DK413079A - Transmissionsbro til en abonnentkreds - Google Patents

Transmissionsbro til en abonnentkreds

Info

Publication number: DK413079A
Authority: DK; Denmark
Prior art keywords: transmission bridge; subscription; circuit; subscription circuit; bridge
Prior art date: 1978-10-06

Application number

DK413079A

Other languages

Danish (da)

English (en)

Inventor

A H J Reuvekamp

Original Assignee

Philips Nv

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.)

1978-10-06

Filing date

1979-10-02

Publication date

1980-04-07

1979-10-02 Application filed by Philips Nv filed Critical Philips Nv

1980-04-07 Publication of DK413079A publication Critical patent/DK413079A/da

Links

230000005540 biological transmission Effects 0.000 title 1

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
- H04M19/008—Using DC/DC converters

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Devices For Supply Of Signal Current (AREA)
Interface Circuits In Exchanges (AREA)
Amplifiers (AREA)

DK413079A 1978-10-06 1979-10-02 Transmissionsbro til en abonnentkreds DK413079A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7810086A NL7810086A (nl)	1978-10-06	1978-10-06	Voedingsbrug voor een abonneestroomloop.

Publications (1)

Publication Number	Publication Date
DK413079A true DK413079A (da)	1980-04-07

Family

ID=19831672

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK413079A DK413079A (da)	1978-10-06	1979-10-02	Transmissionsbro til en abonnentkreds

Country Status (14)

Country	Link
US (1)	US4287393A (fr)
JP (1)	JPS5831789B2 (fr)
AU (1)	AU528288B2 (fr)
BE (1)	BE879204A (fr)
BR (1)	BR7906373A (fr)
CA (1)	CA1138139A (fr)
CH (1)	CH646827A5 (fr)
DE (1)	DE2940025C3 (fr)
DK (1)	DK413079A (fr)
FR (1)	FR2438394A1 (fr)
GB (1)	GB2032733B (fr)
IT (1)	IT1193352B (fr)
NL (1)	NL7810086A (fr)
SE (1)	SE436961B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2491704B1 (fr) *	1980-10-03	1985-06-07	Constr Telephoniques	Circuit d'alimentation d'une ligne telephonique
DE3116783C2 (de) *	1981-04-28	1983-09-01	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Schaltungsanordnung für eine Teilnehmeranschlußschaltung für Fernsprechanlagen
US4431868A (en) *	1981-07-09	1984-02-14	International Telephone And Telegraph Corporation	Solid state telephone line interface circuit with ringing capability
NL8103572A (nl) *	1981-07-29	1983-02-16	Philips Nv	Drijverschakeling.
DE3473803D1 (en) *	1984-06-20	1988-10-06	Ibm	Detection circuit for current varations
JPS61154347A (ja) *	1984-12-27	1986-07-14	Fujitsu Ltd	交換機の給電回路
AT386307B (de) *	1986-05-23	1988-08-10	Siemens Ag Oesterreich	Fernsprechteilnehmerschaltung
US4852160A (en) *	1987-03-03	1989-07-25	Kiko Frederick J	Channel unit interface circuit
US5586181A (en) *	1990-09-04	1996-12-17	Tollgrade Communications, Inc.	Metallic channel unit network
US5457743A (en) *	1990-09-04	1995-10-10	Tollgrade Communications, Inc.	Metallic channel unit network
US5202919A (en) *	1990-09-04	1993-04-13	Tollgrade Communications, Inc.	Metallic channel unit network
US5557672A (en) *	1993-03-10	1996-09-17	Antec Corporation	Channel interface unit
DE19733250A1 (de) *	1997-08-01	1999-02-04	Deutsche Telephonwerk Kabel	Schaltungsanordnung für eine Netzabschlußeinheit
WO2011052374A1 (fr) *	2009-11-02	2011-05-05	エルメック株式会社	Filtre de mode commun

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH586984A5 (fr) *	1974-12-23	1977-04-15	Ibm
GB1563802A (en) *	1975-11-10	1980-04-02	Post Office	Electronic current feed circuit
US4007335A (en) *	1975-11-12	1977-02-08	Bell Telephone Laboratories, Incorporated	Telephone line battery feed circuit
US4041252A (en) *	1976-06-07	1977-08-09	North Electric Company	Transformerless two-wire/four-wire hybrid with DC sourcing capability
FR2363952A1 (fr) *	1976-09-03	1978-03-31	Thomson Csf	Circuit de ligne telephonique
DE2655005C3 (de) *	1976-12-02	1980-04-17	Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin	Schaltungsanordnung für eine elektronische Teilnehmerspeisung
FR2414832A1 (fr) *	1978-01-13	1979-08-10	Labo Cent Telecommunicat	Pont d'alimentation pour ligne telephonique
GB2013000A (en) *	1978-01-20	1979-08-01	Hitachi Ltd Dc	D.C. magnetic field cancellation circuit

1978
- 1978-10-06 NL NL7810086A patent/NL7810086A/nl not_active Application Discontinuation
1979
- 1979-09-20 US US06/077,470 patent/US4287393A/en not_active Expired - Lifetime
- 1979-09-27 FR FR7924099A patent/FR2438394A1/fr active Granted
- 1979-10-02 DK DK413079A patent/DK413079A/da not_active Application Discontinuation
- 1979-10-03 SE SE7908193A patent/SE436961B/xx not_active IP Right Cessation
- 1979-10-03 CA CA000336884A patent/CA1138139A/fr not_active Expired
- 1979-10-03 DE DE2940025A patent/DE2940025C3/de not_active Expired
- 1979-10-03 CH CH892179A patent/CH646827A5/de not_active IP Right Cessation
- 1979-10-03 GB GB7903422A patent/GB2032733B/en not_active Expired
- 1979-10-03 BR BR7906373A patent/BR7906373A/pt unknown
- 1979-10-03 IT IT26247/79A patent/IT1193352B/it active
- 1979-10-03 AU AU51415/79A patent/AU528288B2/en not_active Ceased
- 1979-10-04 JP JP54127439A patent/JPS5831789B2/ja not_active Expired
- 1979-10-04 BE BE0/197477A patent/BE879204A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2438394A1 (fr)	1980-04-30
DE2940025C3 (de)	1982-02-11
AU528288B2 (en)	1983-04-21
BE879204A (fr)	1980-04-04
FR2438394B1 (fr)	1983-02-18
DE2940025A1 (de)	1980-04-10
SE436961B (sv)	1985-01-28
AU5141579A (en)	1980-04-17
US4287393A (en)	1981-09-01
JPS5831789B2 (ja)	1983-07-08
GB2032733A (en)	1980-05-08
IT1193352B (it)	1988-06-15
DE2940025B2 (de)	1981-06-19
IT7926247A0 (it)	1979-10-03
JPS5550769A (en)	1980-04-12
CA1138139A (fr)	1982-12-21
CH646827A5 (de)	1984-12-14
GB2032733B (en)	1982-09-29
SE7908193L (sv)	1980-04-07
BR7906373A (pt)	1980-06-24
NL7810086A (nl)	1980-04-09

Legal Events

Date	Code	Title	Description
1985-10-21	ATS	Application withdrawn

Publication	Publication Date	Title
DK71980A (da)	1981-08-20	Brokonverterkredsloeb
BE877451A (fr)	1979-11-05	Connecteurs
IT1112993B (it)	1986-01-20	Accoppiatore ottico
AR217541A1 (es)	1980-03-31	Conexion roscada mejorada
DK78279A (da)	1979-08-24	Gaffel til kardanforbindelse
SE7902504L (sv)	1979-09-23	Sett att paverka vextlighet
DK413079A (da)	1980-04-07	Transmissionsbro til en abonnentkreds
IT1111933B (it)	1986-01-13	Connettore
SE7909670L (sv)	1980-05-30	Reglerad avbojningskrets
SE7902918L (sv)	1979-10-04	Integratorkrets
SE7813077L (sv)	1979-07-04	Ekodempande krets
SE7900238L (sv)	1979-07-14	Sett att setta samman formar
IT1196403B (it)	1988-11-16	Perfezionamenti apportati a dispositivi termoretraibili
SE7900273L (sv)	1979-07-21	Reglerad avbojningskrets
DK147079A (da)	1979-10-11	Koblingselement
DK43079A (da)	1979-08-03	Koblingsorgan
BR7902151A (pt)	1979-12-04	Conjunto de transmissao
BE878036A (fr)	1979-12-03	Element de raccordement
DK528079A (da)	1980-06-14	Cykeltransmission
DK148028C (da)	1985-07-01	Elektronisk udloesesystem
BE883242A (fr)	1980-11-12	Bicyclette
AT361744B (de)	1981-03-25	Verbindungselement
BE878922A (fr)	1980-01-16	Perfectionnements relatifs a des appareils de sectionnement
IT7868327A0 (it)	1978-06-08	Perfezionamenti a dispositivi di selezione di segnali
ES241084Y (es)	1980-05-16	Monopatin