Patents by Inventor Tomofumi Nishida
Tomofumi Nishida 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: 10005293Abstract: A printing apparatus includes a feeding roller to feed a sheet, a conveyance roller conveys the sheet, a printing head prints on the sheet, a reversing path that reverses the sheet from a first surface to a second surface, and a control unit that controls feeding of a preceding sheet and a succeeding sheet fed next to the preceding sheet. The control unit starts feeding of the succeeding sheet when a trailing edge of the preceding sheet, which was reversed by the reversing path, reaches a predetermined position and feeds the succeeding sheet so that a distance between the trailing edge of the preceding sheet and a leading edge of the succeeding sheet is within a predetermined range.Type: GrantFiled: August 25, 2016Date of Patent: June 26, 2018Assignee: Canon Kabushiki KaishaInventor: Tomofumi Nishida
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Publication number: 20180115671Abstract: A reading control apparatus is directed to improving convenience for a user when a reading device is caused to read a display surface of a terminal apparatus having the function of changing the size of an image to be displayed on a display device, and includes a reading unit configured to cause the reading device to read, as a reading target, the display surface, which is a surface including the display device of the terminal apparatus operating in either of a first state where an image in a first size is displayed on the display device, and a second state where the image in a second size smaller than the first size is displayed on the display device, thereby acquiring image data, and a notification unit configured to, in a case where the terminal apparatus placed on a document platen is not in the first state, execute a notification process.Type: ApplicationFiled: October 17, 2017Publication date: April 26, 2018Inventors: Syunichi Kunihiro, Shigeki Hachiro, Toshiyuki Kuroda, Kaede Furuichi, Tomofumi Nishida
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Patent number: 9944090Abstract: A printing apparatus includes: a feeding unit feeding a sheet; a conveying unit conveying the sheet fed by the feeding unit; a printing unit printing the sheet conveyed by the conveying unit; an inversion path inverting the sheet printed on a first surface by the printing unit and conveying the sheet to the conveying unit; and a conveyance control unit performing conveyance control of overlapping a trailing edge of a preceding sheet conveyed through the inversion path and a leading edge of a succeeding sheet fed following the preceding sheet.Type: GrantFiled: August 25, 2016Date of Patent: April 17, 2018Assignee: Canon Kabushiki KaishaInventor: Tomofumi Nishida
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Publication number: 20180097954Abstract: When a reading target object that includes a light emitting region is set as a reading target, the light emitting region is detected by a reading mechanism of a reading unit. The reading unit is caused to read the detected light emitting region, and in the reading, a read operation by the reading unit is controlled based on change of an amount of light received from the light emitting region.Type: ApplicationFiled: September 15, 2017Publication date: April 5, 2018Inventors: Shigeki Hachiro, Kaede Furuichi, Toshiyuki Kuroda, Syunichi Kunihiro, Tomofumi Nishida
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Patent number: 9900460Abstract: It is determined based on processing to be performed on image data generated by reading by a first reading unit and a second reading unit, whether to separate, into image data of the first surface and image data of the second surface, image data that has been generated by reading by the first reading unit configured to read the first surface of a document, and the second reading unit configured to read the second surface of the document, and that includes the first surface and the second surface. When it is determined to separate the image data, the image data including the first surface and the second surface is separated into the image data of the first surface and the image data of the second surface.Type: GrantFiled: July 30, 2015Date of Patent: February 20, 2018Assignee: Canon Kabushiki KaishaInventors: Shigeki Hachiro, Hideyuki Kido, Tomofumi Nishida, Toshiyuki Kuroda
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Publication number: 20170129726Abstract: A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet.Type: ApplicationFiled: January 24, 2017Publication date: May 11, 2017Inventors: Tomofumi Nishida, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tetsuya Saito, Yoshiaki Suzuki, Syunichi Kunihiro
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Patent number: 9636931Abstract: A printing apparatus comprises a maintenance unit configured to execute a maintenance operation between a completion of printing on a preceding sheet serving as the printing sheet fed from a stacking unit first and a start of printing on a succeeding sheet serving as the printing sheet fed from the stacking unit next, and a determination unit configured to determine whether to execute the maintenance operation, wherein the determination unit determines, based on a feeding method of the succeeding sheet, whether to execute the maintenance operation.Type: GrantFiled: July 28, 2015Date of Patent: May 2, 2017Assignee: Canon Kabushiki KaishaInventors: Akiyoshi Sahara, Tetsuya Edamura, Atsushi Takahashi, Tomofumi Nishida, Toshiyuki Kuroda
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Publication number: 20170066261Abstract: A printing apparatus includes a feeding roller configured to feed a sheet, a conveyance roller configured to convey the sheet fed by the feeding roller, a printhead configured to print the sheet conveyed by the conveyance roller, and a control unit configured to, when performing a printing operation on both sides of the sheet, start to feed a succeeding sheet before the printing operation on a back surface of a preceding sheet is complete, and maintain a distance between a trailing edge of the preceding sheet and a leading edge of the succeeding sheet at an almost constant distance after feeding of the succeeding sheet starts.Type: ApplicationFiled: August 25, 2016Publication date: March 9, 2017Inventor: Tomofumi Nishida
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Publication number: 20170066260Abstract: A printing apparatus includes: a feeding unit feeding a sheet; a conveying unit conveying the sheet fed by the feeding unit; a printing unit printing the sheet conveyed by the conveying unit; an inversion path inverting the sheet printed on a first surface by the printing unit and conveying the sheet to the conveying unit; and a conveyance control unit performing conveyance control of overlapping a trailing edge of a preceding sheet conveyed through the inversion path and a leading edge of a succeeding sheet fed following the preceding sheet.Type: ApplicationFiled: August 25, 2016Publication date: March 9, 2017Inventor: Tomofumi Nishida
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Patent number: 9586780Abstract: A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet.Type: GrantFiled: February 17, 2015Date of Patent: March 7, 2017Assignee: Canon Kabushiki KaishaInventors: Tomofumi Nishida, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tetsuya Saito, Yoshiaki Suzuki, Syunichi Kunihiro
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Patent number: 9388010Abstract: A printing apparatus comprises a feeding roller, a conveyance roller, a printing unit configured to print the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet, wherein if a non-printing area of the succeeding sheet cannot be detected before a printing operation of a last row of the preceding sheet, the conveyance control unit controls to convey the preceding sheet while feeding of the succeeding sheet stops, and to convey only the succeeding sheet to the position facing the printing unit.Type: GrantFiled: June 3, 2015Date of Patent: July 12, 2016Assignee: Canon Kabushiki KaishaInventors: Syunichi Kunihiro, Tomofumi Nishida
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Patent number: 9370946Abstract: A printing apparatus comprises a feeding roller configured to feed a printing sheet, a conveyance roller configured to convey the printing sheet, a printing unit configured to print on the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, a determination unit configured to determine whether the leading edge of the succeeding sheet overlaps the trailing edge of the preceding sheet, and a delay unit configured to delay conveyance of the preceding sheet when the determination unit determines that the leading edge of the succeeding sheet does not overlap the trailing edge of the preceding sheet.Type: GrantFiled: May 27, 2015Date of Patent: June 21, 2016Assignee: Canon Kabushiki KaishaInventors: Tomofumi Nishida, Yoshiaki Suzuki, Noriyuki Sugiyama, Yasuyuki Asai, Masashi Ito, Naoki Aoyama, Syunichi Kunihiro
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Publication number: 20160052308Abstract: A printing apparatus comprises a maintenance unit configured to execute a maintenance operation between a completion of printing on a preceding sheet serving as the printing sheet fed from a stacking unit first and a start of printing on a succeeding sheet serving as the printing sheet fed from the stacking unit next, and a determination unit configured to determine whether to execute the maintenance operation, wherein the determination unit determines, based on a feeding method of the succeeding sheet, whether to execute the maintenance operation.Type: ApplicationFiled: July 28, 2015Publication date: February 25, 2016Inventors: Akiyoshi Sahara, Tetsuya Edamura, Atsushi Takahashi, Tomofumi Nishida, Toshiyuki Kuroda
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Publication number: 20160050334Abstract: It is determined based on processing to be performed on image data generated by reading by a first reading unit and a second reading unit, whether to separate, into image data of the first surface and image data of the second surface, image data that has been generated by reading by the first reading unit configured to read the first surface of a document, and the second reading unit configured to read the second surface of the document, and that includes the first surface and the second surface. When it is determined to separate the image data, the image data including the first surface and the second surface is separated into the image data of the first surface and the image data of the second surface.Type: ApplicationFiled: July 30, 2015Publication date: February 18, 2016Inventors: Shigeki Hachiro, Hideyuki Kido, Tomofumi Nishida, Toshiyuki Kuroda
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Patent number: 9232106Abstract: An apparatus for moving a unit to execute scanning includes a scanning unit including a motor, an encoder for outputting a signal according to movement of the unit, a detection unit for detecting a current supplied to the motor, a speed control unit for executing a speed control of the motor according to the signal output from the encoder and the current detected by the detection unit, a movement control unit for setting a threshold value, moving the unit by driving the motor, by using the speed control unit, and a current control unit for setting a value greater than the predetermined value according to the threshold value and value of the current detected by the detection unit at a predetermined timing during a time period while the unit is moving.Type: GrantFiled: October 17, 2013Date of Patent: January 5, 2016Assignee: Canon Kabushiki KaishaInventors: Tomofumi Nishida, Nobutsune Kobayashi, Shinichi Yukiura, Hideyuki Kido, Ryoji Kanoyadani
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Publication number: 20150368055Abstract: A printing apparatus comprises a feeding roller, a conveyance roller, a printing unit configured to print the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet, wherein if a non-printing area of the succeeding sheet cannot be detected before a printing operation of a last row of the preceding sheet, the conveyance control unit controls to convey the preceding sheet while feeding of the succeeding sheet stops, and to convey only the succeeding sheet to the position facing the printing unit.Type: ApplicationFiled: June 3, 2015Publication date: December 24, 2015Inventors: Syunichi Kunihiro, Tomofumi Nishida
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Publication number: 20150353307Abstract: A printing apparatus comprises a feeding roller configured to feed a printing sheet, a conveyance roller configured to convey the printing sheet, a printing unit configured to print on the printing sheet, a conveyance control unit configured to control conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, a determination unit configured to determine whether the leading edge of the succeeding sheet overlaps the trailing edge of the preceding sheet, and a delay unit configured to delay conveyance of the preceding sheet when the determination unit determines that the leading edge of the succeeding sheet does not overlap the trailing edge of the preceding sheet.Type: ApplicationFiled: May 27, 2015Publication date: December 10, 2015Inventors: Tomofumi Nishida, Yoshiaki Suzuki, Noriyuki Sugiyama, Yasuyuki Asai, Masashi Ito, Naoki Aoyama, Syunichi Kunihiro
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Publication number: 20150251865Abstract: A printing apparatus includes a feeding roller configured to feed a printing sheet stacked on a stacking unit, a conveyance roller configured to convey the printing sheet fed by the feeding roller, a printing unit configured to print the printing sheet conveyed by the conveyance roller, a conveyance control unit configured to control conveyance of printing sheets so that the trailing edge of a preceding sheet as a printing sheet precedingly fed from the stacking unit and the leading edge of a succeeding sheet as a printing sheet succeedingly fed from the stacking unit overlap each other, and a determination unit configured to determine whether to convey the succeeding sheet to a position facing the printing unit while keeping an overlap state between the preceding sheet and the succeeding sheet.Type: ApplicationFiled: February 17, 2015Publication date: September 10, 2015Inventors: Tomofumi Nishida, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tetsuya Saito, Yoshiaki Suzuki, Syunichi Kunihiro
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Publication number: 20150256694Abstract: A printing apparatus includes a first feeding roller, a feeding motor configured to drive the first feeding roller, a second feeding roller, a conveyance roller, a conveyance motor configured to drive the conveyance roller, a printing unit configured to print the printing sheet, a detection sensor configured to detect the leading edge of the printing sheet, and a control unit configured to, when the printing unit performs a printing operation on a preceding sheet, drive the feeding motor in synchronization with the conveyance motor before the detection sensor detects the leading edge of a succeeding sheet, and continuously drive the feeding motor so that the conveying speed of the succeeding sheet by the feeding motor becomes higher than that of the preceding sheet after the detection sensor detects the leading edge of the succeeding sheet.Type: ApplicationFiled: February 17, 2015Publication date: September 10, 2015Inventors: Yoshiaki Suzuki, Tetsuya Saito, Noriyuki Sugiyama, Yasuyuki Asai, Motoyuki Taguchi, Tomofumi Nishida, Syunichi Kunihiro
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Publication number: 20140036321Abstract: An apparatus for moving a unit to execute scanning includes a scanning unit including a motor, an encoder for outputting a signal according to movement of the unit, a detection unit for detecting a current supplied to the motor, a speed control unit for executing a speed control of the motor according to the signal output from the encoder and the current detected by the detection unit, a movement control unit for setting a threshold value, moving the unit by driving the motor, by using the speed control unit, and a current control unit for setting a value greater than the predetermined value according to the threshold value and value of the current detected by the detection unit at a predetermined timing during a time period while the unit is moving.Type: ApplicationFiled: October 17, 2013Publication date: February 6, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Tomofumi Nishida, Nobutsune Kobayashi, Shinichi Yukiura, Hideyuki Kido, Ryoji Kanoyadani