DE2215402C2 - - Google Patents

Info

Publication number
DE2215402C2
DE2215402C2 DE19722215402D DE2215402DA DE2215402C2 DE 2215402 C2 DE2215402 C2 DE 2215402C2 DE 19722215402 D DE19722215402 D DE 19722215402D DE 2215402D A DE2215402D A DE 2215402DA DE 2215402 C2 DE2215402 C2 DE 2215402C2
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
DE19722215402D
Other languages
German (de)
Other versions
DE2215402B1 (de
Inventor
Harald Dipl.-Phys. 8000 Muenchen Hoege
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of DE2215402B1 publication Critical patent/DE2215402B1/de
Application granted granted Critical
Publication of DE2215402C2 publication Critical patent/DE2215402C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE19722215402D 1972-03-29 1972-03-29 Echokompensator fur ein Nachrichten übertragungssystem Granted DE2215402B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2215402 1972-03-29

Publications (2)

Publication Number Publication Date
DE2215402B1 DE2215402B1 (de) 1973-09-20
DE2215402C2 true DE2215402C2 (OSRAM) 1974-04-18

Family

ID=5840571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722215402D Granted DE2215402B1 (de) 1972-03-29 1972-03-29 Echokompensator fur ein Nachrichten übertragungssystem

Country Status (1)

Country Link
DE (1) DE2215402B1 (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469044A1 (fr) * 1979-08-30 1981-05-08 Thomson Csf Mat Tel Procede de traitement en temps partage de signaux numeriques et application a un annuleur d'echo autoadaptatif multiplexe
US6937723B2 (en) * 2002-10-25 2005-08-30 Avaya Technology Corp. Echo detection and monitoring
US7734034B1 (en) 2005-06-21 2010-06-08 Avaya Inc. Remote party speaker phone detection

Also Published As

Publication number Publication date
DE2215402B1 (de) 1973-09-20

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee