FR2582885B1 - Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission. - Google Patents

Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission.

Info

Publication number
FR2582885B1
FR2582885B1 FR8508226A FR8508226A FR2582885B1 FR 2582885 B1 FR2582885 B1 FR 2582885B1 FR 8508226 A FR8508226 A FR 8508226A FR 8508226 A FR8508226 A FR 8508226A FR 2582885 B1 FR2582885 B1 FR 2582885B1
Authority
FR
France
Prior art keywords
sense
transmission
means according
adjustment means
automatic gain
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
FR8508226A
Other languages
English (en)
Other versions
FR2582885A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8508226A priority Critical patent/FR2582885B1/fr
Publication of FR2582885A1 publication Critical patent/FR2582885A1/fr
Application granted granted Critical
Publication of FR2582885B1 publication Critical patent/FR2582885B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR8508226A 1985-05-31 1985-05-31 Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission. Expired FR2582885B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8508226A FR2582885B1 (fr) 1985-05-31 1985-05-31 Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8508226A FR2582885B1 (fr) 1985-05-31 1985-05-31 Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission.

Publications (2)

Publication Number Publication Date
FR2582885A1 FR2582885A1 (fr) 1986-12-05
FR2582885B1 true FR2582885B1 (fr) 1988-03-18

Family

ID=9319743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8508226A Expired FR2582885B1 (fr) 1985-05-31 1985-05-31 Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission.

Country Status (1)

Country Link
FR (1) FR2582885B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606958B1 (fr) * 1986-11-17 1988-12-23 Zurcher Frederic Circuit de transmission a double sens muni de moyens symetriques de variation automatique du gain selon le sens de transmission
JPS6412649A (en) * 1987-07-06 1989-01-17 Nec Corp Variable gain circuit for loudspeaker telephone set
FR2618626B1 (fr) * 1987-07-21 1994-04-29 Thomson Semiconducteurs Dispositif de commande pour poste telephonique " mains libres "

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970786A (en) * 1974-06-27 1976-07-20 Stromberg-Carlson Corporation Loudspeaking telephone with improved receive sensitivity
JPS5348601A (en) * 1976-10-16 1978-05-02 Oki Electric Ind Co Ltd Noise control system

Also Published As

Publication number Publication date
FR2582885A1 (fr) 1986-12-05

Similar Documents

Publication Publication Date Title
DE68921110D1 (de) An der Lenkstange montierte Gangschaltungshebel.
DE3565305D1 (en) Transmission device, especially one with a worm wheel
FR2588631B1 (fr) Mecanisme de transmission automatique
DE3880900D1 (de) Bauelement mit vorgefertigten waenden.
PH30832A (en) Coaxial current sensors.
ES277886Y (es) Un aparato con una envolvente de montaje provista de costes.
FR2560836B1 (fr) Reenrouleur de ceinture de securite a mecanisme automatique de blocage
DE68909901D1 (de) Durchbohrte torfreie Vakuumtrommel mit einem porösen Tülle.
FR2638805B1 (fr) Transmission automatique
DE58903590D1 (de) Lenkgetriebe.
DE3676410D1 (de) Empfaenger mit detektor fuer mehrweguebertragung.
DE3063114D1 (en) Improvements in change-speed devices, particularly for engaging the reverse gear
FR2485658B1 (fr) Porte-mousqueton a verrouillage automatique
FI894401A0 (fi) Avstaengningsmekanism foer kanaler med stora tvaersnitt, speciellt roekgaskanaler foer kraftverk.
EP0042421A4 (fr) Transmission pour velocipede.
NO865040D0 (no) Produksjonsapparat med en trinnvis drevet transportmekanisme.
NO861796L (no) Oevre traadfoeringsmekanisme for symaskiner.
FI883840A0 (fi) Gungmekanism med arretering.
FR2582885B1 (fr) Circuit de transmission a double sens muni de moyens de reglage automatique du gain selon le sens de transmission.
FI880411A0 (fi) 2-imino-1,3-ditietaner, deras framstaellning och deras anvaendning som bekaempningsmedel mot skadedjur.
DE3877788D1 (de) Gasisolierte uebertragungsleitung mit einfacher isolatoranordnung.
DE3884729D1 (de) InGaAs/InP-PIN-Photodioden.
FR2606958B1 (fr) Circuit de transmission a double sens muni de moyens symetriques de variation automatique du gain selon le sens de transmission
NO863394D0 (no) Skiftemekanisme med en spake.
IT8421944A0 (it) Bobinatore singolo con cambio automatico della bobina.

Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property