Patents by Inventor Akihito Mochizuki
Akihito Mochizuki 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: 8375149Abstract: A memory controller that controls data transfer between a volatile memory and a non-volatile memory, wherein data being held in a plurality of volatile memories each having a refresh operation mode and a self-refresh operation mode is transferred to the non-volatile memory. When readout of data from at least one volatile memory has been finished, the volatile memory is shifted from the refresh operation mode to the self-refresh operation mode. Then, control is performed so as to return the volatile memory from the self-refresh operation mode depending on the progress of writing of data to the non-volatile memory.Type: GrantFiled: April 18, 2012Date of Patent: February 12, 2013Assignee: Canon Kabushiki KaishaInventor: Akihito Mochizuki
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Publication number: 20120203962Abstract: A memory controller that controls data transfer between a volatile memory and a non-volatile memory, wherein data being held in a plurality of volatile memories each having a refresh operation mode and a self-refresh operation mode is transferred to the non-volatile memory. When readout of data from at least one volatile memory has been finished, the volatile memory is shifted from the refresh operation mode to the self-refresh operation mode. Then, control is performed so as to return the volatile memory from the self-refresh operation mode depending on the progress of writing of data to the non-volatile memory.Type: ApplicationFiled: April 18, 2012Publication date: August 9, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Akihito Mochizuki
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Patent number: 8190788Abstract: A memory controller that controls data transfer between a volatile memory and a non-volatile memory, wherein data being held in a plurality of volatile memories each having a refresh operation mode and a self-refresh operation mode is transferred to the non-volatile memory. When readout of data from at least one volatile memory has been finished, the volatile memory is shifted from the refresh operation mode to the self-refresh operation mode. Then, control is performed so as to return the volatile memory from the self-refresh operation mode depending on the progress of writing of data to the non-volatile memory.Type: GrantFiled: August 27, 2010Date of Patent: May 29, 2012Assignee: Canon Kabushiki KaishaInventor: Akihito Mochizuki
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Publication number: 20110066765Abstract: A memory controller that controls data transfer between a volatile memory and a non-volatile memory, wherein data being held in a plurality of volatile memories each having a refresh operation mode and a self-refresh operation mode is transferred to the non-volatile memory. When readout of data from at least one volatile memory has been finished, the volatile memory is shifted from the refresh operation mode to the self-refresh operation mode. Then, control is performed so as to return the volatile memory from the self-refresh operation mode depending on the progress of writing of data to the non-volatile memory.Type: ApplicationFiled: August 27, 2010Publication date: March 17, 2011Applicant: CANON KABUSHIKI KAISHAInventor: Akihito Mochizuki
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Patent number: 7428066Abstract: A printer emulating apparatus obtains a command signal which is outputted from a controller unit via an interface, and emulates a state of an engine unit in accordance with a notification of an elapsed time by a timer for notifying the elapse of a predetermined time and the obtained command signal. A response signal is transmitted via the interface in accordance with the emulated state of the engine unit and the obtained command signal. An image sync signal is generated to the controller unit in accordance with the emulated state of the engine unit.Type: GrantFiled: April 4, 2002Date of Patent: September 23, 2008Assignee: Canon Kabushiki KaishaInventors: Takeshi Shinomiya, Yukihiko Ogata, Isamu Ozawa, Masami Kato, Akihito Mochizuki
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Patent number: 7251046Abstract: In case of developing an image output apparatus including a controller to generate image data and an engine to form an image on a medium based on the image data, in order to verify the image data from the controller in real time, halftone image data before conversion into a PWM signal is converted into a serial signal and output instead of the PWM signal for output to the engine unit if a controller operation verification apparatus is used instead of the engine unit. Thus, multivalued halftone data not including an error due to a conversion process can be sent to the controller operation verification apparatus without adding signal line and driver circuit dedicated for sending the multivalued halftone data, whereby it is possible to improve development efficiency of the image output apparatus by accurate verification of the output image data.Type: GrantFiled: January 13, 2003Date of Patent: July 31, 2007Assignee: Canon Kabushiki KaishaInventors: Akihito Mochizuki, Yukihiko Ogata, Isamu Ozawa, Masami Kato, Takeshi Shinomiya
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Patent number: 7185053Abstract: A data communication device and method for reducing a load on a mail server. The device transmits image data from an electronic mail without using the electronic mail itself. The device functions by inputting image data, storing the image data, transmitting non-image data relating to the image data to a destination by electronic mail, recognizing an instruction received from that destination, and transmitting the stored image data without using electronic mail, but rather in a way requested in the instruction.Type: GrantFiled: June 7, 2000Date of Patent: February 27, 2007Assignee: Canon Kabushiki KaishaInventor: Akihito Mochizuki
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Publication number: 20050140992Abstract: An image output apparatus which is inexpensive, flexible and free from increases in cost and size of the apparatus due to an increase in buffer memory capacity brought about by higher image quality and from complication of the line separation process brought about by a change in printing paper size or resolution. An image memory stores a plurality of image data corresponding, respectively, to the plurality of light beams. A plurality of image data controllers convert respective ones of the plurality of image data output from the image memory into the plurality of image signals for controlling the plurality of light beams, respectively and output the image signals to the printer engine interface. A DMA controller transfers the plurality of image data stored in the image memory to the image data controllers according to processing results of the image data controllers.Type: ApplicationFiled: December 20, 2004Publication date: June 30, 2005Inventor: Akihito Mochizuki
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Publication number: 20030137683Abstract: In case of developing an image output apparatus including a controller to generate image data and an engine to form an image on a medium based on the image data, in order to verify the image data from the controller in real time, halftone image data before conversion into a PWM signal is converted into a serial signal and output instead of the PWM signal for output to the engine unit if a controller operation verification apparatus is used instead of the engine unit. Thus, multivalued halftone data not including an error due to a conversion process can be sent to the controller operation verification apparatus without adding signal line and driver circuit dedicated for sending the multivalued halftone data, whereby it is possible to improve development efficiency of the image output apparatus by accurate verification of the output image data.Type: ApplicationFiled: January 13, 2003Publication date: July 24, 2003Inventors: Akihito Mochizuki, Yukihiko Ogata, Isamu Ozawa, Masami Kato, Takeshi Shinomiya
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Publication number: 20020159086Abstract: A printer emulating apparatus obtains a command signal which is outputted from a controller unit via an interface, and emulates a state of an engine unit in accordance with a notification of an elapsed time by a timer for notifying the elapse of a predetermined time and the obtained command signal. A response signal is transmitted via the interface in accordance with the emulated state of the engine unit and the obtained command signal. An image sync signal is generated to the controller unit in accordance with the emulated state of the engine unit.Type: ApplicationFiled: April 4, 2002Publication date: October 31, 2002Inventors: Takeshi Shinomiya, Yukihiko Ogata, Isamu Ozawa, Masami Kato, Akihito Mochizuki
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Patent number: 6101526Abstract: A data communication apparatus and method for reducing a load on a mail server by transmitting image data based on the contents of an electronic mail by a transmission method other than electronic mail transmitted. The data communication method performed by the apparatus comprises inputting image data, storing the image data, transmitting predetermined-format data relating to the image data by electronic mail, recognizing an instruction received from a transmission destination to which the electronic mail was transmitted, and transmitting the stored image data by a transmission method other than electronic mail transmitted on the basis of the contents of the instruction.Type: GrantFiled: February 18, 1998Date of Patent: August 8, 2000Assignee: Canon Kabushiki KaishaInventor: Akihito Mochizuki
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Patent number: 5220437Abstract: A scanning control system for use in a transmission or reception system of a facsimile equipment for controlling the secondary scanning speed of an image reader or recorder provided therein. In the transmission system, the scanning control system is coupled to an image memory for storing image information inputted from the image reader and supplying the image information to a coder, and responsive to the input signal and output signal of the image memory so as to detect the remaining capacity of the image memory. The scanning control system controls the secondary scanning speed in accordance with the detection results of the remaining capacity of the image memory.Type: GrantFiled: November 27, 1990Date of Patent: June 15, 1993Assignee: Matsushita Graphic Communication Systems, Inc.Inventors: Hiroshi Saegusa, Masanori Kamata, Yasushi Nakajima, Akihito Mochizuki, Akihiro Nagai