SE7606399L - Talvexlingsanordning - Google Patents

Talvexlingsanordning

Info

Publication number
SE7606399L
SE7606399L SE7606399A SE7606399A SE7606399L SE 7606399 L SE7606399 L SE 7606399L SE 7606399 A SE7606399 A SE 7606399A SE 7606399 A SE7606399 A SE 7606399A SE 7606399 L SE7606399 L SE 7606399L
Authority
SE
Sweden
Prior art keywords
exchange device
number exchange
exchange
Prior art date
Application number
SE7606399A
Other languages
English (en)
Other versions
SE399502B (sv
Inventor
Sok
Original Assignee
Karlsson Lars Percy
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 Karlsson Lars Percy filed Critical Karlsson Lars Percy
Priority to SE7606399A priority Critical patent/SE399502B/sv
Priority to US05/802,803 priority patent/US4123620A/en
Priority to AU25805/77A priority patent/AU508617B2/en
Priority to GB23793/77A priority patent/GB1524756A/en
Priority to NO771984A priority patent/NO141968B/no
Priority to DE19772726060 priority patent/DE2726060A1/de
Priority to FR7717584A priority patent/FR2354668A1/fr
Priority to DK254577AA priority patent/DK142390B/da
Publication of SE7606399L publication Critical patent/SE7606399L/sv
Publication of SE399502B publication Critical patent/SE399502B/sv

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)
SE7606399A 1976-06-08 1976-06-08 For telefonanleggningar med hogtalarforsedda telefonapparater avsedd styranordning SE399502B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7606399A SE399502B (sv) 1976-06-08 1976-06-08 For telefonanleggningar med hogtalarforsedda telefonapparater avsedd styranordning
US05/802,803 US4123620A (en) 1976-06-08 1977-06-02 Apparatus for controlling the sound generation in the loudspeakers of intercommunicating telephone sets in response to speech signals from the microphones of said telephone sets
AU25805/77A AU508617B2 (en) 1976-06-08 1977-06-03 Voice switched telephone loudspeakers
GB23793/77A GB1524756A (en) 1976-06-08 1977-06-03 Telephone system
NO771984A NO141968B (no) 1976-06-08 1977-06-07 Talevekslingsanordning.
DE19772726060 DE2726060A1 (de) 1976-06-08 1977-06-08 Vorrichtung zum steuern der schallerzeugung in den lautsprechern von gegensprechanlagen in abhaengigkeit von sprachsignalen aus den telephongeraetmikrophonen
FR7717584A FR2354668A1 (fr) 1976-06-08 1977-06-08 Dispositif de commande du fonctionnement de haut-parleurs par des signaux vocaux
DK254577AA DK142390B (da) 1976-06-08 1977-06-08 Taleskifteanordning.

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 (2)

Publication Number Publication Date
SE7606399L true SE7606399L (sv) 1977-12-09
SE399502B SE399502B (sv) 1978-02-13

Family

ID=20328149

Family Applications (1)

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

Country Status (8)

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

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

Family Cites Families (4)

* 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
US3832491A (en) * 1973-02-13 1974-08-27 Communications Satellite Corp Digital voice switch with an adaptive digitally-controlled threshold
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

Also Published As

Publication number Publication date
GB1524756A (en) 1978-09-13
AU2580577A (en) 1978-12-07
NO771984L (no) 1977-12-09
AU508617B2 (en) 1980-03-27
NO141968B (no) 1980-02-25
DK142390C (sv) 1981-03-16
US4123620A (en) 1978-10-31
DK254577A (sv) 1977-12-09
DE2726060A1 (de) 1977-12-22
SE399502B (sv) 1978-02-13
DK142390B (da) 1980-10-20
FR2354668A1 (fr) 1978-01-06

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