FR51365E - Perfectionnements à la photographie en couleurs - Google Patents
Perfectionnements à la photographie en couleursInfo
- Publication number
- FR51365E FR51365E FR51365DA FR51365E FR 51365 E FR51365 E FR 51365E FR 51365D A FR51365D A FR 51365DA FR 51365 E FR51365 E FR 51365E
- Authority
- FR
- France
- Prior art keywords
- color photography
- photography
- color
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6016—Conversion to subtractive colour signals
- H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Fax Reproducing Arrangements (AREA)
- Optical Recording Or Reproduction (AREA)
- Color Television Systems (AREA)
- Recording Measured Values (AREA)
- Color Television Image Signal Generators (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US120964A US2253086A (en) | 1937-01-16 | 1937-01-16 | Color photography |
US234422A US2249522A (en) | 1937-01-16 | 1938-10-11 | Electric circuit for color correction |
US241433A US2231669A (en) | 1937-01-16 | 1938-11-19 | Color correction |
Publications (1)
Publication Number | Publication Date |
---|---|
FR51365E true FR51365E (fr) | 1942-06-09 |
Family
ID=27382548
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR834838D Expired FR834838A (fr) | 1937-01-16 | 1938-01-15 | Perfectionnements à la photographie en couleurs |
FR51365D Expired FR51365E (fr) | 1937-01-16 | 1939-10-11 | Perfectionnements à la photographie en couleurs |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR834838D Expired FR834838A (fr) | 1937-01-16 | 1938-01-15 | Perfectionnements à la photographie en couleurs |
Country Status (4)
Country | Link |
---|---|
US (3) | US2253086A (fr) |
DE (1) | DE697490C (fr) |
FR (2) | FR834838A (fr) |
GB (4) | GB488835A (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2509038A (en) * | 1942-08-21 | 1950-05-23 | Rca Corp | Television system |
US2423769A (en) * | 1942-08-21 | 1947-07-08 | Rca Corp | Color television system |
US2434561A (en) * | 1944-07-08 | 1948-01-13 | Interchem Corp | Color facsimile |
US2566277A (en) * | 1946-05-10 | 1951-08-28 | Eastman Kodak Co | Method for making color prints |
US2566264A (en) * | 1946-05-10 | 1951-08-28 | Eastman Kodak Co | Method of making color prints |
US2521954A (en) * | 1946-05-10 | 1950-09-12 | Eastman Kodak Co | Apparatus for making color prints |
US2571697A (en) * | 1946-06-20 | 1951-10-16 | Eastman Kodak Co | Method for correcting photographic color prints |
US2560567A (en) * | 1946-10-09 | 1951-07-17 | Norman R Gunderson | Apparatus and method for use in color reproduction |
BE477743A (fr) * | 1946-12-05 | |||
GB640001A (en) * | 1947-02-24 | 1950-07-12 | Nell William Yelland | Improvements relating to the production of multi-colour printing surfaces |
US2566693A (en) * | 1947-09-13 | 1951-09-04 | Rca Corp | Color television system |
US2567240A (en) * | 1947-10-29 | 1951-09-11 | Miehle Printing Press & Mfg | Color facsimile system |
US2605348A (en) * | 1948-03-10 | 1952-07-29 | Time Inc | Color separation negative |
US2606245A (en) * | 1948-03-10 | 1952-08-05 | Time Inc | Unsharp mask in electronic color correction |
US2529975A (en) * | 1948-03-11 | 1950-11-14 | Eastman Kodak Co | Method of making color prints from color transparencies |
US2657254A (en) * | 1950-05-20 | 1953-10-27 | Bell Telephone Labor Inc | Color television system |
US2630485A (en) * | 1950-09-11 | 1953-03-03 | Color Television Inc | Color television apparatus |
US2691696A (en) * | 1950-10-27 | 1954-10-12 | Eastman Kodak Co | Electrooptical unsharp masking in color reproduction |
US2727940A (en) * | 1951-06-12 | 1955-12-20 | Time Inc | Electronic masking method and apparatus |
US2748190A (en) * | 1951-09-15 | 1956-05-29 | Eastman Kodak Co | Black printers and electrooptical methods of making them |
US2879326A (en) * | 1952-08-27 | 1959-03-24 | Eastman Kodak Co | Black printer for electro-optical reproduction |
US2766319A (en) * | 1952-09-16 | 1956-10-09 | Time Inc | Method of and apparatus for making a black printer for four-color reproduction |
US2808453A (en) * | 1953-06-01 | 1957-10-01 | Rca Corp | Color correction systems |
US2848528A (en) * | 1953-07-30 | 1958-08-19 | Rca Corp | Color-correction system |
BE530710A (fr) * | 1953-07-30 | |||
US2863938A (en) * | 1954-06-16 | 1958-12-09 | Technicolor Motion Picture | Printing timer |
CH330517A (de) * | 1954-08-16 | 1958-06-15 | Edgar Gretener Ag Dr | Verfahren zur Herstellung eines subtraktiven Farbfilms |
GB791676A (en) * | 1954-09-29 | 1958-03-12 | Edgar Gretener | Method for processing a subtractive motion picture film |
DE1268957B (de) * | 1957-09-24 | 1968-05-22 | Hunter Penrose Ltd | Vorrichtung zur Herstellung von elektronisch korrigierten negativen Farbauszuegen |
GB857654A (en) * | 1958-07-18 | 1961-01-04 | Crosfield J F Ltd | Improvements in or relating to colour reproduction systems |
US3274883A (en) * | 1961-03-15 | 1966-09-27 | Ibm | Optical angular orientation measuring system |
US3801197A (en) * | 1971-04-30 | 1974-04-02 | Canon Kk | Color electrophotographic copying apparatus capable of color balance adjustment |
US3763308A (en) * | 1971-10-20 | 1973-10-02 | Fuji Photo Film Co Ltd | Image reproducing system |
US4858507A (en) * | 1983-04-20 | 1989-08-22 | Esselte Pendaflex Corporation | Mat board cutter with adjustable cutter-carrying body |
-
1937
- 1937-01-16 US US120964A patent/US2253086A/en not_active Expired - Lifetime
-
1938
- 1938-01-15 FR FR834838D patent/FR834838A/fr not_active Expired
- 1938-01-16 DE DE1938K0149193 patent/DE697490C/de not_active Expired
- 1938-01-17 GB GB1477/38A patent/GB488835A/en not_active Expired
- 1938-10-11 US US234422A patent/US2249522A/en not_active Expired - Lifetime
- 1938-11-19 US US241433A patent/US2231669A/en not_active Expired - Lifetime
-
1939
- 1939-10-11 FR FR51365D patent/FR51365E/fr not_active Expired
- 1939-10-11 GB GB27668/39A patent/GB538013A/en not_active Expired
- 1939-10-11 GB GB27667/39A patent/GB538012A/en not_active Expired
-
1941
- 1941-06-26 GB GB8034/41A patent/GB552367A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2249522A (en) | 1941-07-15 |
GB488835A (en) | 1938-07-14 |
GB538013A (en) | 1941-07-17 |
GB538012A (en) | 1941-07-17 |
FR834838A (fr) | 1938-12-02 |
DE697490C (de) | 1940-10-16 |
US2231669A (en) | 1941-02-11 |
US2253086A (en) | 1941-08-19 |
GB552367A (en) | 1943-04-05 |
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