CA1023464A - Facsimile system - Google Patents

Facsimile system

Info

Publication number
CA1023464A
CA1023464A CA201,133A CA201133A CA1023464A CA 1023464 A CA1023464 A CA 1023464A CA 201133 A CA201133 A CA 201133A CA 1023464 A CA1023464 A CA 1023464A
Authority
CA
Canada
Prior art keywords
facsimile system
facsimile
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
CA201,133A
Other languages
French (fr)
Other versions
CA201133S (en
Inventor
Hermanus H.H. Groothuis
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
Application granted granted Critical
Publication of CA1023464A publication Critical patent/CA1023464A/en
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)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
CA201,133A 1973-06-01 1974-05-29 Facsimile system Expired CA1023464A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1023464A true CA1023464A (en) 1977-12-27

Family

ID=19818984

Family Applications (1)

Application Number Title Priority Date Filing Date
CA201,133A Expired CA1023464A (en) 1973-06-01 1974-05-29 Facsimile system

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
JPS4945005B1 (en) * 1970-07-29 1974-12-02
JPS5325447B2 (en) * 1972-10-16 1978-07-27

Also Published As

Publication number Publication date
FR2233773A1 (en) 1975-01-10
IT1015010B (en) 1977-05-10
DE2426261B2 (en) 1981-06-11
JPS5028924A (en) 1975-03-24
GB1476476A (en) 1977-06-16
DE2426261C3 (en) 1982-02-18
AU6948074A (en) 1975-12-04
DE2426261A1 (en) 1975-01-02
FR2233773B1 (en) 1982-05-28
NL7307630A (en) 1974-12-03

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