BE428896A - - Google Patents
Info
- Publication number
- BE428896A BE428896A BE428896DA BE428896A BE 428896 A BE428896 A BE 428896A BE 428896D A BE428896D A BE 428896DA BE 428896 A BE428896 A BE 428896A
- 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 |
|---|---|---|---|
| US515940XA | 1937-07-09 | 1937-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428896A true BE428896A (en:Method) |
Family
ID=21972249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428896D BE428896A (en:Method) | 1937-07-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE428896A (en:Method) |
| FR (1) | FR840443A (en:Method) |
| GB (1) | GB515940A (en:Method) |
| NL (1) | NL57985C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2218524A (en) * | 1940-02-20 | 1940-10-22 | Bell Telephone Labor Inc | Frequency modulation system |
| DE976238C (de) * | 1953-05-28 | 1963-05-16 | Telefunken Patent | Schaltung eines rueckgekoppelten Roehrengenerators zur Frequenzmodulation mit grossem Frequenzhub |
-
0
- NL NL57985D patent/NL57985C/xx active
- BE BE428896D patent/BE428896A/xx unknown
-
1938
- 1938-06-10 GB GB17323/38A patent/GB515940A/en not_active Expired
- 1938-07-07 FR FR840443D patent/FR840443A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB515940A (en) | 1939-12-19 |
| NL57985C (en:Method) | |
| FR840443A (fr) | 1939-04-25 |