FR950434A - Image reproduction method and apparatus - Google Patents

Image reproduction method and apparatus

Info

Publication number
FR950434A
FR950434A FR950434DA FR950434A FR 950434 A FR950434 A FR 950434A FR 950434D A FR950434D A FR 950434DA FR 950434 A FR950434 A FR 950434A
Authority
FR
France
Prior art keywords
image reproduction
reproduction method
image
reproduction
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
Other languages
French (fr)
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.)
Interchemical Corp
Original Assignee
Interchemical 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
Priority claimed from US343962A external-priority patent/US2294643A/en
Application filed by Interchemical Corp filed Critical Interchemical Corp
Application granted granted Critical
Publication of FR950434A publication Critical patent/FR950434A/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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/68—Preparation processes not covered by groups G03F1/20 - G03F1/50
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
FR950434D 1940-07-05 1947-07-29 Image reproduction method and apparatus Expired FR950434A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US343962A US2294643A (en) 1940-07-05 1940-07-05 Method and apparatus for reproducing pictures
US406120A US2294644A (en) 1940-07-05 1941-08-09 Contrast images for making printing plates
US406121A US2294645A (en) 1940-07-05 1941-08-09 Printing plate

Publications (1)

Publication Number Publication Date
FR950434A true FR950434A (en) 1949-09-27

Family

ID=27407590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950434D Expired FR950434A (en) 1940-07-05 1947-07-29 Image reproduction method and apparatus

Country Status (3)

Country Link
US (2) US2294644A (en)
FR (1) FR950434A (en)
GB (1) GB656235A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946329C (en) * 1952-03-20 1956-07-26 Hell Rudolf Dr Ing Fa Process for the production of screened clichés using the methods of image telegraphy

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552209A (en) * 1947-09-17 1951-05-08 Eastman Kodak Co Fusion photothermography
US2579824A (en) * 1949-07-11 1951-12-25 Thurman W Horn Oil testing chart and holder therefor
NL263106A (en) * 1960-04-01
US4189752A (en) * 1973-11-12 1980-02-19 Printing Developments, Inc. Electronic screening with galvanometer recorders
US4758886A (en) * 1986-07-24 1988-07-19 Minnesota Mining And Manufacturing Company Optimal color half-tone patterns for raster-scan images

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946329C (en) * 1952-03-20 1956-07-26 Hell Rudolf Dr Ing Fa Process for the production of screened clichés using the methods of image telegraphy

Also Published As

Publication number Publication date
GB656235A (en) 1951-08-15
US2294645A (en) 1942-09-01
US2294644A (en) 1942-09-01

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