JPS5896501U - Tubular Fresnel lens for marker lights - Google Patents
Tubular Fresnel lens for marker lightsInfo
- Publication number
- JPS5896501U JPS5896501U JP19553481U JP19553481U JPS5896501U JP S5896501 U JPS5896501 U JP S5896501U JP 19553481 U JP19553481 U JP 19553481U JP 19553481 U JP19553481 U JP 19553481U JP S5896501 U JPS5896501 U JP S5896501U
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- cylindrical
- cylindrical fresnel
- tubular
- lens
- 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
- 239000003550 marker Substances 0.000 title claims 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Lenses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図Ａは従来から使用されている一般的な筒状フレネ
ルレンズの外観正面図、第１図Ｂは一般的な筒状フレネ
ルレンズに対する光の屈折状態を ′示す説明図、
第２図は筒状フレネルレンズに折射プリズムを組み合わ
せた場合の光の屈折状態を示す説明図、第３図は本願考
案にかかる筒状フレネルレンズの左半分を切断した正面
図、第４図は補助レンズ系筒状フレネルレンズの光軸Ｘ
′を主レンズ系筒状フレネルレンズの光軸Ｘより０２度
傾けた場合の説明図を示す。
１．１’、１″・・・円筒状あるいは台形円錐状内、面
、２． ２’・・・フレネル面、３・・・筒状フレネル
レンズ、Ｈｌ・・・主レンズ系筒状フレネルレンズ、Ｈ
２・・・補助レンズ系筒状フレネルレンズ。FIG. 1A is an external front view of a conventionally used general cylindrical Fresnel lens, and FIG. 1B is an explanatory diagram showing the refraction state of light with respect to a general cylindrical Fresnel lens.
Fig. 2 is an explanatory diagram showing the state of refraction of light when a refraction prism is combined with a cylindrical Fresnel lens, Fig. 3 is a front view of the cylindrical Fresnel lens according to the present invention with the left half cut away, and Fig. 4 is Auxiliary lens system Optical axis X of cylindrical Fresnel lens
An explanatory diagram is shown in which ' is tilted by 02 degrees from the optical axis X of the cylindrical Fresnel lens of the main lens system. 1.1', 1''... Cylindrical or trapezoidal conical inner surface, 2. 2'... Fresnel surface, 3... Cylindrical Fresnel lens, Hl... Main lens system Cylindrical Fresnel lens ,H
2... Auxiliary lens system cylindrical Fresnel lens.
Claims (1)
レネル面を構成した主レンズ系の筒状フレネルレンズの
上部に、更に傾斜度の大きな台形円錐状の内面を有し外
面にフレネル面を構成した補助レンズ系の筒状フレネル
レンズを連接形成したことを特徴とする標識灯用筒状フ
レネルレンズ ２ 補助レンズ系の筒状フレネルレンズの光軸を主レン
ズ系の筒状フレネルレンズの光軸に対しある一定の角度
を持たせたことを特徴とする実用新案登録請求の範囲第
１項記載の標識灯用筒状フレネルレンズ。[Claims for Utility Model Registration] 1. A cylindrical Fresnel lens of a main lens system whose inner surface is formed into a cylindrical or trapezoidal conical shape and a Fresnel surface is formed on the outer surface, and an inner surface having a trapezoidal conical shape with a larger slope is provided on the upper part of the cylindrical Fresnel lens of the main lens system. A cylindrical Fresnel lens for a marker light, characterized in that a cylindrical Fresnel lens of an auxiliary lens system, which has a Fresnel surface on its outer surface, is formed in a connected manner. A cylindrical Fresnel lens for a marker light according to claim 1, which is characterized in that the cylindrical Fresnel lens has a certain angle with respect to the optical axis thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19553481U JPS5896501U (en) | 1981-12-24 | 1981-12-24 | Tubular Fresnel lens for marker lights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19553481U JPS5896501U (en) | 1981-12-24 | 1981-12-24 | Tubular Fresnel lens for marker lights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5896501U true JPS5896501U (en) | 1983-06-30 |
Family
ID=30108808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19553481U Pending JPS5896501U (en) | 1981-12-24 | 1981-12-24 | Tubular Fresnel lens for marker lights |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5896501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02107594U (en) * | 1989-02-14 | 1990-08-27 | ||
| JPH02306513A (en) * | 1989-02-20 | 1990-12-19 | Omron Corp | Reflex type photoelectric switch and fresnel lens and manufacture of it |
| JP2024031638A (en) * | 2022-08-26 | 2024-03-07 | 株式会社ゼニライトブイ | Navigation aid lights |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253276A (en) * | 1963-12-19 | 1966-05-24 | Elastic Stop Nut Corp | Signal lantern lens |
-
1981
- 1981-12-24 JP JP19553481U patent/JPS5896501U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253276A (en) * | 1963-12-19 | 1966-05-24 | Elastic Stop Nut Corp | Signal lantern lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02107594U (en) * | 1989-02-14 | 1990-08-27 | ||
| JPH02306513A (en) * | 1989-02-20 | 1990-12-19 | Omron Corp | Reflex type photoelectric switch and fresnel lens and manufacture of it |
| JP2024031638A (en) * | 2022-08-26 | 2024-03-07 | 株式会社ゼニライトブイ | Navigation aid lights |
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