BE447722A - - Google Patents
Info
- Publication number
- BE447722A BE447722A BE447722DA BE447722A BE 447722 A BE447722 A BE 447722A BE 447722D A BE447722D A BE 447722DA BE 447722 A BE447722 A BE 447722A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
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- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE887558X | 1941-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447722A true BE447722A (https=) |
Family
ID=6833856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447722D BE447722A (https=) | 1941-12-04 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE447722A (https=) |
| FR (1) | FR887558A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1005573B (de) * | 1955-08-31 | 1957-04-04 | Siemens Ag | Schaltungsanordnung zur Verminderung der AEnderungen der Mittenfrequenz eines Roehrengenerators |
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0
- BE BE447722D patent/BE447722A/xx unknown
-
1942
- 1942-11-06 FR FR887558D patent/FR887558A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR887558A (fr) | 1943-11-17 |