BR7801935A - Processo para um telefone de altofalante,controlado pela voz - Google Patents

Processo para um telefone de altofalante,controlado pela voz

Info

Publication number
BR7801935A
BR7801935A BR7801935A BR7801935A BR7801935A BR 7801935 A BR7801935 A BR 7801935A BR 7801935 A BR7801935 A BR 7801935A BR 7801935 A BR7801935 A BR 7801935A BR 7801935 A BR7801935 A BR 7801935A
Authority
BR
Brazil
Prior art keywords
speaker
controlled phone
phone
controlled
Prior art date
Application number
BR7801935A
Other languages
English (en)
Portuguese (pt)
Inventor
K Walla
S Guntersdorfer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BR7801935A publication Critical patent/BR7801935A/pt

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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR7801935A 1977-03-30 1978-03-29 Processo para um telefone de altofalante,controlado pela voz BR7801935A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2714132A DE2714132C3 (de) 1977-03-30 1977-03-30 Schaltungsanordnung für ein sprachgesteuertes Lautfernsprechgerät

Publications (1)

Publication Number Publication Date
BR7801935A true BR7801935A (pt) 1979-05-22

Family

ID=6005133

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7801935A BR7801935A (pt) 1977-03-30 1978-03-29 Processo para um telefone de altofalante,controlado pela voz

Country Status (6)

Country Link
AU (1) AU501638B1 (de)
BE (1) BE865523A (de)
BR (1) BR7801935A (de)
DE (1) DE2714132C3 (de)
FI (1) FI64730C (de)
IT (1) IT1093691B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027343B1 (de) * 1979-10-11 1983-05-11 The Marconi Company Limited Sprachdetektor
DE3148305A1 (de) * 1981-12-03 1983-06-09 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung fuer eine freisprecheinrichtung
DE3332305C2 (de) * 1983-09-07 1987-03-05 Siemens AG, 1000 Berlin und 8000 München Verfahren zur steuerbaren Dämpfung von digitalen Signalen
US4715062A (en) * 1985-03-22 1987-12-22 Tie/Communications, Inc. Speakerphone control circuit having low gain states and method for controlling gain of speakerphone
DE3541794A1 (de) * 1985-11-26 1987-05-27 Siemens Ag Sprachsteuerung in einer fernsprechstation
DE3728109C1 (de) * 1987-08-22 1989-03-16 Telefonbau & Normalzeit Gmbh Verfahren fuer die sprachgesteuerte Daempfungsregelung in Fernsprechuebertragungskreisen
DE3908283C2 (de) * 1989-03-14 1996-04-25 Siemens Ag Steuerung einer sprachgesteuerten Sprechrichtungserkennung
DE3908282A1 (de) * 1989-03-14 1990-09-20 Siemens Ag Sprechrichtungserkennung in einer digitalen fernsprechstation
DE3919345A1 (de) * 1989-06-13 1990-12-20 Siemens Ag Schaltungsanordnung fuer eine optimale daempfungshubregelung bei fernsprechstationen mit freisprechen
DE4012354C2 (de) * 1990-04-18 1995-06-22 Siemens Ag Fernsprechstation mit Freisprechen
DE19525705A1 (de) * 1995-07-14 1997-01-16 Bahram Adniazar Lichtwellenleiter-Telefon-Satz

Also Published As

Publication number Publication date
BE865523A (fr) 1978-10-02
FI64730C (fi) 1983-12-12
DE2714132A1 (de) 1978-10-05
IT7821471A0 (it) 1978-03-22
IT1093691B (it) 1985-07-26
DE2714132B2 (de) 1979-06-13
FI780951A (fi) 1978-10-01
DE2714132C3 (de) 1980-02-07
AU501638B1 (en) 1979-06-28
FI64730B (fi) 1983-08-31

Similar Documents

Publication Publication Date Title
PT67906B (pt) Processo para a preparacao de derivados cefemicos.
BR7704895A (pt) Processo de telomerizacao de dienos
BR7808130A (pt) Processo para a preparacao de um pneumatico
BR7807673A (pt) Processo para preparacao de nitro-diaril-amina
IT7830237A0 (it) Processo per preparare idrocarburi.
BR7803953A (pt) Processo para efetuar a etilacao de um monoalquil-benzeno
IT7822548A0 (it) Processo di metanazione.
IT7827253A0 (it) Processo per il ricupero di catalizzatore.
BR7801046A (pt) Processo para preparacao de eter-sulfonatos
BR7801935A (pt) Processo para um telefone de altofalante,controlado pela voz
BR7802464A (pt) Processo para desnitrosacao de compostos n-nitrosos
YU41015B (en) Process for obtainig 2-formqequinoxaline -1,4-dioxyde cyanoacetylhydrazone
BR7803631A (pt) Processo para a recuperacao de hidrocarbonetos
BR7801867A (pt) Processo para preparacao de 1-azolil-3,3-dimetil-1 fenoxi-butano-2-onas
IT7829061A0 (it) Processo per preparare idrocarburi aromatici.
BR7803346A (pt) Processo para a obtencao de corantes de triarilmetano
BR7802624A (pt) Processo para a obtencao em descontinuo de poliamidas
BR7802140A (pt) Processo para a preparacao de 2,3-dimetilpentanal
BR7706639A (pt) Processo para a preparacao de compostos aralifaticos,anionicos
BR7706374A (pt) Processo para a preparacao de um copolimero
IT7828803A0 (it) Processo per preparare idrocarburi aromatici.
BR7700240A (pt) Processo para a obtencao de cicloalcanopirazois substituidos
IT7820254A0 (it) Processo per la separazione dicere.
BR7807330A (pt) Processo para preparacao de ciclo-pentadieno
BR7906029A (pt) Processo para a obtencao de n,n-dimetilaminoacetrila