BE677815A - - Google Patents
Info
- Publication number
- BE677815A BE677815A BE677815DA BE677815A BE 677815 A BE677815 A BE 677815A BE 677815D A BE677815D A BE 677815DA BE 677815 A BE677815 A BE 677815A
- 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
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- 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
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
-
- 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
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
- Details Of Television Scanning (AREA)
- Circuits Of Receivers In General (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB11192/65A GB1077362A (en) | 1965-03-16 | 1965-03-16 | Improvements in or relating to low frequency amplifier circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE677815A true BE677815A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-09-14 |
Family
ID=9981710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE677815D BE677815A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-03-16 | 1966-03-14 |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0016687A3 (en) * | 1979-03-26 | 1980-10-15 | Francois Kneider | Variable gain amplifier and device comprising it for the animation of illuminated signs |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4737735A (en) * | 1986-07-25 | 1988-04-12 | Kampes Donald P | Phantom powered amplifier |
| EP1801089B1 (en) * | 2004-10-05 | 2012-12-26 | Sumitomo Chemical Company, Limited | Method for producing hydroxy compound |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE945254C (de) * | 1954-08-21 | 1956-07-05 | Leitz Ernst Gmbh | Schaltung mit Elektronenroehren als Wechselspannungsverstaerker und als Gleichspannungsstabilisator |
| DE1049962B (de) * | 1956-10-31 | 1959-02-05 | Siemens-Schuckertwerke Aktiengesellschaft, Berlin Und Erlangen | Stromversorgungsanlage mit geregelter Speisung des Verbrauchers |
| US3305767A (en) * | 1963-09-10 | 1967-02-21 | North American Aviation Inc | Voltage regulator |
| US3365672A (en) * | 1964-09-22 | 1968-01-23 | Westinghouse Electric Corp | Common base power amplifier |
-
1965
- 1965-03-16 GB GB11192/65A patent/GB1077362A/en not_active Expired
-
1966
- 1966-03-12 DK DK129766AA patent/DK118348B/da unknown
- 1966-03-14 BE BE677815D patent/BE677815A/xx unknown
- 1966-03-14 AT AT240866A patent/AT273303B/de active
- 1966-03-15 US US534307A patent/US3449679A/en not_active Expired - Lifetime
- 1966-03-15 FR FR53477A patent/FR1482063A/fr not_active Expired
- 1966-03-15 JP JP1565066A patent/JPS4530635B1/ja active Pending
- 1966-03-15 DE DEN28207A patent/DE1291802B/de active Pending
- 1966-03-15 NL NL6603321A patent/NL6603321A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0016687A3 (en) * | 1979-03-26 | 1980-10-15 | Francois Kneider | Variable gain amplifier and device comprising it for the animation of illuminated signs |
| FR2452824A1 (fr) * | 1979-03-26 | 1980-10-24 | Kneider Francois | Amplificateur a gain variable et dispositif d'animation d'enseigne lumineuse en comportant application |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1482063A (fr) | 1967-05-26 |
| DK118348B (da) | 1970-08-10 |
| JPS4530635B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-10-03 |
| AT273303B (de) | 1969-08-11 |
| NL6603321A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-09-19 |
| DE1291802B (de) | 1969-04-03 |
| GB1077362A (en) | 1967-07-26 |
| US3449679A (en) | 1969-06-10 |