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公开(公告)号：US11922836B2
公开(公告)日：2024-03-05
申请号：US17707489
申请日：2022-03-29
Inventor： Fumihito Inukai , Toshiya Mori , Masanaga Tsuji
IPC: G09G3/00
CPC classification number: G09G3/002 , G09G2340/0464 , G09G2380/10
Abstract: A rendering system includes a first obtainer, a second obtainer, a renderer, an estimator, and a corrector. The first obtainer obtains position information indicating a position of an object from a detector. The second obtainer obtains movement information indicating a movement state of the moving body. The renderer renders a display image including a content related to the object. The estimator estimates a delay period by comparing the position information to estimated-position information indicating an estimated position of the object estimated based on the movement information of the object. The corrector corrects displacement of a display position of the content on the display image which is caused by movement of the moving body over the delay period.
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公开(公告)号：US11604226B2
公开(公告)日：2023-03-14
申请号：US15913078
申请日：2018-03-06
Inventor： Fumihito Inukai , Gorou Mori
IPC: G01R31/36 , G01R31/3835 , G01R35/00 , G01R31/396 , G01R31/54
Abstract: A voltage detection circuit includes a first terminal for connecting to one end of a first voltage detection line through a first resistor, the first voltage detection line having another end connected to a cathode or an anode of a first individual battery; a second terminal for connecting to the one end of the first voltage detection line without the first resistor; a first current generating circuit connected to the first terminal; and a voltage detector which detects a voltage of the first terminal and a voltage of the second terminal. The voltage detector includes at least one first AD converter connected to the first terminal, and at least one second AD converter connected to the second terminal.
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公开(公告)号：US11837121B2
公开(公告)日：2023-12-05
申请号：US17699800
申请日：2022-03-21
Inventor： Masanaga Tsuji , Toshiya Mori , Fumihito Inukai , Tadashi Shibata
CPC classification number: G09G3/002 , G06V20/58 , B60K35/00 , B60K2370/1529 , B60K2370/23 , G09G2340/0464 , G09G2380/10
Abstract: A display correction system includes a first obtainer, a second obtainer, a third obtainer, a predictor, and a corrector. The first obtainer obtains travel route information on a travel route ahead of a moving body. The second obtainer obtains speed information on a speed of the moving body. The third obtainer obtains orientation information on an orientation of the moving body. The predictor predicts, based on the travel route information and the speed information, a time period during which the moving body travels through a specific section in the travel route. The corrector performs correction of a displacement of a display position of a content on a display image based on the orientation information. Based on prediction result of the predictor, the corrector executes first control when the moving body is traveling in a normal section, and executes second control when the moving body is traveling in the specific section.
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公开(公告)号：US10701323B2
公开(公告)日：2020-06-30
申请号：US16363580
申请日：2019-03-25
Inventor： Fumihito Inukai , Kosuke Kubota , Yukihiro Chokyu
Abstract: The image display system includes a processing unit and a driving unit. The processing unit is configured to receive an image signal indicative of an instruction value of luminance of a light source. The driving unit is configured to supply a drive current to the light source in accordance with the instruction value indicated by the image signal received by the processing unit. The driving unit includes a shaping circuit and an adjusting unit. The shaping circuit includes a plurality of D/A converters and an arithmetic unit. The arithmetic unit is configured to output the drive current to the light source based on a computation result of analog signals outputted from the plurality of D/A converters. The adjusting unit is configured to determine values of digital signals inputted into the plurality of D/A converters of the shaping circuit in accordance with the instruction value.
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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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Patent Agency Ranking
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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公开(公告)号：US09939470B2
公开(公告)日：2018-04-10
申请号：US15074381
申请日：2016-03-18
Inventor： Fumihito Inukai
IPC: H02J7/00 , G01R19/257 , G01R31/36 , H03K5/24 , B60L11/18 , G01R19/165
CPC classification number: G01R19/257 , B60L11/1861 , G01R19/16542 , G01R31/3606 , G01R31/362 , G01R31/3658 , H03K5/24
Abstract: An analog measurement data detection system according to the present invention includes: a reference voltage generation circuit configured to generate and output a reference voltage; an analog/digital converter configured to compare an analog signal with the reference voltage outputted from the reference voltage generation circuit, and based on a differential voltage between the analog signal and the reference voltage, generate and output a digital signal corresponding to the analog signal. The reference voltage generation circuit is configured to cause the reference voltage to have such a temperature characteristic as to compensate for temperature characteristics of at least the analog/digital converter and the reference voltage generation circuit.
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公开(公告)号：US12158343B2
公开(公告)日：2024-12-03
申请号：US17556552
申请日：2021-12-20
Inventor： Akira Tanaka , Fumihito Inukai , Toshiya Mori , Ken′ichi Kasazumi
Abstract: A video control device includes a processor and a memory including a program that, when executed, causes the processor to perform operations including: obtaining a position of a vehicle determined by a satellite positioning system; obtaining an estimated position of the vehicle estimated based on dead reckoning; estimating a deviation in an orientation of the vehicle, based on the position of the vehicle determined by the satellite positioning system and the estimated position of the vehicle estimated based on the dead reckoning; calculating an estimated orientation of the vehicle, based on the deviation in the orientation of the vehicle estimated; and outputting the estimated orientation of the vehicle to a video display device that displays information which is based on the orientation of the vehicle.
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公开(公告)号：US11064172B2
公开(公告)日：2021-07-13
申请号：US16822814
申请日：2020-03-18
Inventor： Fumihito Inukai , Kosuke Kubota , Yukihiro Chokyu
IPC: H04N9/31
Abstract: An image display system includes: a light source driver configured to supply, to a light source, a drive current including a first current and a second current; a processor configured to output the set value of the first current to the light source driver; and a corrector configured to perform a correction process on the first current. The processor is configured to set, based on a correspondence relationship between the gradation value and the current value of the first current, the set value of the first current to a current value determined with reference to the correspondence relationship when the gradation value is in a second gradation range in which numerical values are smaller than numerical values in the first gradation range, the correction process correcting the correspondence relationship such that a difference between a measured intensity and a target intensity of the light source falls within a prescribed range.
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公开(公告)号：US10764543B2
公开(公告)日：2020-09-01
申请号：US16366499
申请日：2019-03-27
Inventor： Yukihiro Chokyu , Fumihito Inukai
Abstract: The image display system forms an image by scanning with light from a light source of a luminaire. The image display system includes: an input unit configured to receive an image signal indicative of an instruction value of luminance of the light source; and a control unit configured to determine a target value of luminance of the light source based on the instruction value indicated by the image signal received by the input unit. The control unit is configured to perform an adjusting process of setting the target value to an adjusted value different from the instruction value when allowing the light source to emit light based on the image signal.
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