JPH0440407U - - Google Patents
Info
- Publication number
- JPH0440407U JPH0440407U JP8286290U JP8286290U JPH0440407U JP H0440407 U JPH0440407 U JP H0440407U JP 8286290 U JP8286290 U JP 8286290U JP 8286290 U JP8286290 U JP 8286290U JP H0440407 U JPH0440407 U JP H0440407U
- Authority
- JP
- Japan
- Prior art keywords
- light
- lens
- absorbing film
- transmitting
- shielding part
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Description
第１図は本考案を実施する高コントラスト灯具
の第一の実施例を示す縦断面図、第２図は光吸収
性膜の第一の実施例を示す同灯具の正面図、第３
図ａ，ｂ及びｃはそれぞれ光吸収性膜の他の実施
例を示す正面図、第４図は従来の灯具を示す縦断
面略図、第５図及び第６図はそれぞれ従来の擬似
点灯防止灯具を示す縦断面略図、第７図ａ及びｂ
はそれぞれ円形、矩形のリフレクタにおける反射
鏡輝光部を示す説明図である。
１……リフレクタ、２……放物鏡面、３……点
灯バルブ、４……インナーレンズ、５……アウタ
ーレンズ、６……光吸収性膜、７……遮光部、８
……透光部、９……集光レンズステツプ、１０…
…横縞状遮光部、１１……スモーク部、１２……
格子状遮光部。
FIG. 1 is a vertical cross-sectional view showing a first embodiment of a high-contrast lighting device implementing the present invention, FIG. 2 is a front view of the same lighting device showing a first embodiment of a light-absorbing film, and FIG.
Figures a, b, and c are front views showing other embodiments of the light-absorbing film, Figure 4 is a schematic vertical cross-sectional view of a conventional lamp, and Figures 5 and 6 are respectively conventional false lighting prevention lamps. FIG. 7a and b
2A and 2B are explanatory diagrams showing reflective mirror bright parts in circular and rectangular reflectors, respectively. DESCRIPTION OF SYMBOLS 1... Reflector, 2... Parabolic mirror surface, 3... Lighting bulb, 4... Inner lens, 5... Outer lens, 6... Light absorbing film, 7... Light shielding part, 8
...Transparent part, 9...Condensing lens step, 10...
...Horizontal striped light shielding part, 11...Smoke part, 12...
Grid-shaped light shielding part.
Claims (1)
表面に遮光部と透光部とから成る光吸収性膜を設
けると共に、該前面レンズの内面又は該前面レン
ズの内側に配置した別のレンズに前記光吸収性膜
の透光部に集光させる集光レンズステツプを配置
して成る灯具において、 前記反射鏡の輝光部と対応する部位の光吸収性
膜の透光部に対する遮光部の面積比を大きく、非
輝光部と対応する部位の透光部に対する遮光部の
面積比を小さく構成したことを特徴とする 高コントラスト信号灯。[Claims for Utility Model Registration] A light-absorbing film consisting of a light-shielding part and a light-transmitting part is provided on the surface of the front lens that covers the front of the lighting bulb, and the inner surface of the front lens or the front lens In a lamp comprising a condensing lens step that focuses light on a light-transmitting part of the light-absorbing film on another lens arranged inside, a light-transmitting lens step of the light-absorbing film in a portion corresponding to the bright part of the reflecting mirror is provided. A high-contrast signal lamp characterized in that the area ratio of the light shielding part to the light part is large, and the area ratio of the light shielding part to the transparent part corresponding to the non-luminous part is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082862U JPH084649Y2 (en) | 1990-08-04 | 1990-08-04 | High contrast signal light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990082862U JPH084649Y2 (en) | 1990-08-04 | 1990-08-04 | High contrast signal light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0440407U true JPH0440407U (en) | 1992-04-06 |
| JPH084649Y2 JPH084649Y2 (en) | 1996-02-07 |
Family
ID=31630046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990082862U Expired - Lifetime JPH084649Y2 (en) | 1990-08-04 | 1990-08-04 | High contrast signal light |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH084649Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH075208U (en) * | 1993-06-21 | 1995-01-24 | 株式会社小糸製作所 | Car beacon |
| JP2001229492A (en) * | 2000-02-15 | 2001-08-24 | Koito Ind Ltd | Traffic light |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6238247U (en) * | 1985-08-28 | 1987-03-06 | ||
| JPS6273501A (en) * | 1985-09-27 | 1987-04-04 | 株式会社小糸製作所 | Lamp implement for vehicle |
-
1990
- 1990-08-04 JP JP1990082862U patent/JPH084649Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6238247U (en) * | 1985-08-28 | 1987-03-06 | ||
| JPS6273501A (en) * | 1985-09-27 | 1987-04-04 | 株式会社小糸製作所 | Lamp implement for vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH075208U (en) * | 1993-06-21 | 1995-01-24 | 株式会社小糸製作所 | Car beacon |
| JP2001229492A (en) * | 2000-02-15 | 2001-08-24 | Koito Ind Ltd | Traffic light |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH084649Y2 (en) | 1996-02-07 |