JP4990488B2 - 計器用指針照明構造 - Google Patents
計器用指針照明構造 Download PDFInfo
- Publication number
- JP4990488B2 JP4990488B2 JP2004290239A JP2004290239A JP4990488B2 JP 4990488 B2 JP4990488 B2 JP 4990488B2 JP 2004290239 A JP2004290239 A JP 2004290239A JP 2004290239 A JP2004290239 A JP 2004290239A JP 4990488 B2 JP4990488 B2 JP 4990488B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- pointer
- reflecting surface
- pointer member
- light incident
- 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.)
- Expired - Lifetime
Links
- 238000005286 illumination Methods 0.000 claims description 22
- 238000004040 coloring Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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- Details Of Measuring Devices (AREA)
Description
18 第1反射面(反射面)
19 第2反射面(反射面)
41 LED(光源)
Claims (2)
- 光源から入射した光を透過して指針部材を発光させる計器用指針照明構造であって、
前記指針部材が、前記光源からの光が入射される入光部と、前記入光部に入射された光を反射させる凹の曲面から成る第1反射面と、該第1反射面に対向して配置された、前記第1反射面側に凸の曲面から成る第2反射面と、を有し、
前記第1反射面の凹の曲面の曲率半径が、前記第2反射面の凸の曲面の曲率半径より大きく、
前記第1反射面が、前記指針部材の上面を該第1反射面の側に延長した面より下側にあり、
前記第2反射面が、前記指針部材の下面を前記第1反射面の側に延長した面より下側にあって、前記下面に滑らかに連続する曲率半径を有し、
前記第1反射面で反射した反射光の一部が前記指針部材の針先に向かい、他の一部が前記第2反射面で再反射して前記指針部材の上面に向かうように、前記第1反射面および第2反射面が配置され、
前記入光部が、該入光部に入射される光の進行方向前方に位置する前記第1反射面の上側端部よりも、前記指針部材の針先が位置する側とは反対側に設けられていることを特徴とする計器用指針照明構造。 - 前記指針部材の発光範囲が、回転軸上面から針先部までであることを特徴とする請求項1に記載した計器用指針照明構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004290239A JP4990488B2 (ja) | 2004-10-01 | 2004-10-01 | 計器用指針照明構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004290239A JP4990488B2 (ja) | 2004-10-01 | 2004-10-01 | 計器用指針照明構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006105679A JP2006105679A (ja) | 2006-04-20 |
JP4990488B2 true JP4990488B2 (ja) | 2012-08-01 |
Family
ID=36375609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004290239A Expired - Lifetime JP4990488B2 (ja) | 2004-10-01 | 2004-10-01 | 計器用指針照明構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4990488B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5060840B2 (ja) * | 2007-06-20 | 2012-10-31 | 矢崎総業株式会社 | 発光指針計器 |
JP5627482B2 (ja) * | 2011-01-27 | 2014-11-19 | 矢崎総業株式会社 | 指針部材、指針ユニット、及び、指針計器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4636628Y1 (ja) * | 1967-10-18 | 1971-12-16 | ||
JPS546745A (en) * | 1977-06-17 | 1979-01-19 | Matsushita Electric Ind Co Ltd | Resonator |
JPS5467454A (en) * | 1977-11-09 | 1979-05-30 | Nissan Motor | Meter with pointer |
JPS56114496U (ja) * | 1980-02-04 | 1981-09-03 | ||
JPS6093993U (ja) * | 1983-12-01 | 1985-06-26 | 矢崎総業株式会社 | 計器の指針照明装置 |
JPH0620097Y2 (ja) * | 1987-02-05 | 1994-05-25 | 矢崎総業株式会社 | 計器の照明装置 |
JPH01102720U (ja) * | 1987-12-25 | 1989-07-11 | ||
JP2959443B2 (ja) * | 1995-07-31 | 1999-10-06 | 日本精機株式会社 | 発光指針 |
JPH1130533A (ja) * | 1997-07-11 | 1999-02-02 | Yazaki Corp | 計器用指針照明装置 |
JP2002296081A (ja) * | 2001-03-30 | 2002-10-09 | Nippon Seiki Co Ltd | 発光指針 |
JP2003149012A (ja) * | 2001-08-31 | 2003-05-21 | Denso Corp | 車両用指針計器 |
-
2004
- 2004-10-01 JP JP2004290239A patent/JP4990488B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2006105679A (ja) | 2006-04-20 |
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