Patents by Inventor Motohiro Makiguchi

Motohiro Makiguchi 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).

  • Patent number: 11885984
    Abstract: A housing including a first viewing direction and a second viewing direction opposite to the first viewing direction, a first display unit disposed to be spaced from a top surface on a side of one end of the housing at a first interval with a display surface facing the housing, a second display unit disposed on a side of the other end of the housing, a first optical element configured to transmit a portion of light emitted from the first display unit and reflect a portion of the light, a second optical element configured to transmit a portion of light emitted from the second display unit and reflect a portion of the light, and a third optical element configured to transmit a portion of the light emitted from the first display unit and the second display unit and reflect a portion of the light.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: January 30, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Motohiro Makiguchi, Hideaki Takada
  • Patent number: 11843763
    Abstract: Provided is a display method that prevents degradation of image quality due to ghosting. The display method performed with a display apparatus includes a viewpoint position detection step (S1) for detecting a viewpoint position d that is an interval between a reflection screen and a viewer ?, a diffusion property control step (S2) for controlling a diffusion property of the reflection screen 40 in accordance with the viewpoint position d, and a projection step for projecting multiple viewpoint video images having disparity from multiple projectors to the reflection screen. The diffusion property control step (S2) includes controlling the diffusion property of the reflection screen 40 by varying a voltage or a duty cycle of an ac signal that is applied to a diffuser layer included in the reflection screen.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: December 12, 2023
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Motohiro Makiguchi, Hideaki Takada
  • Publication number: 20230334802
    Abstract: There is provided a line-of-sight reproduction system including a pseudo eyeball model generation device 10 and a display device 20, in which the pseudo eyeball model generation device 10 generates a pseudo eyeball model 30 representing a pseudo eyeball with virtual eyeball information indicating a virtual eyeball 31 and pseudo pupil information obtained by moving a position of a pseudo pupil 32 from a surface of the virtual eyeball 31 to a side of an observer in association with a degree of gaze avoidance of deviating an eye line from a viewpoint 40 of the observer, and the display device 20 renders a pseudo eyeball image representing the pseudo eyeball based on the pseudo eyeball model 30, and then renders a display image of another display element.
    Type: Application
    Filed: July 29, 2020
    Publication date: October 19, 2023
    Inventors: Motohiro Makiguchi, Masanori YOKOYAMA, Kimitaka TSUTSUMI, Takashi SATO
  • Publication number: 20230274485
    Abstract: There is provided a line-of-sight tracking system including a pseudo eyeball model generation device 10 and a display device 20, in which the pseudo eyeball model generation device 10 generates a pseudo eyeball model representing a pseudo eyeball with pseudo pupil information and virtual eyeball information indicating a virtual eyeball when a type of line-of-sight tracking is one of with tracking, excessive tracking, weak tracking, and no tracking, the pseudo pupil information being obtained by moving a position of a pseudo pupil back and forth when viewed from an observer with reference to a center of the virtual eyeball in association with the type of the line-of sight tracking and an intensity of the line-of-sight tracking, and the display device 20 displays the pseudo eyeball which is different according to a viewpoint position of the observer based on the pseudo eyeball model.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 31, 2023
    Inventors: Motohiro Makiguchi, Masanori YOKOYAMA, Kimitaka TSUTSUMI, Takashi SATO
  • Patent number: 11706402
    Abstract: Provided is an image generation technology capable of suppressing unpleasantness associated with fluctuation in image quality caused by the viewer's viewpoint movement.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: July 18, 2023
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Motohiro Makiguchi, Hideaki Takada
  • Publication number: 20230161174
    Abstract: A floating image display apparatus of the present embodiment includes: a first display unit (11) that is installed to have a display surface facing toward a ground; a first optical element (21) that is installed to be inclined with respect to the ground, and transmits a part of light emitted from the first display unit (11) and reflects a part of the light; a second display unit (12) that is installed to have a display surface perpendicular to the ground; and a second optical element (22) that is installed to be perpendicular to the ground, and transmits a part of light emitted from the second display unit (12) and reflects a part of the light.
    Type: Application
    Filed: April 21, 2020
    Publication date: May 25, 2023
    Inventors: Motohiro MAKIGUCHI, Hideaki TAKADA, Takashi SATO
  • Patent number: 11652979
    Abstract: A stereoscopic image display system includes: a plurality of projectors arranged side by side with predetermined spacing and project respectively viewpoint images for installation positions in the same direction, the viewpoint images being related to the same object; a screen displaying a superimposed image for the object, based on two adjacent images, among the projected images, that are the closest from a line-of-sight direction of an observer; and an image holding unit holding information about a first viewpoint image to which pattern information for shifting a phase corresponding to a predetermined period is added and information about a second viewpoint image from which the pattern information is subtracted, which are generated from each of a plurality of base images as the viewpoint images to be respectively projected by the plurality of projectors. Each projector projects the first and second viewpoint images related to preceding and succeeding stages onto the screen.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: May 16, 2023
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Motohiro Makiguchi, Hideaki Takada
  • Publication number: 20230088450
    Abstract: A tactile stimulation presentation device 1 includes a measurement unit 11 configured to measure a first physical quantity with respect to a tactile sensation applied to a first region of a human body, a control unit 12 configured to convert the first physical quantity into a second physical quantity of a different type from the first physical quantity, and a presentation unit 13 configured to apply the second physical quantity to a second region different from the first region.
    Type: Application
    Filed: February 10, 2020
    Publication date: March 23, 2023
    Inventors: Arinobu NIIJIMA, Toki TAKEDA, Motohiro Makiguchi, Takafumi MUKOUCHI, Takashi SATO
  • Publication number: 20220256136
    Abstract: A stereoscopic image display system (1) includes: a plurality of projectors (20-0 to 20-16) that are arranged side by side with predetermined spacing and project respectively viewpoint images for installation positions in the same direction, the viewpoint images being related to the same object; a screen (10) that displays a superimposed image for the object to be stereoscopically viewed, based on the two adjacent images, among the images respectively projected by the plurality of projectors, that are the closest from a line-of-sight direction of an observer; and an image holding unit that holds information about a first viewpoint image to which pattern information for shifting a phase corresponding to a predetermined period is added and information about a second viewpoint image from which the pattern information is subtracted, which are generated from each of a plurality of base images as the viewpoint images to be respectively projected by the plurality of projectors.
    Type: Application
    Filed: May 23, 2019
    Publication date: August 11, 2022
    Inventors: Motohiro Makiguchi, Hideaki Takada
  • Publication number: 20220239894
    Abstract: Provided is an image generation technology capable of suppressing unpleasantness associated with fluctuation in image quality caused by the viewer's viewpoint movement.
    Type: Application
    Filed: May 31, 2019
    Publication date: July 28, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Motohiro MAKIGUCHI, Hideaki TAKADA
  • Publication number: 20220191464
    Abstract: Provided is a display method that prevents degradation of image quality due to ghosting. The display method performed with a display apparatus includes a viewpoint position detection step (S1) for detecting a viewpoint position d that is an interval between a reflection screen and a viewer ?, a diffusion property control step (S2) for controlling a diffusion property of the reflection screen 40 in accordance with the viewpoint position d, and a projection step for projecting multiple viewpoint video images having disparity from multiple projectors to the reflection screen. The diffusion property control step (S2) includes controlling the diffusion property of the reflection screen 40 by varying a voltage or a duty cycle of an ac signal that is applied to a diffuser layer included in the reflection screen.
    Type: Application
    Filed: May 14, 2019
    Publication date: June 16, 2022
    Inventors: Motohiro Makiguchi, Hideaki TAKADA
  • Patent number: 11265533
    Abstract: Provided is an image generation technology capable of suppressing unpleasant feelings caused by fluctuation in image quality caused by the viewer's viewpoint movement. The image generation technology includes an image generation unit configured to generate a pseudo viewpoint image I?k and a pseudo viewpoint image I??k, by using disparity inducing edge D?k having a phase difference ?k from a viewpoint image I, where ?k(1?k?K) is set as a real number satisfying 0<?1< . . . <?K??/2, an output image generation unit configured to generate an output image Outm(1?m?2K?1), from the pseudo viewpoint image I(m)(1?m?2K+1), the viewpoint image I is set as a pseudo viewpoint image I?0, where the pseudo viewpoint images I?k, I??k (0?k?K) are arranged in a sequence of I?k, I?(K?1), . . . , I?1, I?0(=I), I??1, . . . , and I??K is set as I(1), I(2), . . . , I(K), I(K+1), I(K+2), . . .
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: March 1, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Motohiro Makiguchi, Hideaki Takada, Taiki Fukiage, Shinya Nishida
  • Publication number: 20210116718
    Abstract: A housing including a first viewing direction and a second viewing direction opposite to the first viewing direction, a first display unit disposed to be spaced from a top surface on a side of one end of the housing at a first interval with a display surface facing the housing, a second display unit disposed on a side of the other end of the housing, a first optical element configured to transmit a portion of light emitted from the first display unit and reflect a portion of the light, a second optical element configured to transmit a portion of light emitted from the second display unit and reflect a portion of the light, and a third optical element configured to transmit a portion of the light emitted from the first display unit and the second display unit and reflect a portion of the light.
    Type: Application
    Filed: April 11, 2019
    Publication date: April 22, 2021
    Inventors: Motohiro Makiguchi, Hideaki Takada
  • Publication number: 20210112237
    Abstract: Provided is an image generation technology capable of suppressing unpleasant feelings caused by fluctuation in image quality caused by the viewer's viewpoint movement. The image generation technology includes an image generation unit configured to generate a pseudo viewpoint image I?k and a pseudo viewpoint image I??k, by using disparity inducing edge D?k having a phase difference ?k from a viewpoint image I, where ?k(1?k?K) is set as a real number satisfying 0<?1< . . . <?K??/2, an output image generation unit configured to generate an output image Outm(1?m?2K?1), from the pseudo viewpoint image I(m)(1?m?2K+1), the viewpoint image I is set as a pseudo viewpoint image I?0, where the pseudo viewpoint images I?k, I??k (0?k?K) are arranged in a sequence of I?k, I?(K?1), . . . , I?1, I?0(=I), I??1, . . . , and I??K is set as I(1), I(2), . . . , I(K), I(K+1), I(K+2), . . .
    Type: Application
    Filed: April 3, 2019
    Publication date: April 15, 2021
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Motohiro MAKIGUCHI, Hideaki TAKADA, Taiki FUKIAGE, Shinya NISHIDA
  • Patent number: 10338462
    Abstract: An aerial image display device is capable of changing a depth of a virtual image viewed by an observer without changing a distance between at least one display device and an optical element forming the virtual image. The aerial image display device includes a display device, optical elements, and a reflecting member. The optical elements are installed corresponding to different display regions of a display surface of the display device and sequentially arranged along the display surface in an observation direction of an observer. The optical element is installed obliquely with an angle of about 45° in a ?X direction when viewed from the display surface of the display device. The optical element is installed obliquely with an angle of about 45° in an X direction when viewed from the display surface of the display device.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: July 2, 2019
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Motohiro Makiguchi, Arinobu Niijima, Narimune Matsumura, Kota Hidaka
  • Publication number: 20180246337
    Abstract: An aerial image display device is capable of changing a depth of a virtual image viewed by an observer without changing a distance between at least one display device and an optical element forming the virtual image. The aerial image display device includes a display device, optical elements, and a reflecting member. The optical elements are installed corresponding to different display regions of a display surface of the display device and sequentially arranged along the display surface in an observation direction of an observer. The optical element is installed obliquely with an angle of about 45° in a ?X direction when viewed from the display surface of the display device. The optical element is installed obliquely with an angle of about 45° in an X direction when viewed from the display surface of the display device.
    Type: Application
    Filed: August 31, 2016
    Publication date: August 30, 2018
    Inventors: Motohiro Makiguchi, Arinobu Niijima, Narimune Matsumura, Kota Hidaka