NL7700719A - Storingsongevoelig lijnsupervisiecircuit. - Google Patents

Storingsongevoelig lijnsupervisiecircuit.

Info

Publication number: NL7700719A
Authority: NL; Netherlands
Prior art keywords: resistant line; supervision circuit; interference resistant; line supervision; interference
Prior art date: 1977-01-25

Application number

NL7700719A

Other languages

English (en)

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.)

1977-01-25

Filing date

1977-01-25

Publication date

1978-07-27

1977-01-25 Application filed by Philips Nv filed Critical Philips Nv

1977-01-25 Priority to NL7700719A priority Critical patent/NL7700719A/nl

1978-01-12 Priority to US05/868,806 priority patent/US4158109A/en

1978-01-13 Priority to DE2801335A priority patent/DE2801335C3/de

1978-01-18 Priority to CA295,192A priority patent/CA1096981A/en

1978-01-20 Priority to GB2371/78A priority patent/GB1545453A/en

1978-01-20 Priority to AU32605/78A priority patent/AU517027B2/en

1978-01-23 Priority to SE7800717A priority patent/SE435883B/sv

1978-01-23 Priority to BE184553A priority patent/BE863213A/xx

1978-01-23 Priority to BR7800384A priority patent/BR7800384A/pt

1978-01-24 Priority to JP663078A priority patent/JPS5394108A/ja

1978-01-24 Priority to FR7801885A priority patent/FR2378417A1/fr

1978-07-27 Publication of NL7700719A publication Critical patent/NL7700719A/nl

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)
Monitoring And Testing Of Exchanges (AREA)
Emergency Protection Circuit Devices (AREA)

NL7700719A 1977-01-25 1977-01-25 Storingsongevoelig lijnsupervisiecircuit. NL7700719A (nl)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
NL7700719A NL7700719A (nl)	1977-01-25	1977-01-25	Storingsongevoelig lijnsupervisiecircuit.
US05/868,806 US4158109A (en)	1977-01-25	1978-01-12	Interference insensitive line supervision circuit
DE2801335A DE2801335C3 (de)	1977-01-25	1978-01-13	Störungsunempfindlicher Leitungs-überwachungskreis
CA295,192A CA1096981A (en)	1977-01-25	1978-01-18	Interference insensitive line supervision circuit
GB2371/78A GB1545453A (en)	1977-01-25	1978-01-20	Telephone line connecting circuit
AU32605/78A AU517027B2 (en)	1977-01-25	1978-01-20	Interference insensitive line supervision circuit
SE7800717A SE435883B (sv)	1977-01-25	1978-01-23	Kopplingskrets for telefonledningar innefattande en storningsokenslig linjeovervakningskrets
BE184553A BE863213A (fr)	1977-01-25	1978-01-23	Circuit pour la connexion de lignes telephoniques muni d'un circuit de supervision de ligne, insensible aux signaux parasites
BR7800384A BR7800384A (pt)	1977-01-25	1978-01-23	Circuito de ligacao para linhas telefonicas
JP663078A JPS5394108A (en)	1977-01-25	1978-01-24	Telephone line connecting circuit
FR7801885A FR2378417A1 (fr)	1977-01-25	1978-01-24	Circuit pour la connexion de lignes telephoniques muni d'un circuit de supervision de ligne, insensible aux signaux parasites

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7700719A NL7700719A (nl)	1977-01-25	1977-01-25	Storingsongevoelig lijnsupervisiecircuit.

Publications (1)

Publication Number	Publication Date
NL7700719A true NL7700719A (nl)	1978-07-27

Family

ID=19827835

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7700719A NL7700719A (nl)	1977-01-25	1977-01-25	Storingsongevoelig lijnsupervisiecircuit.

Country Status (11)

Country	Link
US (1)	US4158109A (nl)
JP (1)	JPS5394108A (nl)
AU (1)	AU517027B2 (nl)
BE (1)	BE863213A (nl)
BR (1)	BR7800384A (nl)
CA (1)	CA1096981A (nl)
DE (1)	DE2801335C3 (nl)
FR (1)	FR2378417A1 (nl)
GB (1)	GB1545453A (nl)
NL (1)	NL7700719A (nl)
SE (1)	SE435883B (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IL57011A (en) *	1979-04-05	1982-05-31	Tadiran Israel Elect Ind Ltd	Multi purpose current detector for pabx
NL7903665A (nl) *	1979-05-10	1980-11-12	Philips Nv	Aansluitschakeling voor een telefoonlijn.
DE2938998C2 (de) *	1979-09-26	1984-12-13	Siemens AG, 1000 Berlin und 8000 München	Schaltungsanordnung für eine die Schaltzustände einer Übertragungsleitung, insbesondere einer Teilnehmeranschlußleitung registrierenden Indikatorschaltung in Fernsprechvermittlungsanlagen
GB2066023B (en) *	1979-12-13	1983-11-09	Standard Telephones Cables Ltd	Telephone line interface
US4323734A (en) *	1980-05-15	1982-04-06	Crest Industries, Inc.	Interface circuit for telephone line to equipment signal coupling
FR2501940B1 (fr) *	1981-03-11	1985-07-19	Trt Telecom Radio Electr	Detecteur de boucle peu sensible aux tensions longitudinales
JPS58191479U (ja) *	1982-06-16	1983-12-20	カルソニックカンセイ株式会社	バランス型ウオ−タコツク
US4809324A (en) *	1987-07-27	1989-02-28	Siemens Transmission Systems, Inc.	Subscriber line interface circuit (SLIC) isolation from lighting-induced ground overshoots
JPH0193687A (ja) *	1987-10-02	1989-04-12	Hidekuni Yokota	リフト弁装置
SE459138B (sv) *	1987-10-08	1989-06-05	Ericsson Telefon Ab L M	Anordning i ett telekommunikationssystem vid inkoppling och urkoppling av en ringsignal
JP2639304B2 (ja) *	1993-06-15	1997-08-13	日本電気株式会社	加入者回路
DE59510669D1 (de) *	1994-02-24	2003-06-12	Infineon Technologies Ag	Integrierbare Schaltungsanordnung zur störsicheren Abhebeerkennung bei Fernsprecheinrichtungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1479094A (en) *	1975-03-25	1977-07-06	Standard Telephones Cables Ltd	Ring trip detectors
GB1563803A (en) *	1975-11-26	1980-04-02	Post Office	Telecommunications transmission and signalling curcuits

1977
- 1977-01-25 NL NL7700719A patent/NL7700719A/nl not_active Application Discontinuation
1978
- 1978-01-12 US US05/868,806 patent/US4158109A/en not_active Expired - Lifetime
- 1978-01-13 DE DE2801335A patent/DE2801335C3/de not_active Expired
- 1978-01-18 CA CA295,192A patent/CA1096981A/en not_active Expired
- 1978-01-20 GB GB2371/78A patent/GB1545453A/en not_active Expired
- 1978-01-20 AU AU32605/78A patent/AU517027B2/en not_active Expired
- 1978-01-23 SE SE7800717A patent/SE435883B/sv not_active Application Discontinuation
- 1978-01-23 BR BR7800384A patent/BR7800384A/pt unknown
- 1978-01-23 BE BE184553A patent/BE863213A/xx not_active IP Right Cessation
- 1978-01-24 FR FR7801885A patent/FR2378417A1/fr active Granted
- 1978-01-24 JP JP663078A patent/JPS5394108A/ja active Granted

Also Published As

Publication number	Publication date
JPS576869B2 (nl)	1982-02-06
AU517027B2 (en)	1981-07-02
DE2801335C3 (de)	1980-07-03
FR2378417B1 (nl)	1982-09-03
DE2801335A1 (de)	1978-07-27
DE2801335B2 (de)	1979-10-18
SE7800717L (sv)	1978-07-26
US4158109A (en)	1979-06-12
GB1545453A (en)	1979-05-10
BE863213A (fr)	1978-07-24
CA1096981A (en)	1981-03-03
AU3260578A (en)	1979-07-26
BR7800384A (pt)	1978-10-03
JPS5394108A (en)	1978-08-17
SE435883B (sv)	1984-10-22
FR2378417A1 (fr)	1978-08-18

Publication	Publication Date	Title
NL7807507A (nl)	1979-01-29	Tricyclische verbindingen.
FI781597A (fi)	1978-11-21	Saosom bindemedel foer bestrykningskompositioner foer papper anvaendbar vattenhaltig polymerlatex.
BE865203A (fr)	1978-09-22	Hogedruk-kwikdampontladingslamp.
NL7805121A (nl)	1978-11-15	Gesubstitueerde fenylaminocarbonylbenzamiden.
NL7805196A (nl)	1978-11-21	Railhangbaan-installatie.
NL7811340A (nl)	1979-05-30	Vetpatroon.
NL7804145A (nl)	1978-10-20	Gesubstitueerde octanen.
NL7800181A (nl)	1978-07-17	Zetelscharnierverbindingen.
NL186426C (nl)	1990-11-16	Abonneecircuit.
NL7810846A (nl)	1979-05-03	Enzymbepalingen.
NL7712585A (nl)	1979-05-17	Hydrofoorinstallatie.
NL7810556A (nl)	1979-04-24	Circuit.
NL7700719A (nl)	1978-07-27	Storingsongevoelig lijnsupervisiecircuit.
IT7831194A0 (it)	1978-12-21	Ancora marina.
IT7831369A0 (it)	1978-12-28	Ancora.
NL7713096A (nl)	1978-08-21	Gesubstitueerde alaninen.
NL7801790A (nl)	1978-10-31	Bewakingsschakeling.
NO145062C (no)	1982-01-20	Laaseanordning.
IT7830175A0 (it)	1978-11-24	Innesto elettrico.
NO772773L (no)	1979-02-09	Abonnentlinjekrets.
ES226251Y (es)	1977-08-01	Estuche.
NL7808906A (nl)	1979-05-02	Aminoazoverbindingen.
ES226275Y (es)	1977-11-16	Fleco despedregador.
ES230297Y (es)	1978-02-16	Biombo fono-absorbente.
ES226452Y (es)	1977-08-01	Lingotera.

Legal Events

Date	Code	Title	Description
1982-09-01	BV	The patent application has lapsed