DE69304596D1 - Antennenvorrichtung - Google Patents

Antennenvorrichtung

Info

Publication number
DE69304596D1
DE69304596D1 DE69304596T DE69304596T DE69304596D1 DE 69304596 D1 DE69304596 D1 DE 69304596D1 DE 69304596 T DE69304596 T DE 69304596T DE 69304596 T DE69304596 T DE 69304596T DE 69304596 D1 DE69304596 D1 DE 69304596D1
Authority
DE
Germany
Prior art keywords
antenna device
antenna
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 - Fee Related
Application number
DE69304596T
Other languages
English (en)
Other versions
DE69304596T2 (de
Inventor
Toshihiro Sezai
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.)
National Space Development Agency of Japan
Original Assignee
NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN TOKIO/TOKYO JP
National Space Development Agency of Japan
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 NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN TOKIO/TOKYO JP, National Space Development Agency of Japan filed Critical NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN TOKIO/TOKYO JP
Publication of DE69304596D1 publication Critical patent/DE69304596D1/de
Application granted granted Critical
Publication of DE69304596T2 publication Critical patent/DE69304596T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
    • H01Q21/296—Multiplicative arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
DE69304596T 1992-04-28 1993-03-25 Antennenvorrichtung Expired - Fee Related DE69304596T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4134448A JP2562763B2 (ja) 1992-04-28 1992-04-28 アンテナ装置

Publications (2)

Publication Number Publication Date
DE69304596D1 true DE69304596D1 (de) 1996-10-17
DE69304596T2 DE69304596T2 (de) 1997-01-23

Family

ID=15128591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69304596T Expired - Fee Related DE69304596T2 (de) 1992-04-28 1993-03-25 Antennenvorrichtung

Country Status (4)

Country Link
US (1) US5852420A (de)
EP (1) EP0568189B1 (de)
JP (1) JP2562763B2 (de)
DE (1) DE69304596T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2152903B1 (es) * 1999-07-30 2001-08-16 Univ Madrid Complutense Dispositivo magnetico electronico para control de sistemas de proteccion perimetral.
US10401467B2 (en) * 2015-08-25 2019-09-03 Huawei Technologies Canada Co., Ltd. System and method for estimating the direction of arrival of an electromagnetic beam

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990544A (en) * 1957-04-30 1961-06-27 Hazeltine Research Inc Radar antenna system providing improved resolution
US3154778A (en) * 1959-07-31 1964-10-27 Bendix Corp Method and apparatus for obtaining directional locating and detecting characteristics with reduced antenna size
US4888593A (en) * 1987-12-15 1989-12-19 Signal Science, Inc. Time difference of arrival geolocation method, etc.
JPH0251074A (ja) * 1988-08-12 1990-02-21 Natl Space Dev Agency Japan<Nasda> 高空間分解能マイクロ波放射計
US5021793A (en) * 1989-10-18 1991-06-04 Unisys Corporation Phased array antenna method and system for adaptively positioning nulls
US5243352A (en) * 1991-09-11 1993-09-07 National Space Development Agency Of Japan Method for processing antenna patterns
JPH0577206A (ja) * 1991-09-20 1993-03-30 Yamaha Corp 突板及びその製造方法

Also Published As

Publication number Publication date
EP0568189A2 (de) 1993-11-03
EP0568189B1 (de) 1996-09-11
JP2562763B2 (ja) 1996-12-11
US5852420A (en) 1998-12-22
JPH05308217A (ja) 1993-11-19
DE69304596T2 (de) 1997-01-23
EP0568189A3 (en) 1993-12-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NATIONAL SPACE DEVELOPMENT AGENCY OF JAPAN, TSUKUB

8339 Ceased/non-payment of the annual fee