JP5968119B2 - カスケード接続による通信システム - Google Patents

カスケード接続による通信システム Download PDF

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Publication number
JP5968119B2
JP5968119B2 JP2012143966A JP2012143966A JP5968119B2 JP 5968119 B2 JP5968119 B2 JP 5968119B2 JP 2012143966 A JP2012143966 A JP 2012143966A JP 2012143966 A JP2012143966 A JP 2012143966A JP 5968119 B2 JP5968119 B2 JP 5968119B2
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JP
Japan
Prior art keywords
communication
communication device
control unit
data
error determination
Prior art date
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Expired - Fee Related
Application number
JP2012143966A
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English (en)
Japanese (ja)
Other versions
JP2014007695A (ja
JP2014007695A5 (enExample
Inventor
大輔 森川
大輔 森川
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2012143966A priority Critical patent/JP5968119B2/ja
Priority to US13/897,019 priority patent/US8966354B2/en
Publication of JP2014007695A publication Critical patent/JP2014007695A/ja
Publication of JP2014007695A5 publication Critical patent/JP2014007695A5/ja
Application granted granted Critical
Publication of JP5968119B2 publication Critical patent/JP5968119B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M9/00—Parallel/series conversion or vice versa
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/21—Pc I-O input output
    • G05B2219/21028—Address of module determined by position
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/21—Pc I-O input output
    • G05B2219/21039—Slaves, modules in daisy chain, each handles control data, transmits to next
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4637—Interconnected ring systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Telephonic Communication Services (AREA)
  • Information Transfer Systems (AREA)
JP2012143966A 2012-06-27 2012-06-27 カスケード接続による通信システム Expired - Fee Related JP5968119B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012143966A JP5968119B2 (ja) 2012-06-27 2012-06-27 カスケード接続による通信システム
US13/897,019 US8966354B2 (en) 2012-06-27 2013-05-17 Communication system via cascade connection and communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012143966A JP5968119B2 (ja) 2012-06-27 2012-06-27 カスケード接続による通信システム

Publications (3)

Publication Number Publication Date
JP2014007695A JP2014007695A (ja) 2014-01-16
JP2014007695A5 JP2014007695A5 (enExample) 2015-08-13
JP5968119B2 true JP5968119B2 (ja) 2016-08-10

Family

ID=49779581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012143966A Expired - Fee Related JP5968119B2 (ja) 2012-06-27 2012-06-27 カスケード接続による通信システム

Country Status (2)

Country Link
US (1) US8966354B2 (enExample)
JP (1) JP5968119B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104158538B (zh) * 2014-08-22 2017-04-05 深圳芯邦科技股份有限公司 波特率生成方法、波特率发生器及通信设备
JP6498043B2 (ja) * 2015-05-29 2019-04-10 キヤノン株式会社 電子機器
KR101808776B1 (ko) 2015-12-08 2017-12-13 문현정 칩 간 통신중개장치
US10817528B2 (en) 2015-12-15 2020-10-27 Futurewei Technologies, Inc. System and method for data warehouse engine
JP6922639B2 (ja) * 2017-10-13 2021-08-18 オムロン株式会社 制御装置、スレーブ装置の制御方法
GB2574614B (en) * 2018-06-12 2020-10-07 Advanced Risc Mach Ltd Error detection in an interconnection network for an integrated circuit
JP7140020B2 (ja) * 2019-03-20 2022-09-21 株式会社デンソーウェーブ 出力制御装置
US11425183B2 (en) * 2019-06-07 2022-08-23 Eaton Intelligent Power Limited Multi-threaded data transfer to multiple remote devices using wireless hart protocol
CN110636393B (zh) * 2019-09-10 2021-11-16 烽火通信科技股份有限公司 一种olt设备双主控1+1并发工作方法及系统
JP2023140396A (ja) 2022-03-23 2023-10-05 株式会社東芝 磁気ディスク装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69528413D1 (de) * 1994-05-09 2002-11-07 Europlex Res Ltd Ringnetzsystem
US20030110344A1 (en) * 1996-09-18 2003-06-12 Andre Szczepanek Communications systems, apparatus and methods
JPH10135951A (ja) * 1996-10-29 1998-05-22 Canon Inc 通信システムと画像形成装置、及び通信システムの異常診断方法
US6847614B2 (en) * 1998-04-20 2005-01-25 Broadcom Corporation Apparatus and method for unilateral topology discovery in network management
JPH11321027A (ja) 1998-05-19 1999-11-24 Canon Inc 通信制御装置、通信制御方法、及び記憶媒体
JP4467727B2 (ja) * 2000-07-24 2010-05-26 キヤノン株式会社 電子機器の接続方法およびその電子機器およびその動作処理プログラムを記憶した記憶媒体
JP2003124962A (ja) * 2001-10-18 2003-04-25 Fujitsu Ltd パケット転送装置、パケット転送方法、および、半導体装置
US8201069B2 (en) * 2008-07-01 2012-06-12 International Business Machines Corporation Cyclical redundancy code for use in a high-speed serial link

Also Published As

Publication number Publication date
JP2014007695A (ja) 2014-01-16
US8966354B2 (en) 2015-02-24
US20140006912A1 (en) 2014-01-02

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