FR923933A - Improvements to directed antenna systems - Google Patents

Improvements to directed antenna systems

Info

Publication number
FR923933A
FR923933A FR923933DA FR923933A FR 923933 A FR923933 A FR 923933A FR 923933D A FR923933D A FR 923933DA FR 923933 A FR923933 A FR 923933A
Authority
FR
France
Prior art keywords
antenna systems
directed antenna
directed
systems
antenna
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)
Inventor
Sidney Benson Pickles
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR923933A publication Critical patent/FR923933A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02Refracting or diffracting devices, e.g. lens, prism
FR923933D 1945-03-19 1946-03-18 Improvements to directed antenna systems Expired FR923933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US584596A US2524830A (en) 1945-03-19 1945-03-19 Beacon antenna system

Publications (1)

Publication Number Publication Date
FR923933A true FR923933A (en) 1947-07-22

Family

ID=24338004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923933D Expired FR923933A (en) 1945-03-19 1946-03-18 Improvements to directed antenna systems

Country Status (5)

Country Link
US (1) US2524830A (en)
BE (1) BE469846A (en)
CH (1) CH273990A (en)
ES (1) ES172871A1 (en)
FR (1) FR923933A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1764441A (en) * 1924-08-04 1930-06-17 Hahnemann Walter Arrangement for directional transmission and reception by means of electric waves
FR704953A (en) * 1930-01-24 1931-05-29 Radio Ind Wave projector
US2226687A (en) * 1937-12-28 1940-12-31 Mackay Radio & Telegraph Compa Unidirectional v-type antenna system
US2204175A (en) * 1939-01-19 1940-06-11 Rca Corp Antenna system
US2292342A (en) * 1940-02-28 1942-08-04 Bell Telephone Labor Inc Reflecting system for antennas
US2282759A (en) * 1940-08-03 1942-05-12 Gavitt Mfg Company Antenna loop

Also Published As

Publication number Publication date
ES172871A1 (en) 1946-04-16
BE469846A (en)
CH273990A (en) 1951-03-15
US2524830A (en) 1950-10-10

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