FR1114783A - Method and device for establishing a raster image - Google Patents
Method and device for establishing a raster imageInfo
- Publication number
- FR1114783A FR1114783A FR1114783DA FR1114783A FR 1114783 A FR1114783 A FR 1114783A FR 1114783D A FR1114783D A FR 1114783DA FR 1114783 A FR1114783 A FR 1114783A
- Authority
- FR
- France
- Prior art keywords
- establishing
- raster image
- raster
- image
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
- B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
-
- 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)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL183455 | 1953-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1114783A true FR1114783A (en) | 1956-04-17 |
Family
ID=19750634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1114783D Expired FR1114783A (en) | 1953-12-09 | 1954-12-06 | Method and device for establishing a raster image |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH330521A (en) |
DE (1) | DE960693C (en) |
FR (1) | FR1114783A (en) |
GB (1) | GB779912A (en) |
NL (1) | NL183455B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2759718C2 (en) * | 1977-09-06 | 1985-05-15 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Process for the production of screened printing forms |
DE2739977C3 (en) | 1977-09-06 | 1981-01-29 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Engraving device for the production of printing forms |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE604393C (en) * | ||||
DE635761C (en) * | 1934-07-24 | 1936-09-30 | Hans Richter Dr | Device for the production of raster negatives |
-
0
- NL NLAANVRAGE7604296,A patent/NL183455B/en unknown
-
1954
- 1954-11-30 CH CH330521D patent/CH330521A/en unknown
- 1954-12-02 DE DEN9844A patent/DE960693C/en not_active Expired
- 1954-12-06 FR FR1114783D patent/FR1114783A/en not_active Expired
- 1954-12-09 GB GB3573854A patent/GB779912A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE960693C (en) | 1957-03-28 |
NL183455B (en) | |
GB779912A (en) | 1957-07-24 |
CH330521A (en) | 1958-06-15 |
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