NL7203798A - - Google Patents
Info
- Publication number
- NL7203798A NL7203798A NL7203798A NL7203798A NL7203798A NL 7203798 A NL7203798 A NL 7203798A NL 7203798 A NL7203798 A NL 7203798A NL 7203798 A NL7203798 A NL 7203798A NL 7203798 A NL7203798 A NL 7203798A
- Authority
- NL
- Netherlands
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
- G02B17/0852—Catadioptric systems having a field corrector only
-
- 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
- G02B17/0804—Catadioptric systems using two curved mirrors
- G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
-
- 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
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1214271A CH542454A (de) | 1971-08-18 | 1971-08-18 | Lichtstarkes katadioptrisches Objektiv |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7203798A true NL7203798A (en:Method) | 1973-02-20 |
| NL168625B NL168625B (nl) | 1981-11-16 |
| NL168625C NL168625C (nl) | 1982-04-16 |
Family
ID=4380283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7203798A NL168625C (nl) | 1971-08-18 | 1972-03-22 | Katadioptrisch objectief. |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT321611B (en:Method) |
| CH (1) | CH542454A (en:Method) |
| DE (1) | DE2211275C3 (en:Method) |
| NL (1) | NL168625C (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH624776A5 (en:Method) * | 1977-12-08 | 1981-08-14 | Kern & Co Ag | |
| CH654671A5 (de) * | 1980-06-26 | 1986-02-28 | Kern & Co Ag | Lichtstarkes katadioptrisches objektiv fuer waermestrahlung. |
| CH653446A5 (de) * | 1980-10-17 | 1985-12-31 | Ludvik Dr Canzek | Spiegellinsenobjektiv von hohem oeffnungsverhaeltnis. |
| US5287218A (en) * | 1992-04-07 | 1994-02-15 | Hughes Aircraft Company | Re-imaging optical system including refractive and diffractive optical elements |
-
1971
- 1971-08-18 CH CH1214271A patent/CH542454A/de not_active IP Right Cessation
-
1972
- 1972-03-09 DE DE19722211275 patent/DE2211275C3/de not_active Expired
- 1972-03-22 NL NL7203798A patent/NL168625C/xx not_active IP Right Cessation
- 1972-04-18 AT AT338872A patent/AT321611B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH542454A (de) | 1973-09-30 |
| NL168625C (nl) | 1982-04-16 |
| NL168625B (nl) | 1981-11-16 |
| DE2211275C3 (de) | 1974-08-08 |
| DE2211275B2 (en:Method) | 1974-01-10 |
| AT321611B (de) | 1975-04-10 |
| DE2211275A1 (de) | 1973-03-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| V1 | Lapsed because of non-payment of the annual fee |