JPS6349421B2 - - Google Patents

Info

Publication number
JPS6349421B2
JPS6349421B2 JP54147248A JP14724879A JPS6349421B2 JP S6349421 B2 JPS6349421 B2 JP S6349421B2 JP 54147248 A JP54147248 A JP 54147248A JP 14724879 A JP14724879 A JP 14724879A JP S6349421 B2 JPS6349421 B2 JP S6349421B2
Authority
JP
Japan
Prior art keywords
original
white
document
signal
read
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
JP54147248A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5669970A (en
Inventor
Takashi Nakajiri
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP14724879A priority Critical patent/JPS5669970A/ja
Publication of JPS5669970A publication Critical patent/JPS5669970A/ja
Publication of JPS6349421B2 publication Critical patent/JPS6349421B2/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
    • H04N1/403—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 Heads (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP14724879A 1979-11-13 1979-11-13 Read system of facsimile equipment Granted JPS5669970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14724879A JPS5669970A (en) 1979-11-13 1979-11-13 Read system of facsimile equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14724879A JPS5669970A (en) 1979-11-13 1979-11-13 Read system of facsimile equipment

Publications (2)

Publication Number Publication Date
JPS5669970A JPS5669970A (en) 1981-06-11
JPS6349421B2 true JPS6349421B2 (enrdf_load_stackoverflow) 1988-10-04

Family

ID=15425926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14724879A Granted JPS5669970A (en) 1979-11-13 1979-11-13 Read system of facsimile equipment

Country Status (1)

Country Link
JP (1) JPS5669970A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5669970A (en) 1981-06-11

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