GB316998A - Improvements in or relating to screen processes for illustration printing - Google Patents

Improvements in or relating to screen processes for illustration printing

Info

Publication number
GB316998A
GB316998A GB806629A GB806629A GB316998A GB 316998 A GB316998 A GB 316998A GB 806629 A GB806629 A GB 806629A GB 806629 A GB806629 A GB 806629A GB 316998 A GB316998 A GB 316998A
Authority
GB
United Kingdom
Prior art keywords
relating
screen processes
illustration printing
screen
printing
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
GB806629A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB316998A publication Critical patent/GB316998A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/02—Screening processes; Screens therefor by projection methods
    • G03F5/08—Screening processes; Screens therefor by projection methods using line screens
    • 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
    • H04N1/23—Reproducing arrangements

Abstract

316,998. Siemens & Halske Akt.-Ges. Aug. 8, 1928, [Convention date]. Drawings to Specification. Photo-mechanical printing-surfaces.-To obtain enlarged or reduced reproductions of telegraphically-transmitted or other pictures having screen lines of varying widths, a photographic reproduction is made using a line screen (say 20 to 50 per cm.), the ruling being disposed at an angle with the lining of the picture.
GB806629A 1928-08-08 1929-03-12 Improvements in or relating to screen processes for illustration printing Expired GB316998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES86952D DE477540C (en) 1928-08-08 1928-08-08 Rasterization process for illustration printing of, in particular, telegraphic images with raster lines of varying width

Publications (1)

Publication Number Publication Date
GB316998A true GB316998A (en) 1930-06-05

Family

ID=7513396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB806629A Expired GB316998A (en) 1928-08-08 1929-03-12 Improvements in or relating to screen processes for illustration printing

Country Status (3)

Country Link
DE (1) DE477540C (en)
FR (1) FR671753A (en)
GB (1) GB316998A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624278A (en) * 1969-11-19 1971-11-30 Technical Operations Inc Area multiplex image recording by flying spot raster scanning employing spatial filtering
IL91054A0 (en) * 1989-07-20 1990-02-09
US5793500A (en) * 1989-07-20 1998-08-11 Netz; Yoel Devices and methods for offset and similar printing systems

Also Published As

Publication number Publication date
DE477540C (en) 1929-06-10
FR671753A (en) 1929-12-18

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