CA1099148A - Method and apparatus for engraving printing forms - Google Patents
Method and apparatus for engraving printing formsInfo
- Publication number
- CA1099148A CA1099148A CA311,117A CA311117A CA1099148A CA 1099148 A CA1099148 A CA 1099148A CA 311117 A CA311117 A CA 311117A CA 1099148 A CA1099148 A CA 1099148A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- image
- values
- image values
- principal
- 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
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012216 screening Methods 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000000306 recurrent effect Effects 0.000 claims abstract 6
- 230000006870 function Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims 3
- 238000012886 linear function Methods 0.000 claims 1
- 230000000873 masking effect Effects 0.000 claims 1
- 239000000543 intermediate Substances 0.000 description 28
- 230000033458 reproduction Effects 0.000 description 17
- 239000004020 conductor Substances 0.000 description 16
- 238000012546 transfer Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 238000012432 intermediate storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
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
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2741953A DE2741953C3 (de) | 1977-09-17 | 1977-09-17 | Graviervorrichtung zum Herstellen von Druckformen |
DEP2741953.0 | 1977-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1099148A true CA1099148A (en) | 1981-04-14 |
Family
ID=6019230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA311,117A Expired CA1099148A (en) | 1977-09-17 | 1978-09-12 | Method and apparatus for engraving printing forms |
Country Status (8)
Country | Link |
---|---|
US (1) | US4245260A (en, 2012) |
JP (1) | JPS5454701A (en, 2012) |
CA (1) | CA1099148A (en, 2012) |
DE (1) | DE2741953C3 (en, 2012) |
FR (1) | FR2403190A1 (en, 2012) |
GB (1) | GB2007460B (en, 2012) |
IT (1) | IT1101003B (en, 2012) |
NL (1) | NL175150C (en, 2012) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933198Y2 (ja) * | 1979-09-20 | 1984-09-17 | 株式会社モリタ製作所 | パノラマx線撮影用ゲ−ジ |
JPS5655949A (en) * | 1979-10-12 | 1981-05-16 | Dainippon Screen Mfg Co Ltd | Preparation of dot image by compaction of information |
JPS57147636A (en) * | 1981-03-09 | 1982-09-11 | Toppan Printing Co Ltd | Plate making method for endless print |
US4422101A (en) * | 1980-07-30 | 1983-12-20 | Toppan Printing Co., Ltd. | Electronic cylinder making method |
JPS57151947A (en) * | 1981-03-17 | 1982-09-20 | Toppan Printing Co Ltd | Making device for endless plate |
JPS57151946A (en) * | 1981-03-17 | 1982-09-20 | Toppan Printing Co Ltd | Making device for endless plate |
US4672466A (en) * | 1985-02-05 | 1987-06-09 | R. R. Donnelley & Sons Company | Operator selectable multiple gradation scanner and engraver apparatus and method |
DE3724256A1 (de) * | 1987-07-22 | 1989-02-02 | Hell Rudolf Dr Ing Gmbh | Funktionsweise einer schaltungsanordnung zum betrieb von graviersystemen fuer die gravur von druckformen |
EP0465074B1 (en) * | 1990-06-27 | 1995-11-15 | Konica Corporation | Image forming apparatus |
US5642436A (en) * | 1990-07-18 | 1997-06-24 | Linotype-Hell Ag | Method for generating and storing digitalized density threshold values for the rastering of a half-tone picture original |
DE4022772A1 (de) | 1990-07-18 | 1992-02-13 | Linotype Ag | Verfahren zur generierung und speicherung von digitalisierten dichte-schwellwerten zur rasterung einer halbton-bildvorlage |
US5515182A (en) * | 1992-08-31 | 1996-05-07 | Howtek, Inc. | Rotary scanner |
US5691818A (en) * | 1993-02-25 | 1997-11-25 | Ohio Electronic Engravers, Inc. | System and method for enhancing edges and the like for engraving |
US5663803A (en) * | 1993-02-25 | 1997-09-02 | Ohio Electronic Engravers, Inc. | Engraving method and apparatus for engraving areas using a shaping signal |
EP0805585A1 (de) * | 1996-04-25 | 1997-11-05 | Schablonentechnik Kufstein Aktiengesellschaft | Verfahren zur Herstellung einer Grautonschablone |
DE19720877A1 (de) * | 1997-05-17 | 1998-11-19 | Anatolii Dipl Ing Fel | Verfahren zur Herstellung von Abbildungen auf Glas, Stein und anderen harten Materialien durch Zerstörung ihrer Oberfläche |
US6433890B1 (en) | 1998-09-24 | 2002-08-13 | Mdc Max Daetwyler Ag | System and method for improving printing of a leading edge of an image in a gravure printing process |
EP1369230A1 (en) * | 2002-06-05 | 2003-12-10 | Kba-Giori S.A. | Method of manufacturing an engraved plate |
US10265482B2 (en) | 2015-10-01 | 2019-04-23 | Soul Skins Llc | Needle-point pen apparatus, methods, and systems for administering medication |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2865984A (en) * | 1953-09-03 | 1958-12-23 | Time Inc | Edge correcting system for visual image transference apparatus |
US2881246A (en) * | 1955-09-27 | 1959-04-07 | Fairchild Camera Instr Co | Engraving machine |
US3770888A (en) * | 1971-10-04 | 1973-11-06 | Werkspoor Amsterdam Nv | Method and apparatus for controlling the engraving pattern of an electromagnetic gravure engraving |
US3769455A (en) * | 1972-03-01 | 1973-10-30 | Werkspoor Amsterdam Nv | Method and apparatus for making half-tone screen printing cylinders |
US3983319A (en) * | 1973-11-12 | 1976-09-28 | Printing Developments, Inc. | Electronic screening for image reproduction |
NL167897C (nl) * | 1975-02-28 | 1982-02-16 | Hell Rudolf Dr Ing Gmbh | Inrichting voor het vervaardigen van gerasterde drukvormen overeenkomstig een beeldorigineel. |
DE2516332C2 (de) * | 1975-04-15 | 1987-01-22 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Codierung von elektrischen Signalen, die bei der Abtastung eines graphischen Musters mit aus Text und Bild gemischtem Inhalt gewonnen werden |
-
1977
- 1977-09-17 DE DE2741953A patent/DE2741953C3/de not_active Expired
-
1978
- 1978-08-07 NL NLAANVRAGE7808264,A patent/NL175150C/xx not_active IP Right Cessation
- 1978-08-29 FR FR7824938A patent/FR2403190A1/fr active Granted
- 1978-09-11 US US05/941,542 patent/US4245260A/en not_active Expired - Lifetime
- 1978-09-12 CA CA311,117A patent/CA1099148A/en not_active Expired
- 1978-09-15 IT IT27704/78A patent/IT1101003B/it active
- 1978-09-18 JP JP11447678A patent/JPS5454701A/ja active Granted
- 1978-09-18 GB GB7837155A patent/GB2007460B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6235104B2 (en, 2012) | 1987-07-30 |
DE2741953C3 (de) | 1981-05-21 |
IT1101003B (it) | 1985-09-28 |
FR2403190A1 (fr) | 1979-04-13 |
US4245260A (en) | 1981-01-13 |
JPS5454701A (en) | 1979-05-01 |
DE2741953B2 (de) | 1980-09-18 |
NL175150B (nl) | 1984-05-01 |
NL7808264A (nl) | 1979-03-20 |
GB2007460B (en) | 1982-02-17 |
IT7827704A0 (it) | 1978-09-15 |
FR2403190B1 (en, 2012) | 1983-08-26 |
NL175150C (nl) | 1984-10-01 |
GB2007460A (en) | 1979-05-16 |
DE2741953A1 (de) | 1979-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |