FR726537A - New ways of coupling circuits in devices intended to change the frequency of radio signals - Google Patents

New ways of coupling circuits in devices intended to change the frequency of radio signals

Info

Publication number
FR726537A
FR726537A FR726537DA FR726537A FR 726537 A FR726537 A FR 726537A FR 726537D A FR726537D A FR 726537DA FR 726537 A FR726537 A FR 726537A
Authority
FR
France
Prior art keywords
frequency
change
radio signals
new ways
devices intended
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.)
Radiotechnique SA
Original Assignee
Radiotechnique 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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR726537A publication Critical patent/FR726537A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
    • H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
    • H03C1/24—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to different grid

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR726537D 1931-01-22 1931-01-22 New ways of coupling circuits in devices intended to change the frequency of radio signals Expired FR726537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR687684X 1931-01-22

Publications (1)

Publication Number Publication Date
FR726537A true FR726537A (en) 1932-05-30

Family

ID=9026286

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726537D Expired FR726537A (en) 1931-01-22 1931-01-22 New ways of coupling circuits in devices intended to change the frequency of radio signals

Country Status (2)

Country Link
DE (1) DE687684C (en)
FR (1) FR726537A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971556C (en) * 1933-01-14 1959-02-19 Hazeltine Corp Oscillator modulator circuit
DE971670C (en) * 1933-01-30 1959-03-12 Hazeltine Corp Circuit for the simultaneous generation of vibrations and modulation in a tube with at least three grid electrodes arranged between the cathode and anode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971556C (en) * 1933-01-14 1959-02-19 Hazeltine Corp Oscillator modulator circuit
DE971670C (en) * 1933-01-30 1959-03-12 Hazeltine Corp Circuit for the simultaneous generation of vibrations and modulation in a tube with at least three grid electrodes arranged between the cathode and anode

Also Published As

Publication number Publication date
DE687684C (en) 1940-02-03

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