JPS5715570A - Facsimile device - Google Patents

Facsimile device

Info

Publication number
JPS5715570A
JPS5715570A JP9115480A JP9115480A JPS5715570A JP S5715570 A JPS5715570 A JP S5715570A JP 9115480 A JP9115480 A JP 9115480A JP 9115480 A JP9115480 A JP 9115480A JP S5715570 A JPS5715570 A JP S5715570A
Authority
JP
Japan
Prior art keywords
multitone
circuit
original
signal
chrominance
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
JP9115480A
Other languages
Japanese (ja)
Other versions
JPS634383B2 (en
Inventor
Masaru Onishi
Yoshihiro Nagata
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9115480A priority Critical patent/JPS5715570A/en
Publication of JPS5715570A publication Critical patent/JPS5715570A/en
Publication of JPS634383B2 publication Critical patent/JPS634383B2/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
    • H04N1/46—Colour picture communication systems
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

PURPOSE:To reduce the transmission time, by transmitting a picture signal only in a specific area as a multitone signal. CONSTITUTION:An original having three chrominance components is converted into three chrominance signals at an N color read-in section 1. A color discrimination control circuit 2 transmits red chrominance signal only to multitone coding circuit 4 and transmits blue and black chroma signals to a binary coding circuit 3. The circuit 4 codes the chrominance signals in K tone. A band compression circuit 5 makes band compression depending if the code is a multitone code or binary code and transmits the result to a receiver 15. When an original is the original of a certificiate of one's seal impression, since the seal shade part only is discriminated and transmitted as a multitone signal automatically, the toral transmitting time is reduced remarkably.
JP9115480A 1980-07-01 1980-07-01 Facsimile device Granted JPS5715570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9115480A JPS5715570A (en) 1980-07-01 1980-07-01 Facsimile device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9115480A JPS5715570A (en) 1980-07-01 1980-07-01 Facsimile device

Publications (2)

Publication Number Publication Date
JPS5715570A true JPS5715570A (en) 1982-01-26
JPS634383B2 JPS634383B2 (en) 1988-01-28

Family

ID=14018590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9115480A Granted JPS5715570A (en) 1980-07-01 1980-07-01 Facsimile device

Country Status (1)

Country Link
JP (1) JPS5715570A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115501A (en) * 1982-12-23 1984-07-04 松下電器産業株式会社 fixed resistor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068727A (en) * 1973-10-23 1975-06-09
JPS54111224A (en) * 1978-02-20 1979-08-31 Hitachi Ltd Run length coding system of color pattern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068727A (en) * 1973-10-23 1975-06-09
JPS54111224A (en) * 1978-02-20 1979-08-31 Hitachi Ltd Run length coding system of color pattern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115501A (en) * 1982-12-23 1984-07-04 松下電器産業株式会社 fixed resistor

Also Published As

Publication number Publication date
JPS634383B2 (en) 1988-01-28

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