JPS4895850A - - Google Patents
Info
- Publication number
- JPS4895850A JPS4895850A JP2274173A JP2274173A JPS4895850A JP S4895850 A JPS4895850 A JP S4895850A JP 2274173 A JP2274173 A JP 2274173A JP 2274173 A JP2274173 A JP 2274173A JP S4895850 A JPS4895850 A JP S4895850A
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Eyeglasses (AREA)
- Polarising Elements (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23040872A | 1972-02-29 | 1972-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4895850A true JPS4895850A (ja) | 1973-12-08 |
Family
ID=22865106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2274173A Pending JPS4895850A (ja) | 1972-02-29 | 1973-02-27 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4895850A (ja) |
| DE (1) | DE2309732A1 (ja) |
| FR (1) | FR2177774B1 (ja) |
| IT (1) | IT979490B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50147823A (ja) * | 1974-05-20 | 1975-11-27 |
-
1973
- 1973-02-26 IT IT2086873A patent/IT979490B/it active
- 1973-02-27 JP JP2274173A patent/JPS4895850A/ja active Pending
- 1973-02-27 DE DE19732309732 patent/DE2309732A1/de active Pending
- 1973-02-28 FR FR7307000A patent/FR2177774B1/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50147823A (ja) * | 1974-05-20 | 1975-11-27 | ||
| JPS594820B2 (ja) * | 1974-05-20 | 1984-02-01 | 大日本印刷株式会社 | 色分離フイルタ−の製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2177774A1 (ja) | 1973-11-09 |
| DE2309732A1 (de) | 1973-09-06 |
| IT979490B (it) | 1974-09-30 |
| FR2177774B1 (ja) | 1976-11-05 |