FR826609A - Systèmes de transmission d'ondes ultra-courtes - Google Patents

Systèmes de transmission d'ondes ultra-courtes

Info

Publication number
FR826609A
FR826609A FR826609DA FR826609A FR 826609 A FR826609 A FR 826609A FR 826609D A FR826609D A FR 826609DA FR 826609 A FR826609 A FR 826609A
Authority
FR
France
Prior art keywords
ultra
transmission systems
shortwave transmission
shortwave
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)
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
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR826609A publication Critical patent/FR826609A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
FR826609D 1936-09-11 1937-09-10 Systèmes de transmission d'ondes ultra-courtes Expired FR826609A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US826609XA 1936-09-11 1936-09-11

Publications (1)

Publication Number Publication Date
FR826609A true FR826609A (fr) 1938-04-06

Family

ID=22172578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826609D Expired FR826609A (fr) 1936-09-11 1937-09-10 Systèmes de transmission d'ondes ultra-courtes

Country Status (1)

Country Link
FR (1) FR826609A (fr)

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