DD95291A1 - - Google Patents
Info
- Publication number
- DD95291A1 DD95291A1 DD161563A DD16156372A DD95291A1 DD 95291 A1 DD95291 A1 DD 95291A1 DD 161563 A DD161563 A DD 161563A DD 16156372 A DD16156372 A DD 16156372A DD 95291 A1 DD95291 A1 DD 95291A1
- 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
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Image Analysis (AREA)
- Character Discrimination (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD161563A DD95291A1 (enExample) | 1972-03-16 | 1972-03-16 | |
| FR7230737A FR2175719B1 (enExample) | 1972-03-16 | 1972-08-30 | |
| DE2304232A DE2304232A1 (de) | 1972-03-16 | 1973-01-29 | Optisches filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD161563A DD95291A1 (enExample) | 1972-03-16 | 1972-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD95291A1 true DD95291A1 (enExample) | 1973-01-22 |
Family
ID=5485748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD161563A DD95291A1 (enExample) | 1972-03-16 | 1972-03-16 |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD95291A1 (enExample) |
| DE (1) | DE2304232A1 (enExample) |
| FR (1) | FR2175719B1 (enExample) |
-
1972
- 1972-03-16 DD DD161563A patent/DD95291A1/xx unknown
- 1972-08-30 FR FR7230737A patent/FR2175719B1/fr not_active Expired
-
1973
- 1973-01-29 DE DE2304232A patent/DE2304232A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2304232A1 (de) | 1973-09-27 |
| FR2175719B1 (enExample) | 1976-08-13 |
| FR2175719A1 (enExample) | 1973-10-26 |