[go: up one dir, main page]

FR1512598A - circularly polarized resonant elements and semi-transparent reflector composed of these elements - Google Patents

circularly polarized resonant elements and semi-transparent reflector composed of these elements

Info

Publication number
FR1512598A
FR1512598A FR89609A FR89609A FR1512598A FR 1512598 A FR1512598 A FR 1512598A FR 89609 A FR89609 A FR 89609A FR 89609 A FR89609 A FR 89609A FR 1512598 A FR1512598 A FR 1512598A
Authority
FR
France
Prior art keywords
elements
semi
circularly polarized
transparent reflector
reflector composed
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
FR89609A
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.)
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
Priority to FR89609A priority Critical patent/FR1512598A/en
Priority to US690920A priority patent/US3500420A/en
Priority to GB57621/67A priority patent/GB1167598A/en
Priority to CH1802867A priority patent/CH510940A/en
Priority to SE18099/67A priority patent/SE332019B/xx
Application granted granted Critical
Publication of FR1512598A publication Critical patent/FR1512598A/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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H01Q19/195—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
FR89609A 1966-12-30 1966-12-30 circularly polarized resonant elements and semi-transparent reflector composed of these elements Expired FR1512598A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR89609A FR1512598A (en) 1966-12-30 1966-12-30 circularly polarized resonant elements and semi-transparent reflector composed of these elements
US690920A US3500420A (en) 1966-12-30 1967-12-15 Reflector for circularly polarized waves
GB57621/67A GB1167598A (en) 1966-12-30 1967-12-19 Improvements in or relating to Reflectors for Circularly Polarised Electro-Magnetic Waves
CH1802867A CH510940A (en) 1966-12-30 1967-12-21 Reflector for circularly polarized waves in a given direction
SE18099/67A SE332019B (en) 1966-12-30 1967-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR89609A FR1512598A (en) 1966-12-30 1966-12-30 circularly polarized resonant elements and semi-transparent reflector composed of these elements

Publications (1)

Publication Number Publication Date
FR1512598A true FR1512598A (en) 1968-02-09

Family

ID=8623246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR89609A Expired FR1512598A (en) 1966-12-30 1966-12-30 circularly polarized resonant elements and semi-transparent reflector composed of these elements

Country Status (5)

Country Link
US (1) US3500420A (en)
CH (1) CH510940A (en)
FR (1) FR1512598A (en)
GB (1) GB1167598A (en)
SE (1) SE332019B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192308B (en) * 1977-12-16 1988-09-01 Elliott Bros Improvements in or relating to the reflectivity of metallic bodies
GB2192309B (en) * 1977-12-16 1988-05-25 Elliott Bros Energy reflectors
IT1240572B (en) * 1990-11-15 1993-12-17 Aeritalia Spa POLARIZATION DISCRIMINATOR DEVICE FOR CIRCULAR POLARIZATION ELECTROMAGNETIC WAVES AND DICHROIC SIPERPHICS INCLUDING A PLURALITY OF SUCH DEVICES
US9391374B2 (en) 2012-07-09 2016-07-12 Jasmin ROY Reciprocal circular polarization selective surfaces and elements thereof
US10224637B2 (en) 2012-07-09 2019-03-05 Jasmin ROY Reciprocal circular polarization selective surfaces and elements thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736895A (en) * 1951-02-16 1956-02-28 Elliott Brothers London Ltd High frequency radio aerials
US2867801A (en) * 1953-09-14 1959-01-06 Elliott Brothers London Ltd High frequency radio aerials

Also Published As

Publication number Publication date
SE332019B (en) 1971-01-25
US3500420A (en) 1970-03-10
GB1167598A (en) 1969-10-15
CH510940A (en) 1971-07-31

Similar Documents

Publication Publication Date Title
AT281625B (en) Lock
AT276483B (en) Crystal resonator
CH472719A (en) Waterproof watch box
FR1512598A (en) circularly polarized resonant elements and semi-transparent reflector composed of these elements
CH477077A (en) Key switch
FR1533590A (en) Resonant cavity
CH465693A (en) Cryogenic switch
CH434392A (en) High frequency generator
NL143298B (en) WAVE INHIBITION CONSTRUCTION.
AT278145B (en) Circuit breaker
CH488251A (en) Stabilized cellulosic insulating material
AT278665B (en) Mechanical resonator
CH477041A (en) Waterproof watch box
FR1477508A (en) Stable oscillator
ES119792Y (en) PROTECTED SWITCH WITH FUSES.
FR1477160A (en) Key ring
FR1470404A (en) Key ring
CH465006A (en) Oscillator circuit
FR1391260A (en) Linear polarized posterior cavity antenna
FR1378085A (en) Tuned and polarized electro-magnetic pendulum
FR1542483A (en) Composite resonator
ES120039Y (en) PERFECTED CASE FOR THE PROTECTION OF WATCHES.
FR1546652A (en) Ring laser
FR1476109A (en) Key ring
FR1501949A (en) Key ring