FR794533A - Antenna with mirror-shaped reflector for short and ultra-short waves - Google Patents

Antenna with mirror-shaped reflector for short and ultra-short waves

Info

Publication number
FR794533A
FR794533A FR794533DA FR794533A FR 794533 A FR794533 A FR 794533A FR 794533D A FR794533D A FR 794533DA FR 794533 A FR794533 A FR 794533A
Authority
FR
France
Prior art keywords
short
ultra
antenna
mirror
shaped reflector
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 FR794533A publication Critical patent/FR794533A/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
    • H01Q19/17—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 comprising two or more radiating elements
FR794533D 1934-09-03 1935-09-02 Antenna with mirror-shaped reflector for short and ultra-short waves Expired FR794533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE446619X 1934-09-03

Publications (1)

Publication Number Publication Date
FR794533A true FR794533A (en) 1936-02-19

Family

ID=6537906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR794533D Expired FR794533A (en) 1934-09-03 1935-09-02 Antenna with mirror-shaped reflector for short and ultra-short waves

Country Status (3)

Country Link
US (1) US2112282A (en)
FR (1) FR794533A (en)
GB (1) GB446619A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506617A (en) * 1938-06-23 1950-05-09 Us Sec War Method of and apparatus for locating and tracking a distant body
FR971483A (en) * 1940-06-15 1951-01-17 Csf Improvements to radio wave radiators
US2541806A (en) * 1943-05-04 1951-02-13 Gen Electric Beam antenna system
US2436408A (en) * 1943-05-27 1948-02-24 Sperry Corp Radio wave reflecting transducer system
US2542844A (en) * 1943-08-14 1951-02-20 Bell Telephone Labor Inc Microwave directive antenna
US2577463A (en) * 1944-05-17 1951-12-04 Rca Corp Device for transmission and reception of very short electrical waves
US2682048A (en) * 1945-04-07 1954-06-22 Us Sec War Radio object detection apparatus
US2480143A (en) * 1946-09-11 1949-08-30 Standard Telephones Cables Ltd Directive antenna system
US2982962A (en) * 1953-08-19 1961-05-02 Gen Railway Signal Co Antenna system
US2913723A (en) * 1956-01-23 1959-11-17 Csf Variable pattern radar aerial

Also Published As

Publication number Publication date
US2112282A (en) 1938-03-29
GB446619A (en) 1936-05-04

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