ATE60967T1 - Monolithisch integrierte fernsprechschaltungen fuer rufabschaltungserkennung. - Google Patents

Monolithisch integrierte fernsprechschaltungen fuer rufabschaltungserkennung.

Info

Publication number: ATE60967T1
Authority: AT; Austria
Prior art keywords: current; sub; circuit; line; detection
Prior art date: 1983-11-23

Application number

AT84114086T

Other languages

English (en)

Inventor

Marco Siligoni

Vanni Dr Phys Saviotti

Original Assignee

Sgs Thomson Microelectronics

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.)

1983-11-23

Filing date

1984-11-22

Publication date

1991-03-15

1984-11-22 Application filed by Sgs Thomson Microelectronics filed Critical Sgs Thomson Microelectronics

1991-03-15 Application granted granted Critical

1991-03-15 Publication of ATE60967T1 publication Critical patent/ATE60967T1/de

Links

238000001514 detection method Methods 0.000 title abstract 3
230000010354 integration Effects 0.000 abstract 1

Classifications

- 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
- H04M19/026—Arrangements for interrupting the ringing current

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)
Devices For Supply Of Signal Current (AREA)
Emergency Protection Circuit Devices (AREA)
Telephonic Communication Services (AREA)
Noise Elimination (AREA)
Manipulation Of Pulses (AREA)
Telephone Function (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)

AT84114086T 1983-11-23 1984-11-22 Monolithisch integrierte fernsprechschaltungen fuer rufabschaltungserkennung. ATE60967T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT8323832A IT1212838B (it)	1983-11-23	1983-11-23	Circuito telefonico, integrabile monoliticamente, per il riconoscimento dello sgancio in fase di suoneria.
EP84114086A EP0143435B1 (de)	1983-11-23	1984-11-22	Monolithisch integrierte Fernsprechschaltungen für Rufabschaltungserkennung

Publications (1)

Publication Number	Publication Date
ATE60967T1 true ATE60967T1 (de)	1991-03-15

Family

ID=11210289

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT84114086T ATE60967T1 (de)	1983-11-23	1984-11-22	Monolithisch integrierte fernsprechschaltungen fuer rufabschaltungserkennung.

Country Status (8)

Country	Link
US (1)	US4677664A (de)
EP (1)	EP0143435B1 (de)
JP (1)	JPH0710083B2 (de)
AT (1)	ATE60967T1 (de)
BR (1)	BR8405956A (de)
DE (2)	DE3484121D1 (de)
ES (1)	ES8600591A1 (de)
IT (1)	IT1212838B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4784435A (en) *	1986-02-26	1988-11-15	Leib Roger K	Patient chair
IT1213306B (it) *	1986-07-29	1989-12-20	Sgs Microelettronica Spa	Circuito telefonico, integrabile monoliticamente, per l'invio disegnali di suoneria in una linea telefonica d'utente e per il riconoscimento dello sgangio in fase di suoneria.
EP0675629B1 (de) *	1994-03-04	2004-11-24	Infineon Technologies AG	Verfahren zur störsicheren Abhebeerkennung bei Rufsignaleinspeisung in digitalen Fernsprechvermittlungseinrichtungen und Schaltungsanordnung zur Durchführung des Verfahrens
JPH08139802A (ja) *	1994-11-10	1996-05-31	Fujitsu Ltd	リングトリップ判定回路
US5544241A (en) *	1995-06-27	1996-08-06	Andrew S. Dibner	Telephone ring detector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3829619A (en) *	1972-12-29	1974-08-13	Stromberg Carlson Corp	Telephone ring trip circuit
CH604453A5 (de) *	1976-06-25	1978-09-15	Ibm
FR2452832A1 (fr) *	1979-03-30	1980-10-24	Telecommunications Sa	Dispositif de commande de sonnerie
FR2470498A1 (fr) *	1979-11-21	1981-05-29	Trt Telecom Radio Electr	Dispositif de detection du bouclage d'une ligne d'abonne pendant la sonnerie
IT1128374B (it) *	1980-02-19	1986-05-28	Cselt Centro Studi Lab Telecom	Circuito telefonico per la generazione del ritmo di suoneria ed il riconoscimento dello sgancio
US4396805A (en) *	1981-09-21	1983-08-02	Siemens Corporation	Ring trip detector for a subscriber line interface circuit
IT1155661B (it) *	1982-03-24	1987-01-28	Cselt Centro Studi Lab Telecom	Circuito elettronico per la rivelazione dello sgancio del microtelefono in presenza della corrente di chiamata

1983
- 1983-11-23 IT IT8323832A patent/IT1212838B/it active
1984
- 1984-11-19 ES ES537753A patent/ES8600591A1/es not_active Expired
- 1984-11-21 US US06/673,527 patent/US4677664A/en not_active Expired - Lifetime
- 1984-11-22 DE DE8484114086T patent/DE3484121D1/de not_active Expired - Lifetime
- 1984-11-22 JP JP59246353A patent/JPH0710083B2/ja not_active Expired - Lifetime
- 1984-11-22 AT AT84114086T patent/ATE60967T1/de not_active IP Right Cessation
- 1984-11-22 BR BR8405956A patent/BR8405956A/pt not_active IP Right Cessation
- 1984-11-22 DE DE198484114086T patent/DE143435T1/de active Pending
- 1984-11-22 EP EP84114086A patent/EP0143435B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
IT1212838B (it)	1989-11-30
EP0143435A3 (en)	1987-06-16
DE143435T1 (de)	1987-05-21
DE3484121D1 (de)	1991-03-28
JPH0710083B2 (ja)	1995-02-01
BR8405956A (pt)	1985-09-10
EP0143435A2 (de)	1985-06-05
ES537753A0 (es)	1985-10-16
IT8323832A0 (it)	1983-11-23
ES8600591A1 (es)	1985-10-16
EP0143435B1 (de)	1991-02-20
JPS60152161A (ja)	1985-08-10
US4677664A (en)	1987-06-30

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Legal Events

Date	Code	Title	Description
1991-08-15	UEP	Publication of translation of european patent specification
2004-08-15	REN	Ceased due to non-payment of the annual fee