FI800891A7 - Abonnentanslutningskoppling med jordningsknapp- och isolationsfelsindikation - Google Patents

Abonnentanslutningskoppling med jordningsknapp- och isolationsfelsindikation

Info

Publication number: FI800891A7
Authority: FI; Finland
Prior art keywords: jordningsknapp; isolationsfelsindikation; abonnentanslutningskoppling; och; med
Prior art date: 1979-03-23

Application number

FI800891A

Other languages

English (en)

Other versions

FI74858C (fi

FI74858B (fi

Inventor

Robert Lechner

Original Assignee

Siemens Ag

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.)

1979-03-23

Filing date

1980-03-21

Publication date

1980-09-24

1980-03-21 Application filed by Siemens Ag filed Critical Siemens Ag

1980-09-24 Publication of FI800891A7 publication Critical patent/FI800891A7/fi

1987-11-30 Application granted granted Critical

1987-11-30 Publication of FI74858B publication Critical patent/FI74858B/fi

1988-03-10 Publication of FI74858C publication Critical patent/FI74858C/fi

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Monitoring And Testing Of Exchanges (AREA)
Interface Circuits In Exchanges (AREA)
Telephonic Communication Services (AREA)
Exchange Systems With Centralized Control (AREA)

FI800891A 1979-03-23 1980-03-21 Abonnentanslutningskoppling med jordningsknapp- och isolationsfelsindikation. FI74858C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE2911517A DE2911517C2 (de)	1979-03-23	1979-03-23	Teilnehmeranschlußschaltung mit Erdtasten- und Isolationsfehlerindikation
DE2911517		1979-03-23

Publications (3)

Publication Number	Publication Date
FI800891A7 true FI800891A7 (fi)	1980-09-24
FI74858B FI74858B (fi)	1987-11-30
FI74858C FI74858C (fi)	1988-03-10

Family

ID=6066265

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI800891A FI74858C (fi)	1979-03-23	1980-03-21	Abonnentanslutningskoppling med jordningsknapp- och isolationsfelsindikation.

Country Status (7)

Country	Link
US (1)	US4301334A (fi)
EP (1)	EP0017763B1 (fi)
JP (1)	JPS55128995A (fi)
AT (1)	ATE3801T1 (fi)
DE (2)	DE2911517C2 (fi)
FI (1)	FI74858C (fi)
ZA (1)	ZA801684B (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2911584C2 (de) *	1979-03-23	1981-06-11	Siemens AG, 1000 Berlin und 8000 München	Teilnehmeranschlußschaltung mit Erdtastenbetätigungsindikation, hochohmig schaltbarer Speisung und Einrichtung zur Rufsignalerzeugung
DE3035287A1 (de) *	1980-09-18	1982-04-22	Siemens AG, 1000 Berlin und 8000 München	Teilnehmeranschlussschaltung
FR2501940B1 (fr) *	1981-03-11	1985-07-19	Trt Telecom Radio Electr	Detecteur de boucle peu sensible aux tensions longitudinales
FR2502434A1 (fr) *	1981-03-20	1982-09-24	Trt Telecom Radio Electr	Circuit pour reduire la consommation dans un equipement de ligne d'abonne en cas de faux appel
DE3207318A1 (de) *	1982-03-01	1983-09-08	Siemens AG, 1000 Berlin und 8000 München	Teilnehmeranschlussschaltung mit niederohmig ueberbrueckbaren speisewiderstaenden und einer unterschiedliche indikationen durchfuehrenden indikationsschaltung
DE3235085A1 (de) *	1982-09-22	1984-03-22	Siemens AG, 1000 Berlin und 8000 München	Schleifenstromeinspeisung fuer einen kennzeichenumsetzer
US4593156A (en) *	1984-05-18	1986-06-03	Itt Corporation	Grounded tip detector
DE3433330A1 (de) *	1984-09-11	1986-03-20	Siemens AG, 1000 Berlin und 8000 München	Schaltungsanordnung zur indikation der erdung einer ader einer teilnehmerleitung bei erdtastendruck
DE3541546A1 (de) *	1985-11-25	1987-05-27	Ant Nachrichtentech	Anordnung zur realisierung einer erdtastenfunktion
WO1990008441A1 (en) *	1989-01-19	1990-07-26	Fujitsu Limited	Earth detecting circuit
GB9104133D0 (en) *	1991-02-27	1991-04-17	Plessey Telecomm	Remote line test facility
US7340051B2 (en) *	2003-05-30	2008-03-04	Adc Dsl Systems, Inc.	Power ramp-up in a line-powered network element system
DE202006006221U1 (de) *	2006-04-13	2006-07-06	Lincoln Gmbh & Co. Kg	Förderpumpe und Dichtungsanordnung hierfür
DE102022100351A1 (de)	2022-01-10	2023-07-13	Phoenix Contact Gmbh & Co. Kg	Steckverbinder mit einer Einrichtung zur Detektion eines Kriechstroms, Anordnung zur Ausbildung einer Steckverbindung und Verfahren zur Detektion eines Kriechstroms in einem Steckverbinder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3121775A (en) *	1959-12-23	1964-02-18	Bell Telephone Labor Inc	Line insulation testing in telephone systems
GB1236897A (en) *	1969-06-18	1971-06-23	Sits Soc It Telecom Siemens	Improvements in or relating to compensating circuits
US3715511A (en) *	1969-09-24	1973-02-06	Stromberg Carlson Corp	Telephone pulsing circuit
DE2520975C3 (de)	1975-05-10	1980-06-12	Elmeg Elektro-Mechanik Gmbh, 3150 Peine	Schaltungsanordnung zum Erfassen von Schleifenzuständen in Fernsprechanlagen
DE2547880C2 (de)	1975-10-25	1981-09-24	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Schaltungsanordnung zur Erkennung von Betriebszuständen einer Teilnehmerleitung und zur Rufanschaltung sowie Rufabschaltung in Fernsprechvermittlungsanlagen

1979
- 1979-03-23 DE DE2911517A patent/DE2911517C2/de not_active Expired
1980
- 1980-03-06 US US06/127,569 patent/US4301334A/en not_active Expired - Lifetime
- 1980-03-13 AT AT80101329T patent/ATE3801T1/de not_active IP Right Cessation
- 1980-03-13 EP EP80101329A patent/EP0017763B1/de not_active Expired
- 1980-03-13 DE DE8080101329T patent/DE3063730D1/de not_active Expired
- 1980-03-21 ZA ZA00801684A patent/ZA801684B/xx unknown
- 1980-03-21 FI FI800891A patent/FI74858C/fi not_active IP Right Cessation
- 1980-03-24 JP JP3633480A patent/JPS55128995A/ja active Granted

Also Published As

Publication number	Publication date
FI74858C (fi)	1988-03-10
DE2911517B1 (de)	1980-09-11
JPS55128995A (en)	1980-10-06
FI74858B (fi)	1987-11-30
ZA801684B (en)	1981-03-25
EP0017763B1 (de)	1983-06-15
ATE3801T1 (de)	1983-06-15
DE2911517C2 (de)	1981-07-09
US4301334A (en)	1981-11-17
JPS646598B2 (fi)	1989-02-03
EP0017763A1 (de)	1980-10-29
DE3063730D1 (en)	1983-07-21

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: SIEMENS AKTIENGESELLSCHAFT