FR2145553B1 - - Google Patents

Info

Publication number
FR2145553B1
FR2145553B1 FR7224883A FR7224883A FR2145553B1 FR 2145553 B1 FR2145553 B1 FR 2145553B1 FR 7224883 A FR7224883 A FR 7224883A FR 7224883 A FR7224883 A FR 7224883A FR 2145553 B1 FR2145553 B1 FR 2145553B1
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
FR7224883A
Other versions
FR2145553A1 (fr
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 FR2145553A1 publication Critical patent/FR2145553A1/fr
Application granted granted Critical
Publication of FR2145553B1 publication Critical patent/FR2145553B1/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)
  • Editing Of Facsimile Originals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
FR7224883A 1971-07-10 1972-07-10 Expired FR2145553B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5117971A JPS5123408B1 (fr) 1971-07-10 1971-07-10

Publications (2)

Publication Number Publication Date
FR2145553A1 FR2145553A1 (fr) 1973-02-23
FR2145553B1 true FR2145553B1 (fr) 1977-04-01

Family

ID=12879597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224883A Expired FR2145553B1 (fr) 1971-07-10 1972-07-10

Country Status (4)

Country Link
JP (1) JPS5123408B1 (fr)
DE (1) DE2233795C3 (fr)
FR (1) FR2145553B1 (fr)
GB (1) GB1398619A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409364A (en) * 1972-02-17 1975-10-08 Dacom Inc Dual-line data compression method and system for compressing transmitting and reproducing facsimile data
NL172799C (nl) * 1973-04-17 1983-10-17 Ibm Nederland Stelsel voor het verwerken van informatie afkomstig van handgeschreven tekst.
JPH0746864B2 (ja) * 1984-08-22 1995-05-17 ソニー株式会社 高能率符号化装置

Also Published As

Publication number Publication date
DE2233795A1 (de) 1973-01-18
JPS5123408B1 (fr) 1976-07-16
FR2145553A1 (fr) 1973-02-23
DE2233795C3 (de) 1975-01-16
GB1398619A (en) 1975-06-25
DE2233795B2 (de) 1974-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse