BE477900A - - Google Patents
Info
- Publication number
- BE477900A BE477900A BE477900DA BE477900A BE 477900 A BE477900 A BE 477900A BE 477900D A BE477900D A BE 477900DA BE 477900 A BE477900 A BE 477900A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/06—Means for changing frequency deviation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US440172A US2347458A (en) | 1942-04-23 | 1942-04-23 | Frequency modulation system |
| US444843A US2347459A (en) | 1942-04-23 | 1942-05-28 | Frequency modulation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477900A true BE477900A (en) |
Family
ID=27032333
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477900D BE477900A (en) | 1942-04-23 | ||
| BE466324D BE466324A (en) | 1942-04-23 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE466324D BE466324A (en) | 1942-04-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2347459A (en) |
| BE (2) | BE466324A (en) |
| FR (2) | FR926719A (en) |
| GB (2) | GB562432A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2551348A (en) * | 1945-03-28 | 1951-05-01 | Philco Corp | Electrical apparatus |
| US2460965A (en) * | 1945-09-10 | 1949-02-08 | Zenith Radio Corp | Phase modulation system |
| US2645710A (en) * | 1948-03-12 | 1953-07-14 | Hartz Julius | Radio transmission and carrier wave modulation |
| US2590784A (en) * | 1948-11-26 | 1952-03-25 | Philco Corp | Heterodyne frequency modulator with automatic deviation control |
| US2659813A (en) * | 1950-02-11 | 1953-11-17 | Bell Telephone Labor Inc | Frequency modulation repeater |
-
0
- BE BE477900D patent/BE477900A/xx unknown
- BE BE466324D patent/BE466324A/xx unknown
-
1942
- 1942-05-28 US US444843A patent/US2347459A/en not_active Expired - Lifetime
-
1943
- 1943-04-19 GB GB6244/43A patent/GB562432A/en not_active Expired
- 1943-05-28 GB GB8573/43A patent/GB564045A/en not_active Expired
-
1946
- 1946-05-09 FR FR926719D patent/FR926719A/en not_active Expired
- 1946-10-15 FR FR55048D patent/FR55048E/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2347459A (en) | 1944-04-25 |
| FR55048E (en) | 1951-06-05 |
| BE466324A (en) | |
| GB564045A (en) | 1944-09-11 |
| GB562432A (en) | 1944-06-30 |
| FR926719A (en) | 1947-10-09 |