DK534682A - CIRCUIT DEVICE FOR A SPEECH CONTROLLED DEVICE - Google Patents

CIRCUIT DEVICE FOR A SPEECH CONTROLLED DEVICE Download PDF

Info

Publication number
DK534682A
DK534682A DK534682A DK534682A DK534682A DK 534682 A DK534682 A DK 534682A DK 534682 A DK534682 A DK 534682A DK 534682 A DK534682 A DK 534682A DK 534682 A DK534682 A DK 534682A
Authority
DK
Denmark
Prior art keywords
speech controlled
circuit
circuit device
controlled device
speech
Prior art date
Application number
DK534682A
Other languages
Danish (da)
Inventor
Frank Bahr
Werner Huebner
Hans-Guenther Luehmann
Guenter Schulz
Original Assignee
Deutsche Telephonwerk Kabel
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 Deutsche Telephonwerk Kabel filed Critical Deutsche Telephonwerk Kabel
Publication of DK534682A publication Critical patent/DK534682A/en

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
    • 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)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Amplifiers (AREA)
DK534682A 1981-12-03 1982-12-02 CIRCUIT DEVICE FOR A SPEECH CONTROLLED DEVICE DK534682A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813148305 DE3148305A1 (en) 1981-12-03 1981-12-03 CIRCUIT ARRANGEMENT FOR A HANDS-FREE UNIT

Publications (1)

Publication Number Publication Date
DK534682A true DK534682A (en) 1983-06-04

Family

ID=6148050

Family Applications (1)

Application Number Title Priority Date Filing Date
DK534682A DK534682A (en) 1981-12-03 1982-12-02 CIRCUIT DEVICE FOR A SPEECH CONTROLLED DEVICE

Country Status (10)

Country Link
BE (1) BE894144A (en)
DE (1) DE3148305A1 (en)
DK (1) DK534682A (en)
FR (1) FR2517911B1 (en)
GB (1) GB2110905B (en)
GR (1) GR77765B (en)
IE (1) IE53672B1 (en)
IT (1) IT1154586B (en)
LU (1) LU84322A1 (en)
NL (1) NL8203010A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3211184C2 (en) * 1981-03-31 1985-12-12 A. Grothe & Söhne KG, 5000 Köln Circuit arrangement for a handsfree telephone
DE3301498A1 (en) * 1983-01-14 1984-07-19 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Subscriber telephone station device for telephone switching systems
DE3509658A1 (en) * 1985-03-18 1986-09-18 Drägerwerk AG, 2400 Lübeck Communication unit for a microtelephone set
FR2611408B1 (en) * 1987-02-27 1989-05-26 Radiotechnique Compelec GAIN CONTROL CIRCUIT OF A LOUDSPEAKER AMPLIFIER FOR THE SUPPRESSION OF THE LARSEN EFFECT
WO1990004897A1 (en) * 1988-10-26 1990-05-03 Reptec Hb Telephone plant
DE4012175C2 (en) * 1990-04-14 1995-04-13 Telefunken Microelectron Speakerphone

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120558A5 (en) * 1971-01-08 1972-08-18 Brault Andre
SE365375B (en) * 1972-12-18 1974-03-18 Ericsson Telefon Ab L M
DE2439740C3 (en) * 1974-08-19 1978-08-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for voice-controlled hands-free devices with different attenuation levels depending on the voice voltages for each voice channel and each direction of speech
DE2710816C3 (en) * 1977-03-11 1980-01-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for a loudspeaker station
DE2714132C3 (en) * 1977-03-30 1980-02-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for a voice-controlled loudspeaker device

Also Published As

Publication number Publication date
NL8203010A (en) 1983-07-01
GB2110905B (en) 1985-11-13
LU84322A1 (en) 1983-02-28
IE53672B1 (en) 1989-01-04
IT8224414A1 (en) 1984-05-24
DE3148305C2 (en) 1988-02-04
DE3148305A1 (en) 1983-06-09
GR77765B (en) 1984-09-25
FR2517911A1 (en) 1983-06-10
IT8224414A0 (en) 1982-11-24
IT1154586B (en) 1987-01-21
BE894144A (en) 1982-12-16
IE822583L (en) 1983-06-03
GB2110905A (en) 1983-06-22
FR2517911B1 (en) 1986-04-18

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment