BE431639A - - Google Patents
Info
- Publication number
- BE431639A BE431639A BE431639DA BE431639A BE 431639 A BE431639 A BE 431639A BE 431639D A BE431639D A BE 431639DA BE 431639 A BE431639 A BE 431639A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/02—Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters
- H02M1/04—Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters for tubes with grid control
- H02M1/042—Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters for tubes with grid control wherein the phase of the control voltage is adjustable with reference to the AC voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/02—Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ac-Ac Conversion (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US179710A US2229449A (en) | 1937-12-14 | 1937-12-14 | Phase shifting circuit |
| US340758A US2229450A (en) | 1937-12-14 | 1940-06-15 | Phase shifting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431639A true BE431639A (US20020095090A1-20020718-M00002.png) | 1939-01-31 |
Family
ID=26875583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431639D BE431639A (US20020095090A1-20020718-M00002.png) | 1937-12-14 | 1938-12-14 |
Country Status (4)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2483403A (en) * | 1943-04-24 | 1949-10-04 | Standard Telephones Cables Ltd | Phase shifter |
| US2462913A (en) * | 1943-08-18 | 1949-03-01 | Edward M Sorensen | Electrical control |
| US2525425A (en) * | 1944-05-15 | 1950-10-10 | Hartford Nat Bank & Trust Co | Phase shifting bridge |
| US2575792A (en) * | 1944-08-26 | 1951-11-20 | Bullard Co | Control mechanism |
| US2529117A (en) * | 1945-08-30 | 1950-11-07 | Philco Corp | Electrical phase shift system |
| US2483125A (en) * | 1946-06-13 | 1949-09-27 | Us Navy | Phase shifting potentiometer |
| US2523167A (en) * | 1946-09-13 | 1950-09-19 | Weltronic Co | Phase control system |
| US2641697A (en) * | 1950-01-18 | 1953-06-09 | Electric Controller & Mfg Co | Electronic limit control circuit |
| US2701875A (en) * | 1952-06-16 | 1955-02-08 | Otto J Baltzer | Resistance type of phase shifter |
| US2717942A (en) * | 1952-06-16 | 1955-09-13 | William J Andrews | Voltage divider |
| US3404327A (en) * | 1958-12-16 | 1968-10-01 | Gen Electric | Conversion systems comprising scr's with gate control arrangements |
| US3056921A (en) * | 1959-02-17 | 1962-10-02 | Ryan Aeronautical Co | Variable frequency passive phase shifter |
| GB924554A (en) * | 1959-04-21 | 1963-04-24 | Vectrol Engineering Inc | Improvements in or relating to electrical control systems |
| US3108219A (en) * | 1959-11-18 | 1963-10-22 | Bendix Corp | Phase shifting bridge apparatus |
| US3302100A (en) * | 1964-07-06 | 1967-01-31 | Bell Telephone Labor Inc | Continuously variable phase shifter using a passive network terminated in an active impedance transforming device |
-
1937
- 1937-12-14 US US179710A patent/US2229449A/en not_active Expired - Lifetime
-
1938
- 1938-12-13 FR FR847499D patent/FR847499A/fr not_active Expired
- 1938-12-14 BE BE431639D patent/BE431639A/xx unknown
- 1938-12-14 GB GB36465/38A patent/GB524925A/en not_active Expired
-
1940
- 1940-06-15 US US340758A patent/US2229450A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR847499A (fr) | 1939-10-10 |
| GB524925A (en) | 1940-08-19 |
| US2229450A (en) | 1941-01-21 |
| US2229449A (en) | 1941-01-21 |
