JP5002325B2 - 指針照明装置 - Google Patents
指針照明装置 Download PDFInfo
- Publication number
- JP5002325B2 JP5002325B2 JP2007123060A JP2007123060A JP5002325B2 JP 5002325 B2 JP5002325 B2 JP 5002325B2 JP 2007123060 A JP2007123060 A JP 2007123060A JP 2007123060 A JP2007123060 A JP 2007123060A JP 5002325 B2 JP5002325 B2 JP 5002325B2
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- Prior art keywords
- light
- guide member
- pointer
- light guide
- receiving surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005286 illumination Methods 0.000 title claims description 47
- 239000000446 fuel Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Details Of Measuring Devices (AREA)
Description
2b 指針
2c 指針
2d 指針
6 文字板
12 指針照明用LED(光源)
13 配線板
21 指針本体部
22 回転軸部(回転軸)
21A 指針受光面
50a 導光部材
50b 導光部材
50c 導光部材
50d 導光部材
50A 導光部材受光面
50B 導光部材反射面
50C 導光部材出射面
50C1 凹部
50C2 凸部
60 白色シルク印刷(反射層)
Claims (3)
- 文字板を指示する指針本体部、及び、前記指針本体部の回転軸側の背面に設けられた指針受光面、を有する導光性の指針と、配線板上に搭載された指針照明用の光源と、前記指針と前記配線板との間に前記回転軸を囲むように円筒状に設けて、前記光源からの光を前記指針受光面に導く導光部材とを備えた指針照明装置において、
前記導光部材が、外側面に設けられ、前記光源からの光を受光する導光部材受光面と、
前記導光部材受光面と対向する内側面に設けられ、前記導光部材受光面から入射された光を前記指針受光面に向けて反射する導光部材反射面とを有し、
前記光源が、前記導光部材受光面と対向するように前記配線板上に配置されると共に、前記回転軸を囲むように複数設けられ、
前記導光部材受光面が、前記複数の光源に対応して複数設けられ、
前記導光部材の前記指針受光面と対応する導光部材出射面が、前記導光部材受光面に対向する部分が凹部、前記導光部材受光面と前記導光部材受光面との間に対向する部分が凸部、となるように軸周り方向に沿って凹凸状に設けられていることを特徴とする指針照明装置。 - 前記導光部材受光面が、前記導光部材反射面に向かって凹む凹曲面に設けられたことを特徴とする請求項1に記載の指針照明装置。
- 前記配線板上の前記導光部材と対向する部分に設けられた反射層を有することを特徴とする請求項1又は2に記載の指針照明装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007123060A JP5002325B2 (ja) | 2007-05-08 | 2007-05-08 | 指針照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007123060A JP5002325B2 (ja) | 2007-05-08 | 2007-05-08 | 指針照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008281343A JP2008281343A (ja) | 2008-11-20 |
JP5002325B2 true JP5002325B2 (ja) | 2012-08-15 |
Family
ID=40142295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007123060A Active JP5002325B2 (ja) | 2007-05-08 | 2007-05-08 | 指針照明装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5002325B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9306442B2 (en) * | 2011-04-18 | 2016-04-05 | Juken Swiss Technology Ag | Motor for a rotatable and illuminable pointer |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54147248U (ja) * | 1978-04-03 | 1979-10-13 | ||
JPS59120499U (ja) * | 1983-01-31 | 1984-08-14 | 日本精機株式会社 | 照明装置 |
JP3470829B2 (ja) * | 1994-09-26 | 2003-11-25 | 矢崎総業株式会社 | 計器用指針 |
JP3204086B2 (ja) * | 1996-04-24 | 2001-09-04 | 株式会社デンソー | 導光装置およびそれを用いた表示装置 |
JP2001281008A (ja) * | 2000-03-31 | 2001-10-10 | Nippon Seiki Co Ltd | 照明装置 |
JP2003014503A (ja) * | 2001-06-29 | 2003-01-15 | Nippon Seiki Co Ltd | 指針式計器 |
US20030079672A1 (en) * | 2001-10-31 | 2003-05-01 | Sergei Kalashnikov | Instrument panel pointer |
KR20020025944A (ko) * | 2002-03-13 | 2002-04-04 | 안정구 | 차량용 인공지능형 계기판과 이의 구동방법 |
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2007
- 2007-05-08 JP JP2007123060A patent/JP5002325B2/ja active Active
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JP2008281343A (ja) | 2008-11-20 |
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