IT1025013B - Apparato terminale di comunicazione a rice trasmissione - Google Patents

Apparato terminale di comunicazione a rice trasmissione

Info

Publication number
IT1025013B
IT1025013B IT20494/74A IT2049474A IT1025013B IT 1025013 B IT1025013 B IT 1025013B IT 20494/74 A IT20494/74 A IT 20494/74A IT 2049474 A IT2049474 A IT 2049474A IT 1025013 B IT1025013 B IT 1025013B
Authority
IT
Italy
Prior art keywords
trasmissione
rice
communication terminal
terminal equipment
equipment
Prior art date
Application number
IT20494/74A
Other languages
English (en)
Italian (it)
Original Assignee
Northern 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 Northern Electric Co filed Critical Northern Electric Co
Application granted granted Critical
Publication of IT1025013B publication Critical patent/IT1025013B/it

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
IT20494/74A 1973-03-12 1974-04-08 Apparato terminale di comunicazione a rice trasmissione IT1025013B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA165,801A CA976677A (en) 1973-03-12 1973-03-12 Loudspeaking communication terminal apparatus and method of operation

Publications (1)

Publication Number Publication Date
IT1025013B true IT1025013B (it) 1978-08-10

Family

ID=4096059

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20494/74A IT1025013B (it) 1973-03-12 1974-04-08 Apparato terminale di comunicazione a rice trasmissione

Country Status (11)

Country Link
AU (1) AU476504B2 (xx)
BE (1) BE812212A (xx)
BR (1) BR7401879D0 (xx)
CA (1) CA976677A (xx)
FR (1) FR2221885B1 (xx)
GB (1) GB1444828A (xx)
IE (1) IE40708B1 (xx)
IT (1) IT1025013B (xx)
NL (1) NL169809C (xx)
SE (1) SE400148B (xx)
ZA (1) ZA741555B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178548A (en) * 1976-10-04 1979-12-11 Geraldine E. Thompson Voice actuated mobile radio
DE2842369A1 (de) * 1978-09-28 1980-04-10 Siemens Ag Schaltungsanordnung fuer eine sprachgesteuerte lautfernsprechstation in fernmelde-, insbesondere fernsprechanlagen
GB2174578B (en) * 1985-05-04 1988-11-09 Stc Plc Loud speaking telephone
FI73341C (fi) * 1985-08-06 1987-09-10 Outel Oy Mellanfoerstaerkare som anvaends i tvaoledningsfoerbindelser i ett valbart telefonnaet samt foerfarande foer reglering av dess foerstaerkning.
CA1291837C (en) * 1987-07-15 1991-11-05 Juro Ohga Electronic telephone terminal having noise suppression function

Also Published As

Publication number Publication date
GB1444828A (xx) 1976-08-04
NL169809C (nl) 1982-08-16
ZA741555B (en) 1975-02-26
IE40708B1 (en) 1979-08-01
DE2411501B2 (de) 1975-08-21
DE2411501A1 (de) 1974-10-10
SE400148B (sv) 1978-03-13
CA976677A (en) 1975-10-21
BE812212A (fr) 1974-07-31
AU476504B2 (en) 1976-09-23
FR2221885A1 (xx) 1974-10-11
FR2221885B1 (xx) 1982-04-23
BR7401879D0 (pt) 1974-11-19
NL7403286A (xx) 1974-09-16
AU6657974A (en) 1975-09-18
NL169809B (nl) 1982-03-16

Similar Documents

Publication Publication Date Title
IT1022473B (it) Terminale elettrico
AR201141A1 (es) Terminal electrico
BE813766A (fr) Telephone commercial electronique
SE401412B (sv) Manuellt manovrerbar dataterminal
IT1007774B (it) Terminale per piattine conduttrici
AR203564A1 (es) Disposicion de conmutacion de comunicaciones
IT1026777B (it) Apparecchio a terminali
BE820214A (fr) Disjoncteur
AR199751A1 (es) Terminal electrico
SE398576B (sv) Linjeskyddsdon for kommunikationskrets
IT995402B (it) Terminale di cavo
BR7404224D0 (pt) Terminal eletrico
IT1025013B (it) Apparato terminale di comunicazione a rice trasmissione
AT337824B (de) Elektrische einrichtung
AR201691A1 (es) Conjunto de terminales electricos
IT1014175B (it) Circuito telefonico interurbano
BE812645R (fr) Disjoncteur
BR7403020D0 (pt) Aparelho telefonico
ES203423Y (es) Un conjunto de terminal electrico.
IT1010918B (it) Blocco terminale
IT1027116B (it) Stazione terminale per trasportato
IT1021191B (it) Terminale elettrico
BR7402410D0 (pt) Disjuntor
IT1019932B (it) Apparecchio telefonico
AT369198B (de) Einstueckig ausgebildeter kabelendverschluss