CH578263A5 - - Google Patents

Info

Publication number
CH578263A5
CH578263A5 CH19775A CH19775A CH578263A5 CH 578263 A5 CH578263 A5 CH 578263A5 CH 19775 A CH19775 A CH 19775A CH 19775 A CH19775 A CH 19775A CH 578263 A5 CH578263 A5 CH 578263A5
Authority
CH
Switzerland
Application number
CH19775A
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of CH578263A5 publication Critical patent/CH578263A5/xx

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H01Q1/425—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising a metallic grid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/04—Biconical horns
CH19775A 1974-01-11 1975-01-09 CH578263A5 (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7400413A NL7400413A (nl) 1974-01-11 1974-01-11 Antennereflectorsteun.

Publications (1)

Publication Number Publication Date
CH578263A5 true CH578263A5 (nl) 1976-07-30

Family

ID=19820541

Family Applications (1)

Application Number Title Priority Date Filing Date
CH19775A CH578263A5 (nl) 1974-01-11 1975-01-09

Country Status (6)

Country Link
US (1) US3978486A (nl)
JP (1) JPS5525732B2 (nl)
CH (1) CH578263A5 (nl)
DE (1) DE2461369A1 (nl)
GB (1) GB1459697A (nl)
NL (1) NL7400413A (nl)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146869A (en) * 1976-10-28 1979-03-27 Bindicator Company Ultrasonic antenna assembly
US4126866A (en) * 1977-05-17 1978-11-21 Ohio State University Research Foundation Space filter surface
US4160254A (en) * 1978-02-16 1979-07-03 Nasa Microwave dichroic plate
GB8812410D0 (en) * 1988-05-25 1988-06-29 Plessey Co Plc Radar transparent materials
JPH0732326B2 (ja) * 1991-05-21 1995-04-10 株式会社ロボテック研究所 ファンビームアンテナ
JPH04344705A (ja) * 1991-05-21 1992-12-01 Robotec Kenkyusho:Kk 無指向性アンテナ
CA2198969A1 (en) * 1996-03-04 1997-09-04 Andrew Corporation Broadband omnidirectional microwave antenna with decreased sky radiation and with a simple means of elevation-plane pattern control
US6094174A (en) * 1996-03-04 2000-07-25 Andrew Corporation Broadband omnidirectional microwave parabolic dish--shaped cone antenna
GB2326530B (en) * 1997-04-22 2001-12-19 Andrew Corp A broadband omnidirectional microwave parabolic dish shaped cone antenna
US7283103B2 (en) * 2004-05-04 2007-10-16 Raytheon Company Compact broadband antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045398A (en) * 1934-08-09 1936-06-23 Massey Andrew Radio antenna
US2645769A (en) * 1947-06-05 1953-07-14 Walter Van B Roberts Continuous wave radar system
US3231892A (en) * 1962-06-26 1966-01-25 Philco Corp Antenna feed system simultaneously operable at two frequencies utilizing polarization independent frequency selective intermediate reflector
US3761937A (en) * 1972-05-11 1973-09-25 Gen Dynamics Corp Radio frequency transmitting apparatus having slotted metallic radio frequency windows
US3787869A (en) * 1972-10-11 1974-01-22 Hughes Aircraft Co Integrated beacon antenna polarization switch

Also Published As

Publication number Publication date
JPS50119554A (nl) 1975-09-19
DE2461369A1 (de) 1975-07-24
GB1459697A (en) 1976-12-22
NL7400413A (nl) 1975-07-15
US3978486A (en) 1976-08-31
JPS5525732B2 (nl) 1980-07-08

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Legal Events

Date Code Title Description
PL Patent ceased