FR849403A - - Google Patents

Info

Publication number
FR849403A
FR849403A FR849403DA FR849403A FR 849403 A FR849403 A FR 849403A FR 849403D A FR849403D A FR 849403DA FR 849403 A FR849403 A FR 849403A
Authority
FR
France
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
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.)
Publication date
Application granted granted Critical
Publication of FR849403A publication Critical patent/FR849403A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00Screening processes; Screens therefor
    • G03F5/02Screening processes; Screens therefor by projection methods
    • G03F5/04Screening processes; Screens therefor by projection methods changing the screen effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
FR849403D 1938-01-25 Expired FR849403A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE220769X 1938-01-25

Publications (1)

Publication Number Publication Date
FR849403A true FR849403A (fr) 1939-11-23

Family

ID=5836377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849403D Expired FR849403A (fr) 1938-01-25

Country Status (4)

Country Link
US (1) US2282337A (fr)
CH (1) CH220769A (fr)
FR (1) FR849403A (fr)
NL (1) NL51010C (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478980A (en) * 1944-07-29 1949-08-16 Verneur E Pratt Photographic projecting, enlarging, copying, and contact printing device
US2448084A (en) * 1945-04-02 1948-08-31 Valter V Davis Scanning camera
US2459552A (en) * 1945-08-07 1949-01-18 Justus S Stoner Apparatus for producing photographic multiple copies
US2596115A (en) * 1945-12-26 1952-05-13 Lucien C Austin Screened positive for use in preparation of intaglio printing plates and method of making said positive
US2562077A (en) * 1947-08-29 1951-07-24 Douglas F Winnek Composite stereography
US2953061A (en) * 1956-06-20 1960-09-20 William A Pfaff Camera
US3076379A (en) * 1959-05-27 1963-02-05 Jersey Prod Res Co Method and apparatus for making variable density seismic depth sections
US3107595A (en) * 1960-09-30 1963-10-22 Pike Milton Screen printing device
US3120790A (en) * 1961-08-30 1964-02-11 Xerox Corp Xerographic exposure apparatus
DE1204066B (de) * 1961-08-30 1965-10-28 Rank Xerox Ltd Vorrichtung zum Aufteilen der elektrostatischen Ladung auf der Oberflaeche einer xerographischen Platte in ein Linienmuster
US3985432A (en) * 1974-07-31 1976-10-12 Addressograph Multigraph Corporation Modulator screen drum assembly

Also Published As

Publication number Publication date
CH220769A (de) 1942-04-30
NL51010C (fr)
US2282337A (en) 1942-05-12

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