GB1325955A - High frequency directional apparatus - Google Patents

High frequency directional apparatus

Info

Publication number
GB1325955A
GB1325955A GB1878171*[A GB1878171A GB1325955A GB 1325955 A GB1325955 A GB 1325955A GB 1878171 A GB1878171 A GB 1878171A GB 1325955 A GB1325955 A GB 1325955A
Authority
GB
United Kingdom
Prior art keywords
oscillator
frequency
signal
phase
aerial
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
Application number
GB1878171*[A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to JP12075172A priority Critical patent/JPS4875900A/ja
Publication of GB1325955A publication Critical patent/GB1325955A/en
Expired 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically
    • 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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/42—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 varying the relative phase between the radiating elements of an array by electrical means using frequency-mixing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Radio Relay Systems (AREA)
GB1878171*[A 1970-06-09 1972-04-22 High frequency directional apparatus Expired GB1325955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12075172A JPS4875900A (enExample) 1971-12-04 1972-12-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4471570A 1970-06-09 1970-06-09

Publications (1)

Publication Number Publication Date
GB1325955A true GB1325955A (en) 1973-08-08

Family

ID=21933924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1878171*[A Expired GB1325955A (en) 1970-06-09 1972-04-22 High frequency directional apparatus

Country Status (7)

Country Link
US (1) US3680108A (enExample)
JP (1) JPS5543284B1 (enExample)
BE (1) BE768190A (enExample)
DE (1) DE2128082A1 (enExample)
FR (1) FR2094144B1 (enExample)
GB (1) GB1325955A (enExample)
SE (1) SE363432B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2360635A (en) * 1998-02-24 2001-09-26 Univ Belfast Retroreceive antenna
GB2524529A (en) * 2014-03-25 2015-09-30 Univ Belfast Tracking antenna system
EP2302853A3 (en) * 2009-09-29 2016-07-06 Sony Corporation Wireless communication device, wireless transmission system and wireless transmission method

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0700116A3 (en) * 1994-08-29 1998-01-07 Atr Optical And Radio Communications Research Laboratories Apparatus and method for controlling array antenna comprising a plurality of antenna elements with improved incoming beam tracking
CN1086847C (zh) * 1994-09-14 2002-06-26 皇家菲利浦电子有限公司 无线电接收设备
US20060262013A1 (en) * 2005-05-18 2006-11-23 Shiroma Grant S Full-duplex dual-frequency self-steering array using phase detection & phase shifting
US8446997B2 (en) * 2009-07-02 2013-05-21 Agilent Technologies, Inc. Apparatus and method for reducing third-order intermodulation distortion
GB2478960B (en) * 2010-03-25 2012-08-22 Guidance Ip Ltd An apparatus for measuring the relative direction of a radio signal
TWI671950B (zh) * 2017-07-07 2019-09-11 National Sun Yat-Sen University 主動式相位切換陣列

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036210A (en) * 1959-11-02 1962-05-22 Space General Corp Electronically scanning antenna empolying plural phase-locked loops to produce optimum directivity
US3394374A (en) * 1961-08-11 1968-07-23 Packard Bell Electronics Corp Retrodirective antenna array
US3175216A (en) * 1962-08-28 1965-03-23 Bell Telephone Labor Inc Communication station employing antenna array
US3300782A (en) * 1963-07-08 1967-01-24 Electronic Specialty Co Comunications repeater system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2360635A (en) * 1998-02-24 2001-09-26 Univ Belfast Retroreceive antenna
GB2360635B (en) * 1998-02-24 2002-06-26 Univ Belfast Retroreceive antenna
EP2302853A3 (en) * 2009-09-29 2016-07-06 Sony Corporation Wireless communication device, wireless transmission system and wireless transmission method
GB2524529A (en) * 2014-03-25 2015-09-30 Univ Belfast Tracking antenna system
WO2015144707A1 (en) * 2014-03-25 2015-10-01 The Queen's University Of Belfast Tracking antenna system

Also Published As

Publication number Publication date
BE768190A (fr) 1971-11-03
SE363432B (enExample) 1974-01-14
JPS5543284B1 (enExample) 1980-11-05
FR2094144B1 (enExample) 1977-01-21
DE2128082A1 (de) 1971-12-16
US3680108A (en) 1972-07-25
FR2094144A1 (enExample) 1972-02-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee