JPH0147946B2 - - Google Patents

Info

Publication number
JPH0147946B2
JPH0147946B2 JP55018784A JP1878480A JPH0147946B2 JP H0147946 B2 JPH0147946 B2 JP H0147946B2 JP 55018784 A JP55018784 A JP 55018784A JP 1878480 A JP1878480 A JP 1878480A JP H0147946 B2 JPH0147946 B2 JP H0147946B2
Authority
JP
Japan
Prior art keywords
dither
image
gradation
original
document
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
Application number
JP55018784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56115073A (en
Inventor
Yukio Sato
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP1878480A priority Critical patent/JPS56115073A/ja
Publication of JPS56115073A publication Critical patent/JPS56115073A/ja
Publication of JPH0147946B2 publication Critical patent/JPH0147946B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP1878480A 1980-02-18 1980-02-18 Picture scanning method Granted JPS56115073A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1878480A JPS56115073A (en) 1980-02-18 1980-02-18 Picture scanning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1878480A JPS56115073A (en) 1980-02-18 1980-02-18 Picture scanning method

Publications (2)

Publication Number Publication Date
JPS56115073A JPS56115073A (en) 1981-09-10
JPH0147946B2 true JPH0147946B2 (enrdf_load_stackoverflow) 1989-10-17

Family

ID=11981238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1878480A Granted JPS56115073A (en) 1980-02-18 1980-02-18 Picture scanning method

Country Status (1)

Country Link
JP (1) JPS56115073A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57125577A (en) * 1981-01-29 1982-08-04 Ricoh Co Ltd Binarized tonal processing method for analog video signal
JPS58223964A (ja) * 1982-06-22 1983-12-26 Konishiroku Photo Ind Co Ltd シエ−デイング補正装置
JPH01255568A (ja) * 1988-04-05 1989-10-12 Seiko Instr Inc 熱転写カラープリンタ
WO2016026721A1 (en) 2014-08-21 2016-02-25 Continental Automotive Gmbh Valve core for electronic valve and electronic valve comprising the valve core

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144127A (en) * 1978-05-01 1979-11-10 Ricoh Co Ltd Display system of intermediate tone by binary picture element

Also Published As

Publication number Publication date
JPS56115073A (en) 1981-09-10

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