IT1308754B1 - INTERFACE DEVICE FOR BIDIRECTIONAL CONNECTION BETWEEN ONE USER OF TELEPHONE USER AND A DOOR PHONE. - Google Patents

INTERFACE DEVICE FOR BIDIRECTIONAL CONNECTION BETWEEN ONE USER OF TELEPHONE USER AND A DOOR PHONE.

Info

Publication number
IT1308754B1
IT1308754B1 ITTO990544A IT1308754B1 IT 1308754 B1 IT1308754 B1 IT 1308754B1 IT TO990544 A ITTO990544 A IT TO990544A IT 1308754 B1 IT1308754 B1 IT 1308754B1
Authority
IT
Italy
Prior art keywords
user
interface device
door phone
bidirectional connection
telephone
Prior art date
Application number
Other languages
Italian (it)
Inventor
Massimo Mondardini
Original Assignee
Urmet Domus S P A
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 Urmet Domus S P A filed Critical Urmet Domus S P A
Priority to IT1999TO000544 priority Critical patent/IT1308754B1/en
Publication of ITTO990544A1 publication Critical patent/ITTO990544A1/en
Application granted granted Critical
Publication of IT1308754B1 publication Critical patent/IT1308754B1/en

Links

IT1999TO000544 1999-06-25 1999-06-25 INTERFACE DEVICE FOR BIDIRECTIONAL CONNECTION BETWEEN ONE USER OF TELEPHONE USER AND A DOOR PHONE. IT1308754B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT1999TO000544 IT1308754B1 (en) 1999-06-25 1999-06-25 INTERFACE DEVICE FOR BIDIRECTIONAL CONNECTION BETWEEN ONE USER OF TELEPHONE USER AND A DOOR PHONE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999TO000544 IT1308754B1 (en) 1999-06-25 1999-06-25 INTERFACE DEVICE FOR BIDIRECTIONAL CONNECTION BETWEEN ONE USER OF TELEPHONE USER AND A DOOR PHONE.

Publications (2)

Publication Number Publication Date
ITTO990544A1 ITTO990544A1 (en) 2000-12-25
IT1308754B1 true IT1308754B1 (en) 2002-01-10

Family

ID=11417917

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999TO000544 IT1308754B1 (en) 1999-06-25 1999-06-25 INTERFACE DEVICE FOR BIDIRECTIONAL CONNECTION BETWEEN ONE USER OF TELEPHONE USER AND A DOOR PHONE.

Country Status (1)

Country Link
IT (1) IT1308754B1 (en)

Also Published As

Publication number Publication date
ITTO990544A1 (en) 2000-12-25

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