GB554024A - Improvements in or relating to optical systems comprising a correction element - Google Patents
Improvements in or relating to optical systems comprising a correction elementInfo
- Publication number
- GB554024A GB554024A GB37842A GB37842A GB554024A GB 554024 A GB554024 A GB 554024A GB 37842 A GB37842 A GB 37842A GB 37842 A GB37842 A GB 37842A GB 554024 A GB554024 A GB 554024A
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical systems
- relating
- correction element
- philips
- gloeilampenfabrieken
- 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
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0884—Catadioptric systems having a pupil corrector
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
554,024. Optical systems. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Jan. 9, 1942, No. 378. [Class 97 (i)] The subject-matter of this Specification is identical with that described in Specification 602,576. Reference has been directed by the Comptroller to Specification 546,307.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB37842A GB554024A (en) | 1942-01-09 | 1942-01-09 | Improvements in or relating to optical systems comprising a correction element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB37842A GB554024A (en) | 1942-01-09 | 1942-01-09 | Improvements in or relating to optical systems comprising a correction element |
Publications (1)
Publication Number | Publication Date |
---|---|
GB554024A true GB554024A (en) | 1943-06-16 |
Family
ID=9703360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB37842A Expired GB554024A (en) | 1942-01-09 | 1942-01-09 | Improvements in or relating to optical systems comprising a correction element |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB554024A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2448699A (en) * | 1945-10-16 | 1948-09-07 | Optische Ind De Oude Delft Nv | Schmidt type image former with negative meniscus lens spherical aberration corrector |
US2449345A (en) * | 1941-07-12 | 1948-09-14 | Hartford Nat Bank & Trust Co | Schmidt type optical system with opaque diaphragm |
US2492461A (en) * | 1941-07-07 | 1949-12-27 | Optische Ind De Oude Delft Nv | Corrected schmidt type optical system |
US2571657A (en) * | 1945-04-27 | 1951-10-16 | Eastman Kodak Co | Catadioptric lens system |
-
1942
- 1942-01-09 GB GB37842A patent/GB554024A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492461A (en) * | 1941-07-07 | 1949-12-27 | Optische Ind De Oude Delft Nv | Corrected schmidt type optical system |
US2449345A (en) * | 1941-07-12 | 1948-09-14 | Hartford Nat Bank & Trust Co | Schmidt type optical system with opaque diaphragm |
US2571657A (en) * | 1945-04-27 | 1951-10-16 | Eastman Kodak Co | Catadioptric lens system |
US2448699A (en) * | 1945-10-16 | 1948-09-07 | Optische Ind De Oude Delft Nv | Schmidt type image former with negative meniscus lens spherical aberration corrector |
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