FI68132C - Noedanropsanlaeggning - Google Patents
Noedanropsanlaeggning Download PDFInfo
- Publication number
- FI68132C FI68132C FI803789A FI803789A FI68132C FI 68132 C FI68132 C FI 68132C FI 803789 A FI803789 A FI 803789A FI 803789 A FI803789 A FI 803789A FI 68132 C FI68132 C FI 68132C
- Authority
- FI
- Finland
- Prior art keywords
- emergency call
- capacitor
- relay
- branch
- line
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Alarm Systems (AREA)
- Telephonic Communication Services (AREA)
- Peptides Or Proteins (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2949513 | 1979-12-08 | ||
DE2949513A DE2949513C2 (de) | 1979-12-08 | 1979-12-08 | Notrufanlage |
Publications (3)
Publication Number | Publication Date |
---|---|
FI803789L FI803789L (fi) | 1981-06-09 |
FI68132B FI68132B (fi) | 1985-03-29 |
FI68132C true FI68132C (fi) | 1985-07-10 |
Family
ID=6087978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI803789A FI68132C (fi) | 1979-12-08 | 1980-12-05 | Noedanropsanlaeggning |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0030395B1 (fr) |
AT (1) | ATE2923T1 (fr) |
DE (1) | DE2949513C2 (fr) |
FI (1) | FI68132C (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19541400C1 (de) * | 1995-11-07 | 1997-02-13 | Neumann Elektronik Gmbh | Informations-Notrufanlage |
DE102008035920A1 (de) * | 2008-08-01 | 2010-02-04 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Schaltungsanordnung für eine serielle Kommunikation mit Aufweckfunktion |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1412680B1 (de) * | 1961-07-20 | 1971-01-07 | Tekade Fernmeldeapp Gmbh | Schaltungsanordnung zur Verbindungsherstellung zwischen einer Meldesprechstelle und der Abfragestelle einer Fernsprechnebenstellenanlage |
FR2169471A5 (fr) * | 1972-01-26 | 1973-09-07 | Marinier Pierre | |
JPS5011507A (fr) * | 1973-05-31 | 1975-02-06 | ||
DE2758689C3 (de) * | 1977-12-29 | 1981-02-12 | Neumann Elektronik Gmbh, 4330 Muelheim | Notrufanlage |
US4169216A (en) * | 1978-05-08 | 1979-09-25 | Northern Telecom Limited | Electronic hold and hold-release circuit for a telephone set in a multiple extension single line telephone system |
-
1979
- 1979-12-08 DE DE2949513A patent/DE2949513C2/de not_active Expired
-
1980
- 1980-10-15 EP EP80200976A patent/EP0030395B1/fr not_active Expired
- 1980-10-15 AT AT80200976T patent/ATE2923T1/de not_active IP Right Cessation
- 1980-12-05 FI FI803789A patent/FI68132C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI68132B (fi) | 1985-03-29 |
ATE2923T1 (de) | 1983-04-15 |
EP0030395A1 (fr) | 1981-06-17 |
FI803789L (fi) | 1981-06-09 |
EP0030395B1 (fr) | 1983-03-30 |
DE2949513C2 (de) | 1983-12-22 |
DE2949513A1 (de) | 1981-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: NEUMANN ELEKTRONIK GMBH |