DE68907936D1 - Integrierte schaltung und diese benutzender ferngespeister fernsprechapparat. - Google Patents

Integrierte schaltung und diese benutzender ferngespeister fernsprechapparat.

Info

Publication number
DE68907936D1
DE68907936D1 DE8989400399T DE68907936T DE68907936D1 DE 68907936 D1 DE68907936 D1 DE 68907936D1 DE 8989400399 T DE8989400399 T DE 8989400399T DE 68907936 T DE68907936 T DE 68907936T DE 68907936 D1 DE68907936 D1 DE 68907936D1
Authority
DE
Germany
Prior art keywords
remote
integrated circuit
speaker telephone
speaker
telephone
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8989400399T
Other languages
English (en)
Other versions
DE68907936T2 (de
Inventor
Franck Marti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks France SAS
Original Assignee
Matra Communication SA
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.)
Filing date
Publication date
Application filed by Matra Communication SA filed Critical Matra Communication SA
Application granted granted Critical
Publication of DE68907936D1 publication Critical patent/DE68907936D1/de
Publication of DE68907936T2 publication Critical patent/DE68907936T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
DE1989607936 1988-02-11 1989-02-13 Integrierte Schaltung und diese benutzender ferngespeister Fernsprechapparat. Expired - Fee Related DE68907936T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8801645A FR2627339B1 (fr) 1988-02-11 1988-02-11 Circuit integre et appareil telephonique tele-alimente en comportant application

Publications (2)

Publication Number Publication Date
DE68907936D1 true DE68907936D1 (de) 1993-09-09
DE68907936T2 DE68907936T2 (de) 1993-11-18

Family

ID=9363194

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989607936 Expired - Fee Related DE68907936T2 (de) 1988-02-11 1989-02-13 Integrierte Schaltung und diese benutzender ferngespeister Fernsprechapparat.

Country Status (4)

Country Link
EP (1) EP0328462B1 (de)
DE (1) DE68907936T2 (de)
ES (1) ES2043049T3 (de)
FR (1) FR2627339B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0587966B1 (de) * 1992-09-16 1999-02-10 STMicroelectronics S.r.l. Schaltungsanordnung zur Prioritätsspeisung von Einrichtungen aus dem Schleifenstrom
FR2714561B1 (fr) * 1993-12-27 1996-01-19 Alcatel Business Systems Agencement de gestion de courant de ligne pour poste téléphonique.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538661A1 (fr) * 1982-12-28 1984-06-29 Thomson Csf Circuit electrique assurant les fonctions de base d'un poste telephonique d'abonne
GB2135854B (en) * 1983-02-10 1986-04-23 Robert James Redding Line-powered modem
ATE51989T1 (de) * 1984-02-08 1990-04-15 Lange & Partner Patentverwertu Schaltungsanordnung zur elektrischen speisung von einrichtungen in einem fernsprechapparat.
FR2601538A1 (fr) * 1986-07-09 1988-01-15 Radiotechnique Compelec Poste telephonique dont plusieurs fonctions electroniques sont alimentees par le courant de ligne et notamment la fonction d'ecoute amplifiee par haut-parleur

Also Published As

Publication number Publication date
FR2627339B1 (fr) 1994-05-20
EP0328462B1 (de) 1993-08-04
DE68907936T2 (de) 1993-11-18
EP0328462A1 (de) 1989-08-16
FR2627339A1 (fr) 1989-08-18
ES2043049T3 (es) 1993-12-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee