BE450433A - - Google Patents
Info
- Publication number
- BE450433A BE450433A BE450433DA BE450433A BE 450433 A BE450433 A BE 450433A BE 450433D A BE450433D A BE 450433DA BE 450433 A BE450433 A BE 450433A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by AC
- H01H51/32—Frequency relays; Mechanically-tuned relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE894077X | 1942-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE450433A true BE450433A (en:Method) |
Family
ID=6846938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE450433D BE450433A (en:Method) | 1942-04-18 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE450433A (en:Method) |
| FR (1) | FR894077A (en:Method) |
-
0
- BE BE450433D patent/BE450433A/xx unknown
-
1943
- 1943-04-17 FR FR894077D patent/FR894077A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR894077A (fr) | 1944-12-13 |