DE3850934D1 - Kanalumschaltungseinrichtung. - Google Patents
Kanalumschaltungseinrichtung.Info
- Publication number
- DE3850934D1 DE3850934D1 DE3850934T DE3850934T DE3850934D1 DE 3850934 D1 DE3850934 D1 DE 3850934D1 DE 3850934 T DE3850934 T DE 3850934T DE 3850934 T DE3850934 T DE 3850934T DE 3850934 D1 DE3850934 D1 DE 3850934D1
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28493887 | 1987-11-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3850934D1 true DE3850934D1 (de) | 1994-09-08 |
DE3850934T2 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)
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 |
US6963533B2 (en) * | 2000-12-29 | 2005-11-08 | Nokia Inc. | Method and system for establishing link bit rate for inverse multiplexed data streams |
US7046623B2 (en) * | 2000-12-29 | 2006-05-16 | Nokia Inc. | Fault recovery system and method for inverse multiplexed digital subscriber lines |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
EP2319192B1 (de) * | 2008-08-29 | 2015-10-07 | Telefonaktiebolaget LM Ericsson (publ) | Effizientes arbeits-standby-funkgeräteschutzschema |
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)
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 |
US4680776A (en) * | 1983-11-11 | 1987-07-14 | Fujitsu Limited | 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 |
-
1988
- 1988-11-09 DE DE3850934T patent/DE3850934T2/de not_active Expired - Fee Related
- 1988-11-09 EP EP88118651A patent/EP0315970B1/de not_active Expired - Lifetime
- 1988-11-09 AU AU24971/88A patent/AU618289B2/en not_active Ceased
- 1988-11-09 CN CN88108828A patent/CN1012411B/zh not_active Expired
-
1989
- 1989-10-10 US US07/419,366 patent/US4984252A/en not_active Expired - Fee Related
-
1991
- 1991-04-05 US US07/681,425 patent/US5155483A/en not_active Expired - Fee Related
- 1991-09-29 CN CN91109628A patent/CN1023281C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1023281C (zh) | 1993-12-22 |
CN1012411B (zh) | 1991-04-17 |
AU618289B2 (en) | 1991-12-19 |
EP0315970A2 (de) | 1989-05-17 |
EP0315970A3 (en) | 1990-04-04 |
DE3850934T2 (de) | 1994-12-01 |
CN1036303A (zh) | 1989-10-11 |
US5155483A (en) | 1992-10-13 |
CN1059813A (zh) | 1992-03-25 |
AU2497188A (en) | 1989-05-11 |
US4984252A (en) | 1991-01-08 |
EP0315970B1 (de) | 1994-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |