FR2377608B1 - - Google Patents
Info
- Publication number
- FR2377608B1 FR2377608B1 FR7701160A FR7701160A FR2377608B1 FR 2377608 B1 FR2377608 B1 FR 2377608B1 FR 7701160 A FR7701160 A FR 7701160A FR 7701160 A FR7701160 A FR 7701160A FR 2377608 B1 FR2377608 B1 FR 2377608B1
- Authority
- FR
- France
- 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
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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7701160A FR2377608A1 (fr) | 1977-01-17 | 1977-01-17 | Procede et appareil pour la mesure de standards de longueur |
| US05/839,903 US4197010A (en) | 1977-01-17 | 1977-10-06 | Length standard comparison method and apparatus utilizing holographic interferrometry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7701160A FR2377608A1 (fr) | 1977-01-17 | 1977-01-17 | Procede et appareil pour la mesure de standards de longueur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2377608A1 FR2377608A1 (fr) | 1978-08-11 |
| FR2377608B1 true FR2377608B1 (US08118993-20120221-C00002.png) | 1982-04-02 |
Family
ID=9185545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7701160A Granted FR2377608A1 (fr) | 1977-01-17 | 1977-01-17 | Procede et appareil pour la mesure de standards de longueur |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4197010A (US08118993-20120221-C00002.png) |
| FR (1) | FR2377608A1 (US08118993-20120221-C00002.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2557911B2 (ja) * | 1987-10-30 | 1996-11-27 | 大阪精密機械 株式会社 | 被検面の形状誤差の光学的検出装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3592548A (en) * | 1969-01-22 | 1971-07-13 | Gen Motors Corp | Holographic method of dimensional inspection |
| US3721498A (en) * | 1969-06-16 | 1973-03-20 | Kollsman Instr Corp | Synthesized hologram for an artifical optical template |
| US3938889A (en) * | 1974-06-04 | 1976-02-17 | The United States Of America As Represented By The Secretary Of The Air Force | Method and apparatus for measuring linear thermal expansion of polymeric material |
-
1977
- 1977-01-17 FR FR7701160A patent/FR2377608A1/fr active Granted
- 1977-10-06 US US05/839,903 patent/US4197010A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4197010A (en) | 1980-04-08 |
| FR2377608A1 (fr) | 1978-08-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |