SE7607374L - Forsterkarkrets for ett telefonnet - Google Patents

Forsterkarkrets for ett telefonnet

Info

Publication number
SE7607374L
SE7607374L SE7607374A SE7607374A SE7607374L SE 7607374 L SE7607374 L SE 7607374L SE 7607374 A SE7607374 A SE 7607374A SE 7607374 A SE7607374 A SE 7607374A SE 7607374 L SE7607374 L SE 7607374L
Authority
SE
Sweden
Prior art keywords
phone
amplifier circuit
amplifier
circuit
Prior art date
Application number
SE7607374A
Other languages
English (en)
Inventor
R E Holtz
R A Radosevich
Original Assignee
Western Electric Co
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 filed Critical Western Electric Co
Publication of SE7607374L publication Critical patent/SE7607374L/sv

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
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Control Of Amplification And Gain Control (AREA)
SE7607374A 1975-06-30 1976-06-28 Forsterkarkrets for ett telefonnet SE7607374L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/591,956 US3963876A (en) 1975-06-30 1975-06-30 Amplifier circuit for increasing transmit and receive levels in a telephone hybrid network

Publications (1)

Publication Number Publication Date
SE7607374L true SE7607374L (sv) 1976-12-31

Family

ID=24368655

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7607374A SE7607374L (sv) 1975-06-30 1976-06-28 Forsterkarkrets for ett telefonnet

Country Status (13)

Country Link
US (1) US3963876A (sv)
JP (1) JPS526004A (sv)
AU (1) AU497007B2 (sv)
BE (1) BE843421A (sv)
CA (1) CA1039873A (sv)
CH (1) CH607486A5 (sv)
DE (1) DE2629033A1 (sv)
ES (1) ES449356A1 (sv)
FR (1) FR2316811A1 (sv)
IL (1) IL49923A0 (sv)
IT (1) IT1063840B (sv)
NL (1) NL7607118A (sv)
SE (1) SE7607374L (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1056970A (en) * 1977-01-10 1979-06-19 Northern Telecom Limited Electronic network for telephone set
US4178484A (en) * 1977-06-27 1979-12-11 Vincent Ogden W Long line telephone system with an amplifying substation
US4112262A (en) * 1977-07-26 1978-09-05 Bell Telephone Laboratories, Incorporated Telephone station repeater
US4268723A (en) * 1979-09-04 1981-05-19 Western Electric Company Circuits and methods for initializing the loop current of a telephone set
FR2481550B1 (fr) * 1980-04-25 1985-08-02 Trt Telecom Radio Electr Dispositif de protection contre l'effet larsen dans un poste telephonique a haut-parleur
KR820001673B1 (ko) * 1981-03-18 1982-09-15 금성통신 주식회사 음성 스위칭 회로
US4466120A (en) * 1981-06-15 1984-08-14 Walker Equipment Corporation Telephone handset amplifier circuit
USRE33309E (en) * 1981-06-15 1990-08-21 Walker Equipment Corporation Telephone handset amplifier circuit
US4588859A (en) * 1983-08-02 1986-05-13 Zvie Liberman Two channel audio communication system
US4577310A (en) * 1984-05-16 1986-03-18 Tie/Communications, Inc. Station interface for digital electronic telephone switching system having centralized digital audio processor
JPS6195151U (sv) * 1984-11-27 1986-06-19
AU645860B2 (en) * 1990-12-18 1994-01-27 Alcatel Australia Limited Method of automatically adjusting side-tone in a telephone subset
US6125630A (en) * 1995-10-27 2000-10-03 Tuff Torq Corporation Axle driving apparatus
US5920846A (en) * 1996-02-27 1999-07-06 Southwestern Bell Telephone Co. Method and system for processing a service request relating to installation, maintenance or repair of telecommunications services provided to a customer premises
US6993125B2 (en) * 2003-03-06 2006-01-31 Avaya Technology Corp. Variable sidetone system for reducing amplitude induced distortion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759917A (fr) * 1969-12-08 1971-05-17 Western Electric Co Reseau a frequence acoustique
US3751602A (en) * 1971-08-13 1973-08-07 Bell Telephone Labor Inc Loudspeaking telephone
US3823273A (en) * 1971-12-17 1974-07-09 Gte Automatic Electric Lab Inc Subscriber's telephone circuit
GB1406663A (en) * 1972-08-22 1975-09-17 Standard Telephones Cables Ltd Telphone subset circuits
US3889059A (en) * 1973-03-26 1975-06-10 Northern Electric Co Loudspeaking communication terminal apparatus and method of operation

Also Published As

Publication number Publication date
CH607486A5 (sv) 1978-12-29
CA1039873A (en) 1978-10-03
DE2629033A1 (de) 1977-01-27
NL7607118A (nl) 1977-01-03
FR2316811A1 (fr) 1977-01-28
AU1526276A (en) 1978-01-05
US3963876A (en) 1976-06-15
BE843421A (fr) 1976-10-18
AU497007B2 (en) 1978-11-16
IT1063840B (it) 1985-02-18
JPS526004A (en) 1977-01-18
IL49923A0 (en) 1976-08-31
ES449356A1 (es) 1977-07-16

Similar Documents

Publication Publication Date Title
FR2336801A1 (fr) Circuit integre
SE7605394L (sv) Ledningsskydd for kommunikationskrets
DK479576A (da) Transistortendingskredslob
AT359316B (de) Anschlussschaltung
SE416013B (sv) Fergvideo forsterkare
SE7607374L (sv) Forsterkarkrets for ett telefonnet
SE417237B (sv) Sekring for lasring
FR2335052A1 (fr) Circuit integre
SE404854B (sv) Interferometerkrets
FI54497C (fi) Anordning foer odling av ett mikroorganismprov
SE7711733L (sv) Distorsionskompenseringskrets
AT350107B (de) Verstaerkerschaltung
SE7613319L (sv) Krets
SE409795B (sv) Kopplingskrets
NL7609188A (nl) Versterkerschakeling.
NL7502375A (nl) Versterkercircuit.
SE7607338L (sv) Forsterkare
SE420369B (sv) Ingangskrets avsedd for mikrovag
FI54308C (fi) Foerfarande foer framstaellning av ett nytt antibiotikum dihydromocimycin
SE390080B (sv) Stodorgan for monteriog av en ferritkerna pa ett kretskort
AT336930B (de) Integrierte schaltung
NL7603493A (nl) Versterkerschakeling.
SE383240B (sv) Kompenseringskrets.
SE7606014L (sv) Digital dempningskrets
NL7603427A (nl) Bekrachtigingscircuit.