JPH0326140B2 - - Google Patents

Info

Publication number
JPH0326140B2
JPH0326140B2 JP55076796A JP7679680A JPH0326140B2 JP H0326140 B2 JPH0326140 B2 JP H0326140B2 JP 55076796 A JP55076796 A JP 55076796A JP 7679680 A JP7679680 A JP 7679680A JP H0326140 B2 JPH0326140 B2 JP H0326140B2
Authority
JP
Japan
Prior art keywords
pixel
gradation
paper
signal
heating
Prior art date
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 - Lifetime
Application number
JP55076796A
Other languages
English (en)
Japanese (ja)
Other versions
JPS572774A (en
Inventor
Kazunari Kubota
Yukio Tokunaga
Shigeki Ishii
Yasuhisa Ikeda
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7679680A priority Critical patent/JPS572774A/ja
Publication of JPS572774A publication Critical patent/JPS572774A/ja
Publication of JPH0326140B2 publication Critical patent/JPH0326140B2/ja
Granted 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)
  • Dot-Matrix Printers And Others (AREA)
  • Electronic Switches (AREA)
  • Color, Gradation (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP7679680A 1980-06-06 1980-06-06 Recording system for gradation image Granted JPS572774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7679680A JPS572774A (en) 1980-06-06 1980-06-06 Recording system for gradation image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7679680A JPS572774A (en) 1980-06-06 1980-06-06 Recording system for gradation image

Publications (2)

Publication Number Publication Date
JPS572774A JPS572774A (en) 1982-01-08
JPH0326140B2 true JPH0326140B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-04-09

Family

ID=13615597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7679680A Granted JPS572774A (en) 1980-06-06 1980-06-06 Recording system for gradation image

Country Status (1)

Country Link
JP (1) JPS572774A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042074A (ja) * 1983-08-17 1985-03-06 Fuji Xerox Co Ltd 感熱中間調記録方法
JPH01228854A (ja) * 1988-03-10 1989-09-12 Canon Inc 記録装置
JP2004104334A (ja) * 2002-09-06 2004-04-02 Ricoh Co Ltd 画像処理方法および画像処理システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5473650A (en) * 1977-11-25 1979-06-13 Keisatsuchiyou Chokan Gradation recording method

Also Published As

Publication number Publication date
JPS572774A (en) 1982-01-08

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