NL7308914A - - Google Patents
Info
- Publication number
- NL7308914A NL7308914A NL7308914A NL7308914A NL7308914A NL 7308914 A NL7308914 A NL 7308914A NL 7308914 A NL7308914 A NL 7308914A NL 7308914 A NL7308914 A NL 7308914A NL 7308914 A NL7308914 A NL 7308914A
- Authority
- NL
- Netherlands
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722232359 DE2232359A1 (de) | 1972-07-01 | 1972-07-01 | Verfahren zur bildverbesserung durch entfaltung mit hilfe mehrerer inverser filter komplementaerer aperturen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7308914A true NL7308914A (no) | 1974-01-03 |
Family
ID=5849389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7308914A NL7308914A (no) | 1972-07-01 | 1973-06-27 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4953854A (no) |
| BE (1) | BE801745A (no) |
| CA (1) | CA1004891A (no) |
| DE (1) | DE2232359A1 (no) |
| FR (1) | FR2191142B1 (no) |
| GB (1) | GB1438167A (no) |
| IT (1) | IT990828B (no) |
| NL (1) | NL7308914A (no) |
-
1972
- 1972-07-01 DE DE19722232359 patent/DE2232359A1/de active Pending
-
1973
- 1973-06-26 CA CA175,381A patent/CA1004891A/en not_active Expired
- 1973-06-27 NL NL7308914A patent/NL7308914A/xx unknown
- 1973-06-28 GB GB3081473A patent/GB1438167A/en not_active Expired
- 1973-06-28 FR FR7323636A patent/FR2191142B1/fr not_active Expired
- 1973-06-28 IT IT2604273A patent/IT990828B/it active
- 1973-06-28 JP JP7233073A patent/JPS4953854A/ja active Pending
- 1973-06-29 BE BE132985A patent/BE801745A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2232359A1 (de) | 1974-01-03 |
| IT990828B (it) | 1975-07-10 |
| BE801745A (fr) | 1974-01-02 |
| CA1004891A (en) | 1977-02-08 |
| GB1438167A (en) | 1976-06-03 |
| JPS4953854A (no) | 1974-05-25 |
| FR2191142B1 (no) | 1976-06-18 |
| FR2191142A1 (no) | 1974-02-01 |