JPS5333033A - Constant beam opening antenna - Google Patents

Constant beam opening antenna

Info

Publication number
JPS5333033A
JPS5333033A JP10682676A JP10682676A JPS5333033A JP S5333033 A JPS5333033 A JP S5333033A JP 10682676 A JP10682676 A JP 10682676A JP 10682676 A JP10682676 A JP 10682676A JP S5333033 A JPS5333033 A JP S5333033A
Authority
JP
Japan
Prior art keywords
beam opening
constant beam
antenna
opening antenna
constant
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.)
Granted
Application number
JP10682676A
Other languages
Japanese (ja)
Other versions
JPS5541564B2 (en
Inventor
Kenji Ueno
Kenichi Kagoshima
Noriaki Ishida
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10682676A priority Critical patent/JPS5333033A/en
Publication of JPS5333033A publication Critical patent/JPS5333033A/en
Publication of JPS5541564B2 publication Critical patent/JPS5541564B2/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
    • H01Q19/12—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)

Abstract

PURPOSE:To make the beam width of an antenna constant in a wide frequency band by making the beam irradiating the main reflective mirror of an opening surface antenna contain at least the 1st side lobe.
JP10682676A 1976-09-08 1976-09-08 Constant beam opening antenna Granted JPS5333033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10682676A JPS5333033A (en) 1976-09-08 1976-09-08 Constant beam opening antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10682676A JPS5333033A (en) 1976-09-08 1976-09-08 Constant beam opening antenna

Publications (2)

Publication Number Publication Date
JPS5333033A true JPS5333033A (en) 1978-03-28
JPS5541564B2 JPS5541564B2 (en) 1980-10-24

Family

ID=14443565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10682676A Granted JPS5333033A (en) 1976-09-08 1976-09-08 Constant beam opening antenna

Country Status (1)

Country Link
JP (1) JPS5333033A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757325A (en) * 1984-11-19 1988-07-12 Hughes Aircraft Company Method for designing sector beam antennas
JPS63234608A (en) * 1987-03-23 1988-09-29 Mitsubishi Electric Corp Multi-beam antenna
US5813620A (en) * 1992-09-04 1998-09-29 Daiwa Seiko, Inc. Spinning reel for fishing comprising rotational balancing weights
US5967438A (en) * 1991-05-14 1999-10-19 Shimano, Inc. Spinning reel having balancing means

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757325A (en) * 1984-11-19 1988-07-12 Hughes Aircraft Company Method for designing sector beam antennas
JPS63234608A (en) * 1987-03-23 1988-09-29 Mitsubishi Electric Corp Multi-beam antenna
US5967438A (en) * 1991-05-14 1999-10-19 Shimano, Inc. Spinning reel having balancing means
USRE38099E1 (en) 1991-05-14 2003-04-29 Shimano Inc. Spinning reel having balancer
US5813620A (en) * 1992-09-04 1998-09-29 Daiwa Seiko, Inc. Spinning reel for fishing comprising rotational balancing weights

Also Published As

Publication number Publication date
JPS5541564B2 (en) 1980-10-24

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