FR925115A - Perfectionnements aux procédés de modulation directe d'un émetteur d'ondes ultra courtes - Google Patents

Perfectionnements aux procédés de modulation directe d'un émetteur d'ondes ultra courtes

Info

Publication number
FR925115A
FR925115A FR925115DA FR925115A FR 925115 A FR925115 A FR 925115A FR 925115D A FR925115D A FR 925115DA FR 925115 A FR925115 A FR 925115A
Authority
FR
France
Prior art keywords
ultra
modulation methods
direct modulation
shortwave transmitter
shortwave
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR925115A publication Critical patent/FR925115A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR925115D 1946-03-22 1946-03-22 Perfectionnements aux procédés de modulation directe d'un émetteur d'ondes ultra courtes Expired FR925115A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925115T 1946-03-22

Publications (1)

Publication Number Publication Date
FR925115A true FR925115A (fr) 1947-08-26

Family

ID=9439861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925115D Expired FR925115A (fr) 1946-03-22 1946-03-22 Perfectionnements aux procédés de modulation directe d'un émetteur d'ondes ultra courtes

Country Status (3)

Country Link
US (1) US2518371A (fr)
FR (1) FR925115A (fr)
GB (1) GB627099A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038602A (en) * 1976-02-25 1977-07-26 The United States Of America As Represented By The Secretary Of The Navy Automodulated realtivistic electron beam microwave source
DE102023117578A1 (de) * 2023-07-04 2025-01-09 Sick Ag Lesen eines RFID-Transponders auf einem Objekt in einer Vorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE309834C (fr) *
US1631450A (en) * 1920-02-03 1927-06-07 Andrews Cyrus Newton Art of and means for metrical optic and acoustic recording and reproduction
US1859665A (en) * 1929-07-31 1932-05-24 Harry H Golden Method and means for combining pictures with sound
US2230855A (en) * 1939-03-15 1941-02-04 Walter C Wellman Signal reproducing means
US2301163A (en) * 1940-02-24 1942-11-03 Koch Siegfried High frequency tuned oscillatory circuit
US2412446A (en) * 1942-10-31 1946-12-10 Gen Electric Ultra high frequency system

Also Published As

Publication number Publication date
GB627099A (en) 1949-07-28
US2518371A (en) 1950-08-08

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