FI783834A7 - Kopplingsanordning foer en anrops- doerrtelefon- och doerroeppnaranlaeggning - Google Patents
Kopplingsanordning foer en anrops- doerrtelefon- och doerroeppnaranlaeggning Download PDFInfo
- Publication number
- FI783834A7 FI783834A7 FI783834A FI783834A FI783834A7 FI 783834 A7 FI783834 A7 FI 783834A7 FI 783834 A FI783834 A FI 783834A FI 783834 A FI783834 A FI 783834A FI 783834 A7 FI783834 A7 FI 783834A7
- Authority
- FI
- Finland
- Prior art keywords
- kopplingsnordning
- doerrtelefon
- doerroeppnaranlaeggning
- anrops
- foer
- Prior art date
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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2756276A DE2756276C3 (de) | 1977-12-16 | 1977-12-16 | Schaltungsanordnung für eine Ruf-, Türsprech- und Türöffneranlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI783834A7 true FI783834A7 (fi) | 1979-06-17 |
Family
ID=6026379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI783834A FI783834A7 (fi) | 1977-12-16 | 1978-12-13 | Kopplingsanordning foer en anrops- doerrtelefon- och doerroeppnaranlaeggning |
Country Status (14)
| Country | Link |
|---|---|
| BE (1) | BE872780A (https=) |
| DE (1) | DE2756276C3 (https=) |
| DK (1) | DK535478A (https=) |
| ES (1) | ES475995A1 (https=) |
| FI (1) | FI783834A7 (https=) |
| FR (1) | FR2412126B3 (https=) |
| GB (1) | GB2010642B (https=) |
| IS (1) | IS2466A7 (https=) |
| IT (1) | IT1101562B (https=) |
| LU (1) | LU80652A1 (https=) |
| NL (1) | NL7812007A (https=) |
| NO (1) | NO784143L (https=) |
| PT (1) | PT68875A (https=) |
| SE (1) | SE7812671L (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE4130101C1 (en) * | 1991-09-11 | 1993-02-04 | Ritto-Werk Loh Gmbh & Co Kg, 6342 Haiger, De | Door intercom with door-opening button - centrally generates call signal and feeds to individual internal intercoms using circuit including two series-connected Zener diodes and parallel decoupling diode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2113710A5 (https=) * | 1970-11-10 | 1972-06-23 | Citovox |
-
1977
- 1977-12-16 DE DE2756276A patent/DE2756276C3/de not_active Expired
-
1978
- 1978-11-24 IS IS2466A patent/IS2466A7/is unknown
- 1978-11-29 DK DK535478A patent/DK535478A/da unknown
- 1978-11-30 GB GB7846655A patent/GB2010642B/en not_active Expired
- 1978-12-05 PT PT68875A patent/PT68875A/pt unknown
- 1978-12-08 SE SE7812671A patent/SE7812671L/xx unknown
- 1978-12-08 NL NL7812007A patent/NL7812007A/xx not_active Application Discontinuation
- 1978-12-08 NO NO784143A patent/NO784143L/no unknown
- 1978-12-13 FI FI783834A patent/FI783834A7/fi unknown
- 1978-12-13 LU LU80652A patent/LU80652A1/de unknown
- 1978-12-14 ES ES475995A patent/ES475995A1/es not_active Expired
- 1978-12-14 IT IT30842/78A patent/IT1101562B/it active
- 1978-12-15 FR FR7835472A patent/FR2412126B3/fr not_active Expired
- 1978-12-15 BE BE2057492A patent/BE872780A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2010642B (en) | 1982-01-20 |
| ES475995A1 (es) | 1979-04-16 |
| IT1101562B (it) | 1985-10-07 |
| DE2756276C3 (de) | 1982-08-12 |
| NL7812007A (nl) | 1979-06-19 |
| FR2412126A1 (https=) | 1979-07-13 |
| SE7812671L (sv) | 1979-06-17 |
| BE872780A (nl) | 1979-03-30 |
| DK535478A (da) | 1979-06-17 |
| IS2466A7 (is) | 1978-11-24 |
| LU80652A1 (de) | 1979-04-13 |
| PT68875A (pt) | 1979-01-01 |
| DE2756276B2 (de) | 1979-10-11 |
| GB2010642A (en) | 1979-06-27 |
| IT7830842A0 (it) | 1978-12-14 |
| NO784143L (no) | 1979-06-19 |
| FR2412126B3 (https=) | 1981-10-16 |
| DE2756276A1 (de) | 1979-06-21 |
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