BE743810A - - Google Patents
Info
- Publication number
- BE743810A BE743810A BE743810DA BE743810A BE 743810 A BE743810 A BE 743810A BE 743810D A BE743810D A BE 743810DA BE 743810 A BE743810 A BE 743810A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/38—Instruments transformers for polyphase ac
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Transformers For Measuring Instruments (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78858869A | 1969-01-02 | 1969-01-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE743810A true BE743810A (cs) | 1970-05-28 |
Family
ID=25144942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE743810D BE743810A (cs) | 1969-01-02 | 1969-12-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3575677A (cs) |
| BE (1) | BE743810A (cs) |
| BR (1) | BR6915735D0 (cs) |
| ES (1) | ES374575A1 (cs) |
| FR (1) | FR2027669A1 (cs) |
| GB (1) | GB1281708A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0058547B1 (en) * | 1981-02-17 | 1984-12-19 | Auto-Masters Limited | Apparatus for cutting printing plates |
| DE19731170A1 (de) * | 1997-07-21 | 1999-01-28 | Kloeckner Moeller Gmbh | Stromwandler für Drehstromsysteme |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3037176A (en) * | 1959-12-30 | 1962-05-29 | Thorn Electrical Ind Ltd | Electrical inductors |
| US3323057A (en) * | 1966-05-02 | 1967-05-30 | Halmar Electronics | Hall generator current meter having extraneous field compensating apparatus |
-
1969
- 1969-01-02 US US788588A patent/US3575677A/en not_active Expired - Lifetime
- 1969-11-24 GB GB57378/69A patent/GB1281708A/en not_active Expired
- 1969-12-15 ES ES374575A patent/ES374575A1/es not_active Expired
- 1969-12-29 BE BE743810D patent/BE743810A/xx unknown
- 1969-12-30 BR BR215735/69A patent/BR6915735D0/pt unknown
- 1969-12-31 FR FR6945695A patent/FR2027669A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2027669A1 (cs) | 1970-10-02 |
| US3575677A (en) | 1971-04-20 |
| GB1281708A (en) | 1972-07-12 |
| ES374575A1 (es) | 1972-03-01 |
| BR6915735D0 (pt) | 1973-02-20 |