NL186426C - Abonneecircuit. - Google Patents

Abonneecircuit.

Info

Publication number: NL186426C
Authority: NL; Netherlands
Prior art keywords: subscription; circuit; subscription circuit
Prior art date: 1977-10-17

Application number

NLAANVRAGE7810301,A

Other languages

English (en)

Other versions

NL7810301A (nl

Original Assignee

Trt Telecom Radio Electr

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.)

1977-10-17

Filing date

1978-10-13

Publication date

1990-11-16

1977-10-17 Priority claimed from FR7731145A external-priority patent/FR2406357A1/fr

1977-12-20 Priority claimed from FR7738404A external-priority patent/FR2412995A2/fr

1978-01-19 Priority claimed from FR7801461A external-priority patent/FR2415405A1/fr

1978-10-13 Application filed by Trt Telecom Radio Electr filed Critical Trt Telecom Radio Electr

1979-04-19 Publication of NL7810301A publication Critical patent/NL7810301A/nl

1990-11-16 Application granted granted Critical

1990-11-16 Publication of NL186426C publication Critical patent/NL186426C/nl

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
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/023—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone by reversing the polarity of the current at the exchange

Landscapes

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

NLAANVRAGE7810301,A 1977-10-17 1978-10-13 Abonneecircuit. NL186426C (nl)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FR7731145A FR2406357A1 (fr)	1977-10-17	1977-10-17	Joncteur d'abonne telephonique
FR7738404A FR2412995A2 (fr)	1977-12-20	1977-12-20	Joncteur d'abonne telephonique
FR7801461A FR2415405A1 (fr)	1978-01-19	1978-01-19	Joncteur d'abonne utilisant des impulsions modulees en largeur pour engendrer les signaux d'appel et de taxation

Publications (2)

Publication Number	Publication Date
NL7810301A NL7810301A (nl)	1979-04-19
NL186426C true NL186426C (nl)	1990-11-16

Family

ID=27250779

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7810301,A NL186426C (nl)	1977-10-17	1978-10-13	Abonneecircuit.

Country Status (8)

Country	Link
US (1)	US4211896A (nl)
JP (1)	JPS5465406A (nl)
CA (1)	CA1119330A (nl)
CH (1)	CH636990A5 (nl)
DE (1)	DE2844492C3 (nl)
GB (1)	GB2007463B (nl)
NL (1)	NL186426C (nl)
SE (1)	SE437453B (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2422300A1 (fr) *	1978-04-03	1979-11-02	Trt Telecom Radio Electr	Joncteur comportant un amplificateur de puissance symetrique pour alimenter la ligne d'abonne
EP0006583A1 (de) *	1978-06-28	1980-01-09	Siemens Aktiengesellschaft	Verfahren zur spulen-, relaiskontakt- und transformatorfreien Rufstrom- und Schleifenstromeinspeisung
NL7903663A (nl) *	1979-05-10	1980-11-12	Philips Nv	Versterker voor toepassing in een lijncircuit.
EP0029823B1 (fr) *	1979-06-25	1984-03-14	Telecommunications Radioelectriques Et Telephoniques T.R.T.	Circuit de pondération de courants
FR2460078B1 (fr) *	1979-06-25	1986-12-12	Trt Telecom Radio Electr	Joncteur d'abonne electronique
FR2466923A1 (fr) *	1979-10-05	1981-04-10	Materiel Telephoniqu Thomson C	Circuit de generation et d'injection de sonnerie
US4354062A (en) *	1980-01-31	1982-10-12	Bell Telephone Laboratories, Incorporated	Communication system signaling circuit
NL8000859A (nl) *	1980-02-12	1981-09-01	Philips Nv	Inrichting voor het toevoeren van een wekspanning aan een abonneelijn.
US4524246A (en) *	1982-07-07	1985-06-18	Harris Corporation	SLIC II--common-mode current rejection
FR2549668B1 (fr) *	1983-07-22	1985-10-04	Thomson Csf Mat Tel	Circuit injecteur de sonnerie pour poste telephonique d'abonne
JPS6052465U (ja) *	1983-09-20	1985-04-12	株式会社　酒井製作所	変速ｖプ−リ
FR2585526A1 (fr) *	1985-07-25	1987-01-30	Kalfon Rene	Equipement de signalisation de ligne d'abonne pour commutateur telephonique
FR2606960A1 (fr) *	1986-11-14	1988-05-20	Efcis	Circuit d'emission de signaux numeriques pour un reseau telephonique
US5260996A (en) *	1990-12-10	1993-11-09	Reliance Comm/Tec Corporation	Current limited electronic ringing generator
DE69628833D1 (de) *	1996-08-30	2003-07-31	St Microelectronics Srl	Schaltungsanordnung zur Erzeugung eines Gebührensignals in einem Kommunikationssystem
DE10146891C2 (de)	2001-09-24	2003-08-14	Infineon Technologies Ag	Verfahren zum Übertragen von Gebührenbestimmungssignalen über einen Datenübertragungspfad und Vorrichtung zur Spannungspegelgenerierung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2138548B1 (nl) *	1971-05-19	1973-05-25	Ibm France
DE2133148C3 (de) *	1971-07-03	1979-04-19	Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg	Elektronischer Umpoler
CH593594A5 (nl) *	1975-07-31	1977-12-15	Stoppani Sa
US4132864A (en) *	1977-04-28	1979-01-02	International Business Machines Corporation	Digital measurement of the DC value in an AC signal adapted to telephone off-hook detection

1978
- 1978-10-10 US US05/949,715 patent/US4211896A/en not_active Expired - Lifetime
- 1978-10-11 CA CA000313083A patent/CA1119330A/en not_active Expired
- 1978-10-12 DE DE2844492A patent/DE2844492C3/de not_active Expired
- 1978-10-13 SE SE7810700A patent/SE437453B/sv not_active IP Right Cessation
- 1978-10-13 GB GB7840410A patent/GB2007463B/en not_active Expired
- 1978-10-13 CH CH1068178A patent/CH636990A5/de not_active IP Right Cessation
- 1978-10-13 NL NLAANVRAGE7810301,A patent/NL186426C/nl not_active IP Right Cessation
- 1978-10-17 JP JP12691878A patent/JPS5465406A/ja active Granted

Also Published As

Publication number	Publication date
SE7810700L (sv)	1979-04-18
DE2844492B2 (de)	1980-04-17
US4211896A (en)	1980-07-08
NL7810301A (nl)	1979-04-19
CA1119330A (en)	1982-03-02
GB2007463B (en)	1982-01-20
CH636990A5 (de)	1983-06-30
DE2844492C3 (de)	1980-12-11
JPS571949B2 (nl)	1982-01-13
JPS5465406A (en)	1979-05-26
GB2007463A (en)	1979-05-16
DE2844492A1 (de)	1979-04-19
SE437453B (sv)	1985-02-25

Publication	Publication Date	Title
BE865203A (fr)	1978-09-22	Hogedruk-kwikdampontladingslamp.
NL190429C (nl)	1994-02-16	Geintegreerde schakeling.
IT7829911A0 (it)	1978-11-17	Vinil-esteri-uretani.
NL7807776A (nl)	1979-01-23	Decalqueervel.
NL7700969A (nl)	1978-08-02	Versterkerschakeling.
NL186426C (nl)	1990-11-16	Abonneecircuit.
NL7704005A (nl)	1977-06-30	Geintegreerde schakeling.
NL7810556A (nl)	1979-04-24	Circuit.
NL7805154A (nl)	1978-11-20	Televisietoestel.
NL7800409A (nl)	1978-07-19	Geintegreerde schakeling.
NL7810878A (nl)	1979-05-28	Dampkringloop.
NO782201L (no)	1979-01-09	Elektrisk tidskobler.
NL7811294A (nl)	1979-05-18	Televisiecircuit.
NO154356C (no)	1986-09-03	Lyddempende festeelement.
NL7712649A (nl)	1979-05-21	Geientegreerde schakeling.
NL189222C (nl)	1993-02-01	Mengschakeling.
NL7809423A (nl)	1979-03-20	Ontvangercircuit.
NL7812328A (nl)	1979-06-26	Omkeer-circuit.
NO780512L (no)	1978-08-25	Ruse.
IT7830175A0 (it)	1978-11-24	Innesto elettrico.
NL7806017A (nl)	1978-12-15	Electrische schakeling.
NO763796L (no)	1978-05-09	Kondensator-tenningskrets.
ES230856Y (es)	1978-03-16	Paraguas-quitasol.
ES226275Y (es)	1977-11-16	Fleco despedregador.
ES225658Y (es)	1977-07-01	Molino-hucha.

Legal Events

Date	Code	Title
1979-05-10	A1A	A request for search or an international-type search has been filed
1979-07-25	BB	A search report has been drawn up
1983-10-03	BV	The patent application has lapsed
1983-12-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1991-06-17	V1	Lapsed because of non-payment of the annual fee