NL31929C - - Google Patents
Info
- Publication number
- NL31929C NL31929C NL31929DA NL31929C NL 31929 C NL31929 C NL 31929C NL 31929D A NL31929D A NL 31929DA NL 31929 C NL31929 C NL 31929C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H61/00—Electrothermal relays
- H01H61/01—Details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/546—Delaying application of anode power supply with respect to application of filament heating power supply
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Thermally Actuated Switches (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL365880X | 1930-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31929C true NL31929C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19785473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31929D NL31929C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1930-04-12 |
Country Status (3)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2484112A (en) * | 1944-09-29 | 1949-10-11 | Metals & Controls Corp | Time-delay circuit controller |
| DE1102889B (de) * | 1957-01-14 | 1961-03-23 | Iawysia Elektrogeraetebau G M | Nullspannungsverriegelung fuer elektrische Regler, insbesondere Thermostaten an Geraeten mit hohem Stromverbrauch |
-
0
- NL NL31929D patent/NL31929C/xx active
-
1931
- 1931-03-26 DE DEN31808D patent/DE551786C/de not_active Expired
- 1931-03-30 GB GB9643/31A patent/GB365880A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE551786C (de) | 1932-06-06 |
| GB365880A (en) | 1932-01-28 |