DE2240758C3 - - Google Patents

Info

Publication number
DE2240758C3
DE2240758C3 DE19722240758 DE2240758A DE2240758C3 DE 2240758 C3 DE2240758 C3 DE 2240758C3 DE 19722240758 DE19722240758 DE 19722240758 DE 2240758 A DE2240758 A DE 2240758A DE 2240758 C3 DE2240758 C3 DE 2240758C3
Authority
DE
Germany
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
Application number
DE19722240758
Other languages
German (de)
Other versions
DE2240758A1 (de
DE2240758B2 (de
Inventor
Albert Nizza Alpes Maritimes Barok (Frankreich)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2240758A1 publication Critical patent/DE2240758A1/de
Publication of DE2240758B2 publication Critical patent/DE2240758B2/de
Application granted granted Critical
Publication of DE2240758C3 publication Critical patent/DE2240758C3/de
Granted 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)
DE19722240758 1972-06-14 1972-08-18 Schaltungsanordnung für eine Fernsprechteilnehmerstelle mit Mikrofon und Lautsprecher Granted DE2240758B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7222109A FR2188921A5 (enExample) 1972-06-14 1972-06-14

Publications (3)

Publication Number Publication Date
DE2240758A1 DE2240758A1 (de) 1974-01-10
DE2240758B2 DE2240758B2 (de) 1974-04-11
DE2240758C3 true DE2240758C3 (enExample) 1974-11-14

Family

ID=9100437

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722240758 Granted DE2240758B2 (de) 1972-06-14 1972-08-18 Schaltungsanordnung für eine Fernsprechteilnehmerstelle mit Mikrofon und Lautsprecher

Country Status (2)

Country Link
DE (1) DE2240758B2 (enExample)
FR (1) FR2188921A5 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314631A1 (fr) * 1975-06-11 1977-01-07 Jeumont Schneider Procede et dispositif d'elimination de l'effet local d'un poste telephonique

Also Published As

Publication number Publication date
FR2188921A5 (enExample) 1974-01-18
DE2240758A1 (de) 1974-01-10
DE2240758B2 (de) 1974-04-11

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee