GB1324351A - Surveilling apparatus responsive to electromagnetic radiation - Google Patents
Surveilling apparatus responsive to electromagnetic radiationInfo
- Publication number
- GB1324351A GB1324351A GB1324351DA GB1324351A GB 1324351 A GB1324351 A GB 1324351A GB 1324351D A GB1324351D A GB 1324351DA GB 1324351 A GB1324351 A GB 1324351A
- Authority
- GB
- United Kingdom
- Prior art keywords
- image
- disc
- paths
- apparatus responsive
- curvature
- 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
- 230000005670 electromagnetic radiation Effects 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 2
- 230000005499 meniscus Effects 0.000 abstract 1
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
- H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector
- H04N3/09—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector for electromagnetic radiation in the invisible region, e.g. infrared
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Radiation Pyrometers (AREA)
Abstract
1324351 Optical apparatus BARR & STROUD Ltd 21 Sept 1967 [30 Dec 1966] 58322/66 Heading G2J Apparatus responsive to electro-magnetic radiation, particularly infra-red, comprises a part-spherical reflecting means 1 including an objective mirror 7 and correcting meniscus elements 8 which receive an infra-red signal 2 and form a part-spherical image I. Arranged on the centre of curvature C of the mirror 7 and image I is the shaft 9 of a disc 4 having a radius R equal to the radius of curvature of the image I. The disc has three radiation transmission paths 10, 11, 12 connected to a radiation transmission path 13 extending along the shaft 9 to a radiometer 6, each of these paths being formed by optical fibres. An arcuate shield extends for 240 degrees around the disc 4 so that as the latter is rotated the image I is scanned through 120 degrees by the three paths 10, 11, 12 in succession.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5832266 | 1966-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1324351A true GB1324351A (en) | 1973-07-25 |
Family
ID=10481321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1324351D Expired GB1324351A (en) | 1966-12-30 | 1966-12-30 | Surveilling apparatus responsive to electromagnetic radiation |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1605271A (en) |
GB (1) | GB1324351A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4950056A (en) * | 1987-11-27 | 1990-08-21 | Gec-Marconi Limited | Optical system |
-
1966
- 1966-12-30 GB GB1324351D patent/GB1324351A/en not_active Expired
-
1967
- 1967-12-29 FR FR134318A patent/FR1605271A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4950056A (en) * | 1987-11-27 | 1990-08-21 | Gec-Marconi Limited | Optical system |
Also Published As
Publication number | Publication date |
---|---|
FR1605271A (en) | 1974-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |