CH604400A5 - - Google Patents
Info
- Publication number
- CH604400A5 CH604400A5 CH262476A CH262476A CH604400A5 CH 604400 A5 CH604400 A5 CH 604400A5 CH 262476 A CH262476 A CH 262476A CH 262476 A CH262476 A CH 262476A CH 604400 A5 CH604400 A5 CH 604400A5
- Authority
- CH
- Switzerland
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/06—Arrangements for supplying operative power
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752509433 DE2509433A1 (en) | 1975-03-05 | 1975-03-05 | No-break power supply for electronic supervisory relay - has rechargeable battery as back up supply |
Publications (1)
Publication Number | Publication Date |
---|---|
CH604400A5 true CH604400A5 (en) | 1978-09-15 |
Family
ID=5940443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH262476A CH604400A5 (en) | 1975-03-05 | 1976-03-03 |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH604400A5 (en) |
DE (1) | DE2509433A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4124190A1 (en) * | 1991-07-20 | 1993-01-21 | Abb Patent Gmbh | Network protection circuit for monitoring and isolating due to fault - measures current difference between at least one outgoing lead and neutral lead to detect fault or earth leakage |
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1975
- 1975-03-05 DE DE19752509433 patent/DE2509433A1/en active Pending
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1976
- 1976-03-03 CH CH262476A patent/CH604400A5/xx not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4124190A1 (en) * | 1991-07-20 | 1993-01-21 | Abb Patent Gmbh | Network protection circuit for monitoring and isolating due to fault - measures current difference between at least one outgoing lead and neutral lead to detect fault or earth leakage |
Also Published As
Publication number | Publication date |
---|---|
DE2509433A1 (en) | 1976-09-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |