FR2354668A1 - Dispositif de commande du fonctionnement de haut-parleurs par des signaux vocaux - Google Patents

Dispositif de commande du fonctionnement de haut-parleurs par des signaux vocaux

Info

Publication number
FR2354668A1
FR2354668A1 FR7717584A FR7717584A FR2354668A1 FR 2354668 A1 FR2354668 A1 FR 2354668A1 FR 7717584 A FR7717584 A FR 7717584A FR 7717584 A FR7717584 A FR 7717584A FR 2354668 A1 FR2354668 A1 FR 2354668A1
Authority
FR
France
Prior art keywords
loudspeaker
control device
operation control
voice signals
speaker operation
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7717584A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2354668A1 publication Critical patent/FR2354668A1/fr
Withdrawn legal-status Critical Current

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
    • H04M9/085—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Liquid Developers In Electrophotography (AREA)
  • Mobile Radio Communication Systems (AREA)
FR7717584A 1976-06-08 1977-06-08 Dispositif de commande du fonctionnement de haut-parleurs par des signaux vocaux Withdrawn FR2354668A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7606399A SE399502B (sv) 1976-06-08 1976-06-08 For telefonanleggningar med hogtalarforsedda telefonapparater avsedd styranordning

Publications (1)

Publication Number Publication Date
FR2354668A1 true FR2354668A1 (fr) 1978-01-06

Family

ID=20328149

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7717584A Withdrawn FR2354668A1 (fr) 1976-06-08 1977-06-08 Dispositif de commande du fonctionnement de haut-parleurs par des signaux vocaux

Country Status (8)

Country Link
US (1) US4123620A (https=)
AU (1) AU508617B2 (https=)
DE (1) DE2726060A1 (https=)
DK (1) DK142390B (https=)
FR (1) FR2354668A1 (https=)
GB (1) GB1524756A (https=)
NO (1) NO141968B (https=)
SE (1) SE399502B (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1149524A (en) * 1980-10-03 1983-07-05 David H.A. Black Noise signal level control in a tasi system
GB2122851B (en) * 1982-06-10 1986-03-19 Standard Telephones Cables Ltd Loudspeaking telephones
GB2174578B (en) * 1985-05-04 1988-11-09 Stc Plc Loud speaking telephone
DE4130045A1 (de) * 1991-09-10 1993-03-18 Standard Elektrik Lorenz Ag Schaltungsanordnung zur dynamiksteuerung eines sprachendgeraetes
US5384838A (en) * 1992-05-19 1995-01-24 Hoffman; Ronald J. System for communicating through partitions
US8284926B2 (en) * 2007-09-26 2012-10-09 Avaya Inc. Enterprise-distributed noise management
US10751001B2 (en) 2013-12-03 2020-08-25 General Electric Company Systems and methods for tracking and analysis of electrical-physiological interference

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217873A1 (https=) * 1973-02-13 1974-09-06 Communications Satellite Corp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849603A (en) * 1972-10-30 1974-11-19 Mosler Safe Co Remote banking intercom system
US3958084A (en) * 1974-09-30 1976-05-18 Rockwell International Corporation Conferencing apparatus
US4024345A (en) * 1976-01-14 1977-05-17 Strom Industries International, Inc. Audio program and telephonic communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217873A1 (https=) * 1973-02-13 1974-09-06 Communications Satellite Corp

Also Published As

Publication number Publication date
DK254577A (https=) 1977-12-09
NO141968B (no) 1980-02-25
US4123620A (en) 1978-10-31
DK142390B (da) 1980-10-20
DK142390C (https=) 1981-03-16
SE399502B (sv) 1978-02-13
GB1524756A (en) 1978-09-13
DE2726060A1 (de) 1977-12-22
AU508617B2 (en) 1980-03-27
AU2580577A (en) 1978-12-07
NO771984L (no) 1977-12-09
SE7606399L (sv) 1977-12-09

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Legal Events

Date Code Title Description
ST Notification of lapse