NL37157C - - Google Patents
Info
- Publication number
- NL37157C NL37157C NL37157DA NL37157C NL 37157 C NL37157 C NL 37157C NL 37157D A NL37157D A NL 37157DA NL 37157 C NL37157 C NL 37157C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is AC
- G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices
- G05F1/42—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices discharge tubes only
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/04—Regulating voltage or current wherein the variable is AC
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US442239A US1954784A (en) | 1930-04-07 | 1930-04-07 | Automatic voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL37157C true NL37157C (en(2012)) |
Family
ID=23756061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37157D NL37157C (en(2012)) | 1930-04-07 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1954784A (en(2012)) |
| NL (1) | NL37157C (en(2012)) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2620459A (en) * | 1945-10-30 | 1952-12-02 | Sylvania Electric Prod | Discharge lamp circuit |
| US2504548A (en) * | 1945-11-28 | 1950-04-18 | Gen Electric | Starting and operating circuit for electric discharge devices |
| US2443189A (en) * | 1946-02-07 | 1948-06-15 | Kenneth D Jenkins | Magnetron filament temperature regulator |
| GB776188A (en) * | 1954-11-19 | 1957-06-05 | Philips Electrical Ind Ltd | Improvements in a.c. mains-operated high-gain low frequency electronic amplifiers |
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0
- NL NL37157D patent/NL37157C/xx active
-
1930
- 1930-04-07 US US442239A patent/US1954784A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1954784A (en) | 1934-04-17 |