FR2412126B3 - - Google Patents

Info

Publication number
FR2412126B3
FR2412126B3 FR7835472A FR7835472A FR2412126B3 FR 2412126 B3 FR2412126 B3 FR 2412126B3 FR 7835472 A FR7835472 A FR 7835472A FR 7835472 A FR7835472 A FR 7835472A FR 2412126 B3 FR2412126 B3 FR 2412126B3
Authority
FR
France
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.)
Expired
Application number
FR7835472A
Other versions
FR2412126A1 (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.)
S Siedle and Sohne
Original Assignee
S Siedle and Sohne
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 S Siedle and Sohne filed Critical S Siedle and Sohne
Publication of FR2412126A1 publication Critical patent/FR2412126A1/fr
Application granted granted Critical
Publication of FR2412126B3 publication Critical patent/FR2412126B3/fr
Expired legal-status Critical Current

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)
FR7835472A 1977-12-16 1978-12-15 Expired FR2412126B3 (fr)

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 (2)

Publication Number Publication Date
FR2412126A1 FR2412126A1 (fr) 1979-07-13
FR2412126B3 true FR2412126B3 (fr) 1981-10-16

Family

ID=6026379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7835472A Expired FR2412126B3 (fr) 1977-12-16 1978-12-15

Country Status (14)

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

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
FR2113710A5 (fr) * 1970-11-10 1972-06-23 Citovox

Also Published As

Publication number Publication date
NL7812007A (nl) 1979-06-19
GB2010642B (en) 1982-01-20
ES475995A1 (es) 1979-04-16
BE872780A (nl) 1979-03-30
DK535478A (da) 1979-06-17
DE2756276B2 (de) 1979-10-11
IS2466A7 (is) 1978-11-24
PT68875A (pt) 1979-01-01
FR2412126A1 (fr) 1979-07-13
IT1101562B (it) 1985-10-07
SE7812671L (sv) 1979-06-17
NO784143L (no) 1979-06-19
DE2756276C3 (de) 1982-08-12
GB2010642A (en) 1979-06-27
FI783834A (fi) 1979-06-17
LU80652A1 (de) 1979-04-13
DE2756276A1 (de) 1979-06-21
IT7830842A0 (it) 1978-12-14

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Legal Events

Date Code Title Description
ST Notification of lapse