BE828480A - Enregistrement sequentiel d'aires ponctuelles module par l'image - Google Patents

Enregistrement sequentiel d'aires ponctuelles module par l'image

Info

Publication number
BE828480A
BE828480A BE155855A BE155855A BE828480A BE 828480 A BE828480 A BE 828480A BE 155855 A BE155855 A BE 155855A BE 155855 A BE155855 A BE 155855A BE 828480 A BE828480 A BE 828480A
Authority
BE
Belgium
Prior art keywords
image
sequential recording
areas module
punctual
punctual areas
Prior art date
Application number
BE155855A
Other languages
English (en)
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 filed Critical
Publication of BE828480A publication Critical patent/BE828480A/fr

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
BE155855A 1974-07-15 1975-04-28 Enregistrement sequentiel d'aires ponctuelles module par l'image BE828480A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/488,389 US3961132A (en) 1974-07-15 1974-07-15 Sequential image-modulated dot-area recording

Publications (1)

Publication Number Publication Date
BE828480A true BE828480A (fr) 1975-08-18

Family

ID=23939547

Family Applications (1)

Application Number Title Priority Date Filing Date
BE155855A BE828480A (fr) 1974-07-15 1975-04-28 Enregistrement sequentiel d'aires ponctuelles module par l'image

Country Status (4)

Country Link
US (1) US3961132A (fr)
BE (1) BE828480A (fr)
CA (1) CA1056051A (fr)
GB (1) GB1476558A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149194A (en) * 1977-07-07 1979-04-10 Xerox Corporation Variable angle electronic halftone screening
US4185304A (en) * 1977-07-07 1980-01-22 Xerox Corporation Electronic halftone screening
US4128830A (en) * 1977-09-26 1978-12-05 International Business Machines Corporation Apparatus for providing a compensation signal for individual light sensors arranged in a predetermined relation
DE2805874C3 (de) * 1978-02-11 1987-04-16 Thomas E. Fausel Verfahren zum Herstellen einer Tiefdruckform
US4184206A (en) * 1978-03-07 1980-01-15 Hughes Aircraft Company Subpixel X-Y coordinate encoding
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
US4430748A (en) 1981-09-21 1984-02-07 Xerox Corporation Image thresholding system
DE3413699A1 (de) * 1983-04-12 1984-10-18 Canon K.K., Tokio/Tokyo Bildverarbeitungssystem
US5253082A (en) * 1988-03-10 1993-10-12 Canon Kabushiki Kaisha Image forming apparatus
US5081528A (en) * 1988-03-10 1992-01-14 Canon Kabushiki Kaisha Image forming apparatus
EP0334518B1 (fr) * 1988-03-10 1997-10-15 Canon Kabushiki Kaisha Appareil pour la formation d'une image
US4916530A (en) * 1988-09-02 1990-04-10 Itek Graphix Corp. High resolution halftone dot generator system including LED array
US5170261A (en) * 1990-11-21 1992-12-08 Polaroid Corporation Printing method
ES2103829T3 (es) * 1990-11-21 1997-10-01 Polaroid Corp Un procedimiento de impresion.
US5404411A (en) * 1990-12-27 1995-04-04 Xerox Corporation Bitmap-image pattern matching apparatus for correcting bitmap errors in a printing system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3646262A (en) * 1968-03-25 1972-02-29 Printing Dev Inc Electronic reproduction of continuous image with controlled modification of image reproduction
DE1772367C3 (de) * 1968-05-04 1974-10-31 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur gerasterten Reproduktion von Halbtonbildern
US3465199A (en) * 1968-11-26 1969-09-02 Rca Corp Electronic halftone image generator
JPS5141447B1 (fr) * 1971-02-25 1976-11-10
US3742129A (en) * 1971-07-07 1973-06-26 Harris Intertype Corp Apparatus and method for generating halftones for image reproduction
US3816659A (en) * 1972-10-13 1974-06-11 Perkin Elmer Corp Scanning apparatus

Also Published As

Publication number Publication date
CA1056051A (fr) 1979-06-05
US3961132A (en) 1976-06-01
GB1476558A (en) 1977-06-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LOG ESCAN SYSTEMS INC.

Effective date: 19930430