Patents by Inventor Akira Morisawa
Akira Morisawa 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: 8605319Abstract: Provided is an image reading apparatus communicatable with an image processing apparatus, including: a first reader that reads an image of a first side of a document; a first storage that stores the image read by the first reader; a second reader that reads an image of a second side of the document; a second storage that stores the image read by the second reader; a transmitter that transmits the images stored in the first storage and the second storage to the image processing apparatus; and a controller that, with respect to a first document whose length in a conveyance direction is longer than a predetermined length, causes the transmitter to transmit the image read by the first reader to the image processing apparatus, and causes the first storage and the second storage to store the image read by the second reader.Type: GrantFiled: April 30, 2008Date of Patent: December 10, 2013Assignee: Canon Kabushiki KaishaInventor: Akira Morisawa
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Patent number: 8582126Abstract: A design support method of verifying control on a device of an image forming apparatus registers, in a storage device, trigger information for specifying a content of control to be executed when a start condition for switching the control state of the device is satisfied (S1002). The apparatus then registers, in the storage device, the allowable range of the state change of the device due to control switched when the start condition is satisfied (S1003). The apparatus then verifies whether the state change of the device due to the control switched when the start condition is satisfied falls outside the allowable range, by referring to the operation state of the device which is input through an input unit, and the trigger information registered in the storage device (S1004).Type: GrantFiled: September 11, 2007Date of Patent: November 12, 2013Assignee: Canon Kabushiki KaishaInventors: Toru Ono, Masahiro Serizawa, Hideyuki Ikegami, Akira Morisawa
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Patent number: 8503049Abstract: A document reading apparatus includes a document positioning plate configured to position a document, a carriage configured to move a light source along the document positioning plate, a reading unit configured to read an image of a document illuminated by a light source of the carriage, a white reference member provided in the displacement range of the carriage, an input unit configured to input a reading start instruction for a document, and a control unit configured to move the carriage along the document positioning plate in response to a reading start instruction input via the input unit. The control unit moves the carriage to a first position at which the white reference member is provided, cause the reading unit to read the white reference member, moves the carriage to a second position that is an acceleration start position for accelerating toward the reading start position of the document positioning plate, and waits for a reading start instruction input from the input unit.Type: GrantFiled: March 23, 2010Date of Patent: August 6, 2013Assignee: Canon Kabushiki KaishaInventors: Youhei Kattou, Shigemichi Hamano, Nobuo Sekiguchi, Kenji Morita, Akiko Kanno, Satoshi Seki, Akira Morisawa
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Patent number: 8345330Abstract: In reading an image of a document in a monochromatic document reading mode, a document reading apparatus reads the image of the document while conveying the document at a speed determined according to a variable magnification ratio, executes digital variable magnification on the read multivalued image in a main scanning direction by using a main scanning direction variable magnification unit, binarizes the multivalued image, and stores the binary image on a memory. In reading an image in a color document reading mode, the document reading apparatus reads the image of the document while conveying the document at a predetermined speed, stores the read multivalued image on the memory, and executes digital variable magnification on the multivalued image in the main scanning direction and a sub scanning direction.Type: GrantFiled: October 12, 2009Date of Patent: January 1, 2013Assignee: Canon Kabushiki KaishaInventors: Akiko Kanno, Nobuo Sekiguchi, Shigemichi Hamano, Kenji Morita, Youhei Kattou, Satoshi Seki, Akira Morisawa
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Patent number: 8108192Abstract: A simulator apparatus simulates a behavior of an image forming apparatus in order to verify the behavior. The simulator apparatus includes a computing unit that performs a simulation operation on the behavior of the image forming apparatus, and a selection unit that selects a simulation speed of the computing unit.Type: GrantFiled: May 31, 2007Date of Patent: January 31, 2012Assignee: Canon Kabushiki KaishaInventors: Hideyuki Ikegami, Toru Ono, Masahiro Serizawa, Akira Morisawa
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Publication number: 20120013958Abstract: A document reading apparatus includes a document positioning plate configured to position a document, a carriage configured to move a light source along the document positioning plate, a reading unit configured to read an image of a document illuminated by a light source of the carriage, a white reference member provided in the displacement range of the carriage, an input unit configured to input a reading start instruction for a document, and a control unit configured to move the carriage along the document positioning plate in response to a reading start instruction input via the input unit. The control unit moves the carriage to a first position at which the white reference member is provided, cause the reading unit to read the white reference member, moves the carriage to a second position that is an acceleration start position for accelerating toward the reading start position of the document positioning plate, and waits for a reading start instruction input from the input unit.Type: ApplicationFiled: March 23, 2010Publication date: January 19, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Youhei Kattou, Shigemichi Hamano, Nobuo Sekiguchi, Kenji Morita, Akiko Kanno, Satoshi Seki, Akira Morisawa
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Patent number: 7966167Abstract: A design support method of inspecting control on an image forming apparatus based on a simulation result of operation control on a virtual device which is modeled to simulate operation of the image forming apparatus includes the steps of referring to control definition information for determining whether an operation request is proper with respect to a virtual device for which the operation request is input, in accordance with an operating state of the virtual device, and determining, based on the control definition information referred to in the referring step whether operation of the virtual device can be performed.Type: GrantFiled: September 5, 2007Date of Patent: June 21, 2011Assignee: Canon Kabushiki KaishaInventors: Masahiro Serizawa, Akira Morisawa, Hideyuki Ikegami, Toru Ono
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Patent number: 7782505Abstract: An image reading apparatus which enables reduction of time to be taken from a job start instruction to a reading operation start. An automatic document feeder unit feeds an original. An upstream reader reads an image on one side of the original fed by the automatic document feeder unit. A downstream reader is disposed downstream of the upstream reader in an original feeding direction, to read an image on another side of the original. The upstream reader and the downstream reader read images of respective white reference plates, and the image reading apparatus generates correction data for the upstream reader and the downstream reader based on the images of the respective white reference plates read by the upstream reader and the downstream reader.Type: GrantFiled: June 14, 2007Date of Patent: August 24, 2010Assignee: Canon Kabushiki KaishaInventors: Kenji Morita, Shigemichi Hamano, Akiko Kanno, Atsushi Chaki, Masahiro Serizawa, Akira Morisawa, Hideyuki Ikegami, Satoshi Okawa
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Publication number: 20100103484Abstract: In reading an image of a document in a monochromatic document reading mode, a document reading apparatus reads the image of the document while conveying the document at a speed determined according to a variable magnification ratio, executes digital variable magnification on the read multivalued image in a main scanning direction by using a main scanning direction variable magnification unit, binarizes the multivalued image, and stores the binary image on a memory. In reading an image in a color document reading mode, the document reading apparatus reads the image of the document while conveying the document at a predetermined speed, stores the read multivalued image on the memory, and executes digital variable magnification on the multivalued image in the main scanning direction and a sub scanning direction.Type: ApplicationFiled: October 12, 2009Publication date: April 29, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Akiko Kanno, Nobuo Sekiguchi, Shigemichi Hamano, Kenji Morita, Youhei Kattou, Satoshi Seki, Akira Morisawa
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Patent number: 7692678Abstract: A laser light control device for an image forming apparatus designed to improve the auto power control (APC) accuracy and to reduce the control time. A multifunctional optical element has a plurality of different optical characteristics. A detecting unit is adapted to detect laser light from the semiconductor laser. A control unit is adapted to perform control of the write start position of the laser light in the main scanning direction and control of the quantity of the laser light by detecting the laser light by means of the detecting unit after passage of the laser light through the multifunctional optical element.Type: GrantFiled: August 23, 2007Date of Patent: April 6, 2010Assignee: Canon Kabushiki KaishaInventors: Akira Morisawa, Yoshihiro Ishibe
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Patent number: 7583408Abstract: An image density in a predetermined section of an image represented by an image signal is calculated on the basis of the image signal, and the calculated image density is compared with the result of detection of a density in the predetermined section of a toner image formed on the basis of the image signal. Then, it is determined whether or not to perform a density-adjusting process in which an image-density adjustment is performed on the basis of correction pattern data. Thus, the density adjustment is performed at a suitable timing while monitoring the density of images formed in a normal image-forming operation.Type: GrantFiled: August 23, 2006Date of Patent: September 1, 2009Assignee: Canon Kabushiki KaishaInventors: Yoritsugu Maeda, Akira Morisawa
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Publication number: 20080273229Abstract: Provided is an image reading apparatus communicatable with an image processing apparatus, including: a first reader that reads an image of a first side of a document; a first storage that stores the image read by the first reader; a second reader that reads an image of a second side of the document; a second storage that stores the image read by the second reader; a transmitter that transmits the images stored in the first storage and the second storage to the image processing apparatus; and a controller that, with respect to a first document whose length in a conveyance direction is longer than a predetermined length, causes the transmitter to transmit the image read by the first reader to the image processing apparatus, and causes the first storage and the second storage to store the image read by the second reader.Type: ApplicationFiled: April 30, 2008Publication date: November 6, 2008Applicant: CANON KABUSHIKI KAISHAInventor: Akira Morisawa
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Patent number: 7440880Abstract: A computer readable design support program for inspecting a processing operation of software that controls a sheet conveyance mechanism by displaying the behavior of feeding a virtual sheet from a virtual sheet stock portion on a display portion, includes a sheets number setting procedure of setting the sheets number of virtual sheets stored in the virtual sheet stock portion, a sheet feed display procedure of displaying the behavior of feeding the virtual sheet from the virtual sheet stock portion on the display portion, a stored sheets number subtraction procedure of subtracting the stored sheets number of virtual sheets corresponding to the virtual sheet stock portion to which the virtual sheet is supplied in the sheet feed display procedure, a judgment procedure of judging whether or not the virtual sheet is used up in the virtual sheet stock portion where the stored sheets number of virtual sheets is subtracted in the stored sheets number subtraction procedure, and a paper out display procedure of displaType: GrantFiled: October 11, 2005Date of Patent: October 21, 2008Assignee: Canon Kabushiki KaishaInventors: Hideyuki Ikegami, Atsushi Chaki, Satoru Yamamoto, Masahiro Serizawa, Akira Morisawa
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Patent number: 7436529Abstract: The present invention, which includes a USB interface for receiving recording data from an external processor by using a first logical channel of multiple logical channels thereof, a recording unit for recording an image on the basis of recording data, and the USB interface for connecting with the recording unit, transfers recording data to the recoding unit via the USB interface and causes the recording unit to record, while forbidding to receive the recording data from the external processor via the USB interface during a recording operation of the recording unit.Type: GrantFiled: April 4, 2003Date of Patent: October 14, 2008Assignee: Canon Kabushiki KaishaInventors: Hitoshi Saito, Akira Morisawa
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Patent number: 7415399Abstract: A design support method capable of verifying correct processing operation of software for controlling a paper transport mechanism by using a computer includes a displaying step of displaying a simulation screen relating to transport of virtual paper on a display unit of the computer, a jam setting step of presetting a condition for causing a paper jam with respect to the virtual paper, a jam causing step of causing the paper jam in accordance with the condition preset in the jam setting step, a selecting step of, when the paper jam is caused by the jam causing step, selecting a sheet of virtual paper, the sheet being subjected to the paper jam, by an instruction from a user, and a deleting step of deleting the sheet of virtual paper selected by the selecting step from the simulation screen.Type: GrantFiled: December 12, 2005Date of Patent: August 19, 2008Assignee: Canon Kabushiki KaishaInventors: Hideyuki Ikegami, Akiko Kanno, Masahiro Serizawa, Toru Ono, Akira Morisawa
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Publication number: 20080068669Abstract: A design support method of verifying control on a device of an image forming apparatus registers, in a storage device, trigger information for specifying a content of control to be executed when a start condition for switching the control state of the device is satisfied (S1002). The apparatus then registers, in the storage device, the allowable range of the state change of the device due to control switched when the start condition is satisfied (S1003). The apparatus then verifies whether the state change of the device due to the control switched when the start condition is satisfied falls outside the allowable range, by referring to the operation state of the device which is input through an input unit, and the trigger information registered in the storage device (S1004).Type: ApplicationFiled: September 11, 2007Publication date: March 20, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Toru Ono, Masahiro Serizawa, Hideyuki Ikegami, Akira Morisawa
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Publication number: 20080065367Abstract: A design support method of inspecting control on an image forming apparatus based on a simulation result of operation control on a virtual device which is modeled to simulate operation of the image forming apparatus includes the steps of referring to control definition information for determining whether an operation request is proper with respect to a virtual device for which the operation request is input, in accordance with an operating state of the virtual device, and determining, based on the control definition information referred to in the referring step whether operation of the virtual device can be performed.Type: ApplicationFiled: September 5, 2007Publication date: March 13, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Masahiro Serizawa, Akira Morisawa, Hideyuki Ikegami, Toru Ono
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Publication number: 20080049797Abstract: A laser light control device for an image forming apparatus designed to improve the auto power control (APC) accuracy and to reduce the control time. A multifunctional optical element has a plurality of different optical characteristics. A detecting unit is adapted to detect laser light from the semiconductor laser. A control unit is adapted to perform control of the write start position of the laser light in the main scanning direction and control of the quantity of the laser light by detecting the laser light by means of the detecting unit after passage of the laser light through the multifunctional optical element.Type: ApplicationFiled: August 23, 2007Publication date: February 28, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Akira Morisawa, Yoshihiro Ishibe
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Publication number: 20070291326Abstract: An image reading apparatus which enables reduction of time to be taken from a job start instruction to a reading operation start. An automatic document feeder unit feeds an original. An upstream reader reads an image on one side of the original fed by the automatic document feeder unit. A downstream reader is disposed downstream of the upstream reader in an original feeding direction, to read an image on another side of the original. The upstream reader and the downstream reader read images of respective white reference plates, and the image reading apparatus generates correction data for the upstream reader and the downstream reader based on the images of the respective white reference plates read by the upstream reader and the downstream reader.Type: ApplicationFiled: June 14, 2007Publication date: December 20, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Kenji MORITA, Shigemichi HAMANO, Akiko KANNO, Atsushi CHAKI, Masahiro SERIZAWA, Akira MORISAWA, Hideyuki IKEGAMI, Satoshi OKAWA
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Publication number: 20070288218Abstract: A simulator apparatus simulates a behavior of an image forming apparatus in order to verify the behavior. The simulator apparatus includes a computing unit that performs a simulation operation on the behavior of the image forming apparatus, and a selection unit that selects a simulation speed of the computing unit.Type: ApplicationFiled: May 31, 2007Publication date: December 13, 2007Applicant: CANON KABUSHIKI KAISHAInventors: Hideyuki IKEGAMI, Toru ONO, Masahiro SERIZAWA, Akira MORISAWA