FR2312887B1 - - Google Patents

Info

Publication number
FR2312887B1
FR2312887B1 FR7516404A FR7516404A FR2312887B1 FR 2312887 B1 FR2312887 B1 FR 2312887B1 FR 7516404 A FR7516404 A FR 7516404A FR 7516404 A FR7516404 A FR 7516404A FR 2312887 B1 FR2312887 B1 FR 2312887B1
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
FR7516404A
Other languages
French (fr)
Other versions
FR2312887A1 (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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7516404A priority Critical patent/FR2312887A1/fr
Publication of FR2312887A1 publication Critical patent/FR2312887A1/fr
Application granted granted Critical
Publication of FR2312887B1 publication Critical patent/FR2312887B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/93—Run-length coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4025—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code constant length to or from Morse code conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
FR7516404A 1975-05-27 1975-05-27 Procede de codage differentiel par impulsions codees du type dpcm a intervalles variables et systeme de transmission de donnees utilisant un tel procede Granted FR2312887A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7516404A FR2312887A1 (fr) 1975-05-27 1975-05-27 Procede de codage differentiel par impulsions codees du type dpcm a intervalles variables et systeme de transmission de donnees utilisant un tel procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7516404A FR2312887A1 (fr) 1975-05-27 1975-05-27 Procede de codage differentiel par impulsions codees du type dpcm a intervalles variables et systeme de transmission de donnees utilisant un tel procede

Publications (2)

Publication Number Publication Date
FR2312887A1 FR2312887A1 (fr) 1976-12-24
FR2312887B1 true FR2312887B1 (cs) 1977-12-09

Family

ID=9155697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7516404A Granted FR2312887A1 (fr) 1975-05-27 1975-05-27 Procede de codage differentiel par impulsions codees du type dpcm a intervalles variables et systeme de transmission de donnees utilisant un tel procede

Country Status (1)

Country Link
FR (1) FR2312887A1 (cs)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471639A (en) * 1966-10-03 1969-10-07 Xerox Corp Shift/count control circuit
US3863248A (en) * 1973-01-02 1975-01-28 Univ Sherbrooke Digital compressor-expander

Also Published As

Publication number Publication date
FR2312887A1 (fr) 1976-12-24

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Legal Events

Date Code Title Description
ST Notification of lapse