FR938467A - Perfectionnements aux systèmes oscillants modulés en fréquence - Google Patents

Perfectionnements aux systèmes oscillants modulés en fréquence

Info

Publication number
FR938467A
FR938467A FR938467DA FR938467A FR 938467 A FR938467 A FR 938467A FR 938467D A FR938467D A FR 938467DA FR 938467 A FR938467 A FR 938467A
Authority
FR
France
Prior art keywords
frequency modulated
oscillating systems
modulated oscillating
systems
frequency
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Inventor
George Taylor Royden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR938467A publication Critical patent/FR938467A/fr
Expired legal-status Critical Current

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)
  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR938467D 1945-09-15 1946-11-15 Perfectionnements aux systèmes oscillants modulés en fréquence Expired FR938467A (fr)

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
FR938467A true FR938467A (fr) 1948-09-16

Family

ID=24470285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938467D Expired FR938467A (fr) 1945-09-15 1946-11-15 Perfectionnements aux systèmes oscillants modulés en fréquence

Country Status (6)

Country Link
US (1) US2462905A (xx)
BE (1) BE473144A (xx)
CH (1) CH270708A (xx)
ES (1) ES179489A1 (xx)
FR (1) FR938467A (xx)
GB (1) GB614066A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11336228B2 (en) 2016-07-08 2022-05-17 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
GB614066A (en) 1948-12-09
US2462905A (en) 1949-03-01
ES179489A1 (es) 1947-10-16
BE473144A (xx)
CH270708A (fr) 1950-09-15

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