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公开(公告)号：US10656417B2
公开(公告)日：2020-05-19
申请号：US16047019
申请日：2018-07-27
Inventor： Kenji Nakayama
Abstract: First and second cover members of a cover of a head-up display device cover an opening region of a housing. The first cover member is rotationally movable with respect to the housing around a first rotation fulcrum fixed to the housing. The second cover member is rotationally movable with respect to the first cover member around second rotation fulcrums respectively fixed to first and second end parts of the first cover member. When the first cover member turns with respect to the housing and the second cover member turns with respect to the first cover member, the first end part is located at an outer side than a first side of a mirror, and the second end part is located at an outer side than a second side of the mirror. The second cover member is not present in an optical path of light projected from a projector to the mirror.
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公开(公告)号：US10401624B2
公开(公告)日：2019-09-03
申请号：US15736856
申请日：2016-04-21
Inventor： Kenji Nakayama , Yutaka Masui , Kousuke Sasaki
Abstract: A headup display device includes: a display having an emission surface that emits display light relating to predetermined information; a reflecting member that is disposed above the display and reflects the display light emitted from the display; a combiner part on which the display light reflected off the reflecting member is incident; a transmissive member that is disposed between the display and the reflecting member to cover the emission surface and transmits the display light emitted from the display toward the reflecting member; and a blocking member that is disposed above the transmissive member and blocks out light that is reflected off the transmissive member to be incident on the combiner part. A transmissive-member-side end of the blocking member is disposed to be movable from a first position where the light is blocked out to a second position closer to the transmissive member than the first position is.
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公开(公告)号：US10802273B2
公开(公告)日：2020-10-13
申请号：US16217029
申请日：2018-12-11
Inventor： Kenji Nakayama , Yukio Hibino , Akito Sawada
Abstract: The combiner has a reflecting surface that reflects incident light. When the incident light has an incident angle in a range from 0° to 25°, inclusive, defined as a first value, in a wavelength range from 400 nm to 700 nm, inclusive, the upper limit wavelength of a wavelength range having a reflectance of 90% or more of the reflectance peak of the incident light is shorter than 700 nm. When the incident angle takes a second value in a range from 60° to 85°, inclusive, in the wavelength range from 400 nm to 700 nm, inclusive, the reflectance peak of an S-wave component contained in the incident light has a wavelength shorter than 570 nm.
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公开(公告)号：US10678051B2
公开(公告)日：2020-06-09
申请号：US16170017
申请日：2018-10-24
Inventor： Kenji Nakayama , Kosuke Sasaki
IPC: G02B27/01
Abstract: In a head-up display device, in accordance with lifting and lowering operations of a combiner, each protrusion of a combiner support moves along a guide portion, causing a cover-operation member to turn about a rotary axis in a direction in which a cover is opened or closed. The guide portion includes, from top in order: a first guide portion which engages with the protrusion in a first state (use state); a second guide portion which engages with the protrusion when the cover-operation member turns; and a third guide portion which engages with the protrusion in a second state (non-use state). The angle formed by the direction in which the first guide portion extends and the direction in which the third guide portion extends is less than the angle formed by the direction in which the first guide portion extends and the direction in which the second guide portion extends.
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公开(公告)号：US10310263B2
公开(公告)日：2019-06-04
申请号：US15579620
申请日：2016-04-21
Inventor： Kenji Nakayama , Kousuke Sasaki
Abstract: A combiner lifting device includes: a support unit that includes a first pin and a second pin, and supports a combiner; and two side surface portions disposed on both sides of the combiner, respectively. Each of the side surface portions includes a first groove along which the first pin slides, and a second groove along which the second pin slides. The side surface portions support the support unit in such a manner that the support unit is rotatable around the first pin when the first pin is located at an end of the first groove.
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Patent Agency Ranking
公开(公告)号：US10288880B2
公开(公告)日：2019-05-14
申请号：US15791446
申请日：2017-10-24
Inventor： Kenji Nakayama , Takahiro Kuroda , Yutaka Masui , Yasushi Ejiri
Abstract: A panel opening/closing device includes: a support which supports a panel and is turnable about a first rotary shaft; a dial which is turnable about a second rotary shaft in accordance with an operation by a user; and a movable unit which undergoes horizontal movement and includes pins inserted into a groove of the dial and a groove of the support, respectively.
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公开(公告)号：US20170259413A1
公开(公告)日：2017-09-14
申请号：US15454366
申请日：2017-03-09
Inventor： Hiroyuki TSUBAKIMOTO , Hidenori Shimizu , Kenji Nakayama
CPC classification number: B25B23/0035 , B23B31/1074 , B23B31/40 , B23B2231/46 , B25B21/02
Abstract: A holding pin protrudes from a first opening of a through hole, enters a hole formed in a tip tool, and holds the tip tool. A spring member energizes the holding pin. A bush is press-fitted in the through hole and supports the spring member at a first end portion thereof. An inner diameter of a second opening of the through hole is formed larger than an outer diameter of the bush. As a result of this, a second end portion of the bush is arranged to avoid contact with the second opening of the through hole.
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公开(公告)号：US10935839B2
公开(公告)日：2021-03-02
申请号：US16377086
申请日：2019-04-05
Inventor： Kenji Nakayama
IPC: B60K35/00 , G02B27/01 , G09G3/36 , G02F1/13 , G02F1/13357
Abstract: A display device includes a fixed light source, a heat dissipator, a liquid-crystal panel, and a controller. The heat dissipator is attached to the light source. The liquid-crystal panel includes a display area and is movable with respect to the light source. The controller controls movement of the liquid-crystal panel to change the distance between the liquid-crystal panel and the light source.
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公开(公告)号：US10768419B2
公开(公告)日：2020-09-08
申请号：US16149442
申请日：2018-10-02
Inventor： Kenji Nakayama
Abstract: In a head-up display device, first and second cover parts of a cover each cover an opening. The first cover part is turnable about a first rotation fulcrum fixed to a housing, with respect to the housing. The second cover part is turnable about a second rotation fulcrum fixed to first and second ends of the first cover part, with respect to the first cover part. The head-up display device includes a biasing member that biases the second cover part toward the outside of the housing when the cover covers the opening.
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公开(公告)号：US10279459B2
公开(公告)日：2019-05-07
申请号：US15454366
申请日：2017-03-09
Inventor： Hiroyuki Tsubakimoto , Hidenori Shimizu , Kenji Nakayama
Abstract: A holding pin protrudes from a first opening of a through hole, enters a hole formed in a tip tool, and holds the tip tool. A spring member energizes the holding pin. A bush is press-fitted in the through hole and supports the spring member at a first end portion thereof. An inner diameter of a second opening of the through hole is formed larger than an outer diameter of the bush. As a result of this, a second end portion of the bush is arranged to avoid contact with the second opening of the through hole.
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