DE2632256A1 - Schaltungaanordnung fuer wechselsprech- lautsprechanlagen, die an gesellschaftsleitungen betrieben werden - Google Patents

Schaltungaanordnung fuer wechselsprech- lautsprechanlagen, die an gesellschaftsleitungen betrieben werden

Info

Publication number
DE2632256A1
DE2632256A1 DE19762632256 DE2632256A DE2632256A1 DE 2632256 A1 DE2632256 A1 DE 2632256A1 DE 19762632256 DE19762632256 DE 19762632256 DE 2632256 A DE2632256 A DE 2632256A DE 2632256 A1 DE2632256 A1 DE 2632256A1
Authority
DE
Germany
Prior art keywords
relay
circuit
amplifier
extension
contacts
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.)
Withdrawn
Application number
DE19762632256
Other languages
German (de)
English (en)
Inventor
Wilhelm Linpinski
Jochen Dipl Ing Lipinski
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.)
TELEFON und SIGNALBAU BERLIN V
Original Assignee
TELEFON und SIGNALBAU BERLIN V
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 TELEFON und SIGNALBAU BERLIN V filed Critical TELEFON und SIGNALBAU BERLIN V
Publication of DE2632256A1 publication Critical patent/DE2632256A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
DE19762632256 1975-09-16 1976-07-17 Schaltungaanordnung fuer wechselsprech- lautsprechanlagen, die an gesellschaftsleitungen betrieben werden Withdrawn DE2632256A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18835975A DD121239A1 (enExample) 1975-09-16 1975-09-16

Publications (1)

Publication Number Publication Date
DE2632256A1 true DE2632256A1 (de) 1977-03-17

Family

ID=5501689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762632256 Withdrawn DE2632256A1 (de) 1975-09-16 1976-07-17 Schaltungaanordnung fuer wechselsprech- lautsprechanlagen, die an gesellschaftsleitungen betrieben werden

Country Status (2)

Country Link
DD (1) DD121239A1 (enExample)
DE (1) DE2632256A1 (enExample)

Also Published As

Publication number Publication date
DD121239A1 (enExample) 1976-07-12

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee