BE447759A - - Google Patents
Info
- Publication number
- BE447759A BE447759A BE447759DA BE447759A BE 447759 A BE447759 A BE 447759A BE 447759D A BE447759D A BE 447759DA BE 447759 A BE447759 A BE 447759A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/18—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for introducing delay in the operation of the relay
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/288—Modifications for introducing a time delay before switching in tube switches
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL270667X | 1941-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447759A true BE447759A (en) |
Family
ID=19781916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447759D BE447759A (en) | 1941-10-29 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE447759A (en) |
| CH (1) | CH270667A (en) |
| FR (1) | FR887258A (en) |
| NL (1) | NL64973C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4571656A (en) * | 1984-01-13 | 1986-02-18 | Dynatech Computer Power, Inc. | Electrical circuit for protection against surge overvoltage of transients |
-
0
- BE BE447759D patent/BE447759A/xx unknown
- NL NL64973D patent/NL64973C/xx active
-
1942
- 1942-10-27 CH CH270667D patent/CH270667A/en unknown
- 1942-10-27 FR FR887258D patent/FR887258A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL64973C (en) | |
| FR887258A (en) | 1943-11-09 |
| CH270667A (en) | 1950-09-15 |