BE867605A - OVERVOLTAGE LIMITER FOR ELECTRONIC TELEPHONE SYSTEMS - Google Patents
OVERVOLTAGE LIMITER FOR ELECTRONIC TELEPHONE SYSTEMSInfo
- Publication number
- BE867605A BE867605A BE188146A BE188146A BE867605A BE 867605 A BE867605 A BE 867605A BE 188146 A BE188146 A BE 188146A BE 188146 A BE188146 A BE 188146A BE 867605 A BE867605 A BE 867605A
- Authority
- BE
- Belgium
- Prior art keywords
- telephone systems
- electronic telephone
- overvoltage limiter
- overvoltage
- limiter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/044—Physical layout, materials not provided for elsewhere
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/021—Current limitation using saturable reactors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7716470A FR2393454A1 (en) | 1977-05-31 | 1977-05-31 | Overvoltage limiting on electronic telephonic installation - utilises saturable magnetic transformer with closed magnetic circuit coupled to lines |
Publications (1)
Publication Number | Publication Date |
---|---|
BE867605A true BE867605A (en) | 1978-09-18 |
Family
ID=9191426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE188146A BE867605A (en) | 1977-05-31 | 1978-05-30 | OVERVOLTAGE LIMITER FOR ELECTRONIC TELEPHONE SYSTEMS |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE867605A (en) |
DE (1) | DE2823621A1 (en) |
ES (1) | ES470265A1 (en) |
FR (1) | FR2393454A1 (en) |
IT (1) | IT1094937B (en) |
SU (1) | SU683650A3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2913232C2 (en) * | 1979-04-03 | 1987-02-19 | Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen | Firedamp and explosion-proof radio telephone with a keypad |
FR2523779A1 (en) * | 1982-03-22 | 1983-09-23 | Berdanos Guy | ISOLATED BINARY TRANSMISSION DEVICE BY ELECTRIC LINE |
-
1977
- 1977-05-31 FR FR7716470A patent/FR2393454A1/en active Granted
-
1978
- 1978-05-29 SU SU782620453A patent/SU683650A3/en active
- 1978-05-29 ES ES470265A patent/ES470265A1/en not_active Expired
- 1978-05-30 DE DE19782823621 patent/DE2823621A1/en not_active Withdrawn
- 1978-05-30 IT IT23962/78A patent/IT1094937B/en active
- 1978-05-30 BE BE188146A patent/BE867605A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT7823962A0 (en) | 1978-05-30 |
FR2393454A1 (en) | 1978-12-29 |
FR2393454B1 (en) | 1982-01-08 |
DE2823621A1 (en) | 1978-12-14 |
IT1094937B (en) | 1985-08-10 |
SU683650A3 (en) | 1979-08-30 |
ES470265A1 (en) | 1979-02-16 |
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