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公开(公告)号：US11414007B2
公开(公告)日：2022-08-16
申请号：US17303979
申请日：2021-06-11
发明人： Takashi Kanazawa , Ryuichi Nakano
IPC分类号： F21S41/43 , B60Q1/14 , B60Q1/00 , F21S41/25 , F21S41/151 , F21S41/143 , F21W102/13
摘要： To provide a vehicle headlight whose irradiation light is capable of ensuring sufficient illuminance to the immediate front side of the vehicle. A vehicle headlight irradiating light to the front of a vehicle including a first unit which generates light in order to form a first low beam, a second unit which generates light in order to form a high beam and a second low beam, where a portion of the high beam on the lower end side overlaps a portion of the first low beam on the upper side, and the other portion is formed above the first low beam without overlapping the first low beam, and where a portion of the second low beam on the upper side overlaps a portion of the first low beam on the lower side, and the other portion is formed below the first low beam without overlapping the first low beam.
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公开(公告)号：US20220095442A1
公开(公告)日：2022-03-24
申请号：US17482378
申请日：2021-09-22
摘要： To promptly detect a failure of a light source. A vehicle headlight system includes a plurality of light sources, a power supply supplying a drive voltage to the light sources, a controller individually controlling a lit/off state of each light source, and a failure detection circuit connected to the controller and detects a failure of the light sources, where, in response to a start of the vehicle, the controller executes a control operation in which all light sources are controlled from the off state to the lit state and then the light sources are controlled to the off state sequentially and individually, and where, while the control operation is executed, at least during the period of transition from the off state to the lit state of each light source, the controller acquires failure detection result and generates a warning signal when the failure is detected.
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公开(公告)号：US10981493B2
公开(公告)日：2021-04-20
申请号：US16810316
申请日：2020-03-05
发明人： Naoki Muramatsu , Ryuichi Nakano
摘要： To achieve both reduction of a sense of discomfort to a driver due to a reflective object and improvement in visibility of a pedestrian or the like. A control apparatus for controlling light irradiated by a headlight of a vehicle, where the control apparatus causes the headlight to forma first irradiation light and a second irradiation light that overlaps a certain range on the lower end side in the vertical direction of the first irradiation light and overlaps the entire range in the width direction of the first irradiation light, and causes to dim at least a part of the entire range of the first irradiation light corresponding to the position of a reflective object when the reflective object fixed on the road ahead of the vehicle is present.
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4.发明申请公开(公告)号：US20200282897A1
公开(公告)日：2020-09-10
申请号：US16810316
申请日：2020-03-05
发明人： Naoki Muramatsu , Ryuichi Nakano
摘要： To achieve both reduction of a sense of discomfort to a driver due to a reflective object and improvement in visibility of a pedestrian or the like. A control apparatus for controlling light irradiated by a headlight of a vehicle, where the control apparatus causes the headlight to forma first irradiation light and a second irradiation light that overlaps a certain range on the lower end side in the vertical direction of the first irradiation light and overlaps the entire range in the width direction of the first irradiation light, and causes to dim at least a part of the entire range of the first irradiation light corresponding to the position of a reflective object when the reflective object fixed on the road ahead of the vehicle is present.
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公开(公告)号：US11603035B2
公开(公告)日：2023-03-14
申请号：US17482625
申请日：2021-09-23
发明人： Naoki Muramatsu , Ryuichi Nakano
摘要： To suitably irradiate with a high beam according to a situation in front of the own vehicle. A vehicle headlight system installed in an own vehicle provided with an automatic brake controller which automatically activates a brake system depending on a situation, including: a lamp unit which irradiates at least with a low beam and a high beam; and a controller which is connected to the automatic brake controller and the lamp unit and is configured to control the operation of the lamp unit; where, when the lamp unit is not performing irradiation of the high beam, the controller is configured to control the lamp unit to irradiate with the high beam in the situation in which state of the automatic brake controller transitions from a standby state to a state which activates the brake system to a hard braking or to a preparation state thereof.
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公开(公告)号：US11464100B2
公开(公告)日：2022-10-04
申请号：US17482378
申请日：2021-09-22
摘要： To promptly detect a failure of a light source. A vehicle headlight system includes a plurality of light sources, a power supply supplying a drive voltage to the light sources, a controller individually controlling a lit/off state of each light source, and a failure detection circuit connected to the controller and detects a failure of the light sources, where, in response to a start of the vehicle, the controller executes a control operation in which all light sources are controlled from the off state to the lit state and then the light sources are controlled to the off state sequentially and individually, and where, while the control operation is executed, at least during the period of transition from the off state to the lit state of each light source, the controller acquires failure detection result and generates a warning signal when the failure is detected.
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公开(公告)号：US20220089083A1
公开(公告)日：2022-03-24
申请号：US17482625
申请日：2021-09-23
发明人： Naoki Muramatsu , Ryuichi Nakano
摘要： To suitably irradiate with a high beam according to a situation in front of the own vehicle. A vehicle headlight system installed in an own vehicle provided with an automatic brake controller which automatically activates a brake system depending on a situation, including: a lamp unit which irradiates at least with a low beam and a high beam; and a controller which is connected to the automatic brake controller and the lamp unit and is configured to control the operation of the lamp unit; where, when the lamp unit is not performing irradiation of the high beam, the controller is configured to control the lamp unit to irradiate with the high beam in the situation in which state of the automatic brake controller transitions from a standby state to a state which activates the brake system to a hard braking or to a preparation state thereof.
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公开(公告)号：US20210387566A1
公开(公告)日：2021-12-16
申请号：US17303979
申请日：2021-06-11
发明人： Takashi Kanazawa , Ryuichi Nakano
IPC分类号： B60Q1/14 , B60Q1/00 , F21S41/143 , F21S41/25 , F21S41/151
摘要： To provide a vehicle headlight whose irradiation light is capable of ensuring sufficient illuminance to the immediate front side of the vehicle. A vehicle headlight irradiating light to the front of a vehicle including a first unit which generates light in order to form a first low beam, a second unit which generates light in order to form a high beam and a second low beam, where a portion of the high beam on the lower end side overlaps a portion of the first low beam on the upper side, and the other portion is formed above the first low beam without overlapping the first low beam, and where a portion of the second low beam on the upper side overlaps a portion of the first low beam on the lower side, and the other portion is formed below the first low beam without overlapping the first low beam.
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公开(公告)号：US11629836B2
公开(公告)日：2023-04-18
申请号：US17679402
申请日：2022-02-24
发明人： Naoto Inoue , Ryuichi Nakano , Masayoshi Takori , Go Shimizu
IPC分类号： F21S41/663 , F21W102/13
摘要： A headlamp control system includes: a headlamp that emits light toward a forward direction of a vehicle; a tilt detection part; and a control part. The headlamp includes: high beam emitting parts that respectively illuminate plural high beam areas arrayed in a left-right direction; and a low beam emitting part that illuminates a low beam area located at a lower position than the plural high beam areas. The control part, in a state where the low beam emitting part is on, when the tilt detection part detects that the vehicle has tilted such that one of left and right sides of the vehicle is lowered than the other one of the left and right sides, controls the high beam emitting parts so as to illuminate at least one of the plural high beam areas, the at least one being on the one of the left and right sides.
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公开(公告)号：US11453329B2
公开(公告)日：2022-09-27
申请号：US17045578
申请日：2019-04-03
摘要： A vehicular light switch can change the mode of an exterior-illuminating light by rotating to different positions including an auto setting and a SMALL setting. If the position of the vehicular light switch is rotated to the SMALL setting, a momentary mechanism returns the position to the auto setting. If extravehicular brightness is less than a prescribed value and the position is rotated to the SMALL setting whilst the vehicle is stationary, a first light controller turns off a low-beam light, and turns on the low-beam light if the vehicle runs afterwards. If extravehicular brightness is less than a prescribed value and the position is rotated to the SMALL setting while the vehicle is running, a second light controller keeps the low-beam light turned on.
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