, 2018Date of Patent: January 12, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
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Patent number: 10745203Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage travels and a plurality of control units each provided to corresponding one of the plurality of transport modules and configured to perform position control of the carriage in accordance with a pre-stored drive condition and a control start timing, and one of the plurality of control units which corresponds to a first transport module that is one of the plurality of transport modules corrects the drive condition by using a difference between an entry timing at which the carriage enters the first transport module and the control start timing.Type: GrantFiled: April 24, 2019Date of Patent: August 18, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Koji Tomoda, Takeshi Yamamoto, Hidetada Narahara
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Patent number: 10566917Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.Type: GrantFiled: November 8, 2018Date of Patent: February 18, 2020Assignee: Canon Kabushiki KaishaInventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
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Publication number: 20190344967Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage travels and a plurality of control units each provided to corresponding one of the plurality of transport modules and configured to perform position control of the carriage in accordance with a pre-stored drive condition and a control start timing, and one of the plurality of control units which corresponds to a first transport module that is one of the plurality of transport modules corrects the drive condition by using a difference between an entry timing at which the carriage enters the first transport module and the control start timing.Type: ApplicationFiled: April 24, 2019Publication date: November 14, 2019Inventors: Koji Tomoda, Takeshi Yamamoto, Hidetada Narahara
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Publication number: 20190160609Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.Type: ApplicationFiled: November 27, 2018Publication date: May 30, 2019Inventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
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Publication number: 20190092578Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.Type: ApplicationFiled: September 12, 2018Publication date: March 28, 2019Inventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
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Publication number: 20190081579Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.Type: ApplicationFiled: November 8, 2018Publication date: March 14, 2019Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
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Patent number: 10158304Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.Type: GrantFiled: October 20, 2017Date of Patent: December 18, 2018Assignee: Canon Kabushiki KaishaInventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
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Publication number: 20180041146Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.Type: ApplicationFiled: October 20, 2017Publication date: February 8, 2018Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
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Patent number: 9847742Abstract: A linear motor control apparatus includes a plurality of coil units which are continuously arranged, a plurality of position detecting units configured to detect positions of a first truck and a second truck which move over the plurality of coil units, and a first deviation calculating unit configured to arithmetically operate deviation information as differences between values of the plurality of position detecting units and a target position. In addition, a first position control unit arithmetically operates current control signals on the basis of the deviation information, a first current control unit supplies driving currents to the plurality of coil units on the basis of the current control signals, and a switching unit outputs the values of the plurality of position detecting units for the first truck to the first position control unit and outputs the values of the plurality of position detecting units for the second truck to a second position control unit.Type: GrantFiled: April 9, 2015Date of Patent: December 19, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
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Publication number: 20150303841Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.Type: ApplicationFiled: April 9, 2015Publication date: October 22, 2015Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara