JPS535561B1 - - Google Patents
Info
- Publication number
- JPS535561B1 JPS535561B1 JP1546671A JP1546671A JPS535561B1 JP S535561 B1 JPS535561 B1 JP S535561B1 JP 1546671 A JP1546671 A JP 1546671A JP 1546671 A JP1546671 A JP 1546671A JP S535561 B1 JPS535561 B1 JP S535561B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H04N1/40—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
- H04N1/4058—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 with details for producing a halftone screen at an oblique angle
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Facsimile Scanning Arrangements (AREA)
- Color, Gradation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702012728 DE2012728C3 (en) | 1970-03-18 | 1970-03-18 | Process for the electro-optical recording of screened halftone images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS535561B1 true JPS535561B1 (en) | 1978-02-28 |
Family
ID=5765374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1546671A Pending JPS535561B1 (en) | 1970-03-18 | 1971-03-18 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS535561B1 (en) |
| DE (1) | DE2012728C3 (en) |
| FR (1) | FR2084832A5 (en) |
| GB (1) | GB1355540A (en) |
| SU (1) | SU682160A3 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4189752A (en) * | 1973-11-12 | 1980-02-19 | Printing Developments, Inc. | Electronic screening with galvanometer recorders |
| US3983319A (en) * | 1973-11-12 | 1976-09-28 | Printing Developments, Inc. | Electronic screening for image reproduction |
| JPS51150401A (en) * | 1975-06-18 | 1976-12-24 | Dainippon Screen Mfg | Method and device for scanning recording screen printed image |
| DE2646925B2 (en) * | 1976-10-18 | 1978-10-05 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Process for obtaining digital recording data for screened color separations |
| DE2752164C3 (en) * | 1977-11-23 | 1980-11-20 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Scanned photomechanical printing form production |
| DE2805874B2 (en) * | 1978-02-11 | 1980-08-14 | Paul 4300 Essen Pfau | Method for producing a gravure form |
| DE2827596C2 (en) * | 1978-06-23 | 1984-11-22 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Method and arrangement for the production of screened printing forms |
| JPS5880639A (en) * | 1981-11-07 | 1983-05-14 | Dainippon Screen Mfg Co Ltd | Method for recording screen plate image |
| EP0079974B1 (en) * | 1981-11-20 | 1987-02-04 | DR.-ING. RUDOLF HELL GmbH | Screen system for multicolour printing |
| DE3312273C3 (en) * | 1982-04-06 | 1996-03-21 | Canon Kk | Image processing device |
| US5666444A (en) * | 1982-04-06 | 1997-09-09 | Canon Kabushiki Kaisha | Image processing apparatus |
| JPH0683374B2 (en) * | 1986-02-14 | 1994-10-19 | 富士写真フイルム株式会社 | Method of forming halftone image |
| DE4038057C2 (en) * | 1990-11-29 | 1997-05-15 | Hell Ag Linotype | Process for the generation and storage of digitized density threshold values for screening a halftone image template |
| DE4038056C2 (en) * | 1990-11-29 | 1997-05-15 | Hell Ag Linotype | Process for the generation and storage of digitized density threshold values for screening a halftone image |
| USRE41604E1 (en) * | 1999-03-16 | 2010-08-31 | Megadot Systems Limited | Halftone patterns |
| JP4100157B2 (en) | 2002-12-09 | 2008-06-11 | 富士ゼロックス株式会社 | Image forming apparatus and method |
-
1970
- 1970-03-18 DE DE19702012728 patent/DE2012728C3/en not_active Expired
-
1971
- 1971-03-04 SU SU711631533A patent/SU682160A3/en active
- 1971-03-18 FR FR7109553A patent/FR2084832A5/fr not_active Expired
- 1971-03-18 JP JP1546671A patent/JPS535561B1/ja active Pending
- 1971-04-19 GB GB2427171A patent/GB1355540A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2012728B2 (en) | 1974-02-28 |
| GB1355540A (en) | 1974-06-05 |
| FR2084832A5 (en) | 1971-12-17 |
| DE2012728A1 (en) | 1971-09-30 |
| SU682160A3 (en) | 1979-08-25 |
| DE2012728C3 (en) | 1974-09-19 |