JP5137000B2 - 光線の収束範囲を増大させる線状光源 - Google Patents
光線の収束範囲を増大させる線状光源 Download PDFInfo
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- JP5137000B2 JP5137000B2 JP2006213118A JP2006213118A JP5137000B2 JP 5137000 B2 JP5137000 B2 JP 5137000B2 JP 2006213118 A JP2006213118 A JP 2006213118A JP 2006213118 A JP2006213118 A JP 2006213118A JP 5137000 B2 JP5137000 B2 JP 5137000B2
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- 238000001228 spectrum Methods 0.000 claims description 4
- RYZCLUQMCYZBJQ-UHFFFAOYSA-H lead(2+);dicarbonate;dihydroxide Chemical compound [OH-].[OH-].[Pb+2].[Pb+2].[Pb+2].[O-]C([O-])=O.[O-]C([O-])=O RYZCLUQMCYZBJQ-UHFFFAOYSA-H 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/02825—Using a single or a few point light sources, e.g. a laser diode in combination with at least one reflector which is fixed in relation to the light source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/0284—Using a single or a few point light sources, e.g. a laser diode in combination with a light integrating, concentrating or diffusing cavity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
- H04N1/0289—Light diffusing elements, e.g. plates or filters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Elements Other Than Lenses (AREA)
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第一鋸歯の高度X1=(L-N1)*tanΘ (1)
第二鋸歯の高度X2=(L-N2)*tanΘ
また、
第一鋸歯の斜面長さY1=X1/sinφ1 (2)
第二鋸歯の斜面長さY2=X2/sinφ2
上述の式(1)でそれぞれの鋸歯の高度が計算でき、更に、上式(2)でそれぞれの鋸歯の斜面長さを求め、nとφを変化させることにより鋸歯の斜面長さを変更して、光線の屈折の大きさと反射の強さを制御する目的を達成する。
20 導光バー
30 反射スリーブ
32 透光開口
12 装着孔座
14 LED
22 出射面
24 反射面
26 入射面
32 透光開口
34 上スリーブ
36 下スリーブ
38 第二の反射板
40 標的
400 搭載ベース
34B 頂部
1000 導光バー
1010 出射面
1020 反射面
1050A、1050B 発光ダイオードパッケージ
1060 装着孔座
1070 ピン
1100 導光バー
1120 反射面
1200 導光バー
1210 出射面
1220 反射面
Claims (8)
- 線状光源であって、
該線状光源から出射する光線の収束範囲を従来の装置より増大させるために、
多辺形柱体で、一つの辺面が出射面で、一端が入射面で、その他の複数の面が反射面であり、前記出射面が鋸歯状表面であり、さらに前記複数の反射面の少なくとも一面が鋸歯状表面である導光バーと、
前記導光バーの前記入射面に連接され、且つ、少なくとも一つの発光ダイオードを有する光源と、
前記導光バー外を包覆し、前記出射面に対向して透光開口を有し、且つ、前記透光開口の一側に第二の反射板を有し、前記反射面での光線の反射を増加させて、前記出射面の方向に投射する反射板としての反射スリーブと、
からなることを特徴とする光線の収束範囲を増大させる線状光源。 - 前記鋸歯状表面の鋸歯状突起の大きさが前記導光バーの前記光源の位置から前記導光バーにそって段階的に小さくなる形状で、前記出射面の外表面に形成されることを特徴とする請求項1に記載の光線の収束範囲を増大させる線状光源。
- 前記光源上に、前記導光バーの前記入射面の形状に対応する装着孔座を有して、前記導光バーを固定することを特徴とする請求項1に記載の光線の収束範囲を増大させる線状光源。
- 前記発光ダイオードは少なくとも一つの可視光スペクトル、或いは、赤外線または紫外線を含むことを特徴とする請求項12に記載の光線の収束範囲を増大させる線状光源。
- 前記発光ダイオードは、前記装着孔座の中心点から直径で1.12±0.1センチの範囲の円内に配置されることを特徴とする請求項1に記載の光線の収束範囲を増大させる線状光源。
- 前記反射スリーブは、更に、上スリーブと下スリーブからなり、前記上スリーブと下スリーブは一体に組み合わされることを特徴とする請求項1に記載の光線の収束範囲を増大させる線状光源。
- 前記鋸歯状表面の傾斜角は、前記光源の位置から前記導光バーにそって徐々に減少し、その角度は0.03〜0.15度であることを特徴とする請求項1に記載の光線の収束範囲を増大させる線状光源。
- 前記反射スリーブの色は、白、銀白色、銀色のどれか一色であることを特徴とする請求項1に記載の光線の収束範囲を増大させる線状光源。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/207,836 | 2005-08-22 | ||
US11/207,836 US7267467B2 (en) | 2004-06-02 | 2005-08-22 | Linear light source for enhancing uniformity of beaming light within the beaming light's effective focal range |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007060653A JP2007060653A (ja) | 2007-03-08 |
JP5137000B2 true JP5137000B2 (ja) | 2013-02-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006213118A Active JP5137000B2 (ja) | 2005-08-22 | 2006-08-04 | 光線の収束範囲を増大させる線状光源 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7267467B2 (ja) |
JP (1) | JP5137000B2 (ja) |
CN (1) | CN1928423A (ja) |
TW (1) | TW200708762A (ja) |
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JP3944816B2 (ja) * | 2001-01-31 | 2007-07-18 | ミネベア株式会社 | 面状照明装置 |
US6561660B2 (en) * | 2001-06-26 | 2003-05-13 | Wintek Corporation | Light guiding device of a liquid crystal display |
JP4001736B2 (ja) * | 2001-10-23 | 2007-10-31 | アルプス電気株式会社 | 面発光装置及び液晶表示装置 |
US6851816B2 (en) * | 2002-05-09 | 2005-02-08 | Pixon Technologies Corp. | Linear light source device for image reading |
US6786626B2 (en) * | 2002-05-09 | 2004-09-07 | Pixon Technologies Corp. | Linear light source device for image reading |
TWI239204B (en) * | 2004-02-17 | 2005-09-01 | Pixon Technologies Corp | Linear light source with enhancing focal distance range of light |
-
2005
- 2005-08-22 US US11/207,836 patent/US7267467B2/en not_active Expired - Lifetime
-
2006
- 2006-05-05 TW TW095116059A patent/TW200708762A/zh unknown
- 2006-05-16 CN CNA2006100804499A patent/CN1928423A/zh active Pending
- 2006-08-04 JP JP2006213118A patent/JP5137000B2/ja active Active
Also Published As
Publication number | Publication date |
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CN1928423A (zh) | 2007-03-14 |
JP2007060653A (ja) | 2007-03-08 |
US7267467B2 (en) | 2007-09-11 |
US20050276064A1 (en) | 2005-12-15 |
TW200708762A (en) | 2007-03-01 |
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