FR2205793A1 - - Google Patents

Info

Publication number
FR2205793A1
FR2205793A1 FR7338872A FR7338872A FR2205793A1 FR 2205793 A1 FR2205793 A1 FR 2205793A1 FR 7338872 A FR7338872 A FR 7338872A FR 7338872 A FR7338872 A FR 7338872A FR 2205793 A1 FR2205793 A1 FR 2205793A1
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.)
Withdrawn
Application number
FR7338872A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 NL7301978A external-priority patent/NL7301978A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2205793A1 publication Critical patent/FR2205793A1/fr
Withdrawn legal-status Critical Current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
    • H04N1/40—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)
  • Image Processing (AREA)
FR7338872A 1972-11-03 1973-10-31 Withdrawn FR2205793A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7214861 1972-11-03
NL7301978A NL7301978A (ja) 1973-02-13 1973-02-13

Publications (1)

Publication Number Publication Date
FR2205793A1 true FR2205793A1 (ja) 1974-05-31

Family

ID=26644820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7338872A Withdrawn FR2205793A1 (ja) 1972-11-03 1973-10-31

Country Status (5)

Country Link
JP (1) JPS4996617A (ja)
AU (1) AU6202373A (ja)
DE (1) DE2351986A1 (ja)
FR (1) FR2205793A1 (ja)
IT (1) IT999166B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826229B2 (ja) * 1975-04-22 1983-06-01 理化学研究所 ニチガゾウヨミトリホウホウ
DE2545961C3 (de) * 1975-10-14 1983-12-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Vorrichtung zum Herstellen von korrigierten Farbauszügen
JPS54169422U (ja) * 1978-05-19 1979-11-30
JPS5596764A (en) * 1979-01-18 1980-07-23 Matsushita Graphic Commun Syst Inc Half tone reproducing circuit
JPS5672580A (en) * 1979-11-17 1981-06-16 Oki Electric Ind Co Ltd Read signal processor
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932019A (ja) * 1972-07-26 1974-03-23

Also Published As

Publication number Publication date
IT999166B (it) 1976-02-20
DE2351986A1 (de) 1974-05-16
AU6202373A (en) 1975-05-01
JPS4996617A (ja) 1974-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse