ITTO990392A0 - Impianto citofonico - Google Patents

Impianto citofonico

Info

Publication number
ITTO990392A0
ITTO990392A0 IT99TO000392A ITTO990392A ITTO990392A0 IT TO990392 A0 ITTO990392 A0 IT TO990392A0 IT 99TO000392 A IT99TO000392 A IT 99TO000392A IT TO990392 A ITTO990392 A IT TO990392A IT TO990392 A0 ITTO990392 A0 IT TO990392A0
Authority
IT
Italy
Prior art keywords
intercom system
intercom
Prior art date
Application number
IT99TO000392A
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)
  • Power-Operated Mechanisms For Wings (AREA)
  • Telephone Function (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 true ITTO990392A0 (it) 1999-05-12
ITTO990392A1 ITTO990392A1 (it) 2000-11-12
IT1308483B1 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
IT1308483B1 (it) 2001-12-17
ITTO990392A1 (it) 2000-11-12

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