FR1542094A - Device for suppressing echoes on telephone lines - Google Patents

Device for suppressing echoes on telephone lines

Info

Publication number
FR1542094A
FR1542094A FR126376A FR126376A FR1542094A FR 1542094 A FR1542094 A FR 1542094A FR 126376 A FR126376 A FR 126376A FR 126376 A FR126376 A FR 126376A FR 1542094 A FR1542094 A FR 1542094A
Authority
FR
France
Prior art keywords
telephone lines
suppressing echoes
echoes
suppressing
telephone
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
FR126376A
Other languages
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR126376A priority Critical patent/FR1542094A/en
Application granted granted Critical
Publication of FR1542094A publication Critical patent/FR1542094A/en
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
    • 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)
FR126376A 1966-10-31 1967-10-30 Device for suppressing echoes on telephone lines Expired FR1542094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR126376A FR1542094A (en) 1966-10-31 1967-10-30 Device for suppressing echoes on telephone lines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59058366A 1966-10-31 1966-10-31
FR126376A FR1542094A (en) 1966-10-31 1967-10-30 Device for suppressing echoes on telephone lines

Publications (1)

Publication Number Publication Date
FR1542094A true FR1542094A (en) 1968-10-11

Family

ID=26180411

Family Applications (1)

Application Number Title Priority Date Filing Date
FR126376A Expired FR1542094A (en) 1966-10-31 1967-10-30 Device for suppressing echoes on telephone lines

Country Status (1)

Country Link
FR (1) FR1542094A (en)

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