BE473144A - - Google Patents

Info

Publication number
BE473144A
BE473144A BE473144DA BE473144A BE 473144 A BE473144 A BE 473144A BE 473144D A BE473144D A BE 473144DA BE 473144 A BE473144 A BE 473144A
Authority
BE
Belgium
Application number
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.)
Publication of BE473144A publication Critical patent/BE473144A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Transmitters (AREA)
BE473144D 1945-09-15 BE473144A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US616622A US2462905A (en) 1945-09-15 1945-09-15 Frequency modulated oscillating system

Publications (1)

Publication Number Publication Date
BE473144A true BE473144A (no)

Family

ID=24470285

Family Applications (1)

Application Number Title Priority Date Filing Date
BE473144D BE473144A (no) 1945-09-15

Country Status (6)

Country Link
US (1) US2462905A (no)
BE (1) BE473144A (no)
CH (1) CH270708A (no)
ES (1) ES179489A1 (no)
FR (1) FR938467A (no)
GB (1) GB614066A (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009925A1 (en) * 2016-07-08 2018-01-11 Rensselaer Polytechnic Institute High frequency push-push oscillator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2121737A (en) * 1933-07-24 1938-06-21 Rca Corp Variable reactance modulator circuit
US2283793A (en) * 1939-06-07 1942-05-19 Emi Ltd High frequency modulated radio signal transmitter
US2321269A (en) * 1941-11-21 1943-06-08 Rca Corp Frequency modulation
US2382198A (en) * 1942-05-16 1945-08-14 Rca Corp Oscillator stabilizing circuit
US2421725A (en) * 1944-11-23 1947-06-03 Philco Corp Variable frequency cavity resonator oscillator

Also Published As

Publication number Publication date
US2462905A (en) 1949-03-01
GB614066A (en) 1948-12-09
CH270708A (fr) 1950-09-15
FR938467A (fr) 1948-09-16
ES179489A1 (es) 1947-10-16

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