DK111083B - Machine for perforating a stencil by electric means. - Google Patents

Machine for perforating a stencil by electric means.

Info

Publication number
DK111083B
DK111083B DK287766A DK287766A DK111083B DK 111083 B DK111083 B DK 111083B DK 287766 A DK287766 A DK 287766A DK 287766 A DK287766 A DK 287766A DK 111083 B DK111083 B DK 111083B
Authority
DK
Denmark
Prior art keywords
stencil
perforating
machine
electric means
electric
Prior art date
Application number
DK287766A
Other languages
Danish (da)
Inventor
K Friedrichs
K Zeuthen
B Gobel
Original Assignee
Zeuthen & Aagaard As
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 Zeuthen & Aagaard As filed Critical Zeuthen & Aagaard As
Priority to DK287766A priority Critical patent/DK111083B/en
Priority to SE07770/67A priority patent/SE325779B/xx
Priority to DE1967Z0012871 priority patent/DE1588967C3/en
Priority to GB2553367A priority patent/GB1194717A/en
Publication of DK111083B publication Critical patent/DK111083B/en

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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
DK287766A 1966-06-03 1966-06-03 Machine for perforating a stencil by electric means. DK111083B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK287766A DK111083B (en) 1966-06-03 1966-06-03 Machine for perforating a stencil by electric means.
SE07770/67A SE325779B (en) 1966-06-03 1967-06-02
DE1967Z0012871 DE1588967C3 (en) 1966-06-03 1967-06-02 Machine for electrically perforating a stencil
GB2553367A GB1194717A (en) 1966-06-03 1967-06-02 Improvements in and relating to a Machine for Perforating a Stencil Electrically

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK287766A DK111083B (en) 1966-06-03 1966-06-03 Machine for perforating a stencil by electric means.

Publications (1)

Publication Number Publication Date
DK111083B true DK111083B (en) 1968-05-27

Family

ID=8116706

Family Applications (1)

Application Number Title Priority Date Filing Date
DK287766A DK111083B (en) 1966-06-03 1966-06-03 Machine for perforating a stencil by electric means.

Country Status (4)

Country Link
DE (1) DE1588967C3 (en)
DK (1) DK111083B (en)
GB (1) GB1194717A (en)
SE (1) SE325779B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK118275B (en) * 1968-03-14 1970-07-27 Zeuthen & Aagaard As Apparatus for electrically perforating a stencil.
USRE30911E (en) 1977-11-25 1982-04-20 The Mead Corporation Optical scanning and encoding device
US4151555A (en) * 1977-11-25 1979-04-24 The Mead Corporation Optical scanning and encoding device
ATE167111T1 (en) * 1996-04-19 1998-06-15 Schablonentechnik Kufstein Ag HALFTONE STENCIL AND METHOD AND DEVICE FOR PRODUCING IT

Also Published As

Publication number Publication date
DE1588967B2 (en) 1978-07-06
GB1194717A (en) 1970-06-10
DE1588967C3 (en) 1979-03-08
SE325779B (en) 1970-07-06
DE1588967A1 (en) 1971-02-18

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