IT1014588B - Dispositivo di calcolo del codice ciclico di un messag gio binario - Google Patents

Dispositivo di calcolo del codice ciclico di un messag gio binario

Info

Publication number
IT1014588B
IT1014588B IT21329/74A IT2132974A IT1014588B IT 1014588 B IT1014588 B IT 1014588B IT 21329/74 A IT21329/74 A IT 21329/74A IT 2132974 A IT2132974 A IT 2132974A IT 1014588 B IT1014588 B IT 1014588B
Authority
IT
Italy
Prior art keywords
calculating
cyclic code
binary message
binary
message
Prior art date
Application number
IT21329/74A
Other languages
English (en)
Original Assignee
Cii Honeywell Bull
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 Cii Honeywell Bull filed Critical Cii Honeywell Bull
Application granted granted Critical
Publication of IT1014588B publication Critical patent/IT1014588B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes

Landscapes

  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Communication Control (AREA)
IT21329/74A 1973-04-13 1974-04-12 Dispositivo di calcolo del codice ciclico di un messag gio binario IT1014588B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7313501A FR2225890B1 (it) 1973-04-13 1973-04-13

Publications (1)

Publication Number Publication Date
IT1014588B true IT1014588B (it) 1977-04-30

Family

ID=9117948

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21329/74A IT1014588B (it) 1973-04-13 1974-04-12 Dispositivo di calcolo del codice ciclico di un messag gio binario

Country Status (8)

Country Link
US (1) US3893078A (it)
JP (1) JPS5723471B2 (it)
BR (1) BR7402775D0 (it)
DE (1) DE2417932A1 (it)
ES (1) ES424914A1 (it)
FR (1) FR2225890B1 (it)
GB (1) GB1440165A (it)
IT (1) IT1014588B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974918A (it) * 1972-11-17 1974-07-19
JPS5832421B2 (ja) * 1976-09-10 1983-07-13 株式会社日立製作所 フイ−ドバツクシフトレジスタ
JPS5515685U (it) * 1978-07-18 1980-01-31
JPS55163621A (en) * 1979-06-08 1980-12-19 Hitachi Ltd Composite type magnetic head
US4498187A (en) * 1979-10-30 1985-02-05 Pitney Bowes Inc. Electronic postage meter having plural computing systems
US4525785A (en) * 1979-10-30 1985-06-25 Pitney Bowes Inc. Electronic postage meter having plural computing system
US4301507A (en) * 1979-10-30 1981-11-17 Pitney Bowes Inc. Electronic postage meter having plural computing systems
US4422148A (en) * 1979-10-30 1983-12-20 Pitney Bowes Inc. Electronic postage meter having plural computing systems
JPS58212613A (ja) * 1982-06-03 1983-12-10 Mitsubishi Electric Corp 複合形薄膜磁気ヘツド
JPS58212614A (ja) * 1982-06-03 1983-12-10 Mitsubishi Electric Corp 複合形薄膜磁気ヘツド
US4712215A (en) * 1985-12-02 1987-12-08 Advanced Micro Devices, Inc. CRC calculation machine for separate calculation of checkbits for the header packet and data packet
JPH02312004A (ja) * 1989-05-26 1990-12-27 Sharp Corp 磁気ヘツド
JPH03272224A (ja) * 1990-03-20 1991-12-03 Canon Inc 情報信号処理方法
US5428629A (en) * 1990-11-01 1995-06-27 Motorola, Inc. Error check code recomputation method time independent of message length
GB2322526A (en) * 1997-02-22 1998-08-26 The Technology Partnership Plc Encoding and decoding data
US6694476B1 (en) * 2000-06-02 2004-02-17 Vitesse Semiconductor Corporation Reed-solomon encoder and decoder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805232A (en) * 1972-01-24 1974-04-16 Honeywell Inf Systems Encoder/decoder for code words of variable length
US3821703A (en) * 1972-12-26 1974-06-28 Ibm Signal transferring

Also Published As

Publication number Publication date
JPS5723471B2 (it) 1982-05-19
DE2417932A1 (de) 1974-10-24
GB1440165A (en) 1976-06-23
JPS5028249A (it) 1975-03-22
FR2225890A1 (it) 1974-11-08
ES424914A1 (es) 1976-06-01
BR7402775D0 (pt) 1974-11-05
US3893078A (en) 1975-07-01
FR2225890B1 (it) 1976-09-10

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