BE455284A - - Google Patents
Info
- Publication number
- BE455284A BE455284A BE455284DA BE455284A BE 455284 A BE455284 A BE 455284A BE 455284D A BE455284D A BE 455284DA BE 455284 A BE455284 A BE 455284A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
- H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL903354X | 1943-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455284A true BE455284A (zh) |
Family
ID=19858478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455284D BE455284A (zh) | 1943-04-15 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE455284A (zh) |
| FR (1) | FR903354A (zh) |
-
0
- BE BE455284D patent/BE455284A/xx unknown
-
1944
- 1944-04-13 FR FR903354D patent/FR903354A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR903354A (fr) | 1945-10-01 |