GB948910A - Improvements relating to optical viewing instruments - Google Patents
Improvements relating to optical viewing instrumentsInfo
- Publication number
- GB948910A GB948910A GB3281456A GB3281456A GB948910A GB 948910 A GB948910 A GB 948910A GB 3281456 A GB3281456 A GB 3281456A GB 3281456 A GB3281456 A GB 3281456A GB 948910 A GB948910 A GB 948910A
- Authority
- GB
- United Kingdom
- Prior art keywords
- telescope system
- casing
- prism
- carrier
- telescope
- 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
- 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
- G02B23/08—Periscopes
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Abstract
948,910. Periscopes. BARR & STROUD Ltd. Oct. 27, 1956,: No. 32814/56. Heading G2J. To obviate movement of the transmitted image by the bending of a periscope or other instrument having a telescope system within a casing 6, the telescope system is carried by a rigid carrier 13 mounted within the casing 6 and is non-inverting and has a magnification of unity. The carrier 6 is supported on two sets of domed feet 14 and located by a pin 17. The telescope system may comprise two telescopes 7, 11, 8 and 9, 12, 10 Fig. 2 or one telescope 39, 41, 40 and a prism 42, Fig. 5, but must overall be non-inverting and have a magnification of unity. In a further modification, Fig. 6, the entrance prism 23 is mounted on the carrier so that as the casing bends it is rocked by wires 30 secured to fixed abutments 31. In this example the telescope system on the rigid carrier comprises lenses 39, 41, 40, and prism 50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3281456A GB948910A (en) | 1956-10-27 | 1956-10-27 | Improvements relating to optical viewing instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3281456A GB948910A (en) | 1956-10-27 | 1956-10-27 | Improvements relating to optical viewing instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB948910A true GB948910A (en) | 1964-02-05 |
Family
ID=10344400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3281456A Expired GB948910A (en) | 1956-10-27 | 1956-10-27 | Improvements relating to optical viewing instruments |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB948910A (en) |
-
1956
- 1956-10-27 GB GB3281456A patent/GB948910A/en not_active Expired
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