BE877076A - Systemes d'intercommunication a haut-parleur - Google Patents

Systemes d'intercommunication a haut-parleur

Info

Publication number
BE877076A
BE877076A BE2/57880A BE2057880A BE877076A BE 877076 A BE877076 A BE 877076A BE 2/57880 A BE2/57880 A BE 2/57880A BE 2057880 A BE2057880 A BE 2057880A BE 877076 A BE877076 A BE 877076A
Authority
BE
Belgium
Prior art keywords
speaker
intercommunication systems
intercommunication
systems
speaker intercommunication
Prior art date
Application number
BE2/57880A
Other languages
English (en)
Inventor
M Slawik
H Wiedmann
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BE877076A publication Critical patent/BE877076A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
BE2/57880A 1978-06-19 1979-06-19 Systemes d'intercommunication a haut-parleur BE877076A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782826673 DE2826673A1 (de) 1978-06-19 1978-06-19 Schaltungsanordnung fuer eine freisprecheinrichtung in sprechanlagen

Publications (1)

Publication Number Publication Date
BE877076A true BE877076A (fr) 1979-12-19

Family

ID=6042080

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/57880A BE877076A (fr) 1978-06-19 1979-06-19 Systemes d'intercommunication a haut-parleur

Country Status (2)

Country Link
BE (1) BE877076A (fr)
DE (1) DE2826673A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3507483A1 (de) * 1985-03-02 1986-09-04 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Endgeraet einer fernmeldevermittlungsanlage

Also Published As

Publication number Publication date
DE2826673A1 (de) 1979-12-20

Similar Documents

Publication Publication Date Title
IT1150646B (it) Auricolare
FR2485315B1 (fr) Casque a ecouteurs
BE879683A (fr) Strijkpapierbekledingsmassa's met hoge vaste-stofconcentratie
DK74879A (da) Hoejtaler
PL214045A1 (pl) Srodek chwastobojczy
AT360600B (de) Richtmikrophon
BE880754A (fr) Perfectionnements relatifs a des systemes de haut-parleurs
IT1148173B (it) Valvola a farfalla
HU174941B (hu) Sposob poluchenija novykh slozhnykh ehfirov 17al'fa-gidroksy - gestagenov
BE852601A (fr) Unite d'accouplement
IT1088511B (it) Alimentatore a pressione
BE860362A (fr) Interpolymeres d'acrylonitrile-styrene-indene
BE877077R (fr) Systemes d'intercommunication a haut-parleur
RO84957A (fr) Chargeur-transporteur a pelles
BR7701164A (pt) Sistemas de alto-falantes
AT350312B (de) Weitwinkelgelenk
BE859580A (fr) Boitier de dialyseur
PT70851A (pt) Jonction a rotule
DK437079A (da) Hoejttaler
DK98479A (da) Rummelfri mikrofonkombination
BE877076A (fr) Systemes d'intercommunication a haut-parleur
IT1128204B (it) Doccia particolarmente doccia a telefono
TR20841A (tr) Koeprue olusturan kuvvetlendirici
IT1083817B (it) Sistema diffusore acustico a piu' altoparlanti
IT1088711B (it) Dispositivo d'impilaggio