FR778599A - - Google Patents
Info
- Publication number
- FR778599A FR778599A FR778599DA FR778599A FR 778599 A FR778599 A FR 778599A FR 778599D A FR778599D A FR 778599DA FR 778599 A FR778599 A FR 778599A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/001—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of incorrect or interrupted earth connection
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2865033A GB427183A (en) | 1933-10-17 | 1933-10-17 | Improvements in or relating to earth-leakage protective arrangements for electric apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR778599A true FR778599A (en) | 1935-03-15 |
Family
ID=10278942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR778599D Expired FR778599A (en) | 1933-10-17 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE635460C (en) |
| FR (1) | FR778599A (en) |
| GB (1) | GB427183A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2554598A (en) * | 1946-10-08 | 1951-05-29 | Western Electric Co | Safety system for portable electrical apparatus |
| DE1003841B (en) * | 1955-09-17 | 1957-03-07 | Ernst Goymann | Circuit breaker with locking and double control |
| DE1029078B (en) * | 1956-07-30 | 1958-04-30 | Siemens Ag | Contact protection circuit for an electrical device with a housing made of metal |
| US2917673A (en) * | 1957-01-07 | 1959-12-15 | Alfred E Pickard | Ground fault detector |
| US3005932A (en) * | 1958-07-03 | 1961-10-24 | Eustace C Soares | Protective circuits |
| GB880238A (en) * | 1958-12-16 | 1961-10-18 | Michael Cornelius Gerrard | Protective arrangements for electric circuits and apparatus |
| US3426342A (en) * | 1966-05-23 | 1969-02-04 | Physio Control Corp | Ground absence detector and protective device |
-
0
- FR FR778599D patent/FR778599A/fr not_active Expired
-
1933
- 1933-10-17 GB GB2865033A patent/GB427183A/en not_active Expired
-
1934
- 1934-10-06 DE DER91572D patent/DE635460C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB427183A (en) | 1935-04-17 |
| DE635460C (en) | 1936-09-17 |