GB1201664A - A method of detecting and/or measuring the displacement or deformation of an object - Google Patents
A method of detecting and/or measuring the displacement or deformation of an objectInfo
- Publication number
- GB1201664A GB1201664A GB418368A GB418368A GB1201664A GB 1201664 A GB1201664 A GB 1201664A GB 418368 A GB418368 A GB 418368A GB 418368 A GB418368 A GB 418368A GB 1201664 A GB1201664 A GB 1201664A
- Authority
- GB
- United Kingdom
- Prior art keywords
- holograms
- reference mark
- fixed reference
- hologram
- making
- 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
- 238000006073 displacement reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000001828 Gelatine Substances 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 238000001093 holography Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/021—Interferometers using holographic techniques
Abstract
1,201,664. 664. Holography. COMPAGNIE GENERALE D'ELECTRICITE. Jan.26, 1968 [Jan.26, 1967], No.4183/68. Heading G2J. Deformation or movement of an object, such as a dam, with time, is determined by making a hologram, from a fixed point, of the object and a fixed reference mark, and at a later time making a second hologram of the object and the fixed reference mark and comparing the two holograms. The fixed reference mark allows account to be taken of variations in the frequency of the laser used for making and reconstructing the holograms or variations due to distortion of the gelatine in the holograms. The reconstruction may be on a different scale from that of the original and observations made by a lens system such as a microscope or telescope. For rapid evaluation of approximate movement, a series of holograms may be made initially of the object and the fixed reference mark with the latter in a series of adjacent positions e.g. separated by one millimetre steps, and the hologram made at the later time is compared with each in turn of the initial holograms to determine to which one it approximates.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR92667A FR1518779A (en) | 1967-01-26 | 1967-01-26 | Control of displacement or deformation of objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1201664A true GB1201664A (en) | 1970-08-12 |
Family
ID=8624427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB418368A Expired GB1201664A (en) | 1967-01-26 | 1968-01-26 | A method of detecting and/or measuring the displacement or deformation of an object |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE709141A (en) |
| CH (1) | CH469968A (en) |
| FR (1) | FR1518779A (en) |
| GB (1) | GB1201664A (en) |
| LU (1) | LU55274A1 (en) |
| NL (1) | NL6801110A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2194353A (en) * | 1986-08-04 | 1988-03-02 | Hugle William Bell | Holographic positional detection of objects |
| WO2004025567A2 (en) * | 2002-09-12 | 2004-03-25 | Nline Corporation | System and method for acquiring and processing complex images |
| CN100402979C (en) * | 2004-01-17 | 2008-07-16 | 湖北清江水布垭工程建设公司 | Pipeline for monitoring dam panel deflection or internal deformation of dam-body |
-
1967
- 1967-01-26 FR FR92667A patent/FR1518779A/en not_active Expired
-
1968
- 1968-01-05 CH CH15968A patent/CH469968A/en unknown
- 1968-01-10 BE BE709141D patent/BE709141A/xx unknown
- 1968-01-15 LU LU55274D patent/LU55274A1/xx unknown
- 1968-01-25 NL NL6801110A patent/NL6801110A/xx unknown
- 1968-01-26 GB GB418368A patent/GB1201664A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2194353A (en) * | 1986-08-04 | 1988-03-02 | Hugle William Bell | Holographic positional detection of objects |
| GB2194353B (en) * | 1986-08-04 | 1990-02-21 | Hugle William Bell | The method of and apparatus for the holographic positional detection of objects |
| WO2004025567A2 (en) * | 2002-09-12 | 2004-03-25 | Nline Corporation | System and method for acquiring and processing complex images |
| WO2004025567A3 (en) * | 2002-09-12 | 2004-06-24 | Nline Corp | System and method for acquiring and processing complex images |
| CN100402979C (en) * | 2004-01-17 | 2008-07-16 | 湖北清江水布垭工程建设公司 | Pipeline for monitoring dam panel deflection or internal deformation of dam-body |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6801110A (en) | 1968-07-29 |
| LU55274A1 (en) | 1969-08-12 |
| FR1518779A (en) | 1968-03-29 |
| BE709141A (en) | 1968-07-10 |
| CH469968A (en) | 1969-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |