FR2225890B1 - - Google Patents

Info

Publication number
FR2225890B1
FR2225890B1 FR7313501A FR7313501A FR2225890B1 FR 2225890 B1 FR2225890 B1 FR 2225890B1 FR 7313501 A FR7313501 A FR 7313501A FR 7313501 A FR7313501 A FR 7313501A FR 2225890 B1 FR2225890 B1 FR 2225890B1
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
FR7313501A
Other versions
FR2225890A1 (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.)
Bull SA
Original Assignee
Societe Industrielle 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 Societe Industrielle Honeywell Bull filed Critical Societe Industrielle Honeywell Bull
Priority to FR7313501A priority Critical patent/FR2225890B1/fr
Priority to ES424914A priority patent/ES424914A1/es
Priority to BR2775/74A priority patent/BR7402775D0/pt
Priority to US458922A priority patent/US3893078A/en
Priority to GB1577574A priority patent/GB1440165A/en
Priority to JP4005974A priority patent/JPS5723471B2/ja
Priority to DE19742417932 priority patent/DE2417932A1/de
Priority to IT21329/74A priority patent/IT1014588B/it
Publication of FR2225890A1 publication Critical patent/FR2225890A1/fr
Application granted granted Critical
Publication of FR2225890B1 publication Critical patent/FR2225890B1/fr
Expired legal-status Critical Current

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
FR7313501A 1973-04-13 1973-04-13 Expired FR2225890B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7313501A FR2225890B1 (fr) 1973-04-13 1973-04-13
ES424914A ES424914A1 (es) 1973-04-13 1974-04-03 Procedimiento y dispositivo de obtencion del codigo ciclicode un mensaje binario.
US458922A US3893078A (en) 1973-04-13 1974-04-08 Method and apparatus for calculating the cyclic code of a binary message
BR2775/74A BR7402775D0 (pt) 1973-04-13 1974-04-08 Processo e dispositivo de obtencao do codigo ciclico de uma mensagem binaria
GB1577574A GB1440165A (en) 1973-04-13 1974-04-09 Method and apparatus for obtaining the cyclic code of a binary message
JP4005974A JPS5723471B2 (fr) 1973-04-13 1974-04-10
DE19742417932 DE2417932A1 (de) 1973-04-13 1974-04-11 Verfahren und vorrichtung zum gewinnen der zyklischen codegruppe einer binaeren nachricht
IT21329/74A IT1014588B (it) 1973-04-13 1974-04-12 Dispositivo di calcolo del codice ciclico di un messag gio binario

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2225890A1 FR2225890A1 (fr) 1974-11-08
FR2225890B1 true FR2225890B1 (fr) 1976-09-10

Family

ID=9117948

Family Applications (1)

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

Country Status (8)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974918A (fr) * 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 (fr) * 1978-07-18 1980-01-31
JPS55163621A (en) * 1979-06-08 1980-12-19 Hitachi Ltd Composite type magnetic head
US4422148A (en) * 1979-10-30 1983-12-20 Pitney Bowes Inc. Electronic postage meter having plural computing systems
US4498187A (en) * 1979-10-30 1985-02-05 Pitney Bowes Inc. Electronic postage meter having plural computing systems
US4301507A (en) * 1979-10-30 1981-11-17 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
JPS58212614A (ja) * 1982-06-03 1983-12-10 Mitsubishi Electric Corp 複合形薄膜磁気ヘツド
JPS58212613A (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
DE2417932A1 (de) 1974-10-24
JPS5028249A (fr) 1975-03-22
ES424914A1 (es) 1976-06-01
JPS5723471B2 (fr) 1982-05-19
BR7402775D0 (pt) 1974-11-05
FR2225890A1 (fr) 1974-11-08
GB1440165A (en) 1976-06-23
IT1014588B (it) 1977-04-30
US3893078A (en) 1975-07-01

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Legal Events

Date Code Title Description
ST Notification of lapse