DE69116960D1 - HDB2-Kodeverletzungsdetektor - Google Patents

HDB2-Kodeverletzungsdetektor

Info

Publication number
DE69116960D1
DE69116960D1 DE69116960T DE69116960T DE69116960D1 DE 69116960 D1 DE69116960 D1 DE 69116960D1 DE 69116960 T DE69116960 T DE 69116960T DE 69116960 T DE69116960 T DE 69116960T DE 69116960 D1 DE69116960 D1 DE 69116960D1
Authority
DE
Germany
Prior art keywords
hdb2
code violation
violation detector
detector
code
Prior art date
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 - Fee Related
Application number
DE69116960T
Other languages
English (en)
Other versions
DE69116960T2 (de
Inventor
Yuzo Okuyama
Kazuo Sato
Yamato Tachibana
Ryuhei Motono
Kazuo Takeoka
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69116960D1 publication Critical patent/DE69116960D1/de
Application granted granted Critical
Publication of DE69116960T2 publication Critical patent/DE69116960T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
    • H04L25/4925—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes using balanced bipolar ternary codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/16—Conversion to or from representation by pulses the pulses having three levels
    • H03M5/18—Conversion to or from representation by pulses the pulses having three levels two levels being symmetrical with respect to the third level, i.e. balanced bipolar ternary code
    • 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
    • H04L1/24—Testing correct operation
    • H04L1/245—Testing correct operation by using the properties of transmission codes
    • H04L1/247—Testing correct operation by using the properties of transmission codes three-level transmission codes, e.g. ternary

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Dc Digital Transmission (AREA)
DE69116960T 1990-09-07 1991-09-06 HDB2-Kodeverletzungsdetektor Expired - Fee Related DE69116960T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2237887A JP2957665B2 (ja) 1990-09-07 1990-09-07 Ｈｄｂ３，ａｍｉ符号則違反検出装置

Publications (2)

Publication Number Publication Date
DE69116960D1 true DE69116960D1 (de) 1996-03-21
DE69116960T2 DE69116960T2 (de) 1996-10-10

Family

ID=17021895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116960T Expired - Fee Related DE69116960T2 (de) 1990-09-07 1991-09-06 HDB2-Kodeverletzungsdetektor

Country Status (5)

Country Link
US (1) US5285459A (de)
EP (1) EP0474241B1 (de)
JP (1) JP2957665B2 (de)
CA (1) CA2050852C (de)
DE (1) DE69116960T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343482A (en) * 1991-07-16 1994-08-30 Pmc-Sierra, Inc. Method and apparatus for detecting pulse density violations in T1 transmission
JP2883525B2 (ja) * 1993-09-17 1999-04-19 富士通株式会社 回線誤り検出装置
US5691998A (en) * 1995-05-10 1997-11-25 Teltrend Inc. Data transmission protection circuit with error correction
US6918070B1 (en) * 1999-05-27 2005-07-12 Ciena Corporation Network performance monitoring and restoration based on transmission code violations
US6728648B1 (en) * 1999-09-24 2004-04-27 Tektronix, Inc. Test and measurement instrument having telecommunications mask testing capability with an autofit to mask feature
TWI458319B (zh) 2011-11-29 2014-10-21 Novatek Microelectronics Corp 時脈嵌入的資料傳輸方法以及資料編碼
CN103166732B (zh) * 2011-12-08 2016-03-30 联咏科技股份有限公司 时脉嵌入的数据传输方法以及封包数据编码/解码方法
CN110380736B (zh) * 2019-06-13 2023-04-21 华南师范大学 一种新的hdb3码编码方法、装置、设备及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2210313A5 (de) * 1972-12-07 1974-07-05 Tekelec Airtronic Sa
JPS5744351A (en) * 1980-08-29 1982-03-12 Fujitsu Ltd Code error detecting circuit
DE3122501A1 (de) * 1981-06-05 1983-02-03 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur ueberwachung der informationsuebertragung zwischen digital arbeitenden einrichtungen
JPS58200654A (ja) * 1982-05-18 1983-11-22 Nec Corp 通信装置
US4545055A (en) * 1983-07-20 1985-10-01 Loral Corporation Error analyzer for data communicated by bus protocol
AT382485B (de) * 1983-07-27 1987-02-25 Itt Austria Schaltungsanordnung fuer ein zeitmultiplexsystem
IT8324267A0 (it) * 1983-12-20 1983-12-20 Italtel Spa Disposizione circuitale atta a rilevare il tasso di errore in sistemi di trasmissione di tipo numerico.
IL74965A (en) * 1985-04-17 1990-07-12 Israel Electronics Corp Combination tasi and adpcm apparatus
FR2586150B1 (fr) * 1985-08-07 1987-10-23 Thomson Csf Mat Tel Dispositif de transmission de paquets dans un reseau temporel asynchrone, et procede de codage des silences
JPH0636511B2 (ja) * 1988-05-31 1994-05-11 日本電気株式会社 コード・バイオレーション検出回路
JPH01321732A (ja) * 1988-06-23 1989-12-27 Fujitsu Ltd Ｈｄｂ−３符号則誤り検出回路
JP2854341B2 (ja) * 1989-09-21 1999-02-03 沖電気工業株式会社 バイオレーション検出回路
JPH03195152A (ja) * 1989-12-25 1991-08-26 Fujitsu Ltd データ断検出回路

Also Published As

Publication number Publication date
US5285459A (en) 1994-02-08
EP0474241A3 (en) 1992-11-25
CA2050852C (en) 1996-07-02
EP0474241A2 (de) 1992-03-11
EP0474241B1 (de) 1996-02-07
JPH04117835A (ja) 1992-04-17
DE69116960T2 (de) 1996-10-10
JP2957665B2 (ja) 1999-10-06
CA2050852A1 (en) 1992-03-08

Similar Documents

Publication Publication Date Title
DE69402586D1 (de) Positionsdetektor
DE69128859T2 (de) Einfacher Feuerdetektor
DE69116770D1 (de) Strahlungsdetektor
DE69407784D1 (de) Detektor system
DE69309518D1 (de) Diskriminatoreinrichtung
DE69127479D1 (de) Belichtungssystem
DE69028322D1 (de) Positionsdetektor
BR9006434A (pt) Detector
DE59108778D1 (de) Code-Eingabevorrichtung
DE69116960D1 (de) HDB2-Kodeverletzungsdetektor
DE69122218T2 (de) Verschiebungsdetektor
DE69124661T2 (de) Einbruch-Detektor
NO944313D0 (no) Detektor
DE69116835T2 (de) Spindetektor
DE69114479D1 (de) Lagedetektor.
DE69220733T2 (de) Detektor
DE69301144D1 (de) Detektor
DE69118623D1 (de) Absorptionsdetektor
DE69317686D1 (de) Detektoranordnung
KR920003441U (ko) 코오드 접속장치
ATA90590A (de) Sicherheitseinrichtung
SE9001365D0 (sv) Detektor
DE69416361D1 (de) Logarithmischer Detektor
BR9001098A (pt) Detector de objetos metaliferos
BR9001097A (pt) Detector de objetos metaliferos

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee