JPS49131457A - - Google Patents
Info
- Publication number
- JPS49131457A JPS49131457A JP7797873A JP7797873A JPS49131457A JP S49131457 A JPS49131457 A JP S49131457A JP 7797873 A JP7797873 A JP 7797873A JP 7797873 A JP7797873 A JP 7797873A JP S49131457 A JPS49131457 A JP S49131457A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34989173A | 1973-04-10 | 1973-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS49131457A true JPS49131457A (ja) | 1974-12-17 |
Family
ID=23374402
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7797873A Pending JPS49131457A (ja) | 1973-04-10 | 1973-07-12 | |
| JP1861080A Granted JPS55146004A (en) | 1973-04-10 | 1980-02-19 | Method and device for observing interference due to small displacement |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1861080A Granted JPS55146004A (en) | 1973-04-10 | 1980-02-19 | Method and device for observing interference due to small displacement |
Country Status (8)
| Country | Link |
|---|---|
| JP (2) | JPS49131457A (ja) |
| BE (1) | BE801207R (ja) |
| CA (1) | CA981899A (ja) |
| CH (1) | CH563011A5 (ja) |
| DE (1) | DE2341764A1 (ja) |
| GB (1) | GB1422180A (ja) |
| IT (1) | IT1046260B (ja) |
| NL (1) | NL7311772A (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024167A3 (en) * | 1979-08-07 | 1982-08-04 | Rolls-Royce Plc | Method and apparatus for speckle pattern interferometric determination of point displacements |
| GB2239716B (en) * | 1989-12-22 | 1994-04-27 | Marks Spencer Plc | Assessment of surface characteristics |
-
1973
- 1973-06-20 CH CH893473A patent/CH563011A5/xx not_active IP Right Cessation
- 1973-06-21 GB GB2962573A patent/GB1422180A/en not_active Expired
- 1973-06-21 BE BE1005179A patent/BE801207R/xx not_active IP Right Cessation
- 1973-06-21 CA CA174,595A patent/CA981899A/en not_active Expired
- 1973-07-09 IT IT6904273A patent/IT1046260B/it active
- 1973-07-12 JP JP7797873A patent/JPS49131457A/ja active Pending
- 1973-08-17 DE DE19732341764 patent/DE2341764A1/de active Pending
- 1973-08-27 NL NL7311772A patent/NL7311772A/xx not_active Application Discontinuation
-
1980
- 1980-02-19 JP JP1861080A patent/JPS55146004A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT1046260B (it) | 1980-06-30 |
| JPS55146004A (en) | 1980-11-14 |
| NL7311772A (ja) | 1974-10-14 |
| CH563011A5 (ja) | 1975-06-13 |
| JPS5710361B2 (ja) | 1982-02-26 |
| BE801207R (fr) | 1973-12-21 |
| CA981899A (en) | 1976-01-20 |
| DE2341764A1 (de) | 1974-10-24 |
| GB1422180A (en) | 1976-01-21 |