JPS5283247A - Optically comparing method and device - Google Patents
Optically comparing method and deviceInfo
- Publication number
- JPS5283247A JPS5283247A JP15610476A JP15610476A JPS5283247A JP S5283247 A JPS5283247 A JP S5283247A JP 15610476 A JP15610476 A JP 15610476A JP 15610476 A JP15610476 A JP 15610476A JP S5283247 A JPS5283247 A JP S5283247A
- Authority
- JP
- Japan
- Prior art keywords
- comparing method
- optically comparing
- optically
- comparing
- 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.)
- 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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Image Analysis (AREA)
- Microscoopes, Condenser (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7539971A FR2337329A1 (en) | 1975-12-29 | 1975-12-29 | Optical comparator for spatial coordinates - projects two grid patterns on surface of tested object from optical systems fixed w.r.t. reference point |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5283247A true JPS5283247A (en) | 1977-07-12 |
Family
ID=9164259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15610476A Pending JPS5283247A (en) | 1975-12-29 | 1976-12-24 | Optically comparing method and device |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5283247A (en) |
DD (1) | DD127764A5 (en) |
DE (1) | DE2648772A1 (en) |
FR (1) | FR2337329A1 (en) |
SU (1) | SU677683A3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0771934A (en) * | 1992-01-15 | 1995-03-17 | Euclid Medical Instr Inc | Device that determines curved surface state of face |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2491614A1 (en) * | 1980-10-08 | 1982-04-09 | Couturier Alain | METHOD FOR POSITIONING REFERENCE POINTS ON AN ADJUSTABLE TEMPLATE |
JPS5875531A (en) * | 1981-10-28 | 1983-05-07 | 株式会社トプコン | Apparatus for measuring curvature |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5256558A (en) * | 1975-11-04 | 1977-05-10 | Nippon Telegr & Teleph Corp <Ntt> | Three-dimentional object measuring system |
-
1975
- 1975-12-29 FR FR7539971A patent/FR2337329A1/en active Granted
-
1976
- 1976-10-27 DE DE19762648772 patent/DE2648772A1/en not_active Withdrawn
- 1976-12-16 SU SU762428504A patent/SU677683A3/en active
- 1976-12-24 JP JP15610476A patent/JPS5283247A/en active Pending
- 1976-12-28 DD DD19665976A patent/DD127764A5/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5256558A (en) * | 1975-11-04 | 1977-05-10 | Nippon Telegr & Teleph Corp <Ntt> | Three-dimentional object measuring system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0771934A (en) * | 1992-01-15 | 1995-03-17 | Euclid Medical Instr Inc | Device that determines curved surface state of face |
Also Published As
Publication number | Publication date |
---|---|
SU677683A3 (en) | 1979-07-30 |
FR2337329B1 (en) | 1978-07-28 |
DD127764A5 (en) | 1977-10-12 |
DE2648772A1 (en) | 1977-07-14 |
FR2337329A1 (en) | 1977-07-29 |
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