GB396390A - - Google Patents
Info
- Publication number
- GB396390A GB396390A GB396390DA GB396390A GB 396390 A GB396390 A GB 396390A GB 396390D A GB396390D A GB 396390DA GB 396390 A GB396390 A GB 396390A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- lens
- scattered
- cambridge
- focus
- 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.)
- Active
Links
- 239000002245 particle Substances 0.000 abstract 3
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB396390A true GB396390A (https=) |
Family
ID=1745613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB396390D Active GB396390A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB396390A (https=) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2721495A (en) * | 1952-03-06 | 1955-10-25 | Gen Electric | Method and apparatus for detecting minute crystal forming particles suspended in a gaseous atmosphere |
| US2731874A (en) * | 1953-06-22 | 1956-01-24 | Smoke detecting apparatus | |
| US2760417A (en) * | 1953-01-21 | 1956-08-28 | Jr Clande Laval | Submersible photographic apparatus |
| US2769365A (en) * | 1949-08-22 | 1956-11-06 | Loeschcke Hans | Counting device for microscopic particles |
| US2788702A (en) * | 1951-09-24 | 1957-04-16 | Leeds & Northrup Co | Measurement of light scattering |
| US2812686A (en) * | 1953-12-22 | 1957-11-12 | Johns Manville | Smoke photometer |
| US2816479A (en) * | 1954-07-06 | 1957-12-17 | Du Pont | Particle measurement |
| US3361030A (en) * | 1961-09-21 | 1968-01-02 | Leonard J. Goldberg | System and method for detecting small particles |
| US3597087A (en) * | 1968-12-31 | 1971-08-03 | Ball Brothers Res Corp | Sample degradation determining method and apparatus |
| US5024527A (en) * | 1986-02-12 | 1991-06-18 | British Aerospace Public Limited Company | Method and apparatus for remote position sensing using edge diffraction |
-
0
- GB GB396390D patent/GB396390A/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2769365A (en) * | 1949-08-22 | 1956-11-06 | Loeschcke Hans | Counting device for microscopic particles |
| US2788702A (en) * | 1951-09-24 | 1957-04-16 | Leeds & Northrup Co | Measurement of light scattering |
| US2721495A (en) * | 1952-03-06 | 1955-10-25 | Gen Electric | Method and apparatus for detecting minute crystal forming particles suspended in a gaseous atmosphere |
| US2760417A (en) * | 1953-01-21 | 1956-08-28 | Jr Clande Laval | Submersible photographic apparatus |
| US2731874A (en) * | 1953-06-22 | 1956-01-24 | Smoke detecting apparatus | |
| US2812686A (en) * | 1953-12-22 | 1957-11-12 | Johns Manville | Smoke photometer |
| US2816479A (en) * | 1954-07-06 | 1957-12-17 | Du Pont | Particle measurement |
| US3361030A (en) * | 1961-09-21 | 1968-01-02 | Leonard J. Goldberg | System and method for detecting small particles |
| US3597087A (en) * | 1968-12-31 | 1971-08-03 | Ball Brothers Res Corp | Sample degradation determining method and apparatus |
| US5024527A (en) * | 1986-02-12 | 1991-06-18 | British Aerospace Public Limited Company | Method and apparatus for remote position sensing using edge diffraction |
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