FR744648A - - Google Patents
Info
- Publication number
- FR744648A FR744648A FR744648DA FR744648A FR 744648 A FR744648 A FR 744648A FR 744648D A FR744648D A FR 744648DA FR 744648 A FR744648 A FR 744648A
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR642065X | 1932-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744648A true FR744648A (fr) | 1933-04-21 |
Family
ID=8998593
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744648D Expired FR744648A (fr) | 1932-01-07 | ||
| FR48710D Expired FR48710E (fr) | 1932-01-07 | 1937-02-03 | Relais direct à maximum d'intensité |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR48710D Expired FR48710E (fr) | 1932-01-07 | 1937-02-03 | Relais direct à maximum d'intensité |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE426037A (fr) |
| DE (1) | DE642065C (fr) |
| FR (2) | FR48710E (fr) |
-
0
- BE BE393501D patent/BE393501A/xx unknown
- FR FR744648D patent/FR744648A/fr not_active Expired
- BE BE426037D patent/BE426037A/xx unknown
-
1933
- 1933-01-08 DE DEF74811D patent/DE642065C/de not_active Expired
-
1937
- 1937-02-03 FR FR48710D patent/FR48710E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR48710E (fr) | 1938-06-21 |
| BE393501A (fr) | |
| BE426037A (fr) | |
| DE642065C (de) | 1937-02-24 |