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FR1004214A - Frequency modulator - Google Patents

Frequency modulator

Info

Publication number
FR1004214A
FR1004214A FR1004214DA FR1004214A FR 1004214 A FR1004214 A FR 1004214A FR 1004214D A FR1004214D A FR 1004214DA FR 1004214 A FR1004214 A FR 1004214A
Authority
FR
France
Prior art keywords
frequency modulator
modulator
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
French (fr)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR1004214A publication Critical patent/FR1004214A/en
Expired legal-status Critical Current

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
    • H03C3/20—Angle modulation by means of variable impedance by means of a variable reactive element the element being a voltage-dependent capacitor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR1004214D 1947-03-20 1947-03-20 Frequency modulator Expired FR1004214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR833062X 1947-03-20

Publications (1)

Publication Number Publication Date
FR1004214A true FR1004214A (en) 1952-03-27

Family

ID=9296349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004214D Expired FR1004214A (en) 1947-03-20 1947-03-20 Frequency modulator

Country Status (2)

Country Link
DE (1) DE833062C (en)
FR (1) FR1004214A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135269C (en) * 1959-08-05

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE605801C (en) * 1929-06-25 1934-11-17 Loewe Opta Gmbh Arrangement for generating frequency-modulated vibrations using piezoelectric bodies

Also Published As

Publication number Publication date
DE833062C (en) 1952-03-03

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