BE485428A - - Google Patents
Info
- Publication number
- BE485428A BE485428A BE485428DA BE485428A BE 485428 A BE485428 A BE 485428A BE 485428D A BE485428D A BE 485428DA BE 485428 A BE485428 A BE 485428A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
-
- 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
- H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL135580 | 1947-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE485428A true BE485428A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19750432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE485428D BE485428A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1947-10-24 |
Country Status (8)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1199596B (de) * | 1961-03-03 | 1965-08-26 | Riegg & Co G M B H | Schwingungsgenerator fuer elektronische Musikinstrumente |
| DE1283927B (de) * | 1966-09-15 | 1968-11-28 | Standard Elektrik Lorenz Ag | Frequenzmodulierbarer Oszillator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2250526A (en) * | 1937-03-02 | 1941-07-29 | Telefunken Gmbh | Oscillator control circuit |
| US2361731A (en) * | 1940-12-12 | 1944-10-31 | Patents Res Corp | Reactance system |
| US2321354A (en) * | 1941-03-25 | 1943-06-08 | Radio Patents Corp | Electrical apparatus |
| US2305262A (en) * | 1941-06-30 | 1942-12-15 | Edward H Lange | Method and means for normalizing thermionic oscillators |
| US2378245A (en) * | 1942-03-17 | 1945-06-12 | Radio Patents Corp | Variable frequency oscillator |
-
0
- BE BE485428D patent/BE485428A/xx unknown
- NL NL70313D patent/NL70313C/xx active
-
1948
- 1948-10-19 US US55262A patent/US2557188A/en not_active Expired - Lifetime
- 1948-10-21 FR FR973903D patent/FR973903A/fr not_active Expired
- 1948-10-21 GB GB27356/48A patent/GB651945A/en not_active Expired
- 1948-10-21 ES ES0185661A patent/ES185661A1/es not_active Expired
- 1948-10-22 CH CH268708D patent/CH268708A/de unknown
- 1948-12-24 DE DEP26487D patent/DE809820C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB651945A (en) | 1951-04-11 |
| FR973903A (fr) | 1951-02-16 |
| ES185661A1 (es) | 1949-04-01 |
| DE809820C (de) | 1951-08-02 |
| NL70313C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| CH268708A (de) | 1950-05-31 |
| US2557188A (en) | 1951-06-19 |