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 USERInfo
- 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
Links
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) |
-
1989
- 1989-03-17 IT IT893388A patent/IT1234035B/en active
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 |