NL7207922A - - Google Patents
Info
- Publication number
- NL7207922A NL7207922A NL7207922A NL7207922A NL7207922A NL 7207922 A NL7207922 A NL 7207922A NL 7207922 A NL7207922 A NL 7207922A NL 7207922 A NL7207922 A NL 7207922A NL 7207922 A NL7207922 A NL 7207922A
- 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
- G02B17/0884—Catadioptric systems having a pupil corrector
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- 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
- G02B17/0852—Catadioptric systems having a field corrector only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1979271A GB1388546A (en) | 1971-06-09 | 1971-06-09 | Lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7207922A true NL7207922A (en) | 1972-12-12 |
Family
ID=10135300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7207922A NL7207922A (en) | 1971-06-09 | 1972-06-09 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE784607A (en) |
DE (1) | DE2228236C3 (en) |
GB (1) | GB1388546A (en) |
IL (1) | IL39646A (en) |
NL (1) | NL7207922A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987006718A1 (en) * | 1986-04-21 | 1987-11-05 | The University Of Tasmania | Laser ignition device |
DE10301633A1 (en) * | 2003-01-17 | 2004-07-29 | Daimlerchrysler Ag | Catadioptric camera for performing distance surveillance/monitoring of motor vehicles in front has lenses and curved mirror surfaces to act as image-transmitting elements |
DE102005047488A1 (en) * | 2005-10-04 | 2007-04-05 | Noctron S.A.R.L. | Lens e.g. for night-vision device has front lens group and rear lens group whereby diameters of lenses of rear lens group constantly increases in backward direction |
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1971
- 1971-06-09 GB GB1979271A patent/GB1388546A/en not_active Expired
-
1972
- 1972-06-08 IL IL39646A patent/IL39646A/en unknown
- 1972-06-08 BE BE784607A patent/BE784607A/en not_active IP Right Cessation
- 1972-06-09 NL NL7207922A patent/NL7207922A/xx not_active Application Discontinuation
- 1972-06-09 DE DE2228236A patent/DE2228236C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IL39646A (en) | 1975-06-25 |
DE2228236C3 (en) | 1981-10-15 |
IL39646A0 (en) | 1972-08-30 |
DE2228236B2 (en) | 1981-01-08 |
BE784607A (en) | 1972-10-02 |
GB1388546A (en) | 1975-03-26 |
DE2228236A1 (en) | 1972-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |