DE1522071A1 - Verfahren und Vorrichtung zur Umkehrung eines auf einem photographischen Material gebildeten Bildes und gegebenenfalls zur Regelung des Bildkontrasts - Google Patents
Verfahren und Vorrichtung zur Umkehrung eines auf einem photographischen Material gebildeten Bildes und gegebenenfalls zur Regelung des BildkontrastsInfo
- Publication number
- DE1522071A1 DE1522071A1 DE19661522071 DE1522071A DE1522071A1 DE 1522071 A1 DE1522071 A1 DE 1522071A1 DE 19661522071 DE19661522071 DE 19661522071 DE 1522071 A DE1522071 A DE 1522071A DE 1522071 A1 DE1522071 A1 DE 1522071A1
- Authority
- DE
- Germany
- Prior art keywords
- image
- light
- photographic
- contrast
- materials
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 8
- 230000001105 regulatory effect Effects 0.000 title claims description 8
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 2
- 229940072056 alginate Drugs 0.000 description 2
- 235000010443 alginic acid Nutrition 0.000 description 2
- 229920000615 alginic acid Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 239000001828 Gelatine Substances 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/727—Optical projection devices wherein the contrast is controlled optically (e.g. uniform exposure, two colour exposure on variable contrast sensitive material)
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Projection-Type Copiers In General (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5068465 | 1965-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1522071A1 true DE1522071A1 (de) | 1969-06-26 |
Family
ID=12865735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661522071 Withdrawn DE1522071A1 (de) | 1965-08-20 | 1966-08-20 | Verfahren und Vorrichtung zur Umkehrung eines auf einem photographischen Material gebildeten Bildes und gegebenenfalls zur Regelung des Bildkontrasts |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3475096A (en:Method) |
| BE (1) | BE685728A (en:Method) |
| CH (1) | CH465400A (en:Method) |
| DE (1) | DE1522071A1 (en:Method) |
| FR (1) | FR1504562A (en:Method) |
| GB (1) | GB1144815A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697178A (en) * | 1971-11-01 | 1972-10-10 | Rca Corp | Method of projection printing photoresist masking layers, including elimination of spurious diffraction-associated patterns from the print |
| US4306783A (en) * | 1980-02-27 | 1981-12-22 | The United States Of America As Represented By The Secretary Of The Navy | Scattered-light imaging system |
| US4661828A (en) * | 1985-03-20 | 1987-04-28 | Miller Jr Verelyn A | Optical imaging head |
| US4788600A (en) * | 1987-04-15 | 1988-11-29 | Eastman Kodak Company | Video apparatus for generating an adjustable contrast video signal from a photographic print |
| US4764807A (en) * | 1987-08-16 | 1988-08-16 | Fuji Photo Film Co., Ltd. | CRT image printing apparatus |
| US5341192A (en) * | 1993-03-02 | 1994-08-23 | Black & Veatch Architects, Inc. | Flow camera for large document reproductions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2783678A (en) * | 1951-10-02 | 1957-03-05 | Technicolor Motion Picture | Photographic contrast control system |
| US2748649A (en) * | 1954-12-06 | 1956-06-05 | Orlando Carl | Method and means for evaluating density characteristics of photographic negatives |
-
1966
- 1966-08-16 GB GB36638/66A patent/GB1144815A/en not_active Expired
- 1966-08-19 BE BE685728D patent/BE685728A/xx unknown
- 1966-08-19 US US573522A patent/US3475096A/en not_active Expired - Lifetime
- 1966-08-20 DE DE19661522071 patent/DE1522071A1/de not_active Withdrawn
- 1966-08-20 FR FR73673A patent/FR1504562A/fr not_active Expired
- 1966-08-22 CH CH1207466A patent/CH465400A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE685728A (en:Method) | 1967-02-01 |
| CH465400A (de) | 1968-11-15 |
| FR1504562A (fr) | 1967-12-08 |
| US3475096A (en) | 1969-10-28 |
| GB1144815A (en) | 1969-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |