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FI813492A7 - Menetelmä ja laite alkuperäiskappaleen peräkkäiseksi jäljentämiseksi. - Google Patents

Menetelmä ja laite alkuperäiskappaleen peräkkäiseksi jäljentämiseksi. Download PDF

Info

Publication number
FI813492A7
FI813492A7 FI813492A FI813492A FI813492A7 FI 813492 A7 FI813492 A7 FI 813492A7 FI 813492 A FI813492 A FI 813492A FI 813492 A FI813492 A FI 813492A FI 813492 A7 FI813492 A7 FI 813492A7
Authority
FI
Finland
Prior art keywords
original
successive reproduction
reproduction
successive
Prior art date
Application number
FI813492A
Other languages
English (en)
Swedish (sv)
Other versions
FI813492L (fi
Inventor
Angelo Balzan
Hans Stroppel
Original Assignee
Ringier & Co Ag
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 Ringier & Co Ag filed Critical Ringier & Co Ag
Publication of FI813492L publication Critical patent/FI813492L/fi
Publication of FI813492A7 publication Critical patent/FI813492A7/fi

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
    • H04N1/40075—Descreening, i.e. converting a halftone signal into a corresponding continuous-tone signal; Rescreening, i.e. combined descreening and halftoning
    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Facsimile Heads (AREA)
FI813492A 1980-11-07 1981-11-05 Menetelmä ja laite alkuperäiskappaleen peräkkäiseksi jäljentämiseksi. FI813492A7 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH829080 1980-11-07

Publications (2)

Publication Number Publication Date
FI813492L FI813492L (fi) 1982-05-08
FI813492A7 true FI813492A7 (fi) 1982-05-08

Family

ID=4338037

Family Applications (1)

Application Number Title Priority Date Filing Date
FI813492A FI813492A7 (fi) 1980-11-07 1981-11-05 Menetelmä ja laite alkuperäiskappaleen peräkkäiseksi jäljentämiseksi.

Country Status (10)

Country Link
US (1) US4403258A (fi)
JP (1) JPS57126668A (fi)
DE (1) DE3144149A1 (fi)
DK (1) DK491681A (fi)
ES (1) ES8303861A1 (fi)
FI (1) FI813492A7 (fi)
FR (1) FR2494065A1 (fi)
GB (1) GB2089164A (fi)
IT (1) IT8124908A0 (fi)
SE (1) SE8106605L (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3139483C2 (de) * 1981-10-03 1985-06-13 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Schaltungsanordnung zur Kontraststeigerung
DE3175918D1 (en) * 1981-10-19 1987-03-12 Hell Rudolf Dr Ing Gmbh Contrast enhancement method
DE3270088D1 (en) * 1982-07-03 1986-04-30 Hell Rudolf Dr Ing Gmbh Method and arrangement for contrast enhancement
DE3266409D1 (en) * 1982-10-09 1985-10-24 Hell Rudolf Dr Ing Gmbh Electrically controlled scanning apparatus and method for the moire-free scanning of raster copies
JPS5963568U (ja) * 1982-10-21 1984-04-26 大日本スクリ−ン製造株式会社 画像走査記録装置における画像信号の検出器
CH672212A5 (fi) * 1983-06-03 1989-10-31 Gravure Inc
US5020118A (en) * 1984-06-13 1991-05-28 Canon Kabushiki Kaisha Image reading apparatus
JPS63110867A (ja) * 1986-10-29 1988-05-16 Canon Inc 固体撮像素子
US4893195A (en) * 1987-08-27 1990-01-09 Minolta Camera Kabushiki Kaisha Image processing apparatus capable of eliminating moire pattern
JPS6467065A (en) * 1987-09-07 1989-03-13 Canon Kk Image reader
JP2602305B2 (ja) * 1988-11-29 1997-04-23 凸版印刷株式会社 グラビア印刷方法
IL115166A (en) * 1991-04-30 1997-02-18 Scitex Corp Ltd Apparatus and method for descreening

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691696A (en) * 1950-10-27 1954-10-12 Eastman Kodak Co Electrooptical unsharp masking in color reproduction
DE1039842B (de) * 1957-08-14 1958-09-25 Rudol Hell Dr Ing Verfahren zur kuenstlichen Kontraststeigerung an Tonwertspruengen und Konturen in mittels elektronischer Klischier-maschinen herzustellenden Klischees
US3194882A (en) * 1961-05-16 1965-07-13 Time Inc Facsimile system with resolved local area contrast control
GB1096376A (en) * 1965-09-20 1967-12-29 Derek John Kyte Improvements in or relating to photographic reproduction
US4051536A (en) * 1975-03-14 1977-09-27 Xerox Corporation Electronic halftone imaging system
US4128850A (en) * 1977-05-16 1978-12-05 Calspan Corporation Method and apparatus for transmitting facsimiles over telephone lines

Also Published As

Publication number Publication date
US4403258A (en) 1983-09-06
DE3144149A1 (de) 1982-05-27
ES507448A0 (es) 1983-02-01
IT8124908A0 (it) 1981-11-09
FR2494065A1 (fr) 1982-05-14
ES8303861A1 (es) 1983-02-01
SE8106605L (sv) 1982-05-08
DK491681A (da) 1982-05-08
FI813492L (fi) 1982-05-08
JPS57126668A (en) 1982-08-06
GB2089164A (en) 1982-06-16

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: RINGIER & CO. AG