JPS56162759A - Copying method and device - Google Patents

Copying method and device

Info

Publication number
JPS56162759A
JPS56162759A JP5326281A JP5326281A JPS56162759A JP S56162759 A JPS56162759 A JP S56162759A JP 5326281 A JP5326281 A JP 5326281A JP 5326281 A JP5326281 A JP 5326281A JP S56162759 A JPS56162759 A JP S56162759A
Authority
JP
Japan
Prior art keywords
copying method
copying
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.)
Pending
Application number
JP5326281A
Other languages
English (en)
Inventor
Deii Kahiru Risuru
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.)
Coulter Systems Corp
Original Assignee
Coulter Systems Corp
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 Coulter Systems Corp filed Critical Coulter Systems Corp
Publication of JPS56162759A publication Critical patent/JPS56162759A/ja
Pending 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
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Control Or Security For Electrophotography (AREA)
JP5326281A 1980-04-11 1981-04-10 Copying method and device Pending JPS56162759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/139,464 US4439789A (en) 1980-04-11 1980-04-11 Binary scan system

Publications (1)

Publication Number Publication Date
JPS56162759A true JPS56162759A (en) 1981-12-14

Family

ID=22486791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5326281A Pending JPS56162759A (en) 1980-04-11 1981-04-10 Copying method and device

Country Status (5)

Country Link
US (1) US4439789A (ja)
EP (1) EP0038049A3 (ja)
JP (1) JPS56162759A (ja)
AU (1) AU542987B2 (ja)
CA (1) CA1179727A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6173477A (ja) * 1984-09-19 1986-04-15 Minolta Camera Co Ltd 画像処理方法
US4758886A (en) * 1986-07-24 1988-07-19 Minnesota Mining And Manufacturing Company Optimal color half-tone patterns for raster-scan images
US4897880A (en) * 1987-02-17 1990-01-30 Soricon Corporation Data acquisition control method and system for a hand held reader
US4833486A (en) * 1987-07-08 1989-05-23 Dataproducts Corporation Ink jet image transfer lithographic
US5335293A (en) * 1992-06-16 1994-08-02 Key Technology, Inc. Product inspection method and apparatus
US6352330B1 (en) 2000-03-01 2002-03-05 Eastman Kodak Company Ink jet plate maker and proofer apparatus and method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730567A (en) * 1950-06-15 1956-01-10 Times Facsimile Corp Facsimile scanning method and apparatus for predetermined signal output and contrast
US3159815A (en) * 1961-11-29 1964-12-01 Ibm Digitalization system for multi-track optical character sensing
DE1283963B (de) * 1962-10-25 1968-11-28 Siemens Ag Verfahren zur steuerbaren Richtungsablenkung optischer Strahlung, insbesondere von Laser-Strahlung, und Vorrichtung zur Durchfuehrung desselben
US3604846A (en) * 1969-03-03 1971-09-14 Mead Corp Method and system for reconstruction of half-tone images
JPS5233523B1 (ja) * 1971-02-18 1977-08-29
DE2322473A1 (de) * 1973-05-04 1974-11-21 Philips Patentverwaltung Faksimile-geraet zum schreiben und lesen von mechanisch bewegten vorlagen
US3991318A (en) * 1973-09-28 1976-11-09 Bell Telephone Laboratories, Incorporated Optical detection systems utilizing organ arrays of optical fibers
US4025339A (en) * 1974-01-18 1977-05-24 Coulter Information Systems, Inc. Electrophotographic film, method of making the same and photoconductive coating used therewith
US4051536A (en) * 1975-03-14 1977-09-27 Xerox Corporation Electronic halftone imaging system
US4046471A (en) * 1975-11-03 1977-09-06 International Business Machines Corporation Dual mode electrophotographic apparatus having dual function printing beam
NL7701811A (nl) * 1977-02-21 1978-08-23 Philips Nv Televisiekamera voorzien van een diafragma- regeling en een regelbare beeldsignaalver- sterkingsschakeling.
DE2748266B2 (de) * 1977-10-27 1979-12-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zum optoelektrischen Abtasten einer Vortage
FR2437125A1 (fr) * 1978-09-21 1980-04-18 Cit Alcatel Dispositif de traitement d'un signal d'analyse d'image
US4196453A (en) * 1978-12-01 1980-04-01 Xerox Corporation Image screening system
US4196452A (en) * 1978-12-01 1980-04-01 Xerox Corporation Tone error control for image contour removal
US4468706A (en) * 1979-02-13 1984-08-28 Coulter Systems Corporation Imaging by varying the placement of elements in the pixels

Also Published As

Publication number Publication date
US4439789A (en) 1984-03-27
AU6940981A (en) 1981-10-15
EP0038049A2 (en) 1981-10-21
CA1179727A (en) 1984-12-18
AU542987B2 (en) 1985-03-28
EP0038049A3 (en) 1982-06-02

Similar Documents

Publication Publication Date Title
AU550705B2 (en) Astomotic device and method
GB2082314B (en) Combustion method and apparatus
JPS5777405A (en) Winding method and its device
JPS5745510A (en) Automatically focusing method and device
DE3176400D1 (en) Coextrusion device and method
JPS572068A (en) Developing method and device
JPS57198631A (en) Exposing method and device
HK13387A (en) Verifying method and device
JPS57185060A (en) Copying method and apparatus
DE3173098D1 (en) Device and method for enclosing objects
JPS57200056A (en) Electrophotographic method and apparatus
JPS572065A (en) Developing method and device
JPS5617359A (en) Method and device for copying
JPS57126668A (en) Method and device for successively copying manuscript
JPS56133731A (en) Device and method for matching original
JPS5727412A (en) Encoding method and device
DE3174648D1 (en) Electrographic method and apparatus
DE3370382D1 (en) Electrophotographic method and apparatus
JPS56162759A (en) Copying method and device
GB2063158B (en) Copying method and apparatus
JPS57161735A (en) Copying method and apparatus
JPS57101043A (en) Transfering method and apparatus
JPS56107231A (en) Method and device for copying
DE3263850D1 (en) Method and device for magnetographic copying
JPS5741650A (en) Method and device for developing with toner