JPS524145A - Unnecessary wave receiving prevention system - Google Patents

Unnecessary wave receiving prevention system

Info

Publication number
JPS524145A
JPS524145A JP7985975A JP7985975A JPS524145A JP S524145 A JPS524145 A JP S524145A JP 7985975 A JP7985975 A JP 7985975A JP 7985975 A JP7985975 A JP 7985975A JP S524145 A JPS524145 A JP S524145A
Authority
JP
Japan
Prior art keywords
prevention system
wave receiving
unnecessary wave
receiving prevention
unnecessary
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.)
Pending
Application number
JP7985975A
Other languages
Japanese (ja)
Inventor
Tokio Sakurai
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP7985975A priority Critical patent/JPS524145A/en
Publication of JPS524145A publication Critical patent/JPS524145A/en
Pending 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
    • H01Q19/191—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 the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds

Landscapes

  • Aerials With Secondary Devices (AREA)

Abstract

PURPOSE:To lead only the radio wave which comes from the destination point to the electromagnetic horn by use of a reflecting mirror and a shielding plate with a hole.
JP7985975A 1975-06-27 1975-06-27 Unnecessary wave receiving prevention system Pending JPS524145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7985975A JPS524145A (en) 1975-06-27 1975-06-27 Unnecessary wave receiving prevention system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7985975A JPS524145A (en) 1975-06-27 1975-06-27 Unnecessary wave receiving prevention system

Publications (1)

Publication Number Publication Date
JPS524145A true JPS524145A (en) 1977-01-13

Family

ID=13701912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7985975A Pending JPS524145A (en) 1975-06-27 1975-06-27 Unnecessary wave receiving prevention system

Country Status (1)

Country Link
JP (1) JPS524145A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009152856A (en) * 2007-12-20 2009-07-09 Mitsubishi Electric Corp Antenna equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884556A (en) * 1972-02-10 1973-11-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884556A (en) * 1972-02-10 1973-11-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009152856A (en) * 2007-12-20 2009-07-09 Mitsubishi Electric Corp Antenna equipment

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