BE454503A - - Google Patents
Info
- Publication number
- BE454503A BE454503A BE454503DA BE454503A BE 454503 A BE454503 A BE 454503A BE 454503D A BE454503D A BE 454503DA BE 454503 A BE454503 A BE 454503A
- 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 |
|---|---|---|---|
| NL241543X | 1943-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454503A true BE454503A (https=) |
Family
ID=19780577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454503D BE454503A (https=) | 1943-02-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2582673A (https=) |
| BE (1) | BE454503A (https=) |
| CH (1) | CH241543A (https=) |
| DE (1) | DE864413C (https=) |
| FR (1) | FR902171A (https=) |
| GB (1) | GB625268A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB687783A (en) * | 1950-04-15 | 1953-02-18 | Emi Ltd | Improvements relating to circuit arrangements for modulating carrier frequency signals |
| DE872228C (de) * | 1951-09-18 | 1953-03-30 | Telefunken Gmbh | Schaltung zur Modulation von Hochfrequenzschwingungen |
| US2858436A (en) * | 1953-12-14 | 1958-10-28 | Gen Electric | Automatic frequency control system |
| JPS6042393Y2 (ja) * | 1980-01-24 | 1985-12-26 | シチズン時計株式会社 | クオ−ツ腕時計の防水リユウズ装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2279660A (en) * | 1937-04-13 | 1942-04-14 | Rca Corp | Wave length modulation system |
| US2323598A (en) * | 1941-01-07 | 1943-07-06 | Rca Corp | Variable signal response network |
| US2361658A (en) * | 1942-10-26 | 1944-10-31 | Rca Corp | Sound recording and reproducing system |
| US2394427A (en) * | 1942-11-09 | 1946-02-05 | Rca Corp | Wave length modulation |
| US2383848A (en) * | 1943-02-25 | 1945-08-28 | Rca Corp | Reactance control circuit |
| US2382436A (en) * | 1943-08-18 | 1945-08-14 | Bell Telephone Labor Inc | Reactance tube circuit |
-
0
- BE BE454503D patent/BE454503A/xx unknown
-
1944
- 1944-02-22 DE DEN24455A patent/DE864413C/de not_active Expired
- 1944-02-23 FR FR902171D patent/FR902171A/fr not_active Expired
- 1944-02-23 CH CH241543D patent/CH241543A/de unknown
-
1946
- 1946-07-15 US US683696A patent/US2582673A/en not_active Expired - Lifetime
- 1946-07-18 GB GB21540/46A patent/GB625268A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH241543A (de) | 1946-03-15 |
| FR902171A (fr) | 1945-08-21 |
| US2582673A (en) | 1952-01-15 |
| DE864413C (de) | 1953-01-26 |
| GB625268A (en) | 1949-06-24 |