GB1367889A - Lenses and mirrors - Google Patents
Lenses and mirrorsInfo
- Publication number
- GB1367889A GB1367889A GB5354370A GB5354370A GB1367889A GB 1367889 A GB1367889 A GB 1367889A GB 5354370 A GB5354370 A GB 5354370A GB 5354370 A GB5354370 A GB 5354370A GB 1367889 A GB1367889 A GB 1367889A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mirrors
- lenses
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5354370A GB1367889A (en) | 1970-11-11 | 1970-11-11 | Lenses and mirrors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5354370A GB1367889A (en) | 1970-11-11 | 1970-11-11 | Lenses and mirrors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1367889A true GB1367889A (en) | 1974-09-25 |
Family
ID=10468176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5354370A Expired GB1367889A (en) | 1970-11-11 | 1970-11-11 | Lenses and mirrors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1367889A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2178867A (en) * | 1985-07-29 | 1987-02-18 | Illinois Tool Works | A toroidal lens and a light source including it |
DE102013203288A1 (en) * | 2012-10-29 | 2014-04-30 | Thomas Wedershoven | Method for calculating spectacle lens for eye of person, involves detecting data over eye and its refractive error, where detected data is included over non-orthogonal cornea astigmatism |
EP2778732A1 (en) * | 2013-03-11 | 2014-09-17 | Instytut Optyki Stosowanej | Refractive optical element having a convex helical surface for athermalizing an infrared imaging system |
-
1970
- 1970-11-11 GB GB5354370A patent/GB1367889A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2178867A (en) * | 1985-07-29 | 1987-02-18 | Illinois Tool Works | A toroidal lens and a light source including it |
GB2178867B (en) * | 1985-07-29 | 1989-04-19 | Illinois Tool Works | A light source assembly |
DE102013203288A1 (en) * | 2012-10-29 | 2014-04-30 | Thomas Wedershoven | Method for calculating spectacle lens for eye of person, involves detecting data over eye and its refractive error, where detected data is included over non-orthogonal cornea astigmatism |
DE102013203288B4 (en) * | 2012-10-29 | 2016-10-27 | Thomas Wedershoven | Method for calculating and producing a spectacle lens for a refractive eye |
EP2778732A1 (en) * | 2013-03-11 | 2014-09-17 | Instytut Optyki Stosowanej | Refractive optical element having a convex helical surface for athermalizing an infrared imaging system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA982577A (en) | Diamino and dinitro-s-triazines | |
YU33051B (en) | Izboljsana izpusna naprava s tekocinskim dusenjem | |
CA919963A (en) | Mitt mirror | |
IL35561A0 (en) | Tracking apparatus and mirror assembly for use therein | |
CA928688A (en) | Lens | |
CA969411A (en) | Photographic element and process | |
AU3146271A (en) | Toilet mirror | |
ZA712983B (en) | Optical contact lenses and related devices | |
CA925732A (en) | Mirrors | |
GB1367889A (en) | Lenses and mirrors | |
GB1366326A (en) | Zoom lens | |
CA965288A (en) | Photographic element and process | |
CA31883S (en) | Mirror and frame therefor | |
ZA706902B (en) | Improvements in the mounting of mirrors | |
AU1226970A (en) | Mirror device | |
CA848809A (en) | Combination lamp and mirror | |
CA859438A (en) | Cameras and their components | |
CA848909A (en) | Photographic elements and methods | |
CA847261A (en) | Photographic element and process | |
CA979266A (en) | Photographic element and process | |
CA855163A (en) | Photographic element and process | |
CA850596A (en) | Photographic element and process | |
AU456298B2 (en) | Tapemeasure and rule | |
AU448948B2 (en) | Mirrors | |
CA850595A (en) | Enhanced and stable photographic images |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |