FI780951A - Foerfarande vid en talstyrd hoegtalartelefonapparat - Google Patents

Foerfarande vid en talstyrd hoegtalartelefonapparat

Info

Publication number
FI780951A
FI780951A FI780951A FI780951A FI780951A FI 780951 A FI780951 A FI 780951A FI 780951 A FI780951 A FI 780951A FI 780951 A FI780951 A FI 780951A FI 780951 A FI780951 A FI 780951A
Authority
FI
Finland
Prior art keywords
talstyrd
hoegtalartelefonapparat
foerfarande vid
foerfarande
vid
Prior art date
Application number
FI780951A
Other languages
English (en)
Other versions
FI64730C (fi
FI64730B (fi
Inventor
Siegfried Guntersdorfer
Klaus Walla
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 FI780951A publication Critical patent/FI780951A/fi
Application granted granted Critical
Publication of FI64730B publication Critical patent/FI64730B/fi
Publication of FI64730C publication Critical patent/FI64730C/fi

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)
FI780951A 1977-03-30 1978-03-29 Foerfarande vid en talstyrd hoegtalartelefonapparat FI64730C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2714132A DE2714132C3 (de) 1977-03-30 1977-03-30 Schaltungsanordnung für ein sprachgesteuertes Lautfernsprechgerät
DE2714132 1977-03-30

Publications (3)

Publication Number Publication Date
FI780951A true FI780951A (fi) 1978-10-01
FI64730B FI64730B (fi) 1983-08-31
FI64730C FI64730C (fi) 1983-12-12

Family

ID=6005133

Family Applications (1)

Application Number Title Priority Date Filing Date
FI780951A FI64730C (fi) 1977-03-30 1978-03-29 Foerfarande vid en talstyrd hoegtalartelefonapparat

Country Status (6)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027343B1 (en) * 1979-10-11 1983-05-11 The Marconi Company Limited A voice detector
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
BR7801935A (pt) 1979-05-22
FI64730C (fi) 1983-12-12
DE2714132C3 (de) 1980-02-07
IT7821471A0 (it) 1978-03-22
BE865523A (fr) 1978-10-02
IT1093691B (it) 1985-07-26
FI64730B (fi) 1983-08-31
AU501638B1 (en) 1979-06-28
DE2714132B2 (de) 1979-06-13
DE2714132A1 (de) 1978-10-05

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT