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
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH241543A publication Critical patent/CH241543A/en

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
CH241543D 1943-02-25 1944-02-23 Circuit for frequency or phase modulation of electrical oscillations. CH241543A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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
GB625268A (en) 1949-06-24
US2582673A (en) 1952-01-15
DE864413C (en) 1953-01-26
BE454503A (en)
FR902171A (en) 1945-08-21

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