FR2086335B1 - - Google Patents
Info
- Publication number
- FR2086335B1 FR2086335B1 FR7114820A FR7114820A FR2086335B1 FR 2086335 B1 FR2086335 B1 FR 2086335B1 FR 7114820 A FR7114820 A FR 7114820A FR 7114820 A FR7114820 A FR 7114820A FR 2086335 B1 FR2086335 B1 FR 2086335B1
- 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
- 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)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702019899 DE2019899C3 (de) | 1970-04-24 | 1970-04-24 | Kombinierte Ruf-, Türsprech- und Öffner anlage |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2086335A1 FR2086335A1 (fr) | 1971-12-31 |
FR2086335B1 true FR2086335B1 (fr) | 1977-01-28 |
Family
ID=5769103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7114820A Expired FR2086335B1 (fr) | 1970-04-24 | 1971-04-26 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2019899C3 (fr) |
FR (1) | FR2086335B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2733693C3 (de) * | 1977-07-26 | 1983-11-10 | S. Siedle & Söhne Telefon- und Telegrafenwerke GmbH, 7743 Furtwangen | Schaltungsanordnung für eine Ruf-, Türwechselsprech- und Türöffneranlage |
IT1110111B (it) * | 1979-01-12 | 1985-12-23 | Acet Srl | Impianto citofonico a portiere elettrico a due fili,suscettibile di utilizzare un pressistente impianto a campanello,senza necessita' di ulteriori linee di alimentazione |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1566702C3 (de) * | 1963-03-27 | 1975-11-06 | Heider Gmbh, 5961 Gerlingen | Schaltungsanordnung für kombinierte Klingel·, Türsprech- und -öffneranlagen |
-
1970
- 1970-04-24 DE DE19702019899 patent/DE2019899C3/de not_active Expired
-
1971
- 1971-04-26 FR FR7114820A patent/FR2086335B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2019899C3 (de) | 1974-01-10 |
FR2086335A1 (fr) | 1971-12-31 |
DE2019899B2 (de) | 1973-06-14 |
DE2019899A1 (de) | 1971-12-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |