FR783889A - Improvements to echo suppressors - Google Patents

Improvements to echo suppressors

Info

Publication number
FR783889A
FR783889A FR783889DA FR783889A FR 783889 A FR783889 A FR 783889A FR 783889D A FR783889D A FR 783889DA FR 783889 A FR783889 A FR 783889A
Authority
FR
France
Prior art keywords
echo suppressors
suppressors
echo
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
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Application granted granted Critical
Publication of FR783889A publication Critical patent/FR783889A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR783889D 1933-12-27 1934-12-26 Improvements to echo suppressors Expired FR783889A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US704124A US2002961A (en) 1933-12-27 1933-12-27 Transmission control in signaling systems

Publications (1)

Publication Number Publication Date
FR783889A true FR783889A (en) 1935-07-19

Family

ID=24828173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783889D Expired FR783889A (en) 1933-12-27 1934-12-26 Improvements to echo suppressors

Country Status (2)

Country Link
US (1) US2002961A (en)
FR (1) FR783889A (en)

Also Published As

Publication number Publication date
US2002961A (en) 1935-05-28

Similar Documents

Publication Publication Date Title
FR780206A (en) Improvements to introductory isolators
FR771566A (en) Improvements to direction finders
FR783889A (en) Improvements to echo suppressors
FR778725A (en) Improvements to taps
FR761034A (en) Improvements to taps
FR768662A (en) Improvements to rectifiers
FR773477A (en) Improvements to economizers
FR750202A (en) Improvements to the marriage-breakers of referees
FR756119A (en) Improvements to electromagnetic breeders
FR43789E (en) Improvements to taps
FR841774A (en) Improvements to echo dampers
FR770696A (en) Carburetor improvements
FR772674A (en) Improvements to elastic couplings
FR749555A (en) Improvements to pipe cutters
FR44538E (en) Improvements to extinguishers
FR752213A (en) Improvements to bras
FR776682A (en) Improvements to tri-carriers
FR758109A (en) Improvements to corset-sheaths
FR761354A (en) Improvements to jockstrap
FR765589A (en) Improvement provided to Vélocimanes
FR760833A (en) Improvements to taps
FR763854A (en) Improvements to taps
FR771432A (en) Improvements to taps
FR758913A (en) Improvements to mowers
FR772349A (en) Improvements to saturators