NL7511476A - OPTICAL LENS. - Google Patents
OPTICAL LENS.Info
- Publication number
- NL7511476A NL7511476A NL7511476A NL7511476A NL7511476A NL 7511476 A NL7511476 A NL 7511476A NL 7511476 A NL7511476 A NL 7511476A NL 7511476 A NL7511476 A NL 7511476A NL 7511476 A NL7511476 A NL 7511476A
- Authority
- NL
- Netherlands
- Prior art keywords
- optical lens
- lens
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4273874A GB1462892A (en) | 1974-10-02 | 1974-10-02 | Lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7511476A true NL7511476A (en) | 1976-04-06 |
Family
ID=10425769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7511476A NL7511476A (en) | 1974-10-02 | 1975-09-30 | OPTICAL LENS. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2544148A1 (en) |
FR (1) | FR2287050A1 (en) |
GB (1) | GB1462892A (en) |
NL (1) | NL7511476A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4411488A (en) * | 1980-05-30 | 1983-10-25 | Barr & Stroud Limited | Afocal zoom refractor telescopes |
CH658731A5 (en) * | 1982-06-25 | 1986-11-28 | Kern & Co Ag | LIGHT-EFFECTIVE LENS FOR HEAT RADIATION. |
GB2181567B (en) * | 1985-07-04 | 1989-01-11 | Plessey Co Plc | Infra-red fresnel lenses and methods of fabrication |
DE4234721C2 (en) * | 1991-10-16 | 1995-10-19 | Bodenseewerk Geraetetech | Three lens lens |
EP1980888A4 (en) | 2006-01-30 | 2010-03-17 | Sumitomo Electric Industries | Infrared lens, infrared camera and night vision |
WO2016019537A1 (en) | 2014-08-07 | 2016-02-11 | 深圳市大族激光科技股份有限公司 | Far infrared imaging lens set, objective lens and fire source detector |
-
1974
- 1974-10-02 GB GB4273874A patent/GB1462892A/en not_active Expired
-
1975
- 1975-09-30 NL NL7511476A patent/NL7511476A/en not_active Application Discontinuation
- 1975-10-01 FR FR7530105A patent/FR2287050A1/en not_active Withdrawn
- 1975-10-02 DE DE19752544148 patent/DE2544148A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2544148A1 (en) | 1976-04-15 |
FR2287050A1 (en) | 1976-04-30 |
GB1462892A (en) | 1977-01-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |