AU529655B2 - Screen printing blocks - Google Patents

Screen printing blocks

Info

Publication number
AU529655B2
AU529655B2 AU48311/79A AU4831179A AU529655B2 AU 529655 B2 AU529655 B2 AU 529655B2 AU 48311/79 A AU48311/79 A AU 48311/79A AU 4831179 A AU4831179 A AU 4831179A AU 529655 B2 AU529655 B2 AU 529655B2
Authority
AU
Australia
Prior art keywords
screen printing
printing blocks
blocks
screen
printing
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.)
Ceased
Application number
AU48311/79A
Other versions
AU4831179A (en
Inventor
Winrich Gall
Klaus Wellendorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing Rudolf Hell GmbH
Original Assignee
Dr Ing Rudolf Hell GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dr Ing Rudolf Hell GmbH filed Critical Dr Ing Rudolf Hell GmbH
Publication of AU4831179A publication Critical patent/AU4831179A/en
Application granted granted Critical
Publication of AU529655B2 publication Critical patent/AU529655B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
AU48311/79A 1978-06-23 1979-06-22 Screen printing blocks Ceased AU529655B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2827596A DE2827596C2 (en) 1978-06-23 1978-06-23 Method and arrangement for the production of screened printing forms
DE28275969 1978-06-23

Publications (2)

Publication Number Publication Date
AU4831179A AU4831179A (en) 1980-01-03
AU529655B2 true AU529655B2 (en) 1983-06-16

Family

ID=6042572

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48311/79A Ceased AU529655B2 (en) 1978-06-23 1979-06-22 Screen printing blocks

Country Status (14)

Country Link
JP (1) JPS556393A (en)
AU (1) AU529655B2 (en)
CA (1) CA1127090A (en)
CH (1) CH643373A5 (en)
DD (1) DD144468A5 (en)
DE (1) DE2827596C2 (en)
ES (1) ES481815A1 (en)
FR (1) FR2429455A1 (en)
GB (1) GB2026283B (en)
IL (1) IL57630A (en)
IT (1) IT1121443B (en)
NL (1) NL182986C (en)
SE (1) SE435107B (en)
SU (1) SU1463125A3 (en)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419690A (en) * 1980-09-01 1983-12-06 Crosfield Electronics Limited Method and apparatus for producing a half-tone reproduction
JPS57120937A (en) * 1981-01-21 1982-07-28 Dainippon Screen Mfg Co Ltd Formation of halftone plate image
JPS57171337A (en) * 1981-04-14 1982-10-21 Dainippon Screen Mfg Co Ltd Production of halftone plate picture
US4499489A (en) * 1981-06-08 1985-02-12 Dr. Ing. Rudolf Hell Gmbh Production of screen printing blocks
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
JPS58182372A (en) * 1982-04-20 1983-10-25 Canon Inc Setting method of printer screen angle
JPS59122080A (en) * 1982-12-27 1984-07-14 Leo Giken:Kk Generating method of dot picture
JPS59161981A (en) * 1983-03-06 1984-09-12 Canon Inc Picture processor
GB8318835D0 (en) * 1983-07-12 1983-08-10 Crosfield Electronics Ltd Half-tone image reproducing
DE3373764D1 (en) * 1983-11-14 1987-10-22 Hell Rudolf Dr Ing Gmbh Method and apparatus for manufacturing screened printing forms
JPS60213170A (en) * 1984-04-06 1985-10-25 Dainippon Screen Mfg Co Ltd Generating method of dot pattern in picture scanning recorder
AT381401B (en) * 1984-06-04 1986-10-10 Weidinger Wolfgang METHOD FOR THE PRODUCTION OF SCREEN COLOR EXTENSIONS AND THE FURTHER PROCESSING THEREOF IN A FLEXO PRINTING FORM
JPH0657049B2 (en) * 1984-12-07 1994-07-27 大日本スクリ−ン製造株式会社 Halftone dot formation method
JPH0614187B2 (en) * 1984-10-11 1994-02-23 株式会社デイ・エス・スキヤナ− Halftone film making device
DE3614790A1 (en) * 1986-05-02 1987-11-05 Hell Rudolf Dr Ing Gmbh METHOD AND DEVICE FOR ELECTRONIC SIDE COMBINATION FOR REPRODUCTION TECHNOLOGY
GB8628238D0 (en) * 1986-11-26 1986-12-31 Crosfield Electronics Ltd Generating half-tone representations
JPS6444681A (en) * 1987-08-12 1989-02-17 Fuji Photo Film Co Ltd Dot screen forming method
DE3738014A1 (en) * 1987-11-09 1989-05-18 Winrich Dipl Ing Gall Method of generating coloured images on a carrier surface
JPH022042A (en) * 1987-12-18 1990-01-08 Contex Graphic Syst Inc Intermediate color printing system
JPH01228848A (en) * 1988-03-10 1989-09-12 Canon Inc Image forming apparatus
DE68925597T2 (en) * 1988-05-18 1996-06-20 Fuji Photo Film Co Ltd Process for creating a halftone screen
US5172248A (en) * 1988-05-18 1992-12-15 Fuji Photo Film Co., Ltd. Method for forming halftone screen and apparatus therefor
US4916530A (en) * 1988-09-02 1990-04-10 Itek Graphix Corp. High resolution halftone dot generator system including LED array
US4924301A (en) * 1988-11-08 1990-05-08 Seecolor Corporation Apparatus and methods for digital halftoning
JPH0691620B2 (en) * 1988-11-15 1994-11-14 大日本スクリーン製造株式会社 Method for recording halftone image of color image
US4977458A (en) * 1988-11-16 1990-12-11 Eastman Kodak Company Apparatus for addressing a font to suppress Moire patterns occurring thereby and a method for use therein
US4918622A (en) * 1988-11-16 1990-04-17 Eastman Kodak Company Electronic graphic arts screener
JPH0666880B2 (en) * 1988-11-17 1994-08-24 大日本スクリーン製造株式会社 Halftone image forming method
US5053887A (en) * 1989-06-27 1991-10-01 Ibm Corporation Technique for producing a fine grained dithered halftone image having an increased number of gray levels
DE69031771T2 (en) * 1989-09-20 1998-06-18 Toyo Ink Mfg Co Color image information processing method
EP0711067A3 (en) * 1989-11-21 1996-07-10 Toyo Ink Mfg Co Method to form density patterns for reproducing binary gradations
DE69120591T2 (en) * 1990-04-25 1997-02-13 Bayer Ag Method for breaking the symmetry of matrix elements in an electronic screening process
JP2598723B2 (en) * 1990-06-28 1997-04-09 大日本スクリーン製造株式会社 Halftone image creation device
US5264926A (en) * 1990-09-14 1993-11-23 Minnesota Mining And Manufacturing Company Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5323245A (en) * 1990-09-14 1994-06-21 Minnesota Mining And Manufacturing Company Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5583660A (en) * 1990-09-14 1996-12-10 Minnesota Mining And Manufacturing Company Non-perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5253084A (en) * 1990-09-14 1993-10-12 Minnesota Mining And Manufacturing Company General kernel function for electronic halftone generation
US5258832A (en) * 1990-09-14 1993-11-02 Minnesota Mining And Manufacturing Company Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5221971A (en) * 1990-11-21 1993-06-22 Polaroid Corporation Area modulation printing apparatus
DE69123832T2 (en) * 1991-02-08 1997-07-24 Adobe Systems Inc Dot size control method for digital halftone screening with a multi-cell threshold matrix
DE4107703C2 (en) * 1991-03-09 1994-07-21 Hell Ag Linotype Method and device for recording rasterized images
DE4108253C2 (en) * 1991-03-14 1995-04-27 Hell Ag Linotype Process and arrangement for producing screened color separations and printing forms
JPH077624A (en) * 1991-09-09 1995-01-10 Mitsubishi Paper Mills Ltd Dot picture recording method
DE4205085A1 (en) * 1992-02-17 1993-08-26 Mannesmann Ag METHOD AND CIRCUIT FOR GENERATING IMAGE INFORMATION (PIXMAPS)
JP2759186B2 (en) * 1992-10-21 1998-05-28 大日本スクリーン製造株式会社 Multicolor mesh image creation method
EP0631430A3 (en) * 1993-06-22 1995-02-22 Nippon Electric Co Color image processing apparatus capable of suppressing moire.
EP0680193B1 (en) * 1994-04-27 2000-07-12 Agfa-Gevaert N.V. Tone dependent rosette structures in multi layer screening by phase modulation
US6361697B1 (en) 1995-01-10 2002-03-26 William S. Coury Decontamination reactor system and method of using same
US6117334A (en) * 1995-01-10 2000-09-12 Coury; William S. Decontamination reactor system and method of using same
JPH08227147A (en) * 1995-02-21 1996-09-03 Dainippon Screen Mfg Co Ltd Dot forming method and device therefor
DE19722697A1 (en) * 1997-05-30 1998-12-03 Heidelberger Druckmasch Ag Process for digital screening of halftone images with screens of any screen width and screen angle
DE10022225B4 (en) 2000-05-08 2015-12-17 Heidelberger Druckmaschinen Ag Multi-level screening with grids of any screen width and screen angle
JP2002356008A (en) 2001-02-02 2002-12-10 Ricoh Co Ltd Image forming apparatus and method
DE60237256D1 (en) * 2001-03-14 2010-09-23 Ricoh Kk Light emission modulation with an effective method of producing gray tones in an image
DE10261004B4 (en) * 2002-12-24 2009-03-26 Heidelberger Druckmaschinen Ag Method for applying random numbers in the screening of image data
ATE492117T1 (en) * 2007-06-06 2011-01-15 Weidlich Ernst Rudolf Dr METHOD FOR ENGRAVING A PRINTING FORM USING LASER LIGHT
JP2009218736A (en) 2008-03-07 2009-09-24 Canon Inc Image forming apparatus and image forming method
DE102009042374A1 (en) 2008-10-20 2010-04-22 Heidelberger Druckmaschinen Ag Method for digital halftoning of halftone images

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084183A (en) * 1970-03-18 1978-04-11 Dr. Ing. Rudolf Hell Gmbh. Method for the electro-optical reproduction of half-tone pictures
DE2012728C3 (en) * 1970-03-18 1974-09-19 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for the electro-optical recording of screened halftone images
US3911480A (en) * 1972-12-08 1975-10-07 John P Brucker Generating screened half-tones by scanning
JPS5340292B2 (en) * 1973-08-31 1978-10-26
GB1495499A (en) * 1974-01-30 1977-12-21 Crosfield Electronics Ltd Image reproduction systems
DE2646926B2 (en) * 1976-10-18 1979-03-29 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for changing the pixel-wise decomposition of halftone images in the transition from reproduction to recording

Also Published As

Publication number Publication date
AU4831179A (en) 1980-01-03
SU1463125A3 (en) 1989-02-28
IL57630A (en) 1982-03-31
JPH0335867B2 (en) 1991-05-29
IL57630A0 (en) 1979-10-31
JPS556393A (en) 1980-01-17
IT1121443B (en) 1986-04-02
FR2429455B1 (en) 1984-10-19
DD144468A5 (en) 1980-10-15
SE435107B (en) 1984-09-03
DE2827596A1 (en) 1980-02-07
CH643373A5 (en) 1984-05-30
NL7904904A (en) 1979-12-28
CA1127090A (en) 1982-07-06
DE2827596C2 (en) 1984-11-22
ES481815A1 (en) 1980-07-01
GB2026283A (en) 1980-01-30
GB2026283B (en) 1983-01-06
FR2429455A1 (en) 1980-01-18
IT7923661A0 (en) 1979-06-18
NL182986C (en) 1988-06-16
SE7905507L (en) 1979-12-24
NL182986B (en) 1988-01-18

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