IT1308483B1 - Impianto citofonico - Google Patents

Impianto citofonico

Info

Publication number
IT1308483B1
IT1308483B1 IT1999TO000392A ITTO990392A IT1308483B1 IT 1308483 B1 IT1308483 B1 IT 1308483B1 IT 1999TO000392 A IT1999TO000392 A IT 1999TO000392A IT TO990392 A ITTO990392 A IT TO990392A IT 1308483 B1 IT1308483 B1 IT 1308483B1
Authority
IT
Italy
Prior art keywords
phone system
door phone
door
phone
Prior art date
Application number
IT1999TO000392A
Other languages
English (en)
Inventor
Marco Bersano
Original Assignee
Bitron Video
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 Bitron Video filed Critical Bitron Video
Priority to IT1999TO000392A priority Critical patent/IT1308483B1/it
Publication of ITTO990392A0 publication Critical patent/ITTO990392A0/it
Priority to EP00110090A priority patent/EP1054555A3/en
Publication of ITTO990392A1 publication Critical patent/ITTO990392A1/it
Application granted granted Critical
Publication of IT1308483B1 publication Critical patent/IT1308483B1/it

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)
  • Telephone Function (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
IT1999TO000392A 1999-05-12 1999-05-12 Impianto citofonico IT1308483B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT1999TO000392A IT1308483B1 (it) 1999-05-12 1999-05-12 Impianto citofonico
EP00110090A EP1054555A3 (en) 1999-05-12 2000-05-12 Intercom system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999TO000392A IT1308483B1 (it) 1999-05-12 1999-05-12 Impianto citofonico

Publications (3)

Publication Number Publication Date
ITTO990392A0 ITTO990392A0 (it) 1999-05-12
ITTO990392A1 ITTO990392A1 (it) 2000-11-12
IT1308483B1 true IT1308483B1 (it) 2001-12-17

Family

ID=11417802

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999TO000392A IT1308483B1 (it) 1999-05-12 1999-05-12 Impianto citofonico

Country Status (2)

Country Link
EP (1) EP1054555A3 (it)
IT (1) IT1308483B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU204329U1 (ru) * 2020-11-19 2021-05-20 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") Универсальное терминальное устройство служебной связи и управления

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909771A (en) * 1956-07-05 1959-10-20 Louis H Minnich Door signal regulator
US3728493A (en) * 1971-03-04 1973-04-17 Scovill Manufacturing Co Intercommunication system
IT1286161B1 (it) * 1996-07-10 1998-07-07 Urmet Domus S P A Impianto citofonico con posti esterni ed interni bidirezionalmente connessi mediante linea a due soli fili.

Also Published As

Publication number Publication date
EP1054555A2 (en) 2000-11-22
EP1054555A3 (en) 2003-08-13
ITTO990392A1 (it) 2000-11-12
ITTO990392A0 (it) 1999-05-12

Similar Documents

Publication Publication Date Title
FI991089A0 (fi) Tietoliikennevälineet
DE50004430D1 (de) Fahrzeugelektrik-konfigurationssystem
DE60044166D1 (de) Hörkapsel
FI19992470A (fi) Tiedonsiirto
FI4231U1 (fi) Kotelo
ATA25299A (de) Scharnier
DE60044218D1 (de) em
BR0002966B1 (pt) dobradiÇa.
DE50006448D1 (de) Einklemmschutzsystem
DE60026055D1 (de) Tür
DE50006120D1 (de) Scharnier
FR2796979B1 (fr) Gond
NO20015474D0 (no) Telekommunikasjonssystem
FI990785A (fi) Puhelinviestintäjärjestelmä
NO20001643D0 (no) Kommunikasjonssystem
DE50007103D1 (de) Scharnier
IT1308483B1 (it) Impianto citofonico
NO20002082D0 (no) Kommunikasjonssystem
NO20004230D0 (no) Kommunikasjonssystem
FI19992427A (fi) Puhelinvastaajajärjestelmä
FI991185A0 (fi) Sarana
ATA60298A (de) Telefonanlage
NO20015998D0 (no) Hengsel
FI19992748A (fi) Tietoliikennejärjestelmä
IT1308309B1 (it) Apparato telefonico