FR2485757A1 - Procede pour regler une duree d'exposition photographique pour tenir compte du defaut d'application de la loi de reciprocite d'un support photosensible - Google Patents
Procede pour regler une duree d'exposition photographique pour tenir compte du defaut d'application de la loi de reciprocite d'un support photosensible Download PDFInfo
- Publication number
- FR2485757A1 FR2485757A1 FR8112657A FR8112657A FR2485757A1 FR 2485757 A1 FR2485757 A1 FR 2485757A1 FR 8112657 A FR8112657 A FR 8112657A FR 8112657 A FR8112657 A FR 8112657A FR 2485757 A1 FR2485757 A1 FR 2485757A1
- Authority
- FR
- France
- Prior art keywords
- reciprocity
- reproduction
- correct
- functional equation
- diaphragm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012937 correction Methods 0.000 claims abstract description 55
- 230000007547 defect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 2
- 241001331845 Equus asinus x caballus Species 0.000 description 2
- 230000001850 reproductive effect Effects 0.000 description 2
- FEPMHVLSLDOMQC-UHFFFAOYSA-N virginiamycin-S1 Natural products CC1OC(=O)C(C=2C=CC=CC=2)NC(=O)C2CC(=O)CCN2C(=O)C(CC=2C=CC=CC=2)N(C)C(=O)C2CCCN2C(=O)C(CC)NC(=O)C1NC(=O)C1=NC=CC=C1O FEPMHVLSLDOMQC-UHFFFAOYSA-N 0.000 description 2
- 108010014172 Factor V Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- G03B7/091—Digital circuits
- G03B7/097—Digital circuits for control of both exposure time and aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8644280A JPS5713443A (en) | 1980-06-27 | 1980-06-27 | Controlling method for exposure time of photoengraving camera |
| JP16559980A JPS5789748A (en) | 1980-11-25 | 1980-11-25 | Exposure time controlling method of picture copying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2485757A1 true FR2485757A1 (fr) | 1981-12-31 |
| FR2485757B1 FR2485757B1 (enrdf_load_stackoverflow) | 1984-12-21 |
Family
ID=26427562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8112657A Granted FR2485757A1 (fr) | 1980-06-27 | 1981-06-26 | Procede pour regler une duree d'exposition photographique pour tenir compte du defaut d'application de la loi de reciprocite d'un support photosensible |
Country Status (6)
| Country | Link |
|---|---|
| DE (1) | DE3124693C2 (enrdf_load_stackoverflow) |
| DK (1) | DK279981A (enrdf_load_stackoverflow) |
| ES (1) | ES503365A0 (enrdf_load_stackoverflow) |
| FR (1) | FR2485757A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2078986B (enrdf_load_stackoverflow) |
| IT (1) | IT1171341B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5756836A (en) * | 1980-09-22 | 1982-04-05 | Dainippon Screen Mfg Co Ltd | Method and device for correcting anti-reciprocity law in case of color reproduction |
| DE3603249A1 (de) * | 1986-02-03 | 1987-08-06 | Hauck Gmbh | Belichtungszeitgeber fuer photographische materialien |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2186145A5 (enrdf_load_stackoverflow) * | 1972-05-25 | 1974-01-04 | Misomex Ab |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1046497B (de) * | 1957-06-19 | 1958-12-11 | Agfa Ag | Zeitschaltvorrichtung fuer fotografische Kopiergeraete |
| DE1497371C3 (de) * | 1965-03-10 | 1974-01-10 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur Regelung der Belichtungszeit von Kopiergeräten |
| GB1311470A (en) * | 1969-11-19 | 1973-03-28 | Littlejohn Co Ltd Sidney R | Photographic reproduction cameras |
| DE2251334C3 (de) * | 1972-10-19 | 1980-04-10 | Eskofot A/S, Ballerup (Daenemark) | Reprokamera |
| US4168120A (en) * | 1978-04-17 | 1979-09-18 | Pako Corporation | Automatic exposure corrections for photographic printer |
-
1981
- 1981-06-24 DE DE3124693A patent/DE3124693C2/de not_active Expired
- 1981-06-24 GB GB8119514A patent/GB2078986B/en not_active Expired
- 1981-06-25 ES ES503365A patent/ES503365A0/es active Granted
- 1981-06-25 DK DK279981A patent/DK279981A/da not_active Application Discontinuation
- 1981-06-26 FR FR8112657A patent/FR2485757A1/fr active Granted
- 1981-06-26 IT IT4878481A patent/IT1171341B/it active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2186145A5 (enrdf_load_stackoverflow) * | 1972-05-25 | 1974-01-04 | Misomex Ab |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3124693A1 (de) | 1982-02-25 |
| IT1171341B (it) | 1987-06-10 |
| IT8148784A0 (it) | 1981-06-26 |
| ES8300206A1 (es) | 1982-10-01 |
| ES503365A0 (es) | 1982-10-01 |
| FR2485757B1 (enrdf_load_stackoverflow) | 1984-12-21 |
| DK279981A (da) | 1981-12-28 |
| GB2078986B (en) | 1984-06-27 |
| DE3124693C2 (de) | 1987-02-19 |
| GB2078986A (en) | 1982-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |