NL57985C - - Google Patents
Info
- Publication number
- NL57985C NL57985C NL57985DA NL57985C NL 57985 C NL57985 C NL 57985C NL 57985D A NL57985D A NL 57985DA NL 57985 C NL57985 C NL 57985C
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL57985C true NL57985C (en) |
Family
ID=21972249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57985D NL57985C (en) | 1937-07-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE428896A (en) |
| FR (1) | FR840443A (en) |
| GB (1) | GB515940A (en) |
| NL (1) | NL57985C (en) |
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 (en) * | 1953-05-28 | 1963-05-16 | Telefunken Patent | Circuit of a feedback tube generator for frequency modulation with a large frequency deviation |
-
0
- BE BE428896D patent/BE428896A/xx unknown
- NL NL57985D patent/NL57985C/xx active
-
1938
- 1938-06-10 GB GB17323/38A patent/GB515940A/en not_active Expired
- 1938-07-07 FR FR840443D patent/FR840443A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB515940A (en) | 1939-12-19 |
| BE428896A (en) | |
| FR840443A (en) | 1939-04-25 |