CS180115B1 - Optical system - Google Patents
Optical systemInfo
- Publication number
- CS180115B1 CS180115B1 CS372572A CS372572A CS180115B1 CS 180115 B1 CS180115 B1 CS 180115B1 CS 372572 A CS372572 A CS 372572A CS 372572 A CS372572 A CS 372572A CS 180115 B1 CS180115 B1 CS 180115B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- optical system
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
- G01J1/4223—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for copy - or printing apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Projection-Type Copiers In General (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15575371 | 1971-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS180115B1 true CS180115B1 (en) | 1977-12-30 |
Family
ID=5483949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS372572A CS180115B1 (en) | 1971-06-14 | 1972-05-30 | Optical system |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT334203B (cs) |
| CS (1) | CS180115B1 (cs) |
| DE (1) | DE7211454U (cs) |
| FR (1) | FR2141652B3 (cs) |
-
1971
- 1971-12-14 FR FR7144933A patent/FR2141652B3/fr not_active Expired
-
1972
- 1972-03-25 DE DE19727211454 patent/DE7211454U/de not_active Expired
- 1972-04-05 AT AT291072A patent/AT334203B/de not_active IP Right Cessation
- 1972-05-30 CS CS372572A patent/CS180115B1/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT334203B (de) | 1976-01-10 |
| DE2147058B2 (de) | 1976-09-23 |
| DE7211454U (de) | 1972-07-27 |
| ATA291072A (de) | 1976-04-15 |
| DE2147058A1 (de) | 1972-12-28 |
| FR2141652A1 (cs) | 1973-01-26 |
| FR2141652B3 (cs) | 1974-08-23 |
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