FR2120171A1 - - Google Patents

Info

Publication number
FR2120171A1
FR2120171A1 FR7147744A FR7147744A FR2120171A1 FR 2120171 A1 FR2120171 A1 FR 2120171A1 FR 7147744 A FR7147744 A FR 7147744A FR 7147744 A FR7147744 A FR 7147744A FR 2120171 A1 FR2120171 A1 FR 2120171A1
Authority
FR
France
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
FR7147744A
Other languages
French (fr)
Other versions
FR2120171B1 (de
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2120171A1 publication Critical patent/FR2120171A1/fr
Application granted granted Critical
Publication of FR2120171B1 publication Critical patent/FR2120171B1/fr
Expired 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
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Communication Control (AREA)
FR7147744A 1970-12-31 1971-12-31 Expired FR2120171B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45123406A JPS5015093B1 (de) 1970-12-31 1970-12-31

Publications (2)

Publication Number Publication Date
FR2120171A1 true FR2120171A1 (de) 1972-08-11
FR2120171B1 FR2120171B1 (de) 1976-12-03

Family

ID=14859754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7147744A Expired FR2120171B1 (de) 1970-12-31 1971-12-31

Country Status (4)

Country Link
JP (1) JPS5015093B1 (de)
DE (1) DE2165766C3 (de)
FR (1) FR2120171B1 (de)
GB (1) GB1373940A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015212A1 (de) * 1979-02-23 1980-09-03 Jean Pierre Alfred Arnaud Verfahren und Apparat zur Kompression von Daten, insbesondere von Fernsehsignalen
FR2516676A1 (fr) * 1981-11-17 1983-05-20 Thomson Csf Analyseur ligne par ligne d'un document, equipe d'un dispositif de controle de la position du document

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833900A (en) * 1972-08-18 1974-09-03 Ibm Image compaction system
US4323916A (en) 1980-02-07 1982-04-06 Rca Corporation Data rate reduction for digital video signals by subsampling and adaptive reconstruction
DE3016738C2 (de) * 1980-04-30 1988-06-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Übertragung eines Bitmusterfeldes in einen Speicher und Schaltungsanordnung zur Ausübung des Verfahrens
DE19540424C2 (de) * 1995-10-30 2003-07-03 Dinu Scheppelmann Verfahren zum Übertragen eines digitalen Bildes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2016857A1 (de) * 1968-08-02 1970-05-15 Western Electric Co

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347981A (en) * 1964-03-18 1967-10-17 Polaroid Corp Method for transmitting digital data in connection with document reproduction system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2016857A1 (de) * 1968-08-02 1970-05-15 Western Electric Co

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015212A1 (de) * 1979-02-23 1980-09-03 Jean Pierre Alfred Arnaud Verfahren und Apparat zur Kompression von Daten, insbesondere von Fernsehsignalen
WO1980001864A1 (fr) * 1979-02-23 1980-09-04 J Arnaud Procede et appareil de compression de donnees, notamment de signaux de television
FR2450016A1 (fr) * 1979-02-23 1980-09-19 Arnaud Jean Procede et appareil de compression de donnees, notamment de signaux de television
FR2516676A1 (fr) * 1981-11-17 1983-05-20 Thomson Csf Analyseur ligne par ligne d'un document, equipe d'un dispositif de controle de la position du document
EP0079821A1 (de) * 1981-11-17 1983-05-25 Thomson-Csf Abtaster, der Zeile für Zeile eines Dokumentes abtastet mit einer Vorrichtung zur Überwachung der Lage des Dokuments ausgestattet
US4494691A (en) * 1981-11-17 1985-01-22 Thomson-Csf Line-by-line document scanner equipped with a device for controlling the position of documents

Also Published As

Publication number Publication date
JPS5015093B1 (de) 1975-06-02
DE2165766B2 (de) 1973-10-18
DE2165766A1 (de) 1972-08-03
GB1373940A (en) 1974-11-13
FR2120171B1 (de) 1976-12-03
DE2165766C3 (de) 1974-05-09

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Legal Events

Date Code Title Description
ST Notification of lapse