DE69012014D1 - Fernsprechapparat mit Verbindung mit der Teilnehmerleitung ohne Abnahme des Hörers. - Google Patents

Fernsprechapparat mit Verbindung mit der Teilnehmerleitung ohne Abnahme des Hörers.

Info

Publication number
DE69012014D1
DE69012014D1 DE69012014T DE69012014T DE69012014D1 DE 69012014 D1 DE69012014 D1 DE 69012014D1 DE 69012014 T DE69012014 T DE 69012014T DE 69012014 T DE69012014 T DE 69012014T DE 69012014 D1 DE69012014 D1 DE 69012014D1
Authority
DE
Germany
Prior art keywords
line
way
telephone
powering
microprocessor
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
DE69012014T
Other languages
English (en)
Other versions
DE69012014T2 (de
Inventor
Claude Malaurie
Andre Chataignon
Pierre Becker
Jean-Marc Duvernay
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.)
ALE International SAS
Original Assignee
Alcatel Business Systemes 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 Alcatel Business Systemes SA filed Critical Alcatel Business Systemes SA
Publication of DE69012014D1 publication Critical patent/DE69012014D1/de
Application granted granted Critical
Publication of DE69012014T2 publication Critical patent/DE69012014T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Selective Calling Equipment (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DE69012014T 1989-07-18 1990-07-16 Fernsprechapparat mit Verbindung mit der Teilnehmerleitung ohne Abnahme des Hörers. Expired - Fee Related DE69012014T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8909616A FR2650138B1 (fr) 1989-07-18 1989-07-18 Poste telephonique a prise de ligne sans decrochage

Publications (2)

Publication Number Publication Date
DE69012014D1 true DE69012014D1 (de) 1994-10-06
DE69012014T2 DE69012014T2 (de) 1994-12-22

Family

ID=9383855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69012014T Expired - Fee Related DE69012014T2 (de) 1989-07-18 1990-07-16 Fernsprechapparat mit Verbindung mit der Teilnehmerleitung ohne Abnahme des Hörers.

Country Status (6)

Country Link
US (1) US5155764A (de)
EP (1) EP0409129B1 (de)
AT (1) ATE110908T1 (de)
DE (1) DE69012014T2 (de)
ES (1) ES2060873T3 (de)
FR (1) FR2650138B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343514A (en) * 1993-12-10 1994-08-30 Snyder Gary K Telephone line powered system
KR100411533B1 (ko) * 1995-11-29 2004-04-03 코닌클리케 필립스 일렉트로닉스 엔.브이. 유선전기통신용터미널
KR970056534A (ko) * 1995-12-15 1997-07-31 김광호 전화단말장치의 스피커폰 통화 자동오프방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517150A1 (fr) * 1981-11-20 1983-05-27 Thomson Csf Mat Tel Circuit telephonique gere par microprocesseur a circuit integre de transmission 2 fils-4 fils et alimentation de sauvegarde par courant de ligne
FR2525056A1 (fr) * 1982-04-09 1983-10-14 Telephonie Ind Commerciale Dispositif de prise de ligne sans decrochage pour poste telephonique comportant un microprocesseur
FR2534755A1 (fr) * 1982-10-15 1984-04-20 Telephonie Ind Commerciale Interface d'entree pour poste telephonique
FR2555004A1 (fr) * 1983-11-14 1985-05-17 Radiotechnique Compelec Dispositif pour effectuer une ouverture de boucle d'une duree calibree a partir d'un poste telephonique
US4636587A (en) * 1985-09-16 1987-01-13 Motorola, Inc. Electronic switch for digital telephone
US4860346A (en) * 1986-12-22 1989-08-22 Protel, Inc. Telephone system and method operated from central office loop current
DE3709538A1 (de) * 1987-03-24 1988-10-06 Siemens Ag Schaltungsanordnung fuer eine fernsprechstation mit erdeanschaltung

Also Published As

Publication number Publication date
US5155764A (en) 1992-10-13
ES2060873T3 (es) 1994-12-01
FR2650138B1 (fr) 1991-09-20
EP0409129B1 (de) 1994-08-31
ATE110908T1 (de) 1994-09-15
DE69012014T2 (de) 1994-12-22
FR2650138A1 (fr) 1991-01-25
EP0409129A1 (de) 1991-01-23

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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