IT8221006A0 - Apparecchiatura di controllo di commutazione di protezione di linee. - Google Patents

Apparecchiatura di controllo di commutazione di protezione di linee.

Info

Publication number: IT8221006A0
Authority: IT; Italy
Prior art keywords: switching control; control equipment; protection switching; line protection; line
Prior art date: 1981-04-30

Application number

IT8221006A

Other languages

English (en)

Other versions

IT1159061B (it

Inventor

Warren Clifton Trested Jr

Original Assignee

Western Electric Co

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.)

1981-04-30

Filing date

1982-04-29

Publication date

1982-04-29

1982-04-29 Application filed by Western Electric Co filed Critical Western Electric Co

1982-04-29 Publication of IT8221006A0 publication Critical patent/IT8221006A0/it

1987-02-25 Application granted granted Critical

1987-02-25 Publication of IT1159061B publication Critical patent/IT1159061B/it

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Detection And Prevention Of Errors In Transmission (AREA)
Synchronisation In Digital Transmission Systems (AREA)

IT21006/82A 1981-04-30 1982-04-29 Apparecchiatura di controllo di commutazione di protezione di linee IT1159061B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/259,006 US4395772A (en)	1981-04-30	1981-04-30	Line protection switch controller

Publications (2)

Publication Number	Publication Date
IT8221006A0 true IT8221006A0 (it)	1982-04-29
IT1159061B IT1159061B (it)	1987-02-25

Family

ID=22983098

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21006/82A IT1159061B (it)	1981-04-30	1982-04-29	Apparecchiatura di controllo di commutazione di protezione di linee

Country Status (8)

Country	Link
US (1)	US4395772A (it)
JP (1)	JPS57185745A (it)
CA (1)	CA1173926A (it)
DE (1)	DE3215783C2 (it)
FR (1)	FR2505109B1 (it)
IT (1)	IT1159061B (it)
NL (1)	NL191003C (it)
SE (1)	SE454639B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4514844A (en) *	1983-06-22	1985-04-30	Gte Automatic Electric Inc.	Duplex digital span transmission circuit arrangement
DE3509511A1 (de) *	1985-03-16	1986-09-18	Philips Patentverwaltung Gmbh, 2000 Hamburg	Verfahren und schaltungsanordnung zur phasensprungfreien durchschaltung von breitbandigen digitalsignalen in einem synchronen breitbandkommunikationsnetz
CA1249633A (en) *	1985-12-11	1989-01-31	Hideaki Morimoto	Channel switching system
JPS62239736A (ja) *	1986-04-11	1987-10-20	Nec Corp	回線切替装置
JPH0624345B2 (ja) *	1986-04-28	1994-03-30	日本電気株式会社	予備回線監視回路
JPS6370632A (ja) *	1986-09-11	1988-03-30	Nec Corp	回線切替方式
US4829343A (en) *	1987-07-17	1989-05-09	American Telephone & Telegraph Company, At&T Bell Laboratories	Hot electron transistor
US5175878A (en) *	1990-02-02	1992-12-29	At&T Bell Laboratories	Radio network with switching arrangement for coupling radios to a selected antenna out of a plurality of antennas
DE4008502A1 (de) *	1990-03-16	1991-09-19	Hirschmann Richard Gmbh Co	Verfahren zum mobilen empfang von digitalen signalen
US5051979A (en) *	1990-06-28	1991-09-24	At&T Bell Laboratories	Method and apparatus for errorless switching
DE4031241A1 (de) *	1990-10-04	1992-04-09	Philips Patentverwaltung	Digitales uebertragungssystem
JP3023705B2 (ja) *	1990-12-20	2000-03-21	富士通株式会社	予備チャンネル切替え装置および方法
JPH0831856B2 (ja) *	1991-08-16	1996-03-27	インターナショナル・ビジネス・マシーンズ・コーポレイション	故障信号搬送ラインを予備信号搬送ラインで置き換える装置及び方法
US5311551A (en) *	1992-01-24	1994-05-10	At&T Bell Laboratories	Digital signal hardware protection switching
JP3434556B2 (ja) *	1994-01-10	2003-08-11	富士通株式会社	信号線切替え回路
ZA96474B (en) *	1995-03-27	1996-08-14	Alcatel Altech Telecoms Propri	Error protection in transmission
US5742646A (en) *	1995-05-05	1998-04-21	Harris Corporation	Method of selecting and switching signal paths in a digital communication system
US6151354A (en) *	1997-12-19	2000-11-21	Rockwell Science Center	Multi-mode, multi-band, multi-user radio system architecture
US6327299B1 (en) *	1999-08-31	2001-12-04	Motorola, Inc.	Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3213370A (en) *	1961-03-13	1965-10-19	Ibm	Signal selecting system with switching at the interstice between data increments
BE731482A (it) *	1968-05-15	1969-09-15
SE355709B (it) *	1972-06-09	1973-04-30	Ericsson Telefon Ab L M
JPS5726014B2 (it) *	1973-01-30	1982-06-02
US3878463A (en) *	1973-06-06	1975-04-15	Bell Telephone Labor Inc	Automatic channel switching system
JPS5439093B2 (it) *	1974-08-24	1979-11-26
SE7512401L (sv) *	1974-11-07	1976-05-10	Decca Ltd	Dempsats for antenner
CA1059215A (en) *	1974-12-24	1979-07-24	Hideki Saito	Space diversity system in pcm-tdma telecommunication system using stationary communication satellite
JPS5542790B2 (it) *	1975-01-09	1980-11-01
JPS5732535B2 (it) *	1975-02-17	1982-07-12
US3991278A (en) *	1975-06-13	1976-11-09	Bell Telephone Laboratories, Incorporated	Line protection switching system
US4143321A (en) *	1977-05-25	1979-03-06	The Boeing Co.	Apparatus and process for grouping pulse signals according to source
US4234956A (en) *	1978-10-11	1980-11-18	The General Electric Company Limited	Digital relay systems
US4246656A (en) *	1978-10-24	1981-01-20	Raytheon Company	Diversity switch correlation system
JPS5588452A (en) *	1978-12-26	1980-07-04	Nec Corp	Digital signal switching circuit for diversity receiver for digital radio communication

1981
- 1981-04-30 US US06/259,006 patent/US4395772A/en not_active Expired - Lifetime
1982
- 1982-03-31 CA CA000400226A patent/CA1173926A/en not_active Expired
- 1982-04-20 SE SE8202461A patent/SE454639B/sv not_active IP Right Cessation
- 1982-04-23 FR FR8207043A patent/FR2505109B1/fr not_active Expired
- 1982-04-28 DE DE3215783A patent/DE3215783C2/de not_active Expired
- 1982-04-29 IT IT21006/82A patent/IT1159061B/it active
- 1982-04-29 NL NL8201802A patent/NL191003C/xx not_active IP Right Cessation
- 1982-04-30 JP JP57073282A patent/JPS57185745A/ja active Pending

Also Published As

Publication number	Publication date
IT1159061B (it)	1987-02-25
DE3215783A1 (de)	1982-11-25
SE8202461L (sv)	1982-10-31
NL191003B (nl)	1994-07-01
JPS57185745A (en)	1982-11-16
NL8201802A (nl)	1982-11-16
FR2505109A1 (fr)	1982-11-05
FR2505109B1 (fr)	1985-06-28
SE454639B (sv)	1988-05-16
DE3215783C2 (de)	1987-04-16
CA1173926A (en)	1984-09-04
NL191003C (nl)	1994-12-01
US4395772A (en)	1983-07-26

Publication	Publication Date	Title
FI812837A7 (fi)	1982-03-16	Johdon suojakytkin.
IT8221006A0 (it)	1982-04-29	Apparecchiatura di controllo di commutazione di protezione di linee.
NO842575L (no)	1984-12-28	Inkontinensbeskyttelse for menn.
DE3382282D1 (de)	1991-06-20	Kabelpritschen-schutzsystem.
FI840808L (fi)	1984-02-29	Skyddsbalk.
DE3484503D1 (de)	1991-05-29	Fehlerschutzeinrichtung.
IT8322314A0 (it)	1983-07-28	Apparecchio di protezione da sovratensione.
IT8220436A0 (it)	1982-03-26	Apparecchiatura di isolamento fototrasmissiva.
NL180531C (nl)	1987-03-02	Hydrant.
DE3381272D1 (de)	1990-04-05	Schalttafel.
IT8220049A0 (it)	1982-03-09	Apparecchiatura per il controllo di memorie.
IT8119503A0 (it)	1981-02-04	Apparato di commutazione di servizio.
NO156707C (no)	1987-11-04	Overspenningsbeskyttelsesanordning.
BR8206331A (pt)	1983-09-20	Instalacao de comutacao
FI811873A7 (fi)	1981-12-28	Kytkinlaite.
BR8206525A (pt)	1983-09-27	Instalacao de comutacao
DE3575502D1 (de)	1990-02-22	Transformatorschutzrelais.
IT8319201A0 (it)	1983-01-20	Apparecchiatura di inserimento o commutazione per dispositivi diprotezione.
IT7827142A0 (it)	1978-08-30	Interruttore di protezione per correnti di guasto.
FI853295A7 (fi)	1985-08-28	Transienttien suojayksikkö.
IT8221772A0 (it)	1982-06-08	Apparecchiatura di spruzzatura.
GB2098029B (en)	1984-08-22	Channel protection switching arrangement
IT8241615A0 (it)	1982-07-08	Apparecchiatura per il controllo di circuiti.
NO853986L (no)	1985-10-08	Beskyttelsesanordning.
IT8219835A0 (it)	1982-02-24	Interruttore di sicurezza contro correnti di guasto.

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19960424