JPS51118354A - Electric wave compound projection system - Google Patents

Electric wave compound projection system

Info

Publication number
JPS51118354A
JPS51118354A JP4369675A JP4369675A JPS51118354A JP S51118354 A JPS51118354 A JP S51118354A JP 4369675 A JP4369675 A JP 4369675A JP 4369675 A JP4369675 A JP 4369675A JP S51118354 A JPS51118354 A JP S51118354A
Authority
JP
Japan
Prior art keywords
electric wave
projection system
wave compound
compound projection
hole
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
JP4369675A
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 JP4369675A priority Critical patent/JPS51118354A/en
Publication of JPS51118354A publication Critical patent/JPS51118354A/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
    • H01Q19/192—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 with dual offset reflectors

Abstract

PURPOSE:To get wider directivity by putting reflex mirror with hole on electric wave path ot compound electric wave reflected by the mirror and the one passed through the hole.
JP4369675A 1975-04-10 1975-04-10 Electric wave compound projection system Pending JPS51118354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4369675A JPS51118354A (en) 1975-04-10 1975-04-10 Electric wave compound projection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4369675A JPS51118354A (en) 1975-04-10 1975-04-10 Electric wave compound projection system

Publications (1)

Publication Number Publication Date
JPS51118354A true JPS51118354A (en) 1976-10-18

Family

ID=12670983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4369675A Pending JPS51118354A (en) 1975-04-10 1975-04-10 Electric wave compound projection system

Country Status (1)

Country Link
JP (1) JPS51118354A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016171246A1 (en) * 2015-04-24 2016-10-27 三菱電機株式会社 Antenna device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043131A (en) * 1973-07-07 1975-04-18
JPS51117855A (en) * 1975-04-09 1976-10-16 Tokio Sakurai Electric wave projection method using annular secondary curve mirror

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043131A (en) * 1973-07-07 1975-04-18
JPS51117855A (en) * 1975-04-09 1976-10-16 Tokio Sakurai Electric wave projection method using annular secondary curve mirror

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016171246A1 (en) * 2015-04-24 2016-10-27 三菱電機株式会社 Antenna device
JPWO2016171246A1 (en) * 2015-04-24 2017-08-10 三菱電機株式会社 Antenna device
US10090604B2 (en) 2015-04-24 2018-10-02 Mitsubishi Electric Corporation Antenna device

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