ITTO970374A0 - - Google Patents
Info
- Publication number
- ITTO970374A0 ITTO970374A0 ITTO970374A ITTO970374A ITTO970374A0 IT TO970374 A0 ITTO970374 A0 IT TO970374A0 IT TO970374 A ITTO970374 A IT TO970374A IT TO970374 A ITTO970374 A IT TO970374A IT TO970374 A0 ITTO970374 A0 IT TO970374A0
- Authority
- IT
- Italy
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT97TO000374A IT1294377B1 (it) | 1997-04-30 | 1997-04-30 | Sistema di connessione elettrica per impianti citofonici e/o videocitofonici. |
| EP98107672A EP0876044A3 (en) | 1997-04-30 | 1998-04-28 | Electric connection system for intercom and/or video intercom installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT97TO000374A IT1294377B1 (it) | 1997-04-30 | 1997-04-30 | Sistema di connessione elettrica per impianti citofonici e/o videocitofonici. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ITTO970374A0 true ITTO970374A0 (US06559137-20030506-C00182.png) | 1997-04-30 |
| ITTO970374A1 ITTO970374A1 (it) | 1998-10-30 |
| IT1294377B1 IT1294377B1 (it) | 1999-03-24 |
Family
ID=11415686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT97TO000374A IT1294377B1 (it) | 1997-04-30 | 1997-04-30 | Sistema di connessione elettrica per impianti citofonici e/o videocitofonici. |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0876044A3 (US06559137-20030506-C00182.png) |
| IT (1) | IT1294377B1 (US06559137-20030506-C00182.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3881285B2 (ja) * | 2002-05-30 | 2007-02-14 | アイホン株式会社 | インターホン装置 |
| ES2265241B2 (es) * | 2004-10-20 | 2007-08-16 | Televes, S.A. | Sistema de videoporteria. |
| JP6937487B2 (ja) * | 2017-11-16 | 2021-09-22 | パナソニックＩｐマネジメント株式会社 | 分岐器及びインターホンシステム |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0039385A3 (en) * | 1980-02-08 | 1981-12-02 | FALCONI COSTRUZIONI IMPIANTI S.p.A. | Transmission of video and other signals and also of a return message by a single unshielded two-wire cable |
| IT1160803B (it) * | 1983-03-11 | 1987-03-11 | Comelit Cie Elettronica Italia | Procedimento per trattare i segnali utili in un videocitofono a quattro conduttori e circuiteria relativa |
| DE19548744C5 (de) * | 1995-02-28 | 2004-02-05 | TCS TürControlSysteme AG | Signal- und Gegensprechanlage für die Haustechnik |
-
1997
- 1997-04-30 IT IT97TO000374A patent/IT1294377B1/it active IP Right Grant
-
1998
- 1998-04-28 EP EP98107672A patent/EP0876044A3/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT1294377B1 (it) | 1999-03-24 |
| ITTO970374A1 (it) | 1998-10-30 |
| EP0876044A3 (en) | 2003-08-27 |
| EP0876044A2 (en) | 1998-11-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted |