CH270713A - Dispositif émetteur de courant modulé en fréquence. - Google Patents

Dispositif émetteur de courant modulé en fréquence.

Info

Publication number
CH270713A
CH270713A CH270713DA CH270713A CH 270713 A CH270713 A CH 270713A CH 270713D A CH270713D A CH 270713DA CH 270713 A CH270713 A CH 270713A
Authority
CH
Switzerland
Prior art keywords
frequency modulated
transmitter device
modulated current
current transmitter
frequency
Prior art date
Application number
Other languages
English (en)
Inventor
Telephones Compagnie Indus Des
Original Assignee
Cie Ind Telephones
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 Cie Ind Telephones filed Critical Cie Ind Telephones
Publication of CH270713A publication Critical patent/CH270713A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Amplitude Modulation (AREA)
  • Particle Accelerators (AREA)
  • Ac-Ac Conversion (AREA)
  • Microwave Amplifiers (AREA)
  • Transmitters (AREA)
CH270713D 1947-02-20 1948-03-10 Dispositif émetteur de courant modulé en fréquence. CH270713A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR855417X 1947-02-20
FR2558214X 1948-02-25

Publications (1)

Publication Number Publication Date
CH270713A true CH270713A (fr) 1950-09-15

Family

ID=32232282

Family Applications (2)

Application Number Title Priority Date Filing Date
CH270713D CH270713A (fr) 1947-02-20 1948-03-10 Dispositif émetteur de courant modulé en fréquence.
CH276572D CH276572A (fr) 1947-02-20 1948-12-13 Dispositif générateur d'oscillations modulées en fréquence.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH276572D CH276572A (fr) 1947-02-20 1948-12-13 Dispositif générateur d'oscillations modulées en fréquence.

Country Status (7)

Country Link
US (2) US2519836A (fr)
BE (2) BE483758A (fr)
CH (2) CH270713A (fr)
DE (1) DE855417C (fr)
FR (3) FR1003746A (fr)
GB (2) GB652473A (fr)
NL (2) NL66962C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682035A (en) * 1950-10-26 1954-06-22 Collins Radio Co Linear frequency shift keying circuit
BE509657A (fr) * 1951-03-03
BE525820A (fr) * 1953-01-19
DE968134C (de) * 1953-04-05 1958-01-16 Automatic Elect Lab Schaltungsanordnung zur Erzeugung mehrerer Frequenzen fuer Vielkanaltelegrafie
US2835802A (en) * 1953-10-12 1958-05-20 James R Day Linear frequency modulation detector
GB863585A (en) * 1957-10-21 1961-03-22 Gen Electric Co Ltd Improvements in or relating to tunable discriminator circuits
US3002159A (en) * 1957-12-30 1961-09-26 Daystrom Inc Oscillator
US2962670A (en) * 1958-05-02 1960-11-29 Electronic Eng Co Modulatable transistor oscillator
DE1271781B (de) * 1964-04-23 1968-07-04 Siemens Ag Schaltung zur Winkelmodulation einer elektrischen Schwingung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE691878C (de) * 1933-07-08 1940-06-07 Rca Corp Anordnung zur Umwandlung frequenz- oder phasenmodulierter Schwingungen
US2087429A (en) * 1935-06-06 1937-07-20 Rca Corp Phase and frequency modulation wave receiving system
US2321269A (en) * 1941-11-21 1943-06-08 Rca Corp Frequency modulation
US2347398A (en) * 1942-05-01 1944-04-25 Rca Corp Modulation system
US2458574A (en) * 1943-04-10 1949-01-11 Rca Corp Pulse communication

Also Published As

Publication number Publication date
BE483758A (fr)
FR1003746A (fr) 1952-03-21
NL139712B (nl)
FR1007109A (fr) 1952-05-02
US2519836A (en) 1950-08-22
DE855417C (de) 1952-11-13
CH276572A (fr) 1951-07-15
GB659174A (en) 1951-10-17
BE486292A (fr)
NL66962C (fr) 1900-01-01
FR56849E (fr) 1952-10-07
GB652473A (en) 1951-04-25
US2558214A (en) 1951-06-26

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