FR2011448A1 - - Google Patents

Info

Publication number
FR2011448A1
FR2011448A1 FR6920867A FR6920867A FR2011448A1 FR 2011448 A1 FR2011448 A1 FR 2011448A1 FR 6920867 A FR6920867 A FR 6920867A FR 6920867 A FR6920867 A FR 6920867A FR 2011448 A1 FR2011448 A1 FR 2011448A1
Authority
FR
France
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.)
Pending
Application number
FR6920867A
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
Publication of FR2011448A1 publication Critical patent/FR2011448A1/fr
Pending 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/04—Distributors combined with modulators or demodulators
    • H04J3/047—Distributors with transistors or integrated circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
FR6920867A 1968-06-21 1969-06-20 Pending FR2011448A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73892468A 1968-06-21 1968-06-21

Publications (1)

Publication Number Publication Date
FR2011448A1 true FR2011448A1 (fr) 1970-02-27

Family

ID=24970054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6920867A Pending FR2011448A1 (fr) 1968-06-21 1969-06-20

Country Status (7)

Country Link
US (1) US3562448A (fr)
JP (1) JPS507887B1 (fr)
BE (1) BE734896A (fr)
DE (1) DE1931239A1 (fr)
FR (1) FR2011448A1 (fr)
GB (1) GB1216352A (fr)
SE (1) SE351093B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193293A1 (fr) * 1972-07-14 1974-02-15 Ibm

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673355A (en) * 1970-09-02 1972-06-27 Bell Telephone Labor Inc Common control digital echo suppression
US3896273A (en) * 1971-01-08 1975-07-22 Communications Satellite Corp Digital echo suppressor
JPS5631774B2 (fr) * 1971-08-13 1981-07-23
US4051332A (en) * 1973-08-20 1977-09-27 Nippon Telegraph And Telephone Public Corporation Multiplex digital echo suppression system
JPS5317451B2 (fr) * 1973-08-20 1978-06-08
FR2255762B1 (fr) * 1973-12-21 1976-07-23 Ibm France
US3906172A (en) * 1974-04-22 1975-09-16 Gen Electric Digital echo suppressor
US3937907A (en) * 1974-06-13 1976-02-10 Communications Satellite Corporation Digital echo suppressor
US4005276A (en) * 1975-03-20 1977-01-25 International Business Machines Corporation Digital voice signaling with digital echo detection and voice activity compression used to cancel echo
US4029912A (en) * 1975-12-10 1977-06-14 Bell Telephone Laboratories, Incorporated Common control digital echo suppressor
US4088851A (en) * 1976-04-28 1978-05-09 Wescom, Inc. Digital echo suppressor
US5022074A (en) * 1985-07-01 1991-06-04 Rockwell International Corporation Digital echo suppressor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305646A (en) * 1963-11-13 1967-02-21 Bell Telephone Labor Inc Echo suppressor with improved break-in circuitry

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193293A1 (fr) * 1972-07-14 1974-02-15 Ibm

Also Published As

Publication number Publication date
SE351093B (fr) 1972-11-13
BE734896A (fr) 1969-12-01
GB1216352A (en) 1970-12-23
US3562448A (en) 1971-02-09
DE1931239A1 (de) 1970-01-02
JPS507887B1 (fr) 1975-03-31

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