GB1313416A - Device for determining the influence of atmospheric refraction - Google Patents
Device for determining the influence of atmospheric refractionInfo
- Publication number
- GB1313416A GB1313416A GB1313416DA GB1313416A GB 1313416 A GB1313416 A GB 1313416A GB 1313416D A GB1313416D A GB 1313416DA GB 1313416 A GB1313416 A GB 1313416A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- photo
- transmitter
- light
- refraction
- 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
- 230000003287 optical effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/4133—Refractometers, e.g. differential
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
1313416 Surveying; photo-electric refraction measuring CARL ZEISS JENA VEB 22 May 1970 24821/70 Headings G1A and G1F [Also in Division G2] Apparatus for determining the influence of atmospheric refraction on a reference line comprises a light transmitter 2 spaced from a reflector 7, the reflector 7 being tiltably adjustable to reflect light to a detector 4 so that from the adjustment of the reflector 7 refraction errors can be determined. The reflector 7 may comprise a mirror or prism arranged in a pivoted framework to be tiltable about two perpendicular axes of which at least one axis is perpendicular to the optical axis of a light beam from the transmitter. The transmitter may be a laser device and provided with prisms 10 to 13 and photo-electric devices 15 to 18 for sensing light reflected from the reflector, the photo-electric devices being so spaced and arranged that electric signals are transmitted to automatically adjust the reflector 7 when any inbalance occurs in the light received by the photo-electric devices 15 to 18.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2482170 | 1970-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1313416A true GB1313416A (en) | 1973-04-11 |
Family
ID=10217760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1313416D Expired GB1313416A (en) | 1970-05-22 | 1970-05-22 | Device for determining the influence of atmospheric refraction |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1313416A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117511A (en) * | 1982-02-19 | 1983-10-12 | Dr Paul Derek Cook | Laser beam alignment detection |
| GB2161599A (en) * | 1984-07-14 | 1986-01-15 | Richard Ian Emmess | Alignment device for tools |
-
1970
- 1970-05-22 GB GB1313416D patent/GB1313416A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117511A (en) * | 1982-02-19 | 1983-10-12 | Dr Paul Derek Cook | Laser beam alignment detection |
| GB2161599A (en) * | 1984-07-14 | 1986-01-15 | Richard Ian Emmess | Alignment device for tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |