JPS57116478A - Method and device for half tone - Google Patents

Method and device for half tone

Info

Publication number
JPS57116478A
JPS57116478A JP56001905A JP190581A JPS57116478A JP S57116478 A JPS57116478 A JP S57116478A JP 56001905 A JP56001905 A JP 56001905A JP 190581 A JP190581 A JP 190581A JP S57116478 A JPS57116478 A JP S57116478A
Authority
JP
Japan
Prior art keywords
image signal
level
signal
inputted
binary
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.)
Pending
Application number
JP56001905A
Other languages
English (en)
Inventor
Kenji Tanimoto
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP56001905A priority Critical patent/JPS57116478A/ja
Publication of JPS57116478A publication Critical patent/JPS57116478A/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
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP56001905A 1981-01-09 1981-01-09 Method and device for half tone Pending JPS57116478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56001905A JPS57116478A (en) 1981-01-09 1981-01-09 Method and device for half tone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56001905A JPS57116478A (en) 1981-01-09 1981-01-09 Method and device for half tone

Publications (1)

Publication Number Publication Date
JPS57116478A true JPS57116478A (en) 1982-07-20

Family

ID=11514587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56001905A Pending JPS57116478A (en) 1981-01-09 1981-01-09 Method and device for half tone

Country Status (1)

Country Link
JP (1) JPS57116478A (ja)

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