JPH02117501U - - Google Patents
Info
- Publication number
- JPH02117501U JPH02117501U JP2699489U JP2699489U JPH02117501U JP H02117501 U JPH02117501 U JP H02117501U JP 2699489 U JP2699489 U JP 2699489U JP 2699489 U JP2699489 U JP 2699489U JP H02117501 U JPH02117501 U JP H02117501U
- Authority
- JP
- Japan
- Prior art keywords
- plastic lens
- plastic
- lens groups
- inter
- lens group
- 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
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
- 239000000463 material Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 230000005499 meniscus Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図ａおよびｂは本考案の一実施例に係るプ
ラスチツクレンズ構造を示す断面図および平面図
、第２図ａおよびｂは本考案の他の実施例に係る
プラスチツクレンズ構造を示す断面図および平面
図である。
図において、１，１１……プラスチツクレンズ
（凸レンズ）、２，１２……プラスチツクレンズ
（凹レンズ）、３，１３……プラスチツクレンズ
（メニスカスレンズ）、４，１４……レンズ群間
結合部、１５，１６……円環状板部である。
1A and 1B are cross-sectional views and plan views showing a plastic lens structure according to an embodiment of the present invention, and FIGS. 2A and 2B are sectional views and plan views showing a plastic lens structure according to another embodiment of the present invention. FIG. In the figure, 1, 11... Plastic lens (convex lens), 2, 12... Plastic lens (concave lens), 3, 13... Plastic lens (meniscus lens), 4, 14... Inter-lens group coupling portion, 15, 16... An annular plate portion.
Claims (1)
ンズ群により構成される光学系において、 前記複数枚のプラスチツクレンズ群と同材質の
プラスチツクでなり各プラスチツクレンズを外周
部で所定の位置に結合するレンズ群間結合部を有
し、 前記複数枚のプラスチツクレンズ群と前記レン
ズ群間結合部とを一体にモールド成形することに
より、前記複数枚のプラスチツクレンズ群を所定
の光学的な姿勢に確保したことを特徴とするプラ
スチツクレンズ構造。[Scope of Claim for Utility Model Registration] In an optical system composed of a plurality of plastic lens groups that can be molded, the optical system is made of plastic of the same material as the plurality of plastic lens groups, and each plastic lens has a predetermined outer circumference. The lens group has an inter-lens group coupling portion that is coupled at a position, and by integrally molding the plurality of plastic lens groups and the inter-lens group coupling portion, the plurality of plastic lens groups can be attached to a predetermined optical position. Plastic lens structure features a secure posture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2699489U JPH02117501U (en) | 1989-03-09 | 1989-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2699489U JPH02117501U (en) | 1989-03-09 | 1989-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02117501U true JPH02117501U (en) | 1990-09-20 |
Family
ID=31249114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2699489U Pending JPH02117501U (en) | 1989-03-09 | 1989-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02117501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01218337A (en) * | 1988-02-26 | 1989-08-31 | Matsushita Electric Ind Co Ltd | electric blower |
-
1989
- 1989-03-09 JP JP2699489U patent/JPH02117501U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01218337A (en) * | 1988-02-26 | 1989-08-31 | Matsushita Electric Ind Co Ltd | electric blower |