IT8903388A0 - INTERCOMMUNICATING INTERCOM SYSTEM COMBINED WITH ALARM SYSTEM, WITH COMMON LOGICAL CONTROL AND COMMAND CIRCUIT, CENTRALIZED FOR EACH USER - Google Patents

INTERCOMMUNICATING INTERCOM SYSTEM COMBINED WITH ALARM SYSTEM, WITH COMMON LOGICAL CONTROL AND COMMAND CIRCUIT, CENTRALIZED FOR EACH USER

Info

Publication number
IT8903388A0
IT8903388A0 IT893388A IT338889A IT8903388A0 IT 8903388 A0 IT8903388 A0 IT 8903388A0 IT 893388 A IT893388 A IT 893388A IT 338889 A IT338889 A IT 338889A IT 8903388 A0 IT8903388 A0 IT 8903388A0
Authority
IT
Italy
Prior art keywords
intercommunicating
centralized
user
logical control
command circuit
Prior art date
Application number
IT893388A
Other languages
Italian (it)
Other versions
IT1234035B (en
Inventor
Piero Cecchini
Alberto Grossi
Original Assignee
Metas Sa
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 Metas Sa filed Critical Metas Sa
Priority to IT893388A priority Critical patent/IT1234035B/en
Publication of IT8903388A0 publication Critical patent/IT8903388A0/en
Application granted granted Critical
Publication of IT1234035B publication Critical patent/IT1234035B/en

Links

IT893388A 1989-03-17 1989-03-17 Communication entry phone system combined with an alarm system, with common logic control and command circuits, centralised for each user. IT1234035B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT893388A IT1234035B (en) 1989-03-17 1989-03-17 Communication entry phone system combined with an alarm system, with common logic control and command circuits, centralised for each user.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT893388A IT1234035B (en) 1989-03-17 1989-03-17 Communication entry phone system combined with an alarm system, with common logic control and command circuits, centralised for each user.

Publications (2)

Publication Number Publication Date
IT8903388A0 true IT8903388A0 (en) 1989-03-17
IT1234035B IT1234035B (en) 1992-04-24

Family

ID=32948065

Family Applications (1)

Application Number Title Priority Date Filing Date
IT893388A IT1234035B (en) 1989-03-17 1989-03-17 Communication entry phone system combined with an alarm system, with common logic control and command circuits, centralised for each user.

Country Status (1)

Country Link
IT (1) IT1234035B (en)

Also Published As

Publication number Publication date
IT1234035B (en) 1992-04-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970328