BE694167A - - Google Patents
Info
- Publication number
- BE694167A BE694167A BE694167DA BE694167A BE 694167 A BE694167 A BE 694167A BE 694167D A BE694167D A BE 694167DA BE 694167 A BE694167 A BE 694167A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR50344A FR1506287A (fr) | 1966-02-19 | 1966-02-19 | Nouveau dispositif de filtrage optique par diffraction de lumière cohérente |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE694167A true BE694167A (de) | 1967-08-16 |
Family
ID=8601830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE694167D BE694167A (de) | 1966-02-19 | 1967-02-16 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE694167A (de) |
| FR (1) | FR1506287A (de) |
| GB (1) | GB1168698A (de) |
-
1966
- 1966-02-19 FR FR50344A patent/FR1506287A/fr not_active Expired
-
1967
- 1967-02-16 BE BE694167D patent/BE694167A/xx unknown
- 1967-02-17 GB GB775767A patent/GB1168698A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1506287A (fr) | 1967-12-22 |
| GB1168698A (en) | 1969-10-29 |