FR925494A - Perfectionnements aux tubes ou valves électroniques à vide - Google Patents

Perfectionnements aux tubes ou valves électroniques à vide

Info

Publication number
FR925494A
FR925494A FR925494DA FR925494A FR 925494 A FR925494 A FR 925494A FR 925494D A FR925494D A FR 925494DA FR 925494 A FR925494 A FR 925494A
Authority
FR
France
Prior art keywords
valves
vacuum tubes
electronic vacuum
electronic
tubes
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
John Adolph Sargrove
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 filed Critical
Application granted granted Critical
Publication of FR925494A publication Critical patent/FR925494A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/30—Angle modulation by means of transit-time tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Particle Accelerators (AREA)
FR925494D 1942-03-28 1946-04-11 Perfectionnements aux tubes ou valves électroniques à vide Expired FR925494A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4136/42A GB558036A (en) 1942-03-28 1942-03-28 Improvements relating to the operation of electronic vacuum tubes or valves

Publications (1)

Publication Number Publication Date
FR925494A true FR925494A (fr) 1947-09-04

Family

ID=9771430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925494D Expired FR925494A (fr) 1942-03-28 1946-04-11 Perfectionnements aux tubes ou valves électroniques à vide

Country Status (4)

Country Link
US (1) US2485925A (enrdf_load_html_response)
BE (1) BE465751A (enrdf_load_html_response)
FR (1) FR925494A (enrdf_load_html_response)
GB (1) GB558036A (enrdf_load_html_response)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332540A (en) * 1941-02-27 1943-10-26 Philco Radio & Television Corp Method and apparatus for receiving frequency modulated waves
US2294372A (en) * 1941-10-31 1942-09-01 Rca Corp Phase modulation

Also Published As

Publication number Publication date
US2485925A (en) 1949-10-25
BE465751A (enrdf_load_html_response)
GB558036A (en) 1943-12-16

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