NL6705200A - - Google Patents
Info
- Publication number
- NL6705200A NL6705200A NL6705200A NL6705200A NL6705200A NL 6705200 A NL6705200 A NL 6705200A NL 6705200 A NL6705200 A NL 6705200A NL 6705200 A NL6705200 A NL 6705200A NL 6705200 A NL6705200 A NL 6705200A
- Authority
- NL
- Netherlands
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
-
- 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
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02075—Reduction or prevention of errors; Testing; Calibration of particular errors
- G01B9/02078—Caused by ambiguity
- G01B9/02079—Quadrature detection, i.e. detecting relatively phase-shifted signals
- G01B9/02081—Quadrature detection, i.e. detecting relatively phase-shifted signals simultaneous quadrature detection, e.g. by spatial phase shifting
-
- 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
- G01B9/02083—Interferometers characterised by particular signal processing and presentation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH189067A CH468750A (de) | 1967-02-08 | 1967-02-08 | Verfahren und Einrichtung zur angenähert proportionalen Untersetzung von Impulsreihen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6705200A true NL6705200A (de) | 1968-08-09 |
Family
ID=4220990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6705200A NL6705200A (de) | 1967-02-08 | 1967-04-13 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT295875B (de) |
| CH (1) | CH468750A (de) |
| FR (1) | FR1554214A (de) |
| GB (1) | GB1197673A (de) |
| NL (1) | NL6705200A (de) |
| SE (1) | SE330265B (de) |
-
1967
- 1967-02-08 CH CH189067A patent/CH468750A/de unknown
- 1967-04-13 NL NL6705200A patent/NL6705200A/xx unknown
-
1968
- 1968-01-17 AT AT48168A patent/AT295875B/de not_active IP Right Cessation
- 1968-02-06 FR FR1554214D patent/FR1554214A/fr not_active Expired
- 1968-02-06 GB GB592968A patent/GB1197673A/en not_active Expired
- 1968-02-06 SE SE155368A patent/SE330265B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE330265B (de) | 1970-11-09 |
| AT295875B (de) | 1972-01-25 |
| FR1554214A (de) | 1969-01-17 |
| GB1197673A (en) | 1970-07-08 |
| CH468750A (de) | 1969-02-15 |