BE633275A - - Google Patents
Info
- Publication number
- BE633275A BE633275A BE633275DA BE633275A BE 633275 A BE633275 A BE 633275A BE 633275D A BE633275D A BE 633275DA BE 633275 A BE633275 A BE 633275A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1347963A CH474903A (de) | 1962-06-06 | 1963-11-02 | Stromwendeschaltung |
Publications (1)
Publication Number | Publication Date |
---|---|
BE633275A true BE633275A (pt) |
Family
ID=4392796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE633275D BE633275A (pt) | 1963-11-02 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3379898A (pt) |
BE (1) | BE633275A (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3593177A (en) * | 1968-01-19 | 1971-07-13 | Honeywell Inc | Input switching circuit |
US3593178A (en) * | 1968-01-19 | 1971-07-13 | Honeywell Inc | Input switching circuit |
GB1246548A (en) * | 1969-03-18 | 1971-09-15 | Avimo Ltd | An electronic relay |
JPS5780573A (en) * | 1980-11-07 | 1982-05-20 | Mitsubishi Electric Corp | Tester for relay |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2728856A (en) * | 1952-05-22 | 1955-12-27 | Hughes Aircraft Co | Bi-frequency electronic oscillator networks |
BE537131A (pt) * | 1954-04-06 | |||
CA617972A (en) * | 1954-06-21 | 1961-04-11 | Westinghouse Electric Corporation | Electronic switch device |
US2938174A (en) * | 1955-09-14 | 1960-05-24 | Honeywell Regulator Co | Condition responsive apparatus |
US3089963A (en) * | 1958-10-06 | 1963-05-14 | Epsco Inc | Converging channel gating system comprising double transistor series and shunt switches |
US3263150A (en) * | 1961-04-21 | 1966-07-26 | Gen Electric | Control arrangement for static inverters |
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0
- BE BE633275D patent/BE633275A/xx unknown
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1964
- 1964-10-28 US US407182A patent/US3379898A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3379898A (en) | 1968-04-23 |