CH269002A - Emetteur radioélectrique modulé en fréquence. - Google Patents

Emetteur radioélectrique modulé en fréquence.

Info

Publication number
CH269002A
CH269002A CH269002DA CH269002A CH 269002 A CH269002 A CH 269002A CH 269002D A CH269002D A CH 269002DA CH 269002 A CH269002 A CH 269002A
Authority
CH
Switzerland
Prior art keywords
radio transmitter
frequency modulated
modulated radio
frequency
transmitter
Prior art date
Application number
Other languages
English (en)
Inventor
Limited Marconi S Wire Company
Original Assignee
Marconi Wireless Telegraph Co
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 Marconi Wireless Telegraph Co filed Critical Marconi Wireless Telegraph Co
Publication of CH269002A publication Critical patent/CH269002A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
    • H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
    • 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
CH269002D 1946-04-15 1947-05-13 Emetteur radioélectrique modulé en fréquence. CH269002A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB269002X 1946-04-15

Publications (1)

Publication Number Publication Date
CH269002A true CH269002A (fr) 1950-06-15

Family

ID=10250965

Family Applications (1)

Application Number Title Priority Date Filing Date
CH269002D CH269002A (fr) 1946-04-15 1947-05-13 Emetteur radioélectrique modulé en fréquence.

Country Status (4)

Country Link
US (1) US2502557A (fr)
CH (1) CH269002A (fr)
DE (2) DE831271C (fr)
GB (1) GB610951A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2710378A (en) * 1951-04-28 1955-06-07 Motorola Inc Frequency modulation system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE372742C (de) * 1921-03-03 1923-04-03 Robert Pfaeffle Verfahren zur Herstellung von Schmuckgegenstaenden
US2278658A (en) * 1939-12-06 1942-04-07 Rca Corp Frequency modulation
US2335278A (en) * 1940-12-12 1943-11-30 Press Wireless Inc Keying control method and system
US2321269A (en) * 1941-11-21 1943-06-08 Rca Corp Frequency modulation

Also Published As

Publication number Publication date
GB610951A (en) 1948-10-22
DE839814C (de) 1952-05-26
US2502557A (en) 1950-04-04
DE831271C (de) 1952-02-11

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