Patents by Inventor Kazuhiro Takazawa
Kazuhiro Takazawa 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: 11216906Abstract: A display apparatus mountable on a mobile object, which: obtains a display location and a movement direction of a virtual object to be displayed in a display area of the display apparatus so as to be overlaid in a real world, the virtual object to be moved relative to movement of the mobile object; estimates a time it will take for the virtual object to move from the display location to a border of the display area, or a distance between the display location of the virtual object and the border of the display area, each based on the display location and the moving direction of the virtual object; determines a display form of the virtual object based on the estimated time or the estimated distance; and causes the virtual object be displayed in the determined display form, such that the virtual object changes the display form while moving in the display area.Type: GrantFiled: September 12, 2019Date of Patent: January 4, 2022Assignee: RICOH COMPANY, LTD.Inventor: Kazuhiro Takazawa
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Publication number: 20200333608Abstract: Disclosed is a display device for displaying a virtual image so as to be visually perceived by an occupant of a moving body through a transparent member. The display device includes an image generator configured to generate an image to be displayed as a virtual image; an orientation information acquisition unit configured to acquire information on an orientation of the moving body; and a display change processor configured to change the display of the virtual image in accordance with the information on the orientation acquired by the orientation information acquisition unit.Type: ApplicationFiled: October 12, 2018Publication date: October 22, 2020Inventors: Keita KATAGIRI, Kenichiroh SAISHO, Hiroshi YAMAGUCHI, Masato KUSANAGI, Yuuki SUZUKI, Kazuhiro TAKAZAWA, Tomoyuki TSUKUDA
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Publication number: 20200005430Abstract: A display apparatus mountable on a mobile object, which: obtains a display location and a movement direction of a virtual object to be displayed in a display area of the display apparatus so as to be overlaid in a real world, the virtual object to be moved relative to movement of the mobile object; estimates a time it will take for the virtual object to move from the display location to a border of the display area, or a distance between the display location of the virtual object and the border of the display area, each based on the display location and the moving direction of the virtual object; determines a display form of the virtual object based on the estimated time or the estimated distance; and causes the virtual object be displayed in the determined display form, such that the virtual object changes the display form while moving in the display area.Type: ApplicationFiled: September 12, 2019Publication date: January 2, 2020Applicant: Ricoh Company, Ltd.Inventor: Kazuhiro TAKAZAWA
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Patent number: 10453176Abstract: A display apparatus mountable on a mobile object, which: obtains a display location and a movement direction of a virtual object to be displayed in a display area of the display apparatus so as to be overlaid in a real world, the virtual object to be moved relative to movement of the mobile object; estimates a time it will take for the virtual object to move from the display location to a border of the display area, or a distance between the display location of the virtual object and the border of the display area, each based on the display location and the moving direction of the virtual object; determines a display form of the virtual object based on the estimated time or the estimated distance; and causes the virtual object be displayed in the determined display form, such that the virtual object changes the display form while moving in the display area.Type: GrantFiled: October 31, 2017Date of Patent: October 22, 2019Assignee: RICOH COMPANY, LTD.Inventor: Kazuhiro Takazawa
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Publication number: 20180137601Abstract: A display apparatus mountable on a mobile object, which: obtains a display location and a movement direction of a virtual object to be displayed in a display area of the display apparatus so as to be overlaid in a real world, the virtual object to be moved relative to movement of the mobile object; estimates a time it will take for the virtual object to move from the display location to a border of the display area, or a distance between the display location of the virtual object and the border of the display area, each based on the display location and the moving direction of the virtual object; determines a display form of the virtual object based on the estimated time or the estimated distance; and causes the virtual object be displayed in the determined display form, such that the virtual object changes the display form while moving in the display area.Type: ApplicationFiled: October 31, 2017Publication date: May 17, 2018Inventor: Kazuhiro TAKAZAWA
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Patent number: 9912427Abstract: A reception apparatus for receiving data from a transmission apparatus includes a data receiver configured to receive a synchronization packet including clock information generated by the transmission apparatus and data from the transmission apparatus, a storage memory, storing the received data, a clock adjuster configured to correct a clock of the reception apparatus based on a deviation between a clock of the transmission apparatus and the clock of the reception apparatus by using the clock information generated by the transmission apparatus, a controller configured to control a clock correction amount of the clock adjuster based on a storage amount of data in the storage memory, and a data output circuit configured to retrieve the data from the storage memory to output the retrieved data in synchronization with the corrected clock.Type: GrantFiled: June 29, 2016Date of Patent: March 6, 2018Assignee: Ricoh Company, Ltd.Inventors: Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Shirataka, Yasuko Hashimoto, Satoshi Aoki
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Patent number: 9846043Abstract: A map creation apparatus includes an image receiver configured to receive images in time series while moving; a first calculator configured to extract an image area indicating an object from the images and calculate a coordinate of the object in a world coordinate system; a second calculator configured to track the object in the extracted image area with the images and calculate an optical flow of the object; an eliminator configured to calculate a difference in coordinate between vanishing points generated by the movement of the image receiver and the object based on the optical flow, and eliminate the image area of the object from the images when determining the object as a moving object based on the calculated difference; and a storage controller configured to store map information including the coordinate of the object, not eliminated by the moving object eliminator, in the world coordinate system.Type: GrantFiled: December 14, 2015Date of Patent: December 19, 2017Assignee: RICOH COMPANY, LTD.Inventors: Satoshi Aoki, Tamon Sadasue, Yasuhiro Kajiwara, Kazuhiro Takazawa, Kazufumi Matsushita, Yasuko Hashimoto, Yasuko Shirataka
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Publication number: 20170019245Abstract: A reception apparatus for receiving data from a transmission apparatus includes a data receiver configured to receive a synchronization packet including clock information generated by the transmission apparatus and data from the transmission apparatus, a storage memory, storing the received data, a clock adjuster configured to correct a clock of the reception apparatus based on a deviation between a clock of the transmission apparatus and the clock of the reception apparatus by using the clock information generated by the transmission apparatus, a controller configured to control a clock correction amount of the clock adjuster based on a storage amount of data in the storage memory, and a data output circuit configured to retrieve the data from the storage memory to output the retrieved data in synchronization with the corrected clock.Type: ApplicationFiled: June 29, 2016Publication date: January 19, 2017Applicant: Ricoh Company, Ltd.Inventors: Tamon SADASUE, Yasuhiro KAJIWARA, Kazuhiro TAKAZAWA, Kazufumi MATSUSHITA, Yasuko SHIRATAKA, Yasuko HASHIMOTO, Satoshi AOKI
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Patent number: 9456220Abstract: An image coding device encodes image data in units of encoding line number that is number of lines necessary for implementing encoding. The image coding device includes: an image-data transforming unit that transforms image data of lines, number of which is smaller than the encoding-line number, into to-be-encoded image data of the encoding-line number of lines; and an encoding unit that encodes the to-be-encoded image data.Type: GrantFiled: July 2, 2015Date of Patent: September 27, 2016Assignee: RICOH COMPANY, LTD.Inventors: Kazuhiro Takazawa, Satoshi Aoki, Yasuhiro Kajiwara, Tamon Sadasue, Kenji Suzuki, Kazufumi Matsushita
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Patent number: 9400562Abstract: An image projection device for projecting an image on a projection object includes a detecting unit configured to detect a detection object present within an object space corresponding to the image projected by the image projection device; a recognizing unit configured to recognize an instruction motion of a user based on detection of the detection object by the detecting unit; and an output unit configured to generate an output corresponding to the instruction motion recognized within the object space by the recognizing unit from the instruction motion and the image projected by the image projection device.Type: GrantFiled: December 19, 2013Date of Patent: July 26, 2016Assignee: RICOH COMPANY, LTD.Inventor: Kazuhiro Takazawa
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Publication number: 20160196654Abstract: A map creation apparatus includes an image receiver configured to receive images in time series while moving; a first calculator configured to extract an image area indicating an object from the images and calculate a coordinate of the object in a world coordinate system; a second calculator configured to track the object in the extracted image area with the images and calculate an optical flow of the object; an eliminator configured to calculate a difference in coordinate between vanishing points generated by the movement of the image receiver and the object based on the optical flow, and eliminate the image area of the object from the images when determining the object as a moving object based on the calculated difference; and a storage controller configured to store map information including the coordinate of the object, not eliminated by the moving object eliminator, in the world coordinate system.Type: ApplicationFiled: December 14, 2015Publication date: July 7, 2016Applicant: RICOH COMPANY, LTD.Inventors: Satoshi Aoki, Tamon SADASUE, Yasuhiro KAJIWARA, Kazuhiro TAKAZAWA, Kazufumi MATSUSHITA, Yasuko HASHIMOTO, Yasuko SHIRATAKA
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Patent number: 9360941Abstract: An information processing apparatus includes: a control-permission/denial storage unit that stores therein permission/denial information as to whether or not execution of respective control actions in response to a predetermined motions made by users is permitted to roles of the users; a motion detecting unit that detects a predetermined motion from images captured by an image capturing device; and a control-permission/denial determining unit that determines whether or not execution of a control action in response to a predetermined motion made by a user and detected by the motion detecting unit is permitted to a role of the user based on the control-permission/denial storage unit.Type: GrantFiled: May 1, 2013Date of Patent: June 7, 2016Assignee: Ricoh Company, Ltd.Inventors: Yuuichiroh Hayashi, Kazuhiro Takazawa, Satoshi Mitsui
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Publication number: 20160014429Abstract: An image coding device encodes image data in units of encoding line number that is number of lines necessary for implementing encoding. The image coding device includes: an image-data transforming unit that transforms image data of lines, number of which is smaller than the encoding-line number, into to-be-encoded image data of the encoding-line number of lines; and an encoding unit that encodes the to-be-encoded image data.Type: ApplicationFiled: July 2, 2015Publication date: January 14, 2016Inventors: Kazuhiro TAKAZAWA, Satoshi AOKI, Yasuhiro KAJIWARA, Tamon SADASUE, Kenji SUZUKI, Kazufumi MATSUSHITA
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Publication number: 20140198030Abstract: An image projection device for projecting an image on a projection object includes a detecting unit configured to detect a detection object present within an object space corresponding to the image projected by the image projection device; a recognizing unit configured to recognize an instruction motion of a user based on detection of the detection object by the detecting unit; and an output unit configured to generate an output corresponding to the instruction motion recognized within the object space by the recognizing unit from the instruction motion and the image projected by the image projection device.Type: ApplicationFiled: December 19, 2013Publication date: July 17, 2014Inventor: Kazuhiro TAKAZAWA
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Publication number: 20130307774Abstract: An information processing apparatus includes: a control-permission/denial storage unit that stores therein permission/denial information as to whether or not execution of respective control actions in response to a predetermined motions made by users is permitted to roles of the users; a motion detecting unit that detects a predetermined motion from images captured by an image capturing device; and a control-permission/denial determining unit that determines whether or not execution of a control action in response to a predetermined motion made by a user and detected by the motion detecting unit is permitted to a role of the user based on the control-permission/denial storage unit.Type: ApplicationFiled: May 1, 2013Publication date: November 21, 2013Inventors: Yuuichiroh HAYASHI, Kazuhiro Takazawa, Satoshi Mitsui
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Publication number: 20130249788Abstract: An information processing apparatus includes: a role storage unit that stores therein motion information concerning a motion of a user and a role of the user in a manner associated with each other; a detecting unit that detects a motion of a user; a determining unit that determines a role corresponding to motion information concerning a motion of a user detected by the detecting unit, based on the role storage unit; and an operation authorization unit that gives a user operating authority for an execution target device to be instructed to perform an operation by a predetermined motion of the user, the operating authority corresponding to a role of the user determined by the determining unit.Type: ApplicationFiled: March 15, 2013Publication date: September 26, 2013Inventors: Satoshi MITSUI, Kazuhiro TAKAZAWA
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Patent number: 4386502Abstract: A humidity-measuring device used with an air conditioner provided with an interior heat exchanger and refrigerant pipe which comprises:a first sensor which is provided at an inlet of the interior heat exchanger and produces a first output signal denoting a temperature of air streams drawn into the interior heat exchanger;a heat conductor positioned in a state extending to the inlet at one end of that portion of the refrigerant pipe, through which the refrigerant flows with a low pressure;a second sensor which is disposed in that portion of the heat conductor which faces the inlet and produces a second output signal; anda system controller which is provided with a memory for storing data on the air humidity corresponding to the first and second output signals, and measures the humidity of the sucked air from the data stored in the memory in accordance with the first and second output signals from the first and second sensors.Type: GrantFiled: July 6, 1981Date of Patent: June 7, 1983Assignee: Tokyo Shibaura Denki Kabushiki KaishaInventors: Kenji Umezu, Kazuhiro Takazawa, Toshiaki Hitosugi, Eiji Kuwahara