BE544159A - - Google Patents
Info
- Publication number
- BE544159A BE544159A BE544159DA BE544159A BE 544159 A BE544159 A BE 544159A BE 544159D A BE544159D A BE 544159DA BE 544159 A BE544159 A BE 544159A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Prostheses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2068154A GB782171A (en) | 1954-07-15 | 1954-07-15 | Improvements in and relating to electro-magnetic vibrators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE544159A true BE544159A (cs) |
Family
ID=10149906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE544159D BE544159A (cs) | 1954-07-15 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE544159A (cs) |
| FR (1) | FR1142425A (cs) |
| GB (1) | GB782171A (cs) |
-
0
- BE BE544159D patent/BE544159A/xx unknown
-
1954
- 1954-07-15 GB GB2068154A patent/GB782171A/en not_active Expired
-
1955
- 1955-12-01 FR FR1142425D patent/FR1142425A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB782171A (en) | 1957-09-04 |
| FR1142425A (fr) | 1957-09-18 |