FR2233773B1 - - Google Patents

Info

Publication number
FR2233773B1
FR2233773B1 FR7419047A FR7419047A FR2233773B1 FR 2233773 B1 FR2233773 B1 FR 2233773B1 FR 7419047 A FR7419047 A FR 7419047A FR 7419047 A FR7419047 A FR 7419047A FR 2233773 B1 FR2233773 B1 FR 2233773B1
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.)
Expired
Application number
FR7419047A
Other languages
French (fr)
Other versions
FR2233773A1 (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2233773A1 publication Critical patent/FR2233773A1/fr
Application granted granted Critical
Publication of FR2233773B1 publication Critical patent/FR2233773B1/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
    • H04N1/415—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
FR7419047A 1973-06-01 1974-05-31 Expired FR2233773B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7307630A NL7307630A (en) 1973-06-01 1973-06-01

Publications (2)

Publication Number Publication Date
FR2233773A1 FR2233773A1 (en) 1975-01-10
FR2233773B1 true FR2233773B1 (en) 1982-05-28

Family

ID=19818984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419047A Expired FR2233773B1 (en) 1973-06-01 1974-05-31

Country Status (7)

Country Link
JP (1) JPS5028924A (en)
CA (1) CA1023464A (en)
DE (1) DE2426261C3 (en)
FR (1) FR2233773B1 (en)
GB (1) GB1476476A (en)
IT (1) IT1015010B (en)
NL (1) NL7307630A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178077A (en) * 1983-03-28 1984-10-09 Dainippon Screen Mfg Co Ltd Method for compressing data of binary picture

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922840A (en) * 1958-10-24 1960-01-26 Tele Dynamics Inc Weather chart facsimile system
FR1452663A (en) * 1965-06-23 1966-04-15 Labo Cent Telecommunicat Method of reducing bandwidth in image transmission
GB1188126A (en) * 1966-06-15 1970-04-15 Xerox Corp Selective Binary Encoding
US3457363A (en) * 1966-10-03 1969-07-22 Southern Pacific Co Vertical resolution facsimile system
US3730988A (en) * 1970-07-29 1973-05-01 Pioneer Electronic Corp Electronic transmission system of static picture writings
JPS5325447B2 (en) * 1972-10-16 1978-07-27

Also Published As

Publication number Publication date
DE2426261B2 (en) 1981-06-11
IT1015010B (en) 1977-05-10
NL7307630A (en) 1974-12-03
CA1023464A (en) 1977-12-27
DE2426261A1 (en) 1975-01-02
JPS5028924A (en) 1975-03-24
GB1476476A (en) 1977-06-16
FR2233773A1 (en) 1975-01-10
AU6948074A (en) 1975-12-04
DE2426261C3 (en) 1982-02-18

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Legal Events

Date Code Title Description
ST Notification of lapse