JPS51118354A - Electric wave compound projection system - Google Patents
Electric wave compound projection systemInfo
- 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
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
Landscapes
- Aerials With Secondary Devices (AREA)
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.
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)
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)
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 |
-
1975
- 1975-04-10 JP JP4369675A patent/JPS51118354A/en active Pending
Patent Citations (2)
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)
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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