JPH0221169B2 - - Google Patents

Info

Publication number
JPH0221169B2
JPH0221169B2 JP55074548A JP7454880A JPH0221169B2 JP H0221169 B2 JPH0221169 B2 JP H0221169B2 JP 55074548 A JP55074548 A JP 55074548A JP 7454880 A JP7454880 A JP 7454880A JP H0221169 B2 JPH0221169 B2 JP H0221169B2
Authority
JP
Japan
Prior art keywords
support
waves
wave
plane
reflected
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.)
Expired - Lifetime
Application number
JP55074548A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56169906A (en
Inventor
Hideo Sato
Akyoshi Ogawa
Naoto Matsunaka
Takashi Kataki
Takashi Hirukoi
Katsuhiko Aoki
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.)
Mitsubishi Electric Corp
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
Mitsubishi Electric Corp
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 Kokusai Denshin Denwa KK, Mitsubishi Electric Corp filed Critical Kokusai Denshin Denwa KK
Priority to JP7454880A priority Critical patent/JPS56169906A/ja
Priority to CA000378683A priority patent/CA1172354A/en
Priority to US06/269,216 priority patent/US4369448A/en
Priority to GB8116783A priority patent/GB2081023B/en
Publication of JPS56169906A publication Critical patent/JPS56169906A/ja
Priority to GB08408429A priority patent/GB2145569B/en
Publication of JPH0221169B2 publication Critical patent/JPH0221169B2/ja
Granted 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
    • 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
    • H01Q19/02—Details
    • H01Q19/021—Means for reducing undesirable effects
    • H01Q19/023—Means for reducing undesirable effects for reducing the scattering of mounting structures, e.g. of the struts
    • 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
    • H01Q19/12—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 wherein the surfaces are concave

Landscapes

  • Aerials With Secondary Devices (AREA)
JP7454880A 1980-06-03 1980-06-03 Antenna device Granted JPS56169906A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP7454880A JPS56169906A (en) 1980-06-03 1980-06-03 Antenna device
CA000378683A CA1172354A (en) 1980-06-03 1981-05-29 Microwave antenna having improved wide angle radiation characteristics
US06/269,216 US4369448A (en) 1980-06-03 1981-06-02 Microwave antenna with radiation scattering support member elements
GB8116783A GB2081023B (en) 1980-06-03 1981-06-02 Reflector antenna
GB08408429A GB2145569B (en) 1980-06-03 1984-04-02 Reflector antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7454880A JPS56169906A (en) 1980-06-03 1980-06-03 Antenna device

Publications (2)

Publication Number Publication Date
JPS56169906A JPS56169906A (en) 1981-12-26
JPH0221169B2 true JPH0221169B2 (enrdf_load_stackoverflow) 1990-05-14

Family

ID=13550410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7454880A Granted JPS56169906A (en) 1980-06-03 1980-06-03 Antenna device

Country Status (2)

Country Link
JP (1) JPS56169906A (enrdf_load_stackoverflow)
GB (1) GB2145569B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182569A (en) * 1988-09-23 1993-01-26 Alcatel N.V. Antenna having a circularly symmetrical reflector
AU627493B2 (en) * 1988-09-23 1992-08-27 Alcatel N.V. A circularly symmetrical reflector
FR2637130B1 (fr) * 1988-09-23 1991-05-31 Alcatel Transmission Antenne a optique cassegrain a haut rendement
JP4884670B2 (ja) * 2004-12-24 2012-02-29 株式会社デバイス アンテナ昇降装置
EP2493020B1 (en) * 2009-10-21 2018-03-07 Mitsubishi Electric Corporation Antenna device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB609060A (en) * 1946-03-05 1948-09-24 Athur Harold Stevens Improvements in or relating to an absorption device for ultra high frequency radiant energy
GB1205014A (en) * 1966-10-04 1970-09-09 Gen Electric & English Elect Improvements in or relating to directional aerial systems
GB1162312A (en) * 1967-02-16 1969-08-27 Mini Of Technology London Improvements in or relating to Microwave Aerial Assemblies
JPS53105343A (en) * 1977-02-26 1978-09-13 Nippon Telegr & Teleph Corp <Ntt> Antenna unit
JPS54134959A (en) * 1978-04-12 1979-10-19 Mitsubishi Electric Corp Radio-wave shielding board

Also Published As

Publication number Publication date
GB2145569A (en) 1985-03-27
GB8408429D0 (en) 1984-05-10
JPS56169906A (en) 1981-12-26
GB2145569B (en) 1985-09-18

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