JPH0321885B2 - - Google Patents
Info
- Publication number
- JPH0321885B2 JPH0321885B2 JP56186250A JP18625081A JPH0321885B2 JP H0321885 B2 JPH0321885 B2 JP H0321885B2 JP 56186250 A JP56186250 A JP 56186250A JP 18625081 A JP18625081 A JP 18625081A JP H0321885 B2 JPH0321885 B2 JP H0321885B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- curvature
- ring
- temperature
- plastic
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/028—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18625081A JPS5887506A (ja) | 1981-11-20 | 1981-11-20 | 自己変形防止プラスチツクレンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18625081A JPS5887506A (ja) | 1981-11-20 | 1981-11-20 | 自己変形防止プラスチツクレンズ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16936186A Division JPS6211814A (ja) | 1986-07-18 | 1986-07-18 | レンズ保持装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5887506A JPS5887506A (ja) | 1983-05-25 |
JPH0321885B2 true JPH0321885B2 (zh) | 1991-03-25 |
Family
ID=16184974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18625081A Granted JPS5887506A (ja) | 1981-11-20 | 1981-11-20 | 自己変形防止プラスチツクレンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5887506A (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE458072B (sv) * | 1987-07-03 | 1989-02-20 | Ericsson Telefon Ab L M | Anordning foer att vid varierande temperatur haalla en optisk lins i oenskat laege i en linsfattning |
JP2007025390A (ja) * | 2005-07-19 | 2007-02-01 | Fanuc Ltd | 光学素子保持機構及びレーザ機器 |
JP6997610B2 (ja) * | 2017-12-07 | 2022-02-04 | 株式会社小糸製作所 | 光源ユニットと光源ユニットのレンズ固定方法 |
JP7016016B2 (ja) * | 2018-03-01 | 2022-02-04 | パナソニックIpマネジメント株式会社 | 照明装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4837616A (zh) * | 1971-09-10 | 1973-06-02 | ||
JPS5471322A (en) * | 1977-11-18 | 1979-06-07 | Hitachi Ltd | Induction electric apparatus magnetic shielding device |
JPS56151902A (en) * | 1980-04-25 | 1981-11-25 | Konishiroku Photo Ind Co Ltd | Plastic lens |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831124Y2 (ja) * | 1979-04-09 | 1983-07-09 | オリンパス光学工業株式会社 | レンズ構体 |
JPH019924Y2 (zh) * | 1979-07-02 | 1989-03-20 | ||
JPS57108203U (zh) * | 1980-12-24 | 1982-07-03 |
-
1981
- 1981-11-20 JP JP18625081A patent/JPS5887506A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4837616A (zh) * | 1971-09-10 | 1973-06-02 | ||
JPS5471322A (en) * | 1977-11-18 | 1979-06-07 | Hitachi Ltd | Induction electric apparatus magnetic shielding device |
JPS56151902A (en) * | 1980-04-25 | 1981-11-25 | Konishiroku Photo Ind Co Ltd | Plastic lens |
Also Published As
Publication number | Publication date |
---|---|
JPS5887506A (ja) | 1983-05-25 |
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