FR928110A - Process and equipment for the rapid reproduction of all line or halftone documents, monochrome or polychrome, in raster or hatched images with variable pitch intended for the engraving of cylinders for printing on fabrics, paper, etc. - Google Patents
Process and equipment for the rapid reproduction of all line or halftone documents, monochrome or polychrome, in raster or hatched images with variable pitch intended for the engraving of cylinders for printing on fabrics, paper, etc.Info
- Publication number
- FR928110A FR928110A FR928110DA FR928110A FR 928110 A FR928110 A FR 928110A FR 928110D A FR928110D A FR 928110DA FR 928110 A FR928110 A FR 928110A
- Authority
- FR
- France
- Prior art keywords
- polychrome
- engraving
- monochrome
- raster
- fabrics
- 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
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
- H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction
-
- 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
- H04N1/40—Picture signal circuits
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR56772T | 1947-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR928110A true FR928110A (en) | 1947-11-19 |
Family
ID=8690925
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR928110D Expired FR928110A (en) | 1947-04-24 | 1946-05-08 | Process and equipment for the rapid reproduction of all line or halftone documents, monochrome or polychrome, in raster or hatched images with variable pitch intended for the engraving of cylinders for printing on fabrics, paper, etc. |
FR56772D Expired FR56772E (en) | 1947-04-24 | 1947-04-24 | Process and equipment for the rapid reproduction of all line or half-tone documents, monochrome or polychrome, in raster or hatched images at variable pitch, intended for the engraving of cylinders for printing on fabrics, papers, etc. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR56772D Expired FR56772E (en) | 1947-04-24 | 1947-04-24 | Process and equipment for the rapid reproduction of all line or half-tone documents, monochrome or polychrome, in raster or hatched images at variable pitch, intended for the engraving of cylinders for printing on fabrics, papers, etc. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2524531A (en) |
CH (1) | CH262573A (en) |
FR (2) | FR928110A (en) |
GB (1) | GB643330A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2796534A (en) * | 1951-01-23 | 1957-06-18 | Wilbespan Res Labs Inc | Photo-electric tone generator |
US2892124A (en) * | 1955-11-09 | 1959-06-23 | Rabinow Jacob | Noise discriminating, high gain automatic headlight dimmer |
US2978590A (en) * | 1956-04-20 | 1961-04-04 | Intelligent Machines Res Corp | Scanning apparatus |
US3196279A (en) * | 1962-06-12 | 1965-07-20 | Control Company Inc Comp | Photosensitive digital shaft encoder |
US3334226A (en) * | 1963-12-30 | 1967-08-01 | Exxon Production Research Co | Apparatus for simulataneously measuring fluid density and flow rate on a single photographic film |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB294508A (en) * | 1927-04-14 | 1928-07-16 | Arthur Oswald Thomas Yeo | Improvements in or relating to musical instruments |
US2063998A (en) * | 1930-12-13 | 1936-12-15 | Bell Telephone Labor Inc | Electro-optical system |
FR743655A (en) * | 1931-03-04 | 1933-04-03 | ||
US2152348A (en) * | 1936-08-07 | 1939-03-28 | William G H Finch | Telepicture recording system |
US2287033A (en) * | 1938-05-28 | 1942-06-23 | Columbia Broadcasting Syst Inc | Method and apparatus for television |
US2274841A (en) * | 1940-04-16 | 1942-03-03 | Rca Corp | Photo radio system |
US2294643A (en) * | 1940-07-05 | 1942-09-01 | Interchenical Corp | Method and apparatus for reproducing pictures |
US2357938A (en) * | 1941-11-25 | 1944-09-12 | Interchem Corp | System for controlled intermittent illumination |
US2347015A (en) * | 1942-09-17 | 1944-04-18 | Press Ass Inc | Means of compensating for drift of photoelectric devices and associated circuits |
US2432123A (en) * | 1945-04-05 | 1947-12-09 | Bell Telephone Labor Inc | Translation of visual symbols |
-
1946
- 1946-05-08 FR FR928110D patent/FR928110A/en not_active Expired
-
1947
- 1947-04-24 FR FR56772D patent/FR56772E/en not_active Expired
- 1947-05-07 US US746442A patent/US2524531A/en not_active Expired - Lifetime
- 1947-05-08 CH CH262573D patent/CH262573A/en unknown
- 1947-05-20 GB GB13509/47A patent/GB643330A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2524531A (en) | 1950-10-03 |
GB643330A (en) | 1950-09-20 |
CH262573A (en) | 1949-07-15 |
FR56772E (en) | 1952-10-06 |
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