CS175826B1 - - Google Patents
Info
- Publication number
- CS175826B1 CS175826B1 CS845274A CS845274A CS175826B1 CS 175826 B1 CS175826 B1 CS 175826B1 CS 845274 A CS845274 A CS 845274A CS 845274 A CS845274 A CS 845274A CS 175826 B1 CS175826 B1 CS 175826B1
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/008—Systems specially adapted to form image relays or chained systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Telescopes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17531273A DD108832A1 (cs) | 1973-12-13 | 1973-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS175826B1 true CS175826B1 (cs) | 1977-05-31 |
Family
ID=5493864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS845274A CS175826B1 (cs) | 1973-12-13 | 1974-12-11 |
Country Status (4)
| Country | Link |
|---|---|
| CS (1) | CS175826B1 (cs) |
| DD (1) | DD108832A1 (cs) |
| GB (1) | GB1474587A (cs) |
| SU (1) | SU645113A1 (cs) |
-
1973
- 1973-12-13 DD DD17531273A patent/DD108832A1/xx unknown
-
1974
- 1974-12-05 GB GB5259274A patent/GB1474587A/en not_active Expired
- 1974-12-11 CS CS845274A patent/CS175826B1/cs unknown
- 1974-12-12 SU SU742082381A patent/SU645113A1/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1474587A (en) | 1977-05-25 |
| SU645113A1 (ru) | 1979-01-30 |
| DD108832A1 (cs) | 1974-10-05 |