CH591793A5 - - Google Patents

Info

Publication number
CH591793A5
CH591793A5 CH1363475A CH1363475A CH591793A5 CH 591793 A5 CH591793 A5 CH 591793A5 CH 1363475 A CH1363475 A CH 1363475A CH 1363475 A CH1363475 A CH 1363475A CH 591793 A5 CH591793 A5 CH 591793A5
Authority
CH
Switzerland
Application number
CH1363475A
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH591793A5 publication Critical patent/CH591793A5/xx

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
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
CH1363475A 1974-10-24 1975-10-21 CH591793A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742450529 DE2450529C3 (en) 1974-10-24 1974-10-24 Method and device for generating binary signals

Publications (1)

Publication Number Publication Date
CH591793A5 true CH591793A5 (en) 1977-09-30

Family

ID=5929061

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1363475A CH591793A5 (en) 1974-10-24 1975-10-21

Country Status (6)

Country Link
AT (1) AT344258B (en)
CH (1) CH591793A5 (en)
DE (1) DE2450529C3 (en)
FR (1) FR2290110A1 (en)
GB (1) GB1518177A (en)
NL (1) NL7512440A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814891C3 (en) * 1978-04-06 1982-02-11 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for converting a video signal into a black and white signal
US4200861A (en) * 1978-09-01 1980-04-29 View Engineering, Inc. Pattern recognition apparatus and method
US4326258A (en) * 1980-01-31 1982-04-20 Ncr Canada Ltd - Ncr Canada Ltee Method and apparatus for reducing the gray scale resolution of a digitized image
US4399469A (en) * 1980-04-23 1983-08-16 American Hoechst Corporation Imaging system and method with improved boundary detection
DE3413651C3 (en) * 1983-04-12 1997-11-20 Canon Kk Image signal processing device
GB2157113B (en) * 1984-04-05 1987-06-24 British Library Board Improved threshold detector
DE29700983U1 (en) * 1997-01-22 1997-03-13 Irion Sen Erhard Arrangement for outputting an image recorded by means of a video camera through a fax machine

Also Published As

Publication number Publication date
DE2450529C3 (en) 1979-01-25
FR2290110A1 (en) 1976-05-28
AT344258B (en) 1978-07-10
NL7512440A (en) 1976-04-27
ATA801975A (en) 1977-11-15
GB1518177A (en) 1978-07-19
DE2450529A1 (en) 1976-04-29
FR2290110B1 (en) 1982-10-15
DE2450529B2 (en) 1978-05-24

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Legal Events

Date Code Title Description
PL Patent ceased