JPS63111704U - - Google Patents
Info
- Publication number
- JPS63111704U JPS63111704U JP289687U JP289687U JPS63111704U JP S63111704 U JPS63111704 U JP S63111704U JP 289687 U JP289687 U JP 289687U JP 289687 U JP289687 U JP 289687U JP S63111704 U JPS63111704 U JP S63111704U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- source bulb
- reflector
- cut line
- spheroidal
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Description
第１図は本考案に係るプロジエクタ型前照灯の
１実施例の縦断面図、第２図はリフレクタの説明
図である。第３図乃至第５図は上記実施例の作用
効果説明図、第６図はリフレクタの断面図である
。第７図は上記と異なる実施例の縦断面図である
。第８図は公知例のプロジエクタ型前照灯の説明
図である。第９図乃至第１１図は従来例のプロジ
エクタ型前照灯を示し、第９図は平面図、第１０
図は側面図、第１１図は正面図である。第１２図
乃至第１４図は上記従来例の光学的特性を示す図
表である。
１…凹面鏡、２…光源バルブ、３…凸レンズ、
４…シエード、４′…平面鏡、４ａ…カツトライ
ン、６…回転楕円面鏡、７…球面鏡。
FIG. 1 is a longitudinal sectional view of one embodiment of a projector type headlamp according to the present invention, and FIG. 2 is an explanatory diagram of a reflector. 3 to 5 are explanatory views of the effects of the above embodiment, and FIG. 6 is a sectional view of the reflector. FIG. 7 is a longitudinal sectional view of an embodiment different from the above. FIG. 8 is an explanatory diagram of a known projector type headlamp. 9 to 11 show conventional projector type headlights, FIG. 9 is a plan view, and FIG. 10 is a plan view.
The figure is a side view, and FIG. 11 is a front view. 12 to 14 are charts showing the optical characteristics of the above-mentioned conventional example. 1... Concave mirror, 2... Light source bulb, 3... Convex lens,
4...shade, 4'...plane mirror, 4a...cut line, 6...spheroidal mirror, 7...spherical mirror.
Claims (1)
の光源バルブから出射した光が反射鏡で反射され
てカツトラインを有する部材の近傍で焦点を結び
、凸レンズによつて前記反射光を前方に投射する
プロジエクタ型前照灯において、前記の反射鏡の
上半部は回転楕円面状の反射面を有するものとす
ると共に、該反射鏡の下半部は球面状の反射面を
有するものとし、かつ、前記回転楕円面の第１焦
点位置と、前記球面の中心点位置と、前記光源バ
ルブのフイラメント位置とを略同一点に一致せし
め、かつ、前記のカツトラインを有する部材は、
光軸と平行に設けた平面鏡であることを特徴とす
るプロジエクタ型前照灯。 A light source bulb is installed near the focal point of the reflecting mirror, and the light emitted from the light source bulb is reflected by the reflecting mirror and focused near a member having a cut line, and the reflected light is projected forward by a convex lens. In the projector type headlamp, the upper half of the reflector has a spheroidal reflective surface, and the lower half of the reflector has a spherical reflective surface, and A member having the first focal point position of the spheroidal surface, the center point position of the spherical surface, and the filament position of the light source bulb at substantially the same point, and having the cut line,
A projector-type headlight characterized by a plane mirror installed parallel to the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP289687U JPS63111704U (en) | 1987-01-14 | 1987-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP289687U JPS63111704U (en) | 1987-01-14 | 1987-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63111704U true JPS63111704U (en) | 1988-07-18 |
Family
ID=30782161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP289687U Pending JPS63111704U (en) | 1987-01-14 | 1987-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63111704U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006019049A (en) * | 2004-06-30 | 2006-01-19 | Ichikoh Ind Ltd | Vehicular lighting fixture |
| JP2006527416A (en) * | 2003-06-10 | 2006-11-30 | サムスン エレクトロニクス カンパニー リミテッド | Compact light source module and projection type image display apparatus using the same |
| JP2008091349A (en) * | 2007-12-25 | 2008-04-17 | Koito Mfg Co Ltd | Light source unit and vehicular lighting fixture |
| JP2010257848A (en) * | 2009-04-27 | 2010-11-11 | Koito Mfg Co Ltd | Vehicular headlight |
| US8235570B2 (en) | 2008-12-26 | 2012-08-07 | Ichikoh Industries, Ltd. | Vehicle headlamp |
-
1987
- 1987-01-14 JP JP289687U patent/JPS63111704U/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006527416A (en) * | 2003-06-10 | 2006-11-30 | サムスン エレクトロニクス カンパニー リミテッド | Compact light source module and projection type image display apparatus using the same |
| JP4823898B2 (en) * | 2003-06-10 | 2011-11-24 | サムスン エレクトロニクス カンパニー リミテッド | Compact light source module and projection type image display apparatus using the same |
| JP2006019049A (en) * | 2004-06-30 | 2006-01-19 | Ichikoh Ind Ltd | Vehicular lighting fixture |
| JP2008091349A (en) * | 2007-12-25 | 2008-04-17 | Koito Mfg Co Ltd | Light source unit and vehicular lighting fixture |
| JP4647650B2 (en) * | 2007-12-25 | 2011-03-09 | 株式会社小糸製作所 | Light source unit and vehicle lamp |
| US8235570B2 (en) | 2008-12-26 | 2012-08-07 | Ichikoh Industries, Ltd. | Vehicle headlamp |
| JP2010257848A (en) * | 2009-04-27 | 2010-11-11 | Koito Mfg Co Ltd | Vehicular headlight |