GB2279154B - Optical viewing apparatus - Google Patents
Optical viewing apparatusInfo
- Publication number
- GB2279154B GB2279154B GB8918633A GB8918633A GB2279154B GB 2279154 B GB2279154 B GB 2279154B GB 8918633 A GB8918633 A GB 8918633A GB 8918633 A GB8918633 A GB 8918633A GB 2279154 B GB2279154 B GB 2279154B
- Authority
- GB
- United Kingdom
- Prior art keywords
- viewing apparatus
- optical viewing
- optical
- viewing
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
-
- 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
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8918633A GB2279154B (en) | 1989-08-15 | 1989-08-15 | Optical viewing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8918633A GB2279154B (en) | 1989-08-15 | 1989-08-15 | Optical viewing apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8918633D0 GB8918633D0 (en) | 1994-09-21 |
GB2279154A GB2279154A (en) | 1994-12-21 |
GB2279154B true GB2279154B (en) | 1995-06-28 |
Family
ID=10661675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8918633A Expired - Fee Related GB2279154B (en) | 1989-08-15 | 1989-08-15 | Optical viewing apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2279154B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE534659C2 (en) * | 2010-06-29 | 2011-11-08 | Flir Systems Ab | Device for uniforming of equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2178863A (en) * | 1985-08-06 | 1987-02-18 | Ferranti Plc | Optical viewing apparatus |
-
1989
- 1989-08-15 GB GB8918633A patent/GB2279154B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2178863A (en) * | 1985-08-06 | 1987-02-18 | Ferranti Plc | Optical viewing apparatus |
Also Published As
Publication number | Publication date |
---|---|
GB2279154A (en) | 1994-12-21 |
GB8918633D0 (en) | 1994-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20010815 |