CH241543A - Circuit for frequency or phase modulation of electrical oscillations. - Google Patents
Circuit for frequency or phase modulation of electrical oscillations.Info
- Publication number
- CH241543A CH241543A CH241543DA CH241543A CH 241543 A CH241543 A CH 241543A CH 241543D A CH241543D A CH 241543DA CH 241543 A CH241543 A CH 241543A
- Authority
- CH
- Switzerland
- Prior art keywords
- frequency
- circuit
- phase modulation
- electrical oscillations
- oscillations
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 title 1
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 |
---|---|
CH241543A true CH241543A (en) | 1946-03-15 |
Family
ID=19780577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH241543D CH241543A (en) | 1943-02-25 | 1944-02-23 | Circuit for frequency or phase modulation of electrical oscillations. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2582673A (en) |
BE (1) | BE454503A (en) |
CH (1) | CH241543A (en) |
DE (1) | DE864413C (en) |
FR (1) | FR902171A (en) |
GB (1) | GB625268A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE872228C (en) * | 1951-09-18 | 1953-03-30 | Telefunken Gmbh | Circuit for modulating high frequency vibrations |
US4313187A (en) * | 1980-01-24 | 1982-01-26 | Citizen Watch Co., Ltd. | Water resisting crown structure for electronic wristwatches |
Families Citing this family (2)
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 |
US2858436A (en) * | 1953-12-14 | 1958-10-28 | Gen Electric | Automatic frequency control system |
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/en not_active Expired
- 1944-02-23 FR FR902171D patent/FR902171A/en not_active Expired
- 1944-02-23 CH CH241543D patent/CH241543A/en 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
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE872228C (en) * | 1951-09-18 | 1953-03-30 | Telefunken Gmbh | Circuit for modulating high frequency vibrations |
US4313187A (en) * | 1980-01-24 | 1982-01-26 | Citizen Watch Co., Ltd. | Water resisting crown structure for electronic wristwatches |
Also Published As
Publication number | Publication date |
---|---|
FR902171A (en) | 1945-08-21 |
GB625268A (en) | 1949-06-24 |
BE454503A (en) | |
US2582673A (en) | 1952-01-15 |
DE864413C (en) | 1953-01-26 |
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