JPS4883724A - - Google Patents

Info

Publication number
JPS4883724A
JPS4883724A JP47013318A JP1331872A JPS4883724A JP S4883724 A JPS4883724 A JP S4883724A JP 47013318 A JP47013318 A JP 47013318A JP 1331872 A JP1331872 A JP 1331872A JP S4883724 A JPS4883724 A JP S4883724A
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
JP47013318A
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
Priority to JP47013318A priority Critical patent/JPS4883724A/ja
Priority to DE19732305513 priority patent/DE2305513A1/en
Priority to FR7304514A priority patent/FR2171316B1/fr
Publication of JPS4883724A publication Critical patent/JPS4883724A/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
    • H04N1/4055—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
    • H04N1/4056—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 the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP47013318A 1972-02-08 1972-02-08 Pending JPS4883724A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP47013318A JPS4883724A (en) 1972-02-08 1972-02-08
DE19732305513 DE2305513A1 (en) 1972-02-08 1973-02-05 METHOD OF REPLAYING HALFTONE IN IMAGE TRANSMISSION SYSTEMS
FR7304514A FR2171316B1 (en) 1972-02-08 1973-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47013318A JPS4883724A (en) 1972-02-08 1972-02-08

Publications (1)

Publication Number Publication Date
JPS4883724A true JPS4883724A (en) 1973-11-08

Family

ID=11829808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47013318A Pending JPS4883724A (en) 1972-02-08 1972-02-08

Country Status (3)

Country Link
JP (1) JPS4883724A (en)
DE (1) DE2305513A1 (en)
FR (1) FR2171316B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50116215A (en) * 1974-02-26 1975-09-11
JPS51132726A (en) * 1975-05-14 1976-11-18 Kokusai Electric Co Ltd Image-display unit
JPS5694875A (en) * 1979-12-28 1981-07-31 Fujitsu Ltd Binary signal processor
JPS5694874A (en) * 1979-12-28 1981-07-31 Fujitsu Ltd Video signal processor
JPS5694876A (en) * 1979-12-27 1981-07-31 Fujitsu Ltd Video signal processing method
JPS57205787A (en) * 1981-06-15 1982-12-16 Tokyo Shibaura Electric Co Half tone display system
JPS6241193U (en) * 1977-03-03 1987-03-12

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56109068A (en) * 1980-02-04 1981-08-29 Nippon Telegr & Teleph Corp <Ntt> Recorder for multitone
DE3130207C2 (en) * 1980-07-31 1986-03-06 Matsushita Research Institute Tokyo, Inc., Kawasaki, Kanagawa Dot printer with a recording head
DE3641592A1 (en) * 1985-12-06 1987-06-11 Canon Kk IMAGE DATA PROCESSING DEVICE
DE3751916D1 (en) * 1986-12-19 1996-10-24 Matsushita Electric Ind Co Ltd Device for processing signals for displaying images with two levels

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50116215A (en) * 1974-02-26 1975-09-11
JPS51132726A (en) * 1975-05-14 1976-11-18 Kokusai Electric Co Ltd Image-display unit
JPS6241193U (en) * 1977-03-03 1987-03-12
JPS6350710Y2 (en) * 1977-03-03 1988-12-27
JPS5694876A (en) * 1979-12-27 1981-07-31 Fujitsu Ltd Video signal processing method
JPS5694875A (en) * 1979-12-28 1981-07-31 Fujitsu Ltd Binary signal processor
JPS5694874A (en) * 1979-12-28 1981-07-31 Fujitsu Ltd Video signal processor
JPS57205787A (en) * 1981-06-15 1982-12-16 Tokyo Shibaura Electric Co Half tone display system

Also Published As

Publication number Publication date
DE2305513A1 (en) 1973-08-16
FR2171316B1 (en) 1977-08-19
FR2171316A1 (en) 1973-09-21

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