FR2002400A7 - - Google Patents

Info

Publication number
FR2002400A7
FR2002400A7 FR6904331A FR6904331A FR2002400A7 FR 2002400 A7 FR2002400 A7 FR 2002400A7 FR 6904331 A FR6904331 A FR 6904331A FR 6904331 A FR6904331 A FR 6904331A FR 2002400 A7 FR2002400 A7 FR 2002400A7
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
FR6904331A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR2002400A7 publication Critical patent/FR2002400A7/fr
Expired 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
FR6904331A 1968-02-22 1969-02-20 Expired FR2002400A7 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0065406 1968-02-22

Publications (1)

Publication Number Publication Date
FR2002400A7 true FR2002400A7 (en) 1969-10-17

Family

ID=7163144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6904331A Expired FR2002400A7 (en) 1968-02-22 1969-02-20

Country Status (3)

Country Link
US (1) US3671666A (en)
FR (1) FR2002400A7 (en)
GB (1) GB1256145A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440640A (en) * 1977-09-06 1979-03-30 Ricoh Co Ltd Complex copying apparatus
US4430668A (en) 1981-08-10 1984-02-07 Miles Jr Ernest P Digital FACSIMILES (Fast Additive Color Separation Internegatives MILES)
DE3442955A1 (en) * 1984-11-24 1986-06-05 Agfa-Gevaert Ag, 5090 Leverkusen METHOD AND DEVICE FOR PRODUCING PHOTOGRAPHIC IMAGES BY SPOTLY EXPOSURE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854315A (en) * 1929-06-13 1932-04-19 Siemens Ag Transmission of colored pictures
GB1097735A (en) * 1964-09-23 1968-01-03 Kyte Derek John Improvements in or relating to printing
US3461229A (en) * 1965-08-17 1969-08-12 Jess Oppenheimer Electro-optical reproduction method

Also Published As

Publication number Publication date
US3671666A (en) 1972-06-20
DE1622336A1 (en) 1970-09-17
DE1622336B2 (en) 1975-11-27
GB1256145A (en) 1971-12-08

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Legal Events

Date Code Title Description
CN Change in juridical nature