FI802424A - Kopplingsanordning foer oevervakning av dugaongspaenning - Google Patents
Kopplingsanordning foer oevervakning av dugaongspaenningInfo
- Publication number
- FI802424A FI802424A FI802424A FI802424A FI802424A FI 802424 A FI802424 A FI 802424A FI 802424 A FI802424 A FI 802424A FI 802424 A FI802424 A FI 802424A FI 802424 A FI802424 A FI 802424A
- Authority
- FI
- Finland
- Prior art keywords
- time
- duration
- control circuit
- rest position
- input voltage
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Measurement Of Current Or Voltage (AREA)
- Dc-Dc Converters (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electrophonic Musical Instruments (AREA)
- Amplifiers (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Control Of Voltage And Current In General (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2931436A DE2931436C2 (de) | 1979-08-02 | 1979-08-02 | Schaltungsanordnung zum Überwachen einer Eingangsspannung |
Publications (1)
Publication Number | Publication Date |
---|---|
FI802424A true FI802424A (fi) | 1981-02-03 |
Family
ID=6077495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI802424A FI802424A (fi) | 1979-08-02 | 1980-08-01 | Kopplingsanordning foer oevervakning av dugaongspaenning |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0023695B1 (fi) |
AT (1) | ATE4265T1 (fi) |
DE (1) | DE2931436C2 (fi) |
DK (1) | DK332480A (fi) |
ES (1) | ES493897A0 (fi) |
FI (1) | FI802424A (fi) |
NO (1) | NO802312L (fi) |
PT (1) | PT71643B (fi) |
YU (1) | YU193880A (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3028236A1 (de) * | 1980-07-25 | 1982-03-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zum auf- bzw. abbau einer datenverbindung |
IT1211072B (it) * | 1981-06-30 | 1989-09-29 | Ates Componenti Elettron | Circuito raddrizzatore a ponte di transistori per uso telefonico. |
US4488006A (en) * | 1982-07-01 | 1984-12-11 | At&T Bell Laboratories | Apparatus for controlling the application of telephone line power in a telephone set |
KR970013827A (ko) * | 1995-08-23 | 1997-03-29 | 김광호 | 무선전화기에서 고정장치의 오동작 방지회로 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2536200C2 (de) * | 1975-08-13 | 1983-04-21 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zur Überwachung einer Sprechader in Fernsprechapparaten |
FR2357122A1 (fr) * | 1976-07-02 | 1978-01-27 | Picart Lebas Telephones | Dispositif electrique de numerotation decimale a clavier |
DE2813580A1 (de) * | 1978-03-29 | 1979-10-04 | Siemens Ag | Schaltungsanordnung fuer ueber anschlussleitungen gespeiste teilnehmerstationen mit zusatzgeraeten in fernmelde- insbesondere fernsprechanlagen |
DE2931456C2 (de) * | 1979-08-02 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Parallelregelschaltung |
-
1979
- 1979-08-02 DE DE2931436A patent/DE2931436C2/de not_active Expired
-
1980
- 1980-07-28 EP EP80104434A patent/EP0023695B1/de not_active Expired
- 1980-07-28 AT AT80104434T patent/ATE4265T1/de not_active IP Right Cessation
- 1980-07-31 ES ES493897A patent/ES493897A0/es active Granted
- 1980-07-31 YU YU01938/80A patent/YU193880A/xx unknown
- 1980-08-01 PT PT71643A patent/PT71643B/pt unknown
- 1980-08-01 DK DK332480A patent/DK332480A/da not_active Application Discontinuation
- 1980-08-01 NO NO802312A patent/NO802312L/no unknown
- 1980-08-01 FI FI802424A patent/FI802424A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0023695A1 (de) | 1981-02-11 |
PT71643A (de) | 1980-09-01 |
NO802312L (no) | 1981-02-03 |
ATE4265T1 (de) | 1983-08-15 |
DE2931436B1 (de) | 1980-12-04 |
PT71643B (de) | 1981-06-26 |
YU193880A (en) | 1982-10-31 |
DK332480A (da) | 1981-02-03 |
DE2931436C2 (de) | 1981-08-20 |
ES8104695A1 (es) | 1981-04-16 |
EP0023695B1 (de) | 1983-07-20 |
ES493897A0 (es) | 1981-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: SIEMENS AKTIENGESELLSCHAFT |