FR52731E - Device of directed antennas for wide frequency bands - Google Patents

Device of directed antennas for wide frequency bands

Info

Publication number
FR52731E
FR52731E FR52731DA FR52731E FR 52731 E FR52731 E FR 52731E FR 52731D A FR52731D A FR 52731DA FR 52731 E FR52731 E FR 52731E
Authority
FR
France
Prior art keywords
frequency bands
wide frequency
directed antennas
antennas
directed
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR52731E publication Critical patent/FR52731E/en
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
    • H01Q19/10—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 reflecting surfaces
    • H01Q19/12—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 reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—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 reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
FR52731D 1943-01-25 1943-01-25 Device of directed antennas for wide frequency bands Expired FR52731E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR52731T 1943-01-25

Publications (1)

Publication Number Publication Date
FR52731E true FR52731E (en) 1945-05-17

Family

ID=8687363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52731D Expired FR52731E (en) 1943-01-25 1943-01-25 Device of directed antennas for wide frequency bands

Country Status (1)

Country Link
FR (1) FR52731E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714659A (en) * 1951-07-30 1955-08-02 Rca Corp Broad band unidirectional antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714659A (en) * 1951-07-30 1955-08-02 Rca Corp Broad band unidirectional antenna

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