DE3850934T2 - Kanalumschaltungseinrichtung. - Google Patents

Kanalumschaltungseinrichtung.

Info

Publication number
DE3850934T2
DE3850934T2 DE3850934T DE3850934T DE3850934T2 DE 3850934 T2 DE3850934 T2 DE 3850934T2 DE 3850934 T DE3850934 T DE 3850934T DE 3850934 T DE3850934 T DE 3850934T DE 3850934 T2 DE3850934 T2 DE 3850934T2
Authority
DE
Germany
Prior art keywords
switching device
channel switching
channel
switching
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
DE3850934T
Other languages
English (en)
Other versions
DE3850934D1 (de
Inventor
Hideaki Morimoto
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
Application granted granted Critical
Publication of DE3850934D1 publication Critical patent/DE3850934D1/de
Publication of DE3850934T2 publication Critical patent/DE3850934T2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE3850934T 1987-11-10 1988-11-09 Kanalumschaltungseinrichtung. Expired - Fee Related DE3850934T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28493887 1987-11-10

Publications (2)

Publication Number Publication Date
DE3850934D1 DE3850934D1 (de) 1994-09-08
DE3850934T2 true DE3850934T2 (de) 1994-12-01

Family

ID=17685011

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3850934T Expired - Fee Related DE3850934T2 (de) 1987-11-10 1988-11-09 Kanalumschaltungseinrichtung.

Country Status (5)

Country Link
US (2) US4984252A (de)
EP (1) EP0315970B1 (de)
CN (2) CN1012411B (de)
AU (1) AU618289B2 (de)
DE (1) DE3850934T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04286230A (ja) * 1991-03-14 1992-10-12 Fujitsu Ltd 現用／予備用回線切替方式
SE469543B (sv) * 1991-12-12 1993-07-19 Televerket Anordning foer reservvaeg vid mobilt trunkerat telekommunikationssystem
CA2088753C (en) * 1992-02-04 1999-02-16 Tomoki Osawa Point-to-multipoint communication network capable of retransmitting a multicast signal
GB2267415B (en) * 1992-05-19 1996-02-07 Sony Broadcast & Communication Signal switching
EP0577888A1 (de) * 1992-05-29 1994-01-12 Nec Corporation Schaltungsanordnung für redundantes Signalübertragungssystem
JPH07264171A (ja) * 1994-03-16 1995-10-13 Fujitsu Ltd 冗長系伝送路運用システム及び冗長系伝送路運用方法
JPH08331046A (ja) * 1995-05-31 1996-12-13 Nec Corp 光伝送通信システム
US5983078A (en) * 1997-03-18 1999-11-09 Cellularvision Technology & Telecommunications, Lp Channel spacing for distortion reduction
FI107202B (fi) 1999-04-01 2001-06-15 Nokia Networks Oy Menetelmä ja järjestely digitaalisen tiedonsiirron etenemisvarmennuksen rinnakkaisten signaalien vaihtamiseksi
FI107203B (fi) 1999-04-01 2001-06-15 Nokia Networks Oy Menetelmä ja järjestely digitaalisen tiedonsiirron etenemisvarmennuksen rinnakkaisten kellosignaalien vaihtamiseksi
US7046623B2 (en) * 2000-12-29 2006-05-16 Nokia Inc. Fault recovery system and method for inverse multiplexed digital subscriber lines
US6963533B2 (en) * 2000-12-29 2005-11-08 Nokia Inc. Method and system for establishing link bit rate for inverse multiplexed data streams
US7443789B2 (en) * 2001-11-21 2008-10-28 Adc Dsl Systems, Inc. Protection switching mechanism
JP4463040B2 (ja) * 2004-08-06 2010-05-12 株式会社日立国際電気 信号変換装置
JP4529714B2 (ja) * 2005-02-09 2010-08-25 日本電気株式会社 Ｄｌｌ回路サンプリングタイミング調整システム及びその方法並びにそれに用いる送受信装置
US8072874B2 (en) * 2007-09-11 2011-12-06 The Directv Group, Inc. Method and system for switching to an engineering signal processing system from a production signal processing system
US20090070829A1 (en) * 2007-09-11 2009-03-12 The Directv Group, Inc. Receiving circuit module for receiving and encoding channel signals and method for operating the same
US8170069B2 (en) * 2007-09-11 2012-05-01 The Directv Group, Inc. Method and system for processing signals from a local collection facility at a signal processing facility
US8973058B2 (en) * 2007-09-11 2015-03-03 The Directv Group, Inc. Method and system for monitoring and simultaneously displaying a plurality of signal channels in a communication system
US9300412B2 (en) 2007-09-11 2016-03-29 The Directv Group, Inc. Method and system for operating a receiving circuit for multiple types of input channel signals
US9313457B2 (en) * 2007-09-11 2016-04-12 The Directv Group, Inc. Method and system for monitoring a receiving circuit module and controlling switching to a back-up receiving circuit module at a local collection facility from a remote facility
US9756290B2 (en) 2007-09-11 2017-09-05 The Directv Group, Inc. Method and system for communicating between a local collection facility and a remote facility
US8356321B2 (en) * 2007-09-11 2013-01-15 The Directv Group, Inc. Method and system for monitoring and controlling receiving circuit modules at a local collection facility from a remote facility
US8988986B2 (en) * 2007-09-12 2015-03-24 The Directv Group, Inc. Method and system for controlling a back-up multiplexer in a local collection facility from a remote facility
US8724635B2 (en) * 2007-09-12 2014-05-13 The Directv Group, Inc. Method and system for controlling a back-up network adapter in a local collection facility from a remote facility
US7861270B2 (en) * 2007-09-12 2010-12-28 The Directv Group, Inc. Method and system for controlling a back-up receiver and encoder in a local collection facility from a remote facility
US8479234B2 (en) 2007-09-12 2013-07-02 The Directv Group, Inc. Method and system for monitoring and controlling a local collection facility from a remote facility using an asynchronous transfer mode (ATM) network
US9049354B2 (en) * 2007-10-30 2015-06-02 The Directv Group, Inc. Method and system for monitoring and controlling a back-up receiver in local collection facility from a remote facility using an IP network
US9037074B2 (en) * 2007-10-30 2015-05-19 The Directv Group, Inc. Method and system for monitoring and controlling a local collection facility from a remote facility through an IP network
US8077706B2 (en) * 2007-10-31 2011-12-13 The Directv Group, Inc. Method and system for controlling redundancy of individual components of a remote facility system
US9049037B2 (en) * 2007-10-31 2015-06-02 The Directv Group, Inc. Method and system for monitoring and encoding signals in a local facility and communicating the signals between a local collection facility and a remote facility using an IP network
WO2010022792A1 (en) * 2008-08-29 2010-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Efficient working standby radio protection scheme
US9762973B2 (en) * 2008-11-04 2017-09-12 The Directv Group, Inc. Method and system for operating a receiving circuit module to encode a channel signal into multiple encoding formats
US9831971B1 (en) 2011-04-05 2017-11-28 The Directv Group, Inc. Method and system for operating a communication system encoded into multiple independently communicated encoding formats
CN108055036B (zh) * 2017-10-31 2020-12-29 北京集创北方科技股份有限公司 时钟数据恢复电路的环路带宽调节方法和装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144414A (en) * 1978-01-23 1979-03-13 Rockwell International Corporation Network synchronization apparatus
US4281412A (en) * 1979-07-05 1981-07-28 Cincinnati Electronics Corporation Method of and apparatus for transmitting and recovering offset QPSK modulated data
FR2473820A1 (fr) * 1980-01-11 1981-07-17 Telecommunications Sa Procede et systeme d'initialisation de la securisation d'une ligne d'une artere de transmission numerique
JPS56153859A (en) * 1980-04-28 1981-11-28 Nec Corp Pcm line switching device
US4377728A (en) * 1981-03-04 1983-03-22 Motorola Inc. Phase locked loop with improved lock-in
US4417348A (en) * 1981-04-30 1983-11-22 Bell Telephone Laboratories, Incorporated Errorless line protection switcher
JPS6053345A (ja) * 1983-09-02 1985-03-27 Nec Corp 同期保護回路
DE3474893D1 (en) * 1983-11-11 1988-12-01 Fujitsu Ltd Protection switching system for carrier transmission line
JPS60154735A (ja) * 1984-01-25 1985-08-14 Fujitsu Ltd 試験切替え方式
AU578569B2 (en) * 1984-05-31 1988-10-27 Nec Corporation Hot standby communications system
US4680750A (en) * 1984-10-01 1987-07-14 Lynch Communication Systems, Inc. Universal high-speed span line switch
JPS61111037A (ja) * 1984-11-05 1986-05-29 Nec Corp 回線切替方式
FR2574237B1 (fr) * 1984-11-30 1992-05-22 Telecommunications Sa Systeme de commutation pour reseau de transmission numerique
US4837760A (en) * 1985-08-02 1989-06-06 Northern Telecom Limited Communications system with protection switching using individual selectors
JPH0624345B2 (ja) * 1986-04-28 1994-03-30 日本電気株式会社 予備回線監視回路
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
DE3642378A1 (de) * 1986-12-11 1988-06-30 Siemens Ag System zur uebertragung von informationen mit ersatzschalteinrichtungen

Also Published As

Publication number Publication date
EP0315970B1 (de) 1994-08-03
EP0315970A2 (de) 1989-05-17
AU2497188A (en) 1989-05-11
CN1012411B (zh) 1991-04-17
CN1036303A (zh) 1989-10-11
US5155483A (en) 1992-10-13
CN1023281C (zh) 1993-12-22
EP0315970A3 (en) 1990-04-04
DE3850934D1 (de) 1994-09-08
CN1059813A (zh) 1992-03-25
AU618289B2 (en) 1991-12-19
US4984252A (en) 1991-01-08

Similar Documents

Publication Publication Date Title
DE3850934D1 (de) Kanalumschaltungseinrichtung.
DE3889328D1 (de) Fernsehkanalschalter.
DE3888909T2 (de) (1+N)störungsfreies Kanalumschaltungssystem.
DE3882584D1 (de) Fuehrungsvorrichtung.
DE68922647T2 (de) Paketvermittlungsvorrichtung.
DE3764915D1 (de) Betaetigungseinrichtung.
NO884364L (no) Hoeyfrekvens-varmeinnretning.
DE3877599T2 (de) Schalteinrichtung.
DE3685635D1 (de) Kanalumschaltungssystem.
DE3576228D1 (de) Schalteinrichtung.
DE3750513T2 (de) Schaltvorrichtung.
DE59001071D1 (de) Schaltvorrichtung.
NO885715L (no) Telefonvelgeranordning.
NO882194D0 (no) Fly-radaranordning.
DE3788941D1 (de) Schaltvorrichtung.
DE3788324T2 (de) Kanalumschaltungseinrichtung.
DE59000816D1 (de) Schaltvorrichtung.
NL193549B (nl) Kabelkanaal.
DE3854201D1 (de) Schaltanordnung.
DE3772173D1 (de) Changiereinrichtung.
DE68907727D1 (de) Kanalverbindungsvorrichtung.
DE396103T1 (de) Kanalwaehlendes geraet.
DE3851051D1 (de) Galvanische schaltvorrichtung.
IT8519782A0 (it) Dispositivo di commutazione ottico.
DE3771720D1 (de) Empfaengnisverhuetende intrauterinvorrichtung.

Legal Events

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