CH241543A - Schaltung zur Frequenz- oder Phasenmodulation von elektrischen Schwingungen. - Google Patents
Schaltung zur Frequenz- oder Phasenmodulation von elektrischen Schwingungen.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 (de) | 1946-03-15 |
Family
ID=19780577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH241543D CH241543A (de) | 1943-02-25 | 1944-02-23 | Schaltung zur Frequenz- oder Phasenmodulation von elektrischen Schwingungen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2582673A (en(2012)) |
BE (1) | BE454503A (en(2012)) |
CH (1) | CH241543A (en(2012)) |
DE (1) | DE864413C (en(2012)) |
FR (1) | FR902171A (en(2012)) |
GB (1) | GB625268A (en(2012)) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE872228C (de) * | 1951-09-18 | 1953-03-30 | Telefunken Gmbh | Schaltung zur Modulation von Hochfrequenzschwingungen |
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/de not_active Expired
- 1944-02-23 CH CH241543D patent/CH241543A/de unknown
- 1944-02-23 FR FR902171D patent/FR902171A/fr not_active Expired
-
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 (de) * | 1951-09-18 | 1953-03-30 | Telefunken Gmbh | Schaltung zur Modulation von Hochfrequenzschwingungen |
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 |
---|---|
GB625268A (en) | 1949-06-24 |
DE864413C (de) | 1953-01-26 |
FR902171A (fr) | 1945-08-21 |
US2582673A (en) | 1952-01-15 |
BE454503A (en(2012)) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH242963A (de) | Vorrichtung zur Phasenmodulation elektrischer Schwingungen. | |
CH248981A (de) | Schaltung zur Amplitudenmodulierung elektrischer Schwingungen. | |
FR901379A (fr) | Télégraphie par variations de fréquence | |
CH250224A (de) | Schaltungsanordnung zur Frequenzmodulation einer elektrischen Schwingung. | |
CH241543A (de) | Schaltung zur Frequenz- oder Phasenmodulation von elektrischen Schwingungen. | |
CH242260A (de) | Schaltung zur Phasenmodulation einer elektrischen Schwingung. | |
DK73580C (da) | Kobling til forstærkning af elektriske svingninger. | |
FR903247A (fr) | Circuit générateur d'oscillations électriques à haute fréquence | |
CH247881A (de) | Schaltungsanordnung zur Frequenzmodulation einer Trägerwelle. | |
CH246393A (de) | Schaltung zur Verringerung der bei der Übertragung von in der Frequenz oder Phase modulierten Schwingungen auftretenden Verzerrung. | |
AT168016B (de) | Schaltung zur Expansion von elektrischen Schwingungen | |
CH249517A (de) | Schaltung zur Übertragung von elektrischen Schwingungen hoher Frequenz. | |
DK72071C (da) | Kobling til frekvensmodulation af en elektrisk svingning. | |
AT169048B (de) | Schaltung zur Regelung der Eigenfrequenz eines Schwingungskreises | |
ES163148A1 (es) | Un montaje para la modulación en frecuencia de oscilaciones eléctricas | |
FR983000A (fr) | Circuit d'accord hyperfréquence | |
FI22352A (fi) | Koppling för frekvensmodulering av en önskad bärsvängning | |
AU125062B2 (en) | Frequency modulation | |
CA412484A (en) | Phase modulating circuit | |
AU119286B2 (en) | Frequency modulation detector circuit | |
AU119138B2 (en) | Frequency modulation receiver circuit | |
DK67942C (da) | Højfrekvensvariometer. | |
DK70847C (da) | Kobling til modulation af elektriske svingninger. | |
FR987977A (fr) | Perfectionnements à la réception d'oscillations électriques modulées en fréquence | |
DK63505C (da) | Modtagekobling til frekvensmodulerede Svingninger. |