DD119481A1 - - Google Patents
Info
- Publication number
- DD119481A1 DD119481A1 DD184353A DD18435375A DD119481A1 DD 119481 A1 DD119481 A1 DD 119481A1 DD 184353 A DD184353 A DD 184353A DD 18435375 A DD18435375 A DD 18435375A DD 119481 A1 DD119481 A1 DD 119481A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/46—Systems using spatial filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95623—Inspecting patterns on the surface of objects using a spatial filtering method
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD184353A DD119481A1 (es) | 1975-02-24 | 1975-02-24 | |
| DE19752552263 DE2552263A1 (de) | 1975-02-24 | 1975-11-21 | Verfahren zum pruefen von strukturen |
| US05/646,198 US4158502A (en) | 1975-02-24 | 1976-01-02 | Device for testing structures |
| JP1857376A JPS51109852A (en) | 1975-02-24 | 1976-02-24 | Device for testing structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD184353A DD119481A1 (es) | 1975-02-24 | 1975-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD119481A1 true DD119481A1 (es) | 1976-04-20 |
Family
ID=5499271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD184353A DD119481A1 (es) | 1975-02-24 | 1975-02-24 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4158502A (es) |
| DD (1) | DD119481A1 (es) |
| DE (1) | DE2552263A1 (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4511219A (en) * | 1982-06-15 | 1985-04-16 | The United States Of America As Represented By The Secretary Of The Air Force | Kalman filter preprocessor |
| US5107351A (en) * | 1990-02-16 | 1992-04-21 | Grumman Aerospace Corporation | Image enhanced optical correlator system |
| JPH0588079A (ja) * | 1991-09-30 | 1993-04-09 | Matsushita Electric Ind Co Ltd | フ−リエ変換レンズおよび光情報処理装置 |
| IL107601A (en) * | 1992-12-21 | 1997-09-30 | Johnson & Johnson Vision Prod | Illumination and imaging subsystems for a lens inspection system |
| US5769227A (en) * | 1994-04-01 | 1998-06-23 | Insight, Inc. | Box container systems and display frames with two-dimensional multiple view optics |
| US5930033A (en) * | 1997-08-13 | 1999-07-27 | Marine Biological Labortory | Slit scan centrifuge microscope |
| US6246062B1 (en) | 1998-11-05 | 2001-06-12 | Johnson & Johnson Vision Care, Inc. | Missing lens detection system and method |
| SG87848A1 (en) | 1998-11-05 | 2002-04-16 | Johnson & Johnson Vision Prod | Missing lens detection system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3743423A (en) * | 1972-05-03 | 1973-07-03 | Westinghouse Electric Corp | Intensity spatial filter having uniformly spaced filter elements |
-
1975
- 1975-02-24 DD DD184353A patent/DD119481A1/xx unknown
- 1975-11-21 DE DE19752552263 patent/DE2552263A1/de not_active Withdrawn
-
1976
- 1976-01-02 US US05/646,198 patent/US4158502A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2552263A1 (de) | 1976-09-02 |
| US4158502A (en) | 1979-06-19 |