JPS5941969A - 階調画像記録処理方式 - Google Patents

階調画像記録処理方式

Info

Publication number
JPS5941969A
JPS5941969A JP57152272A JP15227282A JPS5941969A JP S5941969 A JPS5941969 A JP S5941969A JP 57152272 A JP57152272 A JP 57152272A JP 15227282 A JP15227282 A JP 15227282A JP S5941969 A JPS5941969 A JP S5941969A
Authority
JP
Japan
Prior art keywords
dots
dot
black
white
matrix
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.)
Granted
Application number
JP57152272A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0336354B2 (enExample
Inventor
Atsushi Otani
淳 大谷
Yukio Tokunaga
徳永　幸生
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.)
NTT Inc
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 JP57152272A priority Critical patent/JPS5941969A/ja
Publication of JPS5941969A publication Critical patent/JPS5941969A/ja
Publication of JPH0336354B2 publication Critical patent/JPH0336354B2/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
    • H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper

Landscapes

  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP57152272A 1982-09-01 1982-09-01 階調画像記録処理方式 Granted JPS5941969A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57152272A JPS5941969A (ja) 1982-09-01 1982-09-01 階調画像記録処理方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57152272A JPS5941969A (ja) 1982-09-01 1982-09-01 階調画像記録処理方式

Publications (2)

Publication Number Publication Date
JPS5941969A true JPS5941969A (ja) 1984-03-08
JPH0336354B2 JPH0336354B2 (enExample) 1991-05-31

Family

ID=15536870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57152272A Granted JPS5941969A (ja) 1982-09-01 1982-09-01 階調画像記録処理方式

Country Status (1)

Country Link
JP (1) JPS5941969A (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672432A (en) * 1983-04-28 1987-06-09 Canon Kabushiki Kaisha Method for recording a color image using dots of colorants of different densities
US4686538A (en) * 1984-10-31 1987-08-11 Canon Kabushiki Kaisha Tone recording method
US4692773A (en) * 1982-07-23 1987-09-08 Canon Kabushiki Kaisha Image forming method using image forming elements having different concentrations and pitches
US4713746A (en) * 1982-05-14 1987-12-15 Canon Kabushiki Kaisha Method for forming pictures
US4714964A (en) * 1984-07-13 1987-12-22 Canon Kabushiki Kaisha Intermediate gradient image forming method
US4727436A (en) * 1982-09-01 1988-02-23 Canon Kabushiki Kaisha Method and apparatus for producing a picture
US4772911A (en) * 1984-01-19 1988-09-20 Canon Kabushiki Kaisha Image formation apparatus
US4959659A (en) * 1983-03-08 1990-09-25 Canon Kabushiki Kaisha Color picture forming apparatus and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012011559A1 (ja) 2010-07-23 2012-01-26 王子製紙株式会社 微細繊維状セルロース含有シート抄紙用ワイヤー及び微細繊維状セルロース含有シートの製造方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713746A (en) * 1982-05-14 1987-12-15 Canon Kabushiki Kaisha Method for forming pictures
US4692773A (en) * 1982-07-23 1987-09-08 Canon Kabushiki Kaisha Image forming method using image forming elements having different concentrations and pitches
US4727436A (en) * 1982-09-01 1988-02-23 Canon Kabushiki Kaisha Method and apparatus for producing a picture
US4959659A (en) * 1983-03-08 1990-09-25 Canon Kabushiki Kaisha Color picture forming apparatus and method
US4672432A (en) * 1983-04-28 1987-06-09 Canon Kabushiki Kaisha Method for recording a color image using dots of colorants of different densities
US4772911A (en) * 1984-01-19 1988-09-20 Canon Kabushiki Kaisha Image formation apparatus
US4714964A (en) * 1984-07-13 1987-12-22 Canon Kabushiki Kaisha Intermediate gradient image forming method
US4686538A (en) * 1984-10-31 1987-08-11 Canon Kabushiki Kaisha Tone recording method

Also Published As

Publication number Publication date
JPH0336354B2 (enExample) 1991-05-31

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