FR836160A - Dispositif de blocage de l'écho et de la réaction - Google Patents

Dispositif de blocage de l'écho et de la réaction

Info

Publication number
FR836160A
FR836160A FR836160DA FR836160A FR 836160 A FR836160 A FR 836160A FR 836160D A FR836160D A FR 836160DA FR 836160 A FR836160 A FR 836160A
Authority
FR
France
Prior art keywords
echo
blocking device
feedback blocking
feedback
blocking
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.)
Expired
Application number
Other languages
English (en)
French (fr)
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 and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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 and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR836160A publication Critical patent/FR836160A/fr
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Relating To Insulation (AREA)
FR836160D 1937-04-05 1938-04-04 Dispositif de blocage de l'écho et de la réaction Expired FR836160A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202984X 1937-04-05

Publications (1)

Publication Number Publication Date
FR836160A true FR836160A (fr) 1939-01-12

Family

ID=5774183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836160D Expired FR836160A (fr) 1937-04-05 1938-04-04 Dispositif de blocage de l'écho et de la réaction

Country Status (3)

Country Link
CH (1) CH202984A (de)
FR (1) FR836160A (de)
GB (1) GB501234A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759529C (de) * 1940-04-26 1954-05-03 Hell Rudolf Dr Ing Rueckkopplungssperre

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615997A (en) * 1946-12-13 1952-10-28 Kellogg Switchboard & Supply Telephone repeater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759529C (de) * 1940-04-26 1954-05-03 Hell Rudolf Dr Ing Rueckkopplungssperre

Also Published As

Publication number Publication date
GB501234A (en) 1939-02-23
CH202984A (de) 1939-02-15

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