FR941548A - Perfectionnements aux systèmes de modulation des ondes ultra-courtes - Google Patents

Perfectionnements aux systèmes de modulation des ondes ultra-courtes

Info

Publication number
FR941548A
FR941548A FR941548DA FR941548A FR 941548 A FR941548 A FR 941548A FR 941548D A FR941548D A FR 941548DA FR 941548 A FR941548 A FR 941548A
Authority
FR
France
Prior art keywords
ultra
short wave
wave modulation
modulation systems
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
English (en)
Inventor
Robert-Pierrre Marie
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.)
Sadir Carpentier SA
Original Assignee
Sadir Carpentier 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 Sadir Carpentier SA filed Critical Sadir Carpentier SA
Application granted granted Critical
Publication of FR941548A publication Critical patent/FR941548A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/28—Amplitude modulation by means of transit-time tube
    • H03C1/30—Amplitude modulation by means of transit-time tube by means of a magnetron
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microwave Tubes (AREA)
  • Constitution Of High-Frequency Heating (AREA)
FR941548D 1947-03-21 1947-02-05 Perfectionnements aux systèmes de modulation des ondes ultra-courtes Expired FR941548A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR56743T 1947-03-21

Publications (1)

Publication Number Publication Date
FR941548A true FR941548A (fr) 1949-01-13

Family

ID=8690901

Family Applications (2)

Application Number Title Priority Date Filing Date
FR941548D Expired FR941548A (fr) 1947-03-21 1947-02-05 Perfectionnements aux systèmes de modulation des ondes ultra-courtes
FR56743D Expired FR56743E (fr) 1947-03-21 1947-03-21 Perfectionnements aux systèmes de modulation des ondes ultra-courtes

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR56743D Expired FR56743E (fr) 1947-03-21 1947-03-21 Perfectionnements aux systèmes de modulation des ondes ultra-courtes

Country Status (3)

Country Link
US (1) US2557882A (fr)
FR (2) FR941548A (fr)
GB (1) GB652168A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669694A (en) * 1951-04-28 1954-02-16 Westinghouse Electric Corp Modulator
US2832054A (en) * 1952-05-16 1958-04-22 Bell Telephone Labor Inc Gyrating wave transmission networks
DE946236C (de) * 1954-04-22 1956-08-02 Emi Ltd Anordnung einer Elektronenentladungsstrecke in einem elektromagnetischen Wechselfeld sehr hoher Frequenz
US2851687A (en) * 1955-05-10 1958-09-09 Sperry Rand Corp Circularly polarized antenna
GB809365A (en) * 1955-08-08 1959-02-25 Mullard Radio Valve Co Ltd Improvements in or relating to wave guides for the transmission of high-frequency polarised electromagnetic waves
US2910659A (en) * 1956-05-21 1959-10-27 Bell Telephone Labor Inc Microwave impedance branch
US4672334A (en) * 1984-09-27 1987-06-09 Andrew Corporation Dual-band circular polarizer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2257783A (en) * 1939-09-21 1941-10-07 Bell Telephone Labor Inc Guided wave transmission
US2241976A (en) * 1940-04-25 1941-05-13 Gen Electric High frequency apparatus
US2368693A (en) * 1942-07-04 1945-02-06 Standard Telephones Cables Ltd Modulation system
US2436828A (en) * 1942-12-31 1948-03-02 Bell Telephone Labor Inc Coupling arrangement for use in wave transmission systems
US2438768A (en) * 1944-04-28 1948-03-30 Philco Corp Apparatus for varying the frequency of resonant cavities
US2458579A (en) * 1945-04-26 1949-01-11 Bell Telephone Labor Inc Microwave modulator

Also Published As

Publication number Publication date
FR56743E (fr) 1952-10-03
GB652168A (en) 1951-04-18
US2557882A (en) 1951-06-19

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