JPS6347316U - - Google Patents
Info
- Publication number
- JPS6347316U JPS6347316U JP14219986U JP14219986U JPS6347316U JP S6347316 U JPS6347316 U JP S6347316U JP 14219986 U JP14219986 U JP 14219986U JP 14219986 U JP14219986 U JP 14219986U JP S6347316 U JPS6347316 U JP S6347316U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light
- plastic lens
- grooves
- flange
- 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 2
- 239000011358 absorbing material Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Lens Barrels (AREA)
Description
第１図は本考案によるプラスチツクレンズの断
面図、第２図は第１図における―線に沿つた
矢視図、第３図は第１図に示した実施例の作用を
示す説明図、第４図は本考案の別の実施例を示す
プラスチツクレンズの断面図、第５図は第４図に
おける―線に沿つた矢視図、第６図は本考案
の他の実施例を示すプラスチツクレンズの断面図
、第７図ないし第１０図は従来のプラスチツクレ
ンズの断面図、第１１図は従来のプラスチツクレ
ンズの作用を示す説明図である。
１…フランジ、２…プラスチツクレンズ、３，
４…溝。
Fig. 1 is a sectional view of the plastic lens according to the present invention, Fig. 2 is a view taken along the - line in Fig. 1, Fig. 3 is an explanatory diagram showing the operation of the embodiment shown in Fig. 1, Fig. 4 is a sectional view of a plastic lens showing another embodiment of the present invention, Fig. 5 is a view taken along the line - in Fig. 4, and Fig. 6 is a plastic lens showing another embodiment of the invention. 7 to 10 are cross-sectional views of a conventional plastic lens, and FIG. 11 is an explanatory diagram showing the function of a conventional plastic lens. 1...flange, 2...plastic lens, 3,
4...Groove.
Claims (1)
るフランジを有するプラスチツクレンズにおいて
、上記フランジの内周部に、光軸方向に対して平
行な形成方向をもち、かつ、レンズ前面から観て
凹凸状の溝で形成した遮光部を設けたことを特徴
とするプラスチツクレンズ。 ２ 遮光部を、鋸歯状の溝に形成し、この溝内に
吸光性材料を塗布又は充填することによつて形成
した実用新案登録請求の範囲第１項記載のプラス
チツクレンズ。[Claims for Utility Model Registration] 1. A plastic lens having a flange on the outer periphery of the lens that protrudes in the optical axis direction of the lens, the inner periphery of the flange having a forming direction parallel to the optical axis direction, Furthermore, a plastic lens is provided with a light-shielding portion formed by uneven grooves when viewed from the front surface of the lens. 2. The plastic lens according to claim 1, in which the light-shielding portion is formed by forming sawtooth grooves and coating or filling the grooves with a light-absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14219986U JPS6347316U (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14219986U JPS6347316U (en) | 1986-09-17 | 1986-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347316U true JPS6347316U (en) | 1988-03-31 |
Family
ID=31050696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14219986U Pending JPS6347316U (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347316U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005181771A (en) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Lens barrel |
| JP2005532589A (en) * | 2002-07-08 | 2005-10-27 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Optical lens element and optical lens device provided with the lens element |
| JP2009025584A (en) * | 2007-07-20 | 2009-02-05 | Hoya Corp | Light shielding structure |
| JP2009244529A (en) * | 2008-03-31 | 2009-10-22 | Konica Minolta Opto Inc | Light shielding part and lens barrel |
| JP2019203992A (en) * | 2018-05-23 | 2019-11-28 | カンタツ株式会社 | Optical element and image capturing lens |
-
1986
- 1986-09-17 JP JP14219986U patent/JPS6347316U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005532589A (en) * | 2002-07-08 | 2005-10-27 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Optical lens element and optical lens device provided with the lens element |
| JP2005181771A (en) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Lens barrel |
| JP2009025584A (en) * | 2007-07-20 | 2009-02-05 | Hoya Corp | Light shielding structure |
| JP2009244529A (en) * | 2008-03-31 | 2009-10-22 | Konica Minolta Opto Inc | Light shielding part and lens barrel |
| JP2019203992A (en) * | 2018-05-23 | 2019-11-28 | カンタツ株式会社 | Optical element and image capturing lens |