FR935649A - Montage fournissant des oscillations modulées en phase - Google Patents

Montage fournissant des oscillations modulées en phase

Info

Publication number
FR935649A
FR935649A FR935649DA FR935649A FR 935649 A FR935649 A FR 935649A FR 935649D A FR935649D A FR 935649DA FR 935649 A FR935649 A FR 935649A
Authority
FR
France
Prior art keywords
assembly providing
providing phase
modulated oscillations
oscillations
modulated
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR935649A publication Critical patent/FR935649A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/04—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
    • H03K3/05—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback
    • H03K3/06—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/04—Position modulation, i.e. PPM

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR935649D 1945-11-09 1946-11-07 Montage fournissant des oscillations modulées en phase Expired FR935649A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL253844X 1945-11-09

Publications (1)

Publication Number Publication Date
FR935649A true FR935649A (fr) 1948-06-24

Family

ID=19781221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR935649D Expired FR935649A (fr) 1945-11-09 1946-11-07 Montage fournissant des oscillations modulées en phase

Country Status (7)

Country Link
US (1) US2573447A (fr)
BE (1) BE469025A (fr)
CH (1) CH253844A (fr)
DE (1) DE818814C (fr)
FR (1) FR935649A (fr)
GB (2) GB633403A (fr)
NL (1) NL80739C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE908628C (de) * 1950-07-20 1954-04-08 Siemens Ag Vorrichtung zur Frequenzmodulation
US3046496A (en) * 1959-01-21 1962-07-24 Rca Corp Stabilized frequency modulated oscillator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279659A (en) * 1937-04-13 1942-04-14 Rca Corp Frequency modulator
US2306052A (en) * 1940-12-21 1942-12-22 Rca Corp Phase modulation circuit
US2392114A (en) * 1943-01-23 1946-01-01 Gen Electric Pulse system
GB565403A (en) * 1943-02-05 1944-11-09 Mullard Radio Valve Co Ltd Improvements in and relating to phase modulators
US2426996A (en) * 1944-08-17 1947-09-09 Bell Telephone Labor Inc Frequency modulation

Also Published As

Publication number Publication date
BE469025A (fr)
NL80739C (fr)
US2573447A (en) 1951-10-30
GB633403A (en) 1949-12-12
GB623060A (en) 1949-05-11
CH253844A (de) 1948-03-31
DE818814C (de) 1951-10-29

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