CH647866A5 - Messsonde zur dichtemessung in der mattscheibenebene einer reproduktionskamera. - Google Patents
Messsonde zur dichtemessung in der mattscheibenebene einer reproduktionskamera. Download PDFInfo
- Publication number
- CH647866A5 CH647866A5 CH4743/80A CH474380A CH647866A5 CH 647866 A5 CH647866 A5 CH 647866A5 CH 4743/80 A CH4743/80 A CH 4743/80A CH 474380 A CH474380 A CH 474380A CH 647866 A5 CH647866 A5 CH 647866A5
- Authority
- CH
- Switzerland
- Prior art keywords
- measuring
- measuring probe
- housing
- optical system
- probe according
- Prior art date
Links
- 238000001739 density measurement Methods 0.000 title claims description 6
- 239000000523 sample Substances 0.000 claims description 42
- 230000003287 optical effect Effects 0.000 claims description 27
- 238000005259 measurement Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000004075 alteration Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/725—Optical projection devices wherein the contrast is controlled electrically (e.g. cathode ray tube masking)
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/09908—Arrangement of photoelectric elements in or on the camera on the camera or in the objective
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2925188A DE2925188C2 (de) | 1979-06-22 | 1979-06-22 | Meßsonde zur Dichtemessung von Bildvorlagen |
DE19792943474 DE2943474C2 (de) | 1979-06-22 | 1979-10-27 | Meßsonde |
Publications (1)
Publication Number | Publication Date |
---|---|
CH647866A5 true CH647866A5 (de) | 1985-02-15 |
Family
ID=25779621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH4743/80A CH647866A5 (de) | 1979-06-22 | 1980-06-20 | Messsonde zur dichtemessung in der mattscheibenebene einer reproduktionskamera. |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH647866A5 (el) |
DE (1) | DE2943474C2 (el) |
DK (1) | DK259480A (el) |
GB (1) | GB2062894B (el) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3723701A1 (de) * | 1987-07-17 | 1989-02-02 | Krzyminski Harald | Handmessgeraet zur optischen reflexionsmessung |
-
1979
- 1979-10-27 DE DE19792943474 patent/DE2943474C2/de not_active Expired
-
1980
- 1980-06-18 DK DK259480A patent/DK259480A/da not_active Application Discontinuation
- 1980-06-20 CH CH4743/80A patent/CH647866A5/de not_active IP Right Cessation
- 1980-06-23 GB GB8020523A patent/GB2062894B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2062894B (en) | 1984-03-07 |
DE2943474C2 (de) | 1987-04-23 |
DK259480A (da) | 1980-12-23 |
DE2943474A1 (de) | 1981-05-21 |
GB2062894A (en) | 1981-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |