IT971580B - Metodo e mezzi per effettuare la codificazione mantenendo mi nima la ridondanza - Google Patents

Metodo e mezzi per effettuare la codificazione mantenendo mi nima la ridondanza

Info

Publication number
IT971580B
IT971580B IT3253172A IT3253172A IT971580B IT 971580 B IT971580 B IT 971580B IT 3253172 A IT3253172 A IT 3253172A IT 3253172 A IT3253172 A IT 3253172A IT 971580 B IT971580 B IT 971580B
Authority
IT
Italy
Prior art keywords
coding
redundancy
keeping
keeping redundancy
coding keeping
Prior art date
Application number
IT3253172A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT971580B publication Critical patent/IT971580B/it

Links

Classifications

    • 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
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
IT3253172A 1971-12-29 1972-12-06 Metodo e mezzi per effettuare la codificazione mantenendo mi nima la ridondanza IT971580B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21360471A 1971-12-29 1971-12-29

Publications (1)

Publication Number Publication Date
IT971580B true IT971580B (it) 1974-05-10

Family

ID=22795746

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3253172A IT971580B (it) 1971-12-29 1972-12-06 Metodo e mezzi per effettuare la codificazione mantenendo mi nima la ridondanza

Country Status (6)

Country Link
JP (1) JPS5321626B2 (it)
CA (1) CA1007375A (it)
DE (1) DE2259702C2 (it)
FR (1) FR2165975A1 (it)
GB (1) GB1359427A (it)
IT (1) IT971580B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5738699U (it) * 1980-08-15 1982-03-02
EP0097858B1 (en) * 1982-06-11 1991-12-18 Mitsubishi Denki Kabushiki Kaisha Vector quantizer
JPH0217594Y2 (it) * 1984-10-22 1990-05-16
GB8827556D0 (en) * 1988-11-25 1988-12-29 Crosfield Electronics Ltd Data compression

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051940A (en) * 1958-09-04 1962-08-28 Bell Telephone Labor Inc Variable length code group circuits
US3016527A (en) * 1958-09-04 1962-01-09 Bell Telephone Labor Inc Apparatus for utilizing variable length alphabetized codes

Also Published As

Publication number Publication date
DE2259702C2 (de) 1981-09-17
FR2165975A1 (it) 1973-08-10
DE2259702A1 (de) 1973-07-12
JPS5321626B2 (it) 1978-07-04
JPS4878845A (it) 1973-10-23
GB1359427A (en) 1974-07-10
CA1007375A (en) 1977-03-22

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