FR840443A - Modulator systems - Google Patents

Modulator systems

Info

Publication number
FR840443A
FR840443A FR840443DA FR840443A FR 840443 A FR840443 A FR 840443A FR 840443D A FR840443D A FR 840443DA FR 840443 A FR840443 A FR 840443A
Authority
FR
France
Prior art keywords
modulator systems
modulator
systems
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR840443A publication Critical patent/FR840443A/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
    • H03C3/14—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
FR840443D 1937-07-09 1938-07-07 Modulator systems Expired FR840443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US515940XA 1937-07-09 1937-07-09

Publications (1)

Publication Number Publication Date
FR840443A true FR840443A (en) 1939-04-25

Family

ID=21972249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840443D Expired FR840443A (en) 1937-07-09 1938-07-07 Modulator systems

Country Status (4)

Country Link
BE (1) BE428896A (en)
FR (1) FR840443A (en)
GB (1) GB515940A (en)
NL (1) NL57985C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882424C (en) * 1940-02-20 1953-07-09 Western Electric Co Arrangement for keeping the mean frequency of an oscillator constant for frequency-modulated carrier waves

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976238C (en) * 1953-05-28 1963-05-16 Telefunken Patent Circuit of a feedback tube generator for frequency modulation with a large frequency deviation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882424C (en) * 1940-02-20 1953-07-09 Western Electric Co Arrangement for keeping the mean frequency of an oscillator constant for frequency-modulated carrier waves

Also Published As

Publication number Publication date
NL57985C (en)
GB515940A (en) 1939-12-19
BE428896A (en)

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