NL8204377A - Abonneecircuit voor een telefoonnet. - Google Patents

Abonneecircuit voor een telefoonnet. Download PDF

Info

Publication number: NL8204377A
Authority: NL; Netherlands
Prior art keywords: circuit; transistor; subscriber; current; resistor
Prior art date: 1982-11-12

Application number

NL8204377A

Other languages

English (en)

Dutch (nl)

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.)

1982-11-12

Filing date

1982-11-12

Publication date

1984-06-01

1982-11-12 Application filed by Philips Nv filed Critical Philips Nv

1982-11-12 Priority to NL8204377A priority Critical patent/NL8204377A/nl

1983-01-21 Priority to US06/459,858 priority patent/US4608461A/en

1983-11-08 Priority to CA000440700A priority patent/CA1206648A/en

1983-11-09 Priority to DK512583A priority patent/DK512583A/da

1983-11-10 Priority to AU21144/83A priority patent/AU563742B2/en

1983-11-10 Priority to EP83201608A priority patent/EP0109705B1/en

1983-11-10 Priority to DE8383201608T priority patent/DE3370737D1/de

1983-11-11 Priority to JP58211124A priority patent/JPS59101955A/ja

1984-06-01 Publication of NL8204377A publication Critical patent/NL8204377A/nl

Links

239000003990 capacitor Substances 0.000 claims description 20
230000008878 coupling Effects 0.000 claims description 20
238000010168 coupling process Methods 0.000 claims description 20
238000005859 coupling reaction Methods 0.000 claims description 20
230000000295 complement effect Effects 0.000 claims description 4
239000004020 conductor Substances 0.000 description 7
230000003321 amplification Effects 0.000 description 3
230000007797 corrosion Effects 0.000 description 3
238000005260 corrosion Methods 0.000 description 3
230000006698 induction Effects 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
238000003199 nucleic acid amplification method Methods 0.000 description 3
230000008054 signal transmission Effects 0.000 description 3
239000010902 straw Substances 0.000 description 3
238000010586 diagram Methods 0.000 description 2
238000004804 winding Methods 0.000 description 2
230000000694 effects Effects 0.000 description 1
238000003197 gene knockdown Methods 0.000 description 1
238000009499 grossing Methods 0.000 description 1
238000000034 method Methods 0.000 description 1
230000021715 photosynthesis, light harvesting Effects 0.000 description 1
210000003462 vein Anatomy 0.000 description 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
- H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

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

NL8204377A 1982-11-12 1982-11-12 Abonneecircuit voor een telefoonnet. NL8204377A (nl)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
NL8204377A NL8204377A (nl)	1982-11-12	1982-11-12	Abonneecircuit voor een telefoonnet.
US06/459,858 US4608461A (en)	1982-11-12	1983-01-21	Subscriber circuit for a telephone network
CA000440700A CA1206648A (en)	1982-11-12	1983-11-08	Subscriber circuit for a telephone network
DK512583A DK512583A (da)	1982-11-12	1983-11-09	Abonnentkreds til et telefonnet
AU21144/83A AU563742B2 (en)	1982-11-12	1983-11-10	Subscriber circuit for a telephone network
EP83201608A EP0109705B1 (en)	1982-11-12	1983-11-10	Subscriber circuit for a telephone network
DE8383201608T DE3370737D1 (en)	1982-11-12	1983-11-10	Subscriber circuit for a telephone network
JP58211124A JPS59101955A (ja)	1982-11-12	1983-11-11	加入者回路

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8204377A NL8204377A (nl)	1982-11-12	1982-11-12	Abonneecircuit voor een telefoonnet.
NL8204377		1982-11-12

Publications (1)

Publication Number	Publication Date
NL8204377A true NL8204377A (nl)	1984-06-01

Family

ID=19840578

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8204377A NL8204377A (nl)	1982-11-12	1982-11-12	Abonneecircuit voor een telefoonnet.

Country Status (8)

Country	Link
US (1)	US4608461A (da)
EP (1)	EP0109705B1 (da)
JP (1)	JPS59101955A (da)
AU (1)	AU563742B2 (da)
CA (1)	CA1206648A (da)
DE (1)	DE3370737D1 (da)
DK (1)	DK512583A (da)
NL (1)	NL8204377A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4551670A (en) *	1984-04-19	1985-11-05	At&T Bell Laboratories	Circuit for maintaining the DC voltage on an electrically isolated telecommunication line at a reference level
US4679232A (en) *	1985-08-02	1987-07-07	American Telephone And Telegraph Company, At&T Bell Laboratories	Method and apparatus for providing a ground reference for telephone customer special circuits powered from a floating battery feed
US7869179B2 (en) *	2007-03-14	2011-01-11	Panduit Corp.	Protection patch panel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3223781A (en) *	1962-02-13	1965-12-14	Itt	Constant voltage device
FR2254168A1 (en) *	1973-12-11	1975-07-04	Ass Ouvriers Instr Precision	Telephone line supply device - is an active electronic device acting as resistance for direct current and high impedance for A.C.
FR2315811A1 (fr) *	1975-06-27	1977-01-21	Labo Cent Telecommunicat	Dipole electronique pour le bouclage d'une ligne telephonique
GB1563802A (en) *	1975-11-10	1980-04-02	Post Office	Electronic current feed circuit
FR2373927A1 (fr) *	1976-12-10	1978-07-07	Trt Telecom Radio Electr	Reseau electrique destine a etre insere par une paire de bornes dans une boucle d'abonne telephonique
FR2382810A1 (fr) *	1977-03-02	1978-09-29	Labo Cent Telecommunicat	Circuit d'alimentation de ligne telephonique avec protection
FR2403690A1 (fr) *	1977-09-14	1979-04-13	Labo Cent Telecommunicat	Dipole gyrateur
US4272656A (en) *	1979-04-05	1981-06-09	Precision Monolithics, Inc.	Quasi-resistive battery feed for telephone circuits
NL7903662A (nl) *	1979-05-10	1980-11-12	Philips Nv	Lijncircuit.
NL7904159A (nl) *	1979-05-28	1980-12-02	Philips Nv	Inrichting voor het toevoeren van signalen aan een telefoonlijn.
US4476351A (en) *	1982-03-25	1984-10-09	Rockwell International Corporation	Subscriber loop current regulator
US4440979A (en) *	1982-05-03	1984-04-03	Gte Automatic Electric Incorporated	Current sink for DPT channel unit
US4511763A (en) *	1982-11-01	1985-04-16	Gte Communication Systems Corporation	Floating dc current source for a subscriber loop circuit

1982
- 1982-11-12 NL NL8204377A patent/NL8204377A/nl not_active Application Discontinuation
1983
- 1983-01-21 US US06/459,858 patent/US4608461A/en not_active Expired - Fee Related
- 1983-11-08 CA CA000440700A patent/CA1206648A/en not_active Expired
- 1983-11-09 DK DK512583A patent/DK512583A/da not_active Application Discontinuation
- 1983-11-10 EP EP83201608A patent/EP0109705B1/en not_active Expired
- 1983-11-10 AU AU21144/83A patent/AU563742B2/en not_active Ceased
- 1983-11-10 DE DE8383201608T patent/DE3370737D1/de not_active Expired
- 1983-11-11 JP JP58211124A patent/JPS59101955A/ja active Pending

Also Published As

Publication number	Publication date
JPS59101955A (ja)	1984-06-12
DK512583A (da)	1984-05-13
EP0109705A1 (en)	1984-05-30
DE3370737D1 (en)	1987-05-07
EP0109705B1 (en)	1987-04-01
AU2114483A (en)	1984-05-17
AU563742B2 (en)	1987-07-23
CA1206648A (en)	1986-06-24
DK512583D0 (da)	1983-11-09
US4608461A (en)	1986-08-26

Legal Events

Date	Code	Title
1984-06-01	A1B	A search report has been drawn up
1985-01-01	A85	Still pending on 85-01-01
1986-07-01	BV	The patent application has lapsed

Publication	Publication Date	Title
EP0351009B1 (en)	1994-11-30	Telephone line loop current regulator
GB1563802A (en)	1980-04-02	Electronic current feed circuit
SE437320B (sv)	1985-02-18	Abonnentkoppling for anslutning av en telefonledning till en telefonvexel
SE450445B (sv)	1987-06-22	Integrerad forsterkarkoppling
NL8204377A (nl)	1984-06-01	Abonneecircuit voor een telefoonnet.
US3733536A (en)	1973-05-15	Current sensor for low pass filter
US4776007A (en)	1988-10-04	Solid state trunk circuit
US4314106A (en)	1982-02-02	Line circuit
NL8302197A (nl)	1985-01-16	Beveiligingsschakeling.
US4588860A (en)	1986-05-13	Battery feed circuit for telephone subscriber line
US6020732A (en)	2000-02-01	Flux cancelling transformer line circuit
US3943432A (en)	1976-03-09	Electronic feeding bridge
US4562525A (en)	1985-12-31	DC Power supply circuit for line interface circuits
US3418561A (en)	1968-12-24	Solid-state filter circuit
GB2073524A (en)	1981-10-14	Class ab amplifying circuit
US3974345A (en)	1976-08-10	Negative impedance repeater with double amplification, for telephone lines
EP0056810A1 (en)	1982-08-04	Loop sensing circuit for use with a subscriber loop interface circuit
NL8601548A (nl)	1988-01-18	Telefoontoestel voorzien van een lijnspanningsstabilisator met een dc-voedingspunt.
JPS61253969A (ja)	1986-11-11	電話用給電回路
JPS5986951A (ja)	1984-05-19	電話設備
JPS61256812A (ja)	1986-11-14	電子化インダクタンス回路
EP0155074A2 (en)	1985-09-18	Active impedance line feed circuit with improved ground fault protection
JPS62157415A (ja)	1987-07-13	等価インダクタンス回路
GB1602130A (en)	1981-11-04	Telecommunication line circuits
JPS6251548B2 (da)	1987-10-30