JPS5054215A - - Google Patents

Info

Publication number
JPS5054215A
JPS5054215A JP49051732A JP5173274A JPS5054215A JP S5054215 A JPS5054215 A JP S5054215A JP 49051732 A JP49051732 A JP 49051732A JP 5173274 A JP5173274 A JP 5173274A JP S5054215 A JPS5054215 A JP S5054215A
Authority
JP
Japan
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.)
Pending
Application number
JP49051732A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS5054215A publication Critical patent/JPS5054215A/ja
Pending 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
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
JP49051732A 1973-05-09 1974-05-09 Pending JPS5054215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732323222 DE2323222A1 (en) 1973-05-09 1973-05-09 METHOD AND DEVICE FOR THE ELECTROOPTICAL REPRODUCTION OF HALFTONE IMAGES

Publications (1)

Publication Number Publication Date
JPS5054215A true JPS5054215A (en) 1975-05-13

Family

ID=5880305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49051732A Pending JPS5054215A (en) 1973-05-09 1974-05-09

Country Status (2)

Country Link
JP (1) JPS5054215A (en)
DE (1) DE2323222A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559576A (en) * 1978-07-07 1980-01-23 Nec Corp Dot image exposure device
JPS5533349A (en) * 1978-08-30 1980-03-08 Ricoh Co Ltd Intermediate gradation processing system by binary value

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1451082A (en) * 1973-10-02 1976-09-29 Crosfield Electronics Ltd Exposing scanners for image reproduction
US5642436A (en) * 1990-07-18 1997-06-24 Linotype-Hell Ag Method for generating and storing digitalized density threshold values for the rastering of a half-tone picture original
DE4022772A1 (en) * 1990-07-18 1992-02-13 Linotype Ag METHOD FOR GENERATING AND STORING DIGITALIZED DENSITY THRESHOLD VALUES FOR SCREENING A HALFTONE IMAGE ORIGINAL

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559576A (en) * 1978-07-07 1980-01-23 Nec Corp Dot image exposure device
JPS5533349A (en) * 1978-08-30 1980-03-08 Ricoh Co Ltd Intermediate gradation processing system by binary value
JPS6356752B2 (en) * 1978-08-30 1988-11-09 Ricoh Kk

Also Published As

Publication number Publication date
DE2323222A1 (en) 1974-11-14

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