BE477722A - - Google Patents
Info
- Publication number
- BE477722A BE477722A BE477722DA BE477722A BE 477722 A BE477722 A BE 477722A BE 477722D A BE477722D A BE 477722DA BE 477722 A BE477722 A BE 477722A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR869086X | 1939-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477722A true BE477722A (es) |
Family
ID=9346321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477722D BE477722A (es) | 1939-11-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE477722A (es) |
| DE (1) | DE869086C (es) |
| FR (1) | FR863978A (es) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2047312A (en) * | 1926-12-01 | 1936-07-14 | American Telephone & Telegraph | Signaling system |
| NL31724C (es) * | 1932-03-17 | |||
| DE627754C (de) * | 1932-07-13 | 1937-01-19 | Telefunken Gmbh | Veraenderlicher Scheinwiderstand |
| FR805703A (fr) * | 1935-05-03 | 1936-11-27 | Rca Corp | Système de contrôle automatique de la fréquence pour récepteur superhétérodyne |
-
0
- BE BE477722D patent/BE477722A/xx unknown
-
1939
- 1939-11-03 FR FR863978D patent/FR863978A/fr not_active Expired
-
1941
- 1941-03-22 DE DEI2900D patent/DE869086C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE869086C (de) | 1957-07-11 |
| FR863978A (fr) | 1941-04-15 |