JPS5719772B2 - - Google Patents
Info
- Publication number
- JPS5719772B2 JPS5719772B2 JP12503477A JP12503477A JPS5719772B2 JP S5719772 B2 JPS5719772 B2 JP S5719772B2 JP 12503477 A JP12503477 A JP 12503477A JP 12503477 A JP12503477 A JP 12503477A JP S5719772 B2 JPS5719772 B2 JP S5719772B2
- 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.)
- 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
- H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
- H04N1/648—Transmitting or storing the primary (additive or subtractive) colour signals; Compression thereof
-
- 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
- H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions
-
- 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
- H04N1/52—Circuits or arrangements for halftone screening
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Editing Of Facsimile Originals (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Processing (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2646926A DE2646926B2 (de) | 1976-10-18 | 1976-10-18 | Verfahren zur Änderung der bildpunktmäBigen Zerlegung von Halbtonbildern beim Übergang von der Reproduktion zur Aufzeichnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5351003A JPS5351003A (en) | 1978-05-10 |
| JPS5719772B2 true JPS5719772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-04-24 |
Family
ID=5990714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12503477A Granted JPS5351003A (en) | 1976-10-18 | 1977-10-18 | Method of changing dot sepsration for medium gradation image in process from scanning to duplication |
Country Status (10)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305093A (en) * | 1978-06-22 | 1981-12-08 | International Electronic Photo Process Laboratory Co., Ltd. | Method of producing multiple images in a scanning apparatus |
| DE2827596C2 (de) * | 1978-06-23 | 1984-11-22 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren und Anordnung zur Herstellung gerasterter Druckformen |
| JPS5522708A (en) * | 1978-08-04 | 1980-02-18 | Dainippon Screen Mfg Co Ltd | Method and apparatus for recording of color image |
| DE2948369C2 (de) * | 1978-11-30 | 1984-09-27 | Toppan Printing Co. Ltd., Tokio/Tokyo | Elektronisches Gerät zur Verarbeitung eines Farbfernsehbildes sowie Verfahren zur Bestimmung von Einzelbildern bei diesem Gerät |
| USRE32877E (en) * | 1978-12-26 | 1989-02-21 | Structure for and method of reproduction | |
| US4386374A (en) * | 1978-12-27 | 1983-05-31 | Tokyo Shibaura Denki Kabushiki Kaisha | Electronic duplicator with a line buffer memory |
| DE3266906D1 (en) * | 1982-05-28 | 1985-11-21 | Hell Rudolf Dr Ing Gmbh | Method and apparatus for the reproduction of an image with a coarser resolution than during picture scanning |
| AT381401B (de) * | 1984-06-04 | 1986-10-10 | Weidinger Wolfgang | Verfahren zur herstellung von rasterfarbauszuegen und deren weiterverarbeitung auf eine flexodruckform |
| US4652906A (en) * | 1985-03-12 | 1987-03-24 | Racal Data Communications Inc. | Method and apparatus for color decomposition of video signals |
| EP0232081B1 (en) * | 1986-01-22 | 1994-03-30 | Konica Corporation | Image processing system with capability of enlarging and reducing operations |
| US4833531A (en) * | 1986-04-21 | 1989-05-23 | Konishiroku Photo Industry Co., Ltd. | Technique for interpolating a color image for image enlargement or reduction based on look-up tables stored in memory |
| GB8811648D0 (en) * | 1988-05-17 | 1988-06-22 | Quantel Ltd | Electronic print dot generation |
| US5515182A (en) * | 1992-08-31 | 1996-05-07 | Howtek, Inc. | Rotary scanner |
| US5784090A (en) * | 1993-04-30 | 1998-07-21 | Hewlett-Packard Company | Use of densitometer for adaptive control of printer heater output to optimize drying time for different print media |
| DE19815165B4 (de) * | 1998-04-04 | 2005-03-24 | Hell Gravure Systems Gmbh | Verfahren zur Gravur von Druckformen |
| US6900826B2 (en) * | 2002-02-19 | 2005-05-31 | Presstek, Inc. | Multiple resolution helical imaging system and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379053A (en) * | 1972-04-28 | 1975-01-02 | Crosfield Electronics Ltd | Colour scanners for image reproduction |
| GB1464445A (en) * | 1973-02-19 | 1977-02-16 | Mitsubishi Electric Corp | Apparatus for making a printing master |
| GB1499501A (en) * | 1974-05-03 | 1978-02-01 | Crosfield Electronics Ltd | Image reproduction systems |
-
1976
- 1976-10-18 DE DE2646926A patent/DE2646926B2/de not_active Ceased
-
1977
- 1977-10-11 SU SU772532255A patent/SU938735A3/ru active
- 1977-10-12 FI FI773024A patent/FI63639C/fi not_active IP Right Cessation
- 1977-10-12 CH CH1249377A patent/CH629315A5/de not_active IP Right Cessation
- 1977-10-17 IT IT28656/77A patent/IT1087600B/it active
- 1977-10-17 DK DK460877A patent/DK148609C/da not_active IP Right Cessation
- 1977-10-17 GB GB43009/77A patent/GB1539484A/en not_active Expired
- 1977-10-17 IL IL53154A patent/IL53154A/xx unknown
- 1977-10-17 US US05/842,506 patent/US4127870A/en not_active Expired - Lifetime
- 1977-10-18 JP JP12503477A patent/JPS5351003A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DK148609B (da) | 1985-08-12 |
| FI63639B (fi) | 1983-03-31 |
| FI773024A7 (fi) | 1978-04-19 |
| SU938735A3 (ru) | 1982-06-23 |
| CH629315A5 (de) | 1982-04-15 |
| DK148609C (da) | 1986-01-13 |
| IT1087600B (it) | 1985-06-04 |
| GB1539484A (en) | 1979-01-31 |
| DE2646926B2 (de) | 1979-03-29 |
| US4127870A (en) | 1978-11-28 |
| FI63639C (fi) | 1983-07-11 |
| IL53154A (en) | 1982-01-31 |
| JPS5351003A (en) | 1978-05-10 |
| DE2646926A1 (de) | 1978-04-20 |
| DK460877A (da) | 1978-04-19 |