GB1539484A - Method of altering the breakdown into dots of continuous tone pictures at the transition from scanning to reproduction - Google Patents

Method of altering the breakdown into dots of continuous tone pictures at the transition from scanning to reproduction

Info

Publication number
GB1539484A
GB1539484A GB43009/77A GB4300977A GB1539484A GB 1539484 A GB1539484 A GB 1539484A GB 43009/77 A GB43009/77 A GB 43009/77A GB 4300977 A GB4300977 A GB 4300977A GB 1539484 A GB1539484 A GB 1539484A
Authority
GB
United Kingdom
Prior art keywords
dots
altering
breakdown
reproduction
scanning
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
Application number
GB43009/77A
Other languages
English (en)
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.)
HELL R GmbH
Original Assignee
HELL R 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 HELL R GmbH filed Critical HELL R GmbH
Publication of GB1539484A publication Critical patent/GB1539484A/en
Expired 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
    • H04N1/46—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)
GB43009/77A 1976-10-18 1977-10-17 Method of altering the breakdown into dots of continuous tone pictures at the transition from scanning to reproduction Expired GB1539484A (en)

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 (1)

Publication Number Publication Date
GB1539484A true GB1539484A (en) 1979-01-31

Family

ID=5990714

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43009/77A Expired GB1539484A (en) 1976-10-18 1977-10-17 Method of altering the breakdown into dots of continuous tone pictures at the transition from scanning to reproduction

Country Status (10)

Country Link
US (1) US4127870A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5351003A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH629315A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2646926B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK148609C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI63639C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1539484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL53154A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1087600B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SU (1) SU938735A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
ATE16143T1 (de) * 1982-05-28 1985-11-15 Hell Rudolf Dr Ing Gmbh Verfahren und einrichtung zur reproduktion eines bildes mit groeberer aufloesung als bei der bildabtastung.
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
EP0538908A1 (en) * 1986-01-22 1993-04-28 Konica Corporation Image processing system with capability of enlarging and reducing operation
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FI63639B (fi) 1983-03-31
FI63639C (fi) 1983-07-11
JPS5351003A (en) 1978-05-10
DK148609C (da) 1986-01-13
CH629315A5 (de) 1982-04-15
SU938735A3 (ru) 1982-06-23
DE2646926B2 (de) 1979-03-29
JPS5719772B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-04-24
DK460877A (da) 1978-04-19
FI773024A7 (fi) 1978-04-19
US4127870A (en) 1978-11-28
DK148609B (da) 1985-08-12
DE2646926A1 (de) 1978-04-20
IT1087600B (it) 1985-06-04
IL53154A (en) 1982-01-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee