BE382254A - - Google Patents
Info
- Publication number
- BE382254A BE382254A BE382254DA BE382254A BE 382254 A BE382254 A BE 382254A BE 382254D A BE382254D A BE 382254DA BE 382254 A BE382254 A BE 382254A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
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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
- H02M7/505—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 thyratron or thyristor type requiring extinguishing means
- H02M7/51—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 thyratron or thyristor type requiring extinguishing means using discharge tubes only
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- 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
-
- 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
- H03F3/40—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US478168A US2009788A (en) | 1930-08-27 | 1930-08-27 | Electric power converting apparatus |
US484627A US1874159A (en) | 1930-08-27 | 1930-09-26 | Electric amplifying circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
BE382254A true BE382254A (xx) |
Family
ID=27045809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE382254D BE382254A (xx) | 1930-08-27 |
Country Status (5)
Country | Link |
---|---|
US (1) | US1874159A (xx) |
BE (1) | BE382254A (xx) |
DE (1) | DE652724C (xx) |
FR (2) | FR723098A (xx) |
GB (3) | GB372202A (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441963A (en) * | 1940-02-03 | 1948-05-25 | Int Standard Electric Corp | Electric impulse signaling system |
US5249201A (en) * | 1991-02-01 | 1993-09-28 | Mst, Inc. | Transmission of multiple carrier signals in a nonlinear system |
-
0
- BE BE382254D patent/BE382254A/xx unknown
-
1930
- 1930-09-26 US US484627A patent/US1874159A/en not_active Expired - Lifetime
- 1930-12-17 DE DE1930652724D patent/DE652724C/de not_active Expired
-
1931
- 1931-08-24 FR FR723098D patent/FR723098A/fr not_active Expired
- 1931-08-26 GB GB24021/31A patent/GB372202A/en not_active Expired
- 1931-08-26 GB GB24022/31A patent/GB385019A/en not_active Expired
- 1931-09-25 FR FR40817D patent/FR40817E/fr not_active Expired
- 1931-09-25 GB GB26782/31A patent/GB389855A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB385019A (en) | 1932-12-22 |
GB389855A (en) | 1933-03-27 |
US1874159A (en) | 1932-08-30 |
FR723098A (fr) | 1932-04-02 |
FR40817E (fr) | 1932-09-07 |
DE652724C (de) | 1937-11-06 |
GB372202A (en) | 1932-05-05 |