CN1004252B - 信道转换系统 - Google Patents

信道转换系统 Download PDF

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Publication number
CN1004252B
CN1004252B CN85108880.5A CN85108880A CN1004252B CN 1004252 B CN1004252 B CN 1004252B CN 85108880 A CN85108880 A CN 85108880A CN 1004252 B CN1004252 B CN 1004252B
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CN
China
Prior art keywords
signal
channel
normal
circuit
strings
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
Application number
CN85108880.5A
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English (en)
Chinese (zh)
Other versions
CN85108880A (zh
Inventor
森本英明
桥本博己
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of CN85108880A publication Critical patent/CN85108880A/zh
Publication of CN1004252B publication Critical patent/CN1004252B/zh
Expired legal-status Critical Current

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    • 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
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
CN85108880.5A 1984-11-05 1985-11-05 信道转换系统 Expired CN1004252B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59232711A JPS61111037A (ja) 1984-11-05 1984-11-05 回線切替方式
JP232711/84 1984-11-05

Publications (2)

Publication Number Publication Date
CN85108880A CN85108880A (zh) 1986-06-10
CN1004252B true CN1004252B (zh) 1989-05-17

Family

ID=16943581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN85108880.5A Expired CN1004252B (zh) 1984-11-05 1985-11-05 信道转换系统

Country Status (8)

Country Link
US (1) US4686675A (enExample)
EP (1) EP0180943B1 (enExample)
JP (1) JPS61111037A (enExample)
CN (1) CN1004252B (enExample)
AU (1) AU573708B2 (enExample)
BR (1) BR8505689A (enExample)
CA (1) CA1238724A (enExample)
DE (1) DE3583917D1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60208134A (ja) * 1984-04-02 1985-10-19 Nec Corp 無線通信方式
CA1249633A (en) * 1985-12-11 1989-01-31 Hideaki Morimoto Channel switching system
DE3788532T2 (de) * 1986-03-31 1994-04-21 Nippon Electric Co Funkübertragungssystem mit vereinfachter Fehlerkorrekturschaltung und schneller Kanalumschaltung.
JPS62274946A (ja) * 1986-05-23 1987-11-28 Fujitsu Ltd 無瞬断切替回路
JPS6370632A (ja) * 1986-09-11 1988-03-30 Nec Corp 回線切替方式
JPS6377235A (ja) * 1986-09-20 1988-04-07 Fujitsu Ltd デイジタル通信システムの切替方式
JPH084257B2 (ja) * 1987-10-02 1996-01-17 日本電気株式会社 （１＋ｎ）ヒットレス回線切替装置
DE3850934T2 (de) * 1987-11-10 1994-12-01 Nippon Electric Co Kanalumschaltungseinrichtung.
FR2670971A1 (fr) * 1990-12-21 1992-06-26 Trt Telecom Radio Electr Systeme de transmission de mots de donnees utilisant au moins deux canaux de transmission.
JP2765284B2 (ja) * 1991-06-28 1998-06-11 日本電気株式会社 自動回線切替装置
GB2267415B (en) * 1992-05-19 1996-02-07 Sony Broadcast & Communication Signal switching
JPH06205295A (ja) * 1992-12-28 1994-07-22 Sony Corp ビデオ信号送出装置
JP2715962B2 (ja) * 1995-03-10 1998-02-18 日本電気株式会社 回線無瞬断切替方法および装置
US5864358A (en) * 1995-06-26 1999-01-26 Matsushita Electric Industrial Co., Ltd. Method for switching programs in digital broadcasting and digital broadcast receiving apparatus
KR100301575B1 (ko) * 1995-12-22 2001-11-22 박종섭 신호 전송장치
JP4320602B2 (ja) * 2004-02-26 2009-08-26 日本電気株式会社 加入者ユニット冗長システムおよび加入者ユニット冗長方法
US7656791B1 (en) 2006-07-19 2010-02-02 Pmc-Sierra, Inc. Systems and methods for hitless equipment protection
CN104486059B (zh) * 2015-01-04 2018-07-03 阳光电源股份有限公司 一种光伏逆变器并联系统载波同步方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234956A (en) * 1978-10-11 1980-11-18 The General Electric Company Limited Digital relay systems
US4228535A (en) * 1979-02-26 1980-10-14 Rockwell International Corporation Dual TDM switching apparatus
JPS56153859A (en) * 1980-04-28 1981-11-28 Nec Corp Pcm line switching device
US4477895A (en) * 1980-05-02 1984-10-16 Harris Corporation Synchronized protection switching arrangement
JPS5726955A (en) * 1980-07-25 1982-02-13 Hitachi Ltd Backup control system
US4417348A (en) * 1981-04-30 1983-11-22 Bell Telephone Laboratories, Incorporated Errorless line protection switcher

Also Published As

Publication number Publication date
CN85108880A (zh) 1986-06-10
EP0180943B1 (en) 1991-08-28
BR8505689A (pt) 1986-08-12
EP0180943A2 (en) 1986-05-14
AU4931485A (en) 1986-05-15
AU573708B2 (en) 1988-06-16
JPS61111037A (ja) 1986-05-29
US4686675A (en) 1987-08-11
DE3583917D1 (de) 1991-10-02
CA1238724A (en) 1988-06-28
EP0180943A3 (en) 1988-07-27
JPH0356496B2 (enExample) 1991-08-28

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GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CX01 Expiry of patent term