SE7508032L - Kopplingsanordning for knappstyrda telefon-, duplextelefon- eller hogtalaranleggningar - Google Patents

Kopplingsanordning for knappstyrda telefon-, duplextelefon- eller hogtalaranleggningar

Info

Publication number
SE7508032L
SE7508032L SE7508032A SE7508032A SE7508032L SE 7508032 L SE7508032 L SE 7508032L SE 7508032 A SE7508032 A SE 7508032A SE 7508032 A SE7508032 A SE 7508032A SE 7508032 L SE7508032 L SE 7508032L
Authority
SE
Sweden
Prior art keywords
telephone
button
connection device
speaker systems
duplex
Prior art date
Application number
SE7508032A
Other languages
English (en)
Inventor
L Bartoleit
W 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 SE7508032L publication Critical patent/SE7508032L/sv

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)
  • Mobile Radio Communication Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Interface Circuits In Exchanges (AREA)
SE7508032A 1974-07-17 1975-07-14 Kopplingsanordning for knappstyrda telefon-, duplextelefon- eller hogtalaranleggningar SE7508032L (sv)

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
SE7508032L true SE7508032L (sv) 1976-01-19

Family

ID=5920787

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7508032A SE7508032L (sv) 1974-07-17 1975-07-14 Kopplingsanordning for knappstyrda telefon-, duplextelefon- eller hogtalaranleggningar

Country Status (9)

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

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
FI61111B (fi) 1982-01-29
FR2289079A1 (fr) 1976-05-21
ATA482375A (de) 1977-06-15
NO752541L (sv) 1976-01-20
AT341590B (de) 1978-02-10
FI751974A (sv) 1976-01-18
NO141583C (no) 1980-04-09
DE2434321C3 (de) 1983-12-08
NO141583B (no) 1979-12-27
FI61111C (fi) 1982-05-10
CH596721A5 (sv) 1978-03-15
FR2289079B1 (sv) 1982-03-26
BE831415A (fr) 1975-11-17
DE2434321B2 (de) 1977-01-20
DE2434321A1 (de) 1976-01-22
ES439298A1 (es) 1977-03-01

Similar Documents

Publication Publication Date Title
NL7413937A (nl) Microfoonstelsel.
NL7512558A (nl) Stereomicrofooninrichting.
NL186058C (nl) Microfooninrichting.
SE7506463L (sv) Radiotelefonianleggning.
NL7509515A (nl) Stereofoon geluidstelsel.
NL169943C (nl) Communicatiestelsel.
SE400443B (sv) Anordning for styrning av talriktningen i duplextelefonanleggningar
NL7500942A (nl) Elektrodynamische luidspreker.
NL7507251A (nl) Elektrostatisch luidsprekersysteem.
NL7711366A (nl) Telefoon-conferentiestelsel.
SE7507069L (sv) Snabbtelefonsystem.
NL7514138A (nl) Luidsprekend telefoonstelsel.
NL7502268A (nl) Versterkingsinrichting voor telefoontoestellen.
NL7503734A (nl) Lijnkiezertelefoonstelsel.
NL7606340A (nl) Telefoonstelsel met twee abonneetoestellen.
NL7513444A (nl) Communicatiesysteem.
NL7507209A (nl) Verrespreektoestel.
NL7500501A (nl) Telefoonkiessysteem.
SE7508032L (sv) Kopplingsanordning for knappstyrda telefon-, duplextelefon- eller hogtalaranleggningar
NL7512557A (nl) Microfooninrichting.
BR7502282A (pt) Sistema telefonico
NL7709590A (nl) Telefoonstelsel.
NL7500811A (nl) Geluidsbeschermingsinrichting.
NL7515049A (nl) Telefoonverbindingsinrichting.
NL7502223A (nl) Luidsprekerinrichting.