FR2175357A5 - - Google Patents
Info
- Publication number
- FR2175357A5 FR2175357A5 FR7208723A FR7208723A FR2175357A5 FR 2175357 A5 FR2175357 A5 FR 2175357A5 FR 7208723 A FR7208723 A FR 7208723A FR 7208723 A FR7208723 A FR 7208723A FR 2175357 A5 FR2175357 A5 FR 2175357A5
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
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
-
- 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)
- Multimedia (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7208723A FR2175357A5 (Sortimente) | 1972-03-09 | 1972-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7208723A FR2175357A5 (Sortimente) | 1972-03-09 | 1972-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2175357A5 true FR2175357A5 (Sortimente) | 1973-10-19 |
Family
ID=9095117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7208723A Expired FR2175357A5 (Sortimente) | 1972-03-09 | 1972-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2175357A5 (Sortimente) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2379868A1 (fr) * | 1977-02-04 | 1978-09-01 | Bassani Spa | Moyens d'installation permettant de combiner une camera de television dans un tableau de touches pour portier electrique |
-
1972
- 1972-03-09 FR FR7208723A patent/FR2175357A5/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2379868A1 (fr) * | 1977-02-04 | 1978-09-01 | Bassani Spa | Moyens d'installation permettant de combiner une camera de television dans un tableau de touches pour portier electrique |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |