FR747673A - Electric relays - Google Patents
Electric relaysInfo
- Publication number
- FR747673A FR747673A FR747673DA FR747673A FR 747673 A FR747673 A FR 747673A FR 747673D A FR747673D A FR 747673DA FR 747673 A FR747673 A FR 747673A
- Authority
- FR
- France
- Prior art keywords
- electric relays
- relays
- electric
- Prior art date
- 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
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE747673X | 1931-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR747673A true FR747673A (en) | 1933-06-22 |
Family
ID=6648686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR747673D Expired FR747673A (en) | 1931-12-18 | 1932-12-17 | Electric relays |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR747673A (en) |
-
1932
- 1932-12-17 FR FR747673D patent/FR747673A/en not_active Expired
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