LU80652A1 - Schaltungsanordnung fuer eine ruf-,tuersprech-und tueroeffneranlage - Google Patents

Schaltungsanordnung fuer eine ruf-,tuersprech-und tueroeffneranlage

Info

Publication number
LU80652A1
LU80652A1 LU80652A LU80652A LU80652A1 LU 80652 A1 LU80652 A1 LU 80652A1 LU 80652 A LU80652 A LU 80652A LU 80652 A LU80652 A LU 80652A LU 80652 A1 LU80652 A1 LU 80652A1
Authority
LU
Luxembourg
Prior art keywords
door
call
circuit arrangement
intercom
opener system
Prior art date
Application number
LU80652A
Other languages
German (de)
English (en)
Inventor
G Schlaps
Original Assignee
Siedle & Soehne S
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 Siedle & Soehne S filed Critical Siedle & Soehne S
Publication of LU80652A1 publication Critical patent/LU80652A1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/025—Door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
LU80652A 1977-12-16 1978-12-13 Schaltungsanordnung fuer eine ruf-,tuersprech-und tueroeffneranlage LU80652A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2756276A DE2756276C3 (de) 1977-12-16 1977-12-16 Schaltungsanordnung für eine Ruf-, Türsprech- und Türöffneranlage

Publications (1)

Publication Number Publication Date
LU80652A1 true LU80652A1 (de) 1979-04-13

Family

ID=6026379

Family Applications (1)

Application Number Title Priority Date Filing Date
LU80652A LU80652A1 (de) 1977-12-16 1978-12-13 Schaltungsanordnung fuer eine ruf-,tuersprech-und tueroeffneranlage

Country Status (14)

Country Link
BE (1) BE872780A (it)
DE (1) DE2756276C3 (it)
DK (1) DK535478A (it)
ES (1) ES475995A1 (it)
FI (1) FI783834A (it)
FR (1) FR2412126B3 (it)
GB (1) GB2010642B (it)
IS (1) IS2466A7 (it)
IT (1) IT1101562B (it)
LU (1) LU80652A1 (it)
NL (1) NL7812007A (it)
NO (1) NO784143L (it)
PT (1) PT68875A (it)
SE (1) SE7812671L (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1110111B (it) * 1979-01-12 1985-12-23 Acet Srl Impianto citofonico a portiere elettrico a due fili,suscettibile di utilizzare un pressistente impianto a campanello,senza necessita' di ulteriori linee di alimentazione
DE4130101C1 (en) * 1991-09-11 1993-02-04 Ritto-Werk Loh Gmbh & Co Kg, 6342 Haiger, De Door intercom with door-opening button - centrally generates call signal and feeds to individual internal intercoms using circuit including two series-connected Zener diodes and parallel decoupling diode

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES396844A1 (es) * 1970-11-10 1974-06-16 Citovox Instalacion interfonica con cerradura electrica y conexio- nes obtenidas por solamente dos cables.

Also Published As

Publication number Publication date
DK535478A (da) 1979-06-17
NL7812007A (nl) 1979-06-19
DE2756276C3 (de) 1982-08-12
DE2756276B2 (de) 1979-10-11
FI783834A (fi) 1979-06-17
IS2466A7 (is) 1978-11-24
ES475995A1 (es) 1979-04-16
DE2756276A1 (de) 1979-06-21
SE7812671L (sv) 1979-06-17
PT68875A (pt) 1979-01-01
IT1101562B (it) 1985-10-07
BE872780A (nl) 1979-03-30
FR2412126A1 (it) 1979-07-13
NO784143L (no) 1979-06-19
GB2010642A (en) 1979-06-27
GB2010642B (en) 1982-01-20
FR2412126B3 (it) 1981-10-16
IT7830842A0 (it) 1978-12-14

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