BE454499A - - Google Patents
Info
- Publication number
- BE454499A BE454499A BE454499DA BE454499A BE 454499 A BE454499 A BE 454499A BE 454499D A BE454499D A BE 454499DA BE 454499 A BE454499 A BE 454499A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/06—Means for changing frequency deviation
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- 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
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
-
- 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
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR54608T | 1942-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454499A true BE454499A (en:Method) |
Family
ID=8689049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454499D BE454499A (en:Method) | 1942-07-04 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE454499A (en:Method) |
| FR (2) | FR54608E (en:Method) |
-
0
- BE BE454499D patent/BE454499A/xx unknown
- FR FR960673D patent/FR960673A/fr not_active Expired
-
1942
- 1942-07-04 FR FR54608D patent/FR54608E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR960673A (en:Method) | 1950-04-22 |
| FR54608E (fr) | 1950-07-07 |