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公开(公告)号：US10759446B2
公开(公告)日：2020-09-01
申请号：US15567268
申请日：2016-04-21
Inventor： Hideto Motomura , Mohamed Sahim Kourkouss , Yoshihide Sawada , Toshiya Mori , Masanaga Tsuji
IPC: B60W50/14 , B60W40/09 , B60K35/00 , B60R16/02 , B60W50/00 , G08G1/01 , G08G1/0967 , G08G1/16 , G08G1/0962 , G06K9/62 , G06N3/08 , G06K9/00 , G06N3/04 , G05D1/00
Abstract: An information processing system that appropriately estimates a driving conduct includes: a detector that detects a vehicle environment state, which is at least one of surroundings of a vehicle and a driving state of the vehicle; a behavior learning unit configured to cause a neural network to learn a relationship between the vehicle environment state detected by the detector and a behavior of the vehicle implemented after the vehicle environment state; and a behavior estimation unit configured to estimate a behavior of the vehicle by inputting, into the neural network that learned, the vehicle environment state detected at a current point in time by the detector.
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公开(公告)号：US10313666B2
公开(公告)日：2019-06-04
申请号：US15308356
申请日：2015-05-08
Inventor： Kenichi Kasazumi , Toshiya Mori
IPC: H04N13/398 , H04N13/106 , B60K35/00 , B60R16/02 , G01C21/36 , G02B27/01 , G02B27/22 , G09G5/36 , B60R1/00 , H04N13/30
Abstract: This display device is provided with a display unit and a control unit. The display unit projects and reflects, onto a light-transmitting display medium, light expressing an image, to allow the image to be viewed, as a virtual image, by a user. The control unit performs first stereoscopic display processing for causing light respectively expressing a left-eye image and a right-eye image of an object to be displayed, to be projected in the display unit. As a result of this processing, the object to be displayed can be stereoscopically viewed in a three-dimensional image space by the user.
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公开(公告)号：US12204134B2
公开(公告)日：2025-01-21
申请号：US17951868
申请日：2022-09-23
Inventor： Toshiya Mori , Ken'ichi Kasazumi
Abstract: A light guide body in a display device includes a first incident surface on which an image light is incident, and a second emission surface from which the image light is emitted. The light guide body includes a second emission optical element that diffracts the image light to emit a portion of the image light at a predetermined emission angle every time the image light enters the second emission optical element from a predetermined direction. The image light is diverged by being emitted from the second emission optical element such that the predetermined emission angle varies in accordance with a location in one predetermined region included in a plurality of predetermined regions of the optical element. The degree of divergence varies between the one predetermined region and other predetermined region included in the plurality of predetermined regions in accordance with the location of the virtual image.
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公开(公告)号：US11860372B2
公开(公告)日：2024-01-02
申请号：US17560755
申请日：2021-12-23
Inventor： Fumihito Inukai , Toshiya Mori , Masanaga Tsuji , Ken'ichi Kasazumi
CPC classification number: G02B27/0179 , B60K35/00 , G02B27/0101 , G09G3/001 , B60K2370/1529 , G02B2027/014 , G02B2027/0183 , G09G3/3611 , G09G2320/068 , G09G2340/0464 , G09G2380/10 , H04N9/3185
Abstract: A display control device is configured to control a display position of an image in an image projector configured to project the image onto a display object of a mobile body. The display control device includes a processor; and a memory storing instructions that, when executed by the processor, cause the display control device to perform operations including: acquiring a detection value of an acceleration acting on the mobile body; calculating an attitude angle of the mobile body based on the detection value of the acceleration; and setting a correction amount of the display position for controlling the display position of the image to be projected onto the display object by adjusting a correction amount per predetermined unit time in accordance with a change amount of the attitude angle in a predetermined period.
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公开(公告)号：US11619811B2
公开(公告)日：2023-04-04
申请号：US17484905
申请日：2021-09-24
Inventor： Fumihito Inukai , Toshiya Mori , Masanaga Tsuji , Ken′ichi Kasazumi , Yukihiro Chokyu
Abstract: An image display system includes: an image projection unit that projects and displays an image on a display target for a moving body; a posture angle calculation unit that calculates a posture angle for the moving body on the basis of chronological data for acceleration detection values for the acceleration of the moving body in a prescribed time period; and a display control unit that controls the display position at which the image is projected and displayed on the display target, in accordance with the posture angle calculated by the posture angle calculation unit. The acceleration detection values include bi-directional components. The posture angle calculation unit excludes acceleration detection values from the chronological data used when calculating the posture angle, said acceleration detection values being included in an exclusion time period which has a ratio for the bidirectional components, in the prescribed time period, that is outside a prescribed range.
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Patent Agency Ranking
公开(公告)号：US11315528B2
公开(公告)日：2022-04-26
申请号：US17230556
申请日：2021-04-14
Inventor： Masanaga Tsuji , Toshiya Mori , Ken'ichi Kasazumi , Yoshiteru Mino , Tadashi Shibata , Nobuyuki Nakano , Akira Tanaka , Shohei Hayashi
Abstract: An image display system includes a display unit displaying an image, a projection unit projecting in a target space a virtual image corresponding to the image with an output light of the display unit, a body unit provided thereto the display unit and the projection unit, and an image producing unit including a first correction unit and a second correction unit. The first correction unit performs a first correction processing of correcting, based on a first orientation signal indicative of a first orientation change of the body unit, a display position of the virtual image in the target space. The second correction unit performs a second correction processing of correcting, based on a second orientation signal indicative of a second orientation change of the body unit which is faster than the first orientation change, the display position of the virtual image in the target space.
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公开(公告)号：US11181737B2
公开(公告)日：2021-11-23
申请号：US16319536
申请日：2017-07-18
Inventor： Kosuke Kubota , Ken'ichi Kasazumi , Masahito Ogata , Toshiya Mori
IPC: G02B27/01
Abstract: A HUD device that allows an occupant of a moving body to view a virtual image by projecting an image on a display medium includes a display item information acquisition unit that acquires display item information showing position and display content of display item, a travel information acquisition unit that acquires travel information indicating position of the moving body at predetermined time intervals, and a state information acquisition unit that acquires state information indicating state of the moving body, and specifies at display timings display position on the basis of position indicated by display item information and position indicated by travel information acquired last. The HUD device includes a display controller that specifies display position on the basis of position indicated by display item information and correction position obtained by correcting position indicated by travel information acquired last in accordance with state indicated by state information and displays an image showing display content indicated by display item information at the specified display position on the display medium when a predetermined condition is satisfied.
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28.发明授权公开(公告)号：US10983343B2
公开(公告)日：2021-04-20
申请号：US16363534
申请日：2019-03-25
Inventor： Kosuke Kubota , Ken'ichi Kasazumi , Yoshiteru Mino , Toshiya Mori
Abstract: A display system according to an aspect includes a screen, a drive control unit, and a projection unit. The drive control unit has the screen moved in a movement direction. The projection unit renders an image on the screen by irradiating the screen with a light beam that scans the screen and projects a virtual image onto a projection plane with the light beam transmitted through the screen. The drive control unit has the screen moved in the movement direction such that an optical path leading to a rendering point on the screen varies its length according to a tilt angle defined by the projection plane with respect to a reference plane.
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公开(公告)号：US10754154B2
公开(公告)日：2020-08-25
申请号：US16576908
申请日：2019-09-20
Inventor： Ken'ichi Kasazumi , Toshiya Mori , Kosuke Kubota , Masahito Ogata , Masanaga Tsuji
Abstract: A display device includes an image forming unit, a projection unit, a main body, and a position correcting unit. The image forming unit includes a display surface and forms an image on the display surface. The projection unit projects a virtual image corresponding to an image on a target space by using output light from the image forming unit. The main body is equipped with an image forming unit and a projection unit. The position correcting unit changes a display position of a virtual image relative to the main body on the basis of an orientation signal representing an orientation of the main body. The position correcting unit includes a plurality of correcting units that change a display position of a virtual image by using different means. The position correcting unit selects at least one correcting unit from a plurality of correcting units in accordance with a frequency component of an orientation signal, and causes the selected correcting unit to change a display position of a virtual image.
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公开(公告)号：US10591725B2
公开(公告)日：2020-03-17
申请号：US16570203
申请日：2019-09-13
Inventor： Ken'ichi Kasazumi , Toshiya Mori , Hiroaki Okayama , Satoshi Kuzuhara , Hiroyuki Furuya , Hiroshi Gotou , Akira Kurozuka
Abstract: A display device is provided and may include a light source that emits a light beam, a scanner that causes the light beam to scan, a movable screen in which an image is formed by transmitting the light beam from scanner, an optical system configured to project the image on a display medium, and a driver configured to cause the movable screen to reciprocate in moving directions. The image includes a first image and a second image. The movable screen reciprocates in a posture inclined with respect to the moving directions such that a second end of the movable screen is positioned closer to the scanner than a first end of the movable screen. The scanner forms the second image in the movable screen while the movable screen moves such that a forming direction of the second image is inclined with respect to a direction approaching the scanner.
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