CH596721A5 - - Google Patents

Info

Publication number
CH596721A5
CH596721A5 CH827875A CH827875A CH596721A5 CH 596721 A5 CH596721 A5 CH 596721A5 CH 827875 A CH827875 A CH 827875A CH 827875 A CH827875 A CH 827875A CH 596721 A5 CH596721 A5 CH 596721A5
Authority
CH
Switzerland
Application number
CH827875A
Inventor
Lothar Bartoleit
Walter Herrmann
Original Assignee
Neumann Elektronik Gmbh
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 Neumann Elektronik Gmbh filed Critical Neumann Elektronik Gmbh
Publication of CH596721A5 publication Critical patent/CH596721A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
CH827875A 1974-07-17 1975-06-25 CH596721A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2434321A DE2434321C3 (de) 1974-07-17 1974-07-17 Schaltungsanordnung für tastengesteuerte Wechselsprech-, Gegensprech- oder Lautsprecheranlagen

Publications (1)

Publication Number Publication Date
CH596721A5 true CH596721A5 (fr) 1978-03-15

Family

ID=5920787

Family Applications (1)

Application Number Title Priority Date Filing Date
CH827875A CH596721A5 (fr) 1974-07-17 1975-06-25

Country Status (9)

Country Link
AT (1) AT341590B (fr)
BE (1) BE831415A (fr)
CH (1) CH596721A5 (fr)
DE (1) DE2434321C3 (fr)
ES (1) ES439298A1 (fr)
FI (1) FI61111C (fr)
FR (1) FR2289079A1 (fr)
NO (1) NO141583C (fr)
SE (1) SE7508032L (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2837950C2 (de) * 1978-08-31 1986-11-13 Neumann Elektronik GmbH, 4330 Mülheim Vermittlungseinrichtung für eine tastengesteuerte Wechsel-, Gegen- oder Lautsprechanlage
DE3418484C1 (de) * 1984-05-18 1985-08-29 Neumann Elektronik GmbH, 4330 Mülheim Rücksprecheinrichtung für eine Teilnehmerstelle einer tastengesteuerten Wechselsprechanlage mit Linienwahl
DE4334906C2 (de) * 1993-10-13 1997-05-07 Neumann Elektronik Gmbh Einrichtung zur Übertragung von Ruf- und Belegungszustandssignalen von Wechsel- oder Gegen-Lautsprechanlagen mit Linienwahl über eine Zweidraht-Fernleitung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512811C3 (de) * 1967-04-27 1984-08-02 ANT Nachrichtentechnik GmbH, 7150 Backnang Schaltungsanordnung für die Prüfung der sprechstelleneigenen Einrichtungen in Sprechanlagen

Also Published As

Publication number Publication date
FR2289079B1 (fr) 1982-03-26
AT341590B (de) 1978-02-10
DE2434321C3 (de) 1983-12-08
DE2434321A1 (de) 1976-01-22
FI751974A (fr) 1976-01-18
NO752541L (fr) 1976-01-20
DE2434321B2 (de) 1977-01-20
SE7508032L (sv) 1976-01-19
FI61111B (fi) 1982-01-29
NO141583C (no) 1980-04-09
BE831415A (fr) 1975-11-17
NO141583B (no) 1979-12-27
ES439298A1 (es) 1977-03-01
FR2289079A1 (fr) 1976-05-21
FI61111C (fi) 1982-05-10
ATA482375A (de) 1977-06-15

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Legal Events

Date Code Title Description
PL Patent ceased