DK264274A - - Google Patents

Info

Publication number
DK264274A
DK264274A DK264274A DK264274A DK264274A DK 264274 A DK264274 A DK 264274A DK 264274 A DK264274 A DK 264274A DK 264274 A DK264274 A DK 264274A DK 264274 A DK264274 A DK 264274A
Authority
DK
Denmark
Application number
DK264274A
Other languages
Danish (da)
Other versions
DK143827B (en
DK143827C (en
Inventor
H R Phelan
Original Assignee
Harris Co
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
Priority claimed from US363029A external-priority patent/US3906514A/en
Application filed by Harris Co filed Critical Harris Co
Publication of DK264274A publication Critical patent/DK264274A/da
Publication of DK143827B publication Critical patent/DK143827B/en
Application granted granted Critical
Publication of DK143827C publication Critical patent/DK143827C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/22—Reflecting surfaces; Equivalent structures functioning also as polarisation filter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H01Q3/46—Active lenses or reflecting arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DK264274A 1973-05-23 1974-05-14 PASSIVE ANTENNA ELEMENT DK143827C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US363029A US3906514A (en) 1971-10-27 1973-05-23 Dual polarization spiral antenna
US36302973 1973-05-23

Publications (3)

Publication Number Publication Date
DK264274A true DK264274A (en) 1975-03-17
DK143827B DK143827B (en) 1981-10-12
DK143827C DK143827C (en) 1982-03-08

Family

ID=23428485

Family Applications (1)

Application Number Title Priority Date Filing Date
DK264274A DK143827C (en) 1973-05-23 1974-05-14 PASSIVE ANTENNA ELEMENT

Country Status (6)

Country Link
CA (1) CA1018276A (en)
DE (1) DE2424819A1 (en)
DK (1) DK143827C (en)
FR (1) FR2231127B1 (en)
GB (1) GB1475319A (en)
IT (1) IT1012736B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949407A (en) * 1972-12-25 1976-04-06 Harris Corporation Direct fed spiral antenna
FR2522888A1 (en) * 1982-03-02 1983-09-09 Thomson Csf ANTENNA WITH DOUBLE REFLECTOR WITH POLARIZATION TRANSFORMER INCORPORATED

Also Published As

Publication number Publication date
DK143827B (en) 1981-10-12
GB1475319A (en) 1977-06-01
DE2424819A1 (en) 1974-12-19
FR2231127B1 (en) 1979-02-16
FR2231127A1 (en) 1974-12-20
DK143827C (en) 1982-03-08
AU6932874A (en) 1975-11-27
CA1018276A (en) 1977-09-27
IT1012736B (en) 1977-03-10

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Legal Events

Date Code Title Description
PBP Patent lapsed