JPS5540493A - Device for controlling resolution of copy from half tone original - Google Patents

Device for controlling resolution of copy from half tone original

Info

Publication number
JPS5540493A
JPS5540493A JP10871379A JP10871379A JPS5540493A JP S5540493 A JPS5540493 A JP S5540493A JP 10871379 A JP10871379 A JP 10871379A JP 10871379 A JP10871379 A JP 10871379A JP S5540493 A JPS5540493 A JP S5540493A
Authority
JP
Japan
Prior art keywords
copy
half tone
tone original
controlling resolution
resolution
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.)
Granted
Application number
JP10871379A
Other languages
Japanese (ja)
Other versions
JPS6122296B2 (en
Inventor
Georuku Kunoopu Hansu
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 JPS5540493A publication Critical patent/JPS5540493A/en
Publication of JPS6122296B2 publication Critical patent/JPS6122296B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/409Edge or detail enhancement; Noise or error suppression
    • H04N1/4092Edge or detail enhancement
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/58Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Color Image Communication Systems (AREA)
  • Image Processing (AREA)
JP10871379A 1972-06-02 1979-08-28 Device for controlling resolution of copy from half tone original Granted JPS5540493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722226990 DE2226990C3 (en) 1972-06-02 1972-06-02 Arrangement to improve the sharpness when recording halftone images

Publications (2)

Publication Number Publication Date
JPS5540493A true JPS5540493A (en) 1980-03-21
JPS6122296B2 JPS6122296B2 (en) 1986-05-31

Family

ID=5846691

Family Applications (3)

Application Number Title Priority Date Filing Date
JP6247873A Expired JPS5513025B2 (en) 1972-06-02 1973-06-01
JP10871379A Granted JPS5540493A (en) 1972-06-02 1979-08-28 Device for controlling resolution of copy from half tone original
JP10871279A Granted JPS5540492A (en) 1972-06-02 1979-08-28 Device for controlling resolution of copy from half tone original

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP6247873A Expired JPS5513025B2 (en) 1972-06-02 1973-06-01

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP10871279A Granted JPS5540492A (en) 1972-06-02 1979-08-28 Device for controlling resolution of copy from half tone original

Country Status (7)

Country Link
JP (3) JPS5513025B2 (en)
CH (1) CH551645A (en)
DD (1) DD103978A5 (en)
DE (1) DE2226990C3 (en)
FR (1) FR2187139A5 (en)
GB (1) GB1424410A (en)
SU (1) SU503552A3 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62176370A (en) * 1986-01-30 1987-08-03 Usac Electronics Ind Co Ltd Image reader
JPS62188473A (en) * 1985-10-31 1987-08-18 クロスフィールド エレクトロニクス リミティド Method of creating electronic display of original image
JPS62251978A (en) * 1986-04-25 1987-11-02 Hitachi Ltd Image emphasizing system
JPS62272757A (en) * 1986-05-21 1987-11-26 Matsushita Graphic Commun Syst Inc Partial pseudo halftone picture reader
JPH02148036A (en) * 1988-11-30 1990-06-06 Toppan Printing Co Ltd Scanner system
JPH0364266A (en) * 1989-08-02 1991-03-19 Canon Inc Image processor
US6181819B1 (en) 1989-08-02 2001-01-30 Canon Kabushiki Kaisha Image processing apparatus including means for judging a chromatic portion of an image
WO2013035661A1 (en) * 2011-09-07 2013-03-14 株式会社ニコン Substrate processing device

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50156815A (en) * 1974-06-07 1975-12-18
JPS5264001U (en) * 1975-11-06 1977-05-12
DE2708421C2 (en) * 1977-02-26 1982-01-14 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method for mixing signals in the production of printing formes
JPS55146451A (en) * 1979-05-02 1980-11-14 Dainippon Screen Mfg Co Ltd Sharpness emphasis method in image scanning recorder
FR2467078A1 (en) * 1979-10-11 1981-04-17 Machulka Grigory Laser beam producing printing blocks - synchronously scans and modulates for line and half tone structures using sawtooth pulse generator and comparator
US4538182A (en) * 1981-05-11 1985-08-27 Canon Kabushiki Kaisha Image processing apparatus
JPS5814270A (en) * 1981-07-17 1983-01-27 Fuji Photo Film Co Ltd Picture scanning and recording method
DE3139483C2 (en) * 1981-10-03 1985-06-13 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method and circuit arrangement for increasing contrast
ATE18815T1 (en) * 1982-07-03 1986-04-15 Hell Rudolf Dr Ing Gmbh METHOD AND ARRANGEMENT FOR CONTRAST ENHANCEMENT.
JPS6054570A (en) * 1983-09-05 1985-03-29 Fuji Photo Film Co Ltd System for emphasizing sharpness of picture
JPS62297991A (en) * 1986-06-18 1987-12-25 芝浦メカトロニクス株式会社 Empty can recovery machine
JPH05246009A (en) * 1992-03-06 1993-09-24 Kanazawa Seal:Kk Forming method of braille point

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS557557B2 (en) * 1972-08-16 1980-02-26

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188473A (en) * 1985-10-31 1987-08-18 クロスフィールド エレクトロニクス リミティド Method of creating electronic display of original image
JPS62176370A (en) * 1986-01-30 1987-08-03 Usac Electronics Ind Co Ltd Image reader
JPS62251978A (en) * 1986-04-25 1987-11-02 Hitachi Ltd Image emphasizing system
JPS62272757A (en) * 1986-05-21 1987-11-26 Matsushita Graphic Commun Syst Inc Partial pseudo halftone picture reader
JPH02148036A (en) * 1988-11-30 1990-06-06 Toppan Printing Co Ltd Scanner system
JPH0364266A (en) * 1989-08-02 1991-03-19 Canon Inc Image processor
US6181819B1 (en) 1989-08-02 2001-01-30 Canon Kabushiki Kaisha Image processing apparatus including means for judging a chromatic portion of an image
WO2013035661A1 (en) * 2011-09-07 2013-03-14 株式会社ニコン Substrate processing device

Also Published As

Publication number Publication date
JPS4957716A (en) 1974-06-05
JPS6124708B2 (en) 1986-06-12
SU503552A3 (en) 1976-02-15
JPS5540492A (en) 1980-03-21
FR2187139A5 (en) 1974-01-11
DE2226990B2 (en) 1975-04-30
DE2226990A1 (en) 1973-12-13
GB1424410A (en) 1976-02-11
DD103978A5 (en) 1974-02-12
CH551645A (en) 1974-07-15
JPS5513025B2 (en) 1980-04-05
DE2226990C3 (en) 1976-01-02
JPS6122296B2 (en) 1986-05-31

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