JPS5250677A - Directional variable antenna - Google Patents

Directional variable antenna

Info

Publication number
JPS5250677A
JPS5250677A JP12644275A JP12644275A JPS5250677A JP S5250677 A JPS5250677 A JP S5250677A JP 12644275 A JP12644275 A JP 12644275A JP 12644275 A JP12644275 A JP 12644275A JP S5250677 A JPS5250677 A JP S5250677A
Authority
JP
Japan
Prior art keywords
variable antenna
directional variable
addition
directional
rid
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
JP12644275A
Other languages
Japanese (ja)
Other versions
JPS5729081B2 (en
Inventor
Rikuo Fujita
Akira Takahashi
Koichi Yamaguchi
Yukio Endo
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.)
Yagi Antenna Co Ltd
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Yagi Antenna Co Ltd
Japan Broadcasting 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 Hoso Kyokai NHK, Yagi Antenna Co Ltd, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP12644275A priority Critical patent/JPS5250677A/en
Publication of JPS5250677A publication Critical patent/JPS5250677A/en
Publication of JPS5729081B2 publication Critical patent/JPS5729081B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2617—Array of identical elements
    • H01Q3/2623—Array of identical elements composed of two antennas

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

PURPOSE:To get rid of the interference wave constituent in the receiving output signal, by forming the signals of addition and difference of more than 2 sets of antennas, and synthesizing with the addition signal after having made an inversion of polarity and a variation of amplitude.
JP12644275A 1975-10-22 1975-10-22 Directional variable antenna Granted JPS5250677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12644275A JPS5250677A (en) 1975-10-22 1975-10-22 Directional variable antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12644275A JPS5250677A (en) 1975-10-22 1975-10-22 Directional variable antenna

Publications (2)

Publication Number Publication Date
JPS5250677A true JPS5250677A (en) 1977-04-22
JPS5729081B2 JPS5729081B2 (en) 1982-06-21

Family

ID=14935297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12644275A Granted JPS5250677A (en) 1975-10-22 1975-10-22 Directional variable antenna

Country Status (1)

Country Link
JP (1) JPS5250677A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965788A (en) * 1982-10-08 1984-04-14 Nec Corp Timer counter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951850A (en) * 1972-09-20 1974-05-20
JPS51129157A (en) * 1975-05-06 1976-11-10 Nippon Hoso Kyokai <Nhk> Recieve system of removing interference wave

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951850A (en) * 1972-09-20 1974-05-20
JPS51129157A (en) * 1975-05-06 1976-11-10 Nippon Hoso Kyokai <Nhk> Recieve system of removing interference wave

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965788A (en) * 1982-10-08 1984-04-14 Nec Corp Timer counter
JPH0446012B2 (en) * 1982-10-08 1992-07-28 Nippon Electric Co

Also Published As

Publication number Publication date
JPS5729081B2 (en) 1982-06-21

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