BE477845A - - Google Patents
Info
- Publication number
- BE477845A BE477845A BE477845DA BE477845A BE 477845 A BE477845 A BE 477845A BE 477845D A BE477845D A BE 477845DA BE 477845 A BE477845 A BE 477845A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L5/00—Automatic control of voltage, current, or power
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/042—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant with reactance tube
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB460045A GB596916A (en) | 1945-02-23 | Improvements in or relating to thermionic valve oscillators | |
| GB14810/46A GB628553A (en) | 1945-02-23 | 1946-05-16 | Improvements in or relating to thermionic valve generators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477845A true BE477845A (es) |
Family
ID=32299652
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477845D BE477845A (es) | 1945-02-23 | ||
| BE476743D BE476743A (es) | 1945-02-23 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476743D BE476743A (es) | 1945-02-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US2562894A (es) |
| BE (2) | BE476743A (es) |
| CH (2) | CH261496A (es) |
| FR (3) | FR941835A (es) |
| GB (1) | GB628553A (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2598478A (en) * | 1948-02-05 | 1952-05-27 | Gen Electric | Degenerative feedback radio amplifying system |
| US2786180A (en) * | 1951-11-17 | 1957-03-19 | Sperry Rand Corp | Servo regulated microwave energy source |
| US2789162A (en) * | 1952-03-01 | 1957-04-16 | Gen Electric | Wave amplifying circuits |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2066333A (en) * | 1934-12-14 | 1937-01-05 | Bell Telephone Labor Inc | Wave amplification and generation |
| US2163403A (en) * | 1937-07-02 | 1939-06-20 | Bell Telephone Labor Inc | Stabilized oscillator |
| US2181909A (en) * | 1937-12-04 | 1939-12-05 | Bell Telephone Labor Inc | Negative impedance circuit |
| US2130272A (en) * | 1938-03-31 | 1938-09-13 | Gen Electric | Piezoelectric crystal oscillator |
| US2260545A (en) * | 1938-05-20 | 1941-10-28 | Gen Electric | Oscillation generation |
| US2226561A (en) * | 1938-10-22 | 1940-12-31 | Rca Corp | Electron discharge device utilizing negative transconductance |
| US2259945A (en) * | 1940-10-12 | 1941-10-21 | Bell Telephone Labor Inc | Transmission control |
| US2417805A (en) * | 1941-04-30 | 1947-03-25 | Int Standard Electric Corp | Electric oscillation generator and amplifier |
| US2341067A (en) * | 1941-06-14 | 1944-02-08 | Bell Telephone Labor Inc | Variable frequency bridge stabilized oscillator |
| US2396088A (en) * | 1941-11-26 | 1946-03-05 | Rca Corp | Negative transconductance device and circuit |
| US2407293A (en) * | 1944-07-26 | 1946-09-10 | Bell Telephone Labor Inc | Frequency modulation |
| US2439245A (en) * | 1945-06-02 | 1948-04-06 | Philco Corp | Resistance-capacitance type oscillator |
-
0
- BE BE477845D patent/BE477845A/xx unknown
- BE BE476743D patent/BE476743A/xx unknown
-
1946
- 1946-01-05 US US639292A patent/US2562894A/en not_active Expired - Lifetime
- 1946-03-14 CH CH261496D patent/CH261496A/de unknown
- 1946-03-29 FR FR941835D patent/FR941835A/fr not_active Expired
- 1946-05-16 GB GB14810/46A patent/GB628553A/en not_active Expired
-
1947
- 1947-05-16 CH CH266784D patent/CH266784A/de unknown
- 1947-06-19 US US755760A patent/US2627032A/en not_active Expired - Lifetime
- 1947-11-28 FR FR57841D patent/FR57841E/fr not_active Expired
- 1947-12-27 FR FR58502D patent/FR58502E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR58502E (fr) | 1954-01-27 |
| CH261496A (de) | 1949-05-15 |
| CH266784A (de) | 1950-02-15 |
| FR57841E (fr) | 1953-09-17 |
| US2627032A (en) | 1953-01-27 |
| FR941835A (fr) | 1949-01-21 |
| GB628553A (en) | 1949-08-31 |
| US2562894A (en) | 1951-08-07 |
| BE476743A (es) |