JPS57106271A - Transmission system for picture signal - Google Patents

Transmission system for picture signal

Info

Publication number
JPS57106271A
JPS57106271A JP55181222A JP18122280A JPS57106271A JP S57106271 A JPS57106271 A JP S57106271A JP 55181222 A JP55181222 A JP 55181222A JP 18122280 A JP18122280 A JP 18122280A JP S57106271 A JPS57106271 A JP S57106271A
Authority
JP
Japan
Prior art keywords
picture signal
signal data
gradation
data
changed
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
JP55181222A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0147947B2 (enExample
Inventor
Kyoji Koseki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP55181222A priority Critical patent/JPS57106271A/ja
Publication of JPS57106271A publication Critical patent/JPS57106271A/ja
Publication of JPH0147947B2 publication Critical patent/JPH0147947B2/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
    • H04N1/41—Bandwidth or redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP55181222A 1980-12-23 1980-12-23 Transmission system for picture signal Granted JPS57106271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55181222A JPS57106271A (en) 1980-12-23 1980-12-23 Transmission system for picture signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55181222A JPS57106271A (en) 1980-12-23 1980-12-23 Transmission system for picture signal

Publications (2)

Publication Number Publication Date
JPS57106271A true JPS57106271A (en) 1982-07-02
JPH0147947B2 JPH0147947B2 (enExample) 1989-10-17

Family

ID=16096946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55181222A Granted JPS57106271A (en) 1980-12-23 1980-12-23 Transmission system for picture signal

Country Status (1)

Country Link
JP (1) JPS57106271A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990209A (ja) * 1982-11-12 1984-05-24 Victor Co Of Japan Ltd 情報記録円盤及びその再生装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125773A (en) * 1979-03-20 1980-09-27 Matsushita Electric Ind Co Ltd Document coding and transmission system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125773A (en) * 1979-03-20 1980-09-27 Matsushita Electric Ind Co Ltd Document coding and transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5990209A (ja) * 1982-11-12 1984-05-24 Victor Co Of Japan Ltd 情報記録円盤及びその再生装置

Also Published As

Publication number Publication date
JPH0147947B2 (enExample) 1989-10-17

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