JPS63116907U - - Google Patents
Info
- Publication number
- JPS63116907U JPS63116907U JP560087U JP560087U JPS63116907U JP S63116907 U JPS63116907 U JP S63116907U JP 560087 U JP560087 U JP 560087U JP 560087 U JP560087 U JP 560087U JP S63116907 U JPS63116907 U JP S63116907U
- Authority
- JP
- Japan
- Prior art keywords
- front lens
- fresnel prism
- provided near
- light source
- center
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Elements Other Than Lenses (AREA)
Description
第１図乃至第３図は本考案に係る前面レンズの
１実施例を示し、第１図は部分的背面図、第２図
Ａは上記部分的背面図に多数示されたフレネルプ
リズム素子の中の１個を抽出して描いた拡大図、
第２図ＢはそのＢ―Ｂ断面図、第３図は光度分布
特性図表である。第４図乃至第７図はそれぞれ従
来技術の説明図である。
１……ランプハウジング兼リフレクタ、２……
前面レンズ、３……光源、４……本考案の１実施
例における前面レンズ、４ａ……フレネルプリズ
ム素子、４ａ―１……中心部、４ａ―２……周辺
部。
1 to 3 show one embodiment of the front lens according to the present invention, FIG. 1 is a partial back view, and FIG. An enlarged diagram drawn by extracting one of the
FIG. 2B is a sectional view taken along the line BB, and FIG. 3 is a light intensity distribution characteristic chart. FIGS. 4 to 7 are explanatory diagrams of the prior art, respectively. 1... Lamp housing and reflector, 2...
Front lens, 3...Light source, 4...Front lens in one embodiment of the present invention, 4a...Fresnel prism element, 4a - 1 ...center, 4a - 2 ...periphery.
補正 昭６２．３．１３
図面の簡単な説明を次のように補正する。
明細書中、図面の簡単な説明の欄、第７頁９行
目の「従来技術の説明図である。」の次に、次記
を加入する。
「第８図は前記１実施例の前面レンズを装着し
た車輌用灯具の断面図である。」Amendment March 13, 1982 The brief description of the drawing is amended as follows. In the specification, the following is added next to "This is an explanatory diagram of the prior art" on page 7, line 9, in the column for a brief explanation of the drawings. ``FIG. 8 is a sectional view of a vehicle lamp equipped with the front lens of the first embodiment.''
Claims (1)
近に装着される前面レンズにおいて、該前面レン
ズに多数のフレネルプリズム素子を配列し、かつ
上記フレネルプリズム素子の中央部付近にフラツ
トな素通し部を設けたことを特徴とする車輌灯具
用の前面レンズ。 In a front lens mounted near the front opening of a concave mirror with a light source provided near the focal point, a large number of Fresnel prism elements are arranged on the front lens, and a flat transparent portion is provided near the center of the Fresnel prism element. A front lens for vehicle lights that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP560087U JPS63116907U (en) | 1987-01-20 | 1987-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP560087U JPS63116907U (en) | 1987-01-20 | 1987-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63116907U true JPS63116907U (en) | 1988-07-28 |
Family
ID=30787335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP560087U Pending JPS63116907U (en) | 1987-01-20 | 1987-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63116907U (en) |
-
1987
- 1987-01-20 JP JP560087U patent/JPS63116907U/ja active Pending
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