IL49090A - Electronic switching arrangement for a homing and traffic radio system - Google Patents

Electronic switching arrangement for a homing and traffic radio system

Info

Publication number
IL49090A
IL49090A IL49090A IL4909076A IL49090A IL 49090 A IL49090 A IL 49090A IL 49090 A IL49090 A IL 49090A IL 4909076 A IL4909076 A IL 4909076A IL 49090 A IL49090 A IL 49090A
Authority
IL
Israel
Prior art keywords
switching
phase
input
terminal
output
Prior art date
Application number
IL49090A
Other languages
English (en)
Other versions
IL49090A0 (en
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of IL49090A0 publication Critical patent/IL49090A0/xx
Publication of IL49090A publication Critical patent/IL49090A/en

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
    • H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • 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
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
    • G01S3/18—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived directly from separate directional antennas

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)
  • Radio Relay Systems (AREA)
IL49090A 1975-03-11 1976-02-23 Electronic switching arrangement for a homing and traffic radio system IL49090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7507521A FR2304190A1 (fr) 1975-03-11 1975-03-11 Dispositif de commutation electronique d'antennes et systemes comportant un tel dispositif

Publications (2)

Publication Number Publication Date
IL49090A0 IL49090A0 (en) 1976-06-30
IL49090A true IL49090A (en) 1977-12-30

Family

ID=9152388

Family Applications (1)

Application Number Title Priority Date Filing Date
IL49090A IL49090A (en) 1975-03-11 1976-02-23 Electronic switching arrangement for a homing and traffic radio system

Country Status (5)

Country Link
US (1) US4028624A (nl)
FR (1) FR2304190A1 (nl)
GB (1) GB1495492A (nl)
IL (1) IL49090A (nl)
NL (1) NL7602551A (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4438437A (en) * 1981-09-14 1984-03-20 Hazeltine Corporation Dual mode blade antenna
FR2617981B1 (fr) * 1987-07-07 1989-06-09 Thomson Csf Procede et dispositif de protection contre un brouilleur dans une station radio comportant plusieurs antennes commutables et leur utilisation a la realisation de radiogoniometres
DE10012080C1 (de) * 2000-03-14 2001-10-31 Daimler Chrysler Ag Antennenarray und Verfahren zum Betrieb eines Antennenarrays
JP2005072782A (ja) 2003-08-21 2005-03-17 Sony Corp アンテナおよびそれを用いた受信装置
GB2459919B (en) * 2008-05-12 2013-02-06 Nokia Corp Integrated antenna array

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL280145A (nl) * 1961-06-26
US3329897A (en) * 1965-08-05 1967-07-04 Honeywell Inc Switching control apparatus for transceiver with linear phased array

Also Published As

Publication number Publication date
GB1495492A (en) 1977-12-21
FR2304190A1 (fr) 1976-10-08
NL7602551A (nl) 1976-09-14
US4028624A (en) 1977-06-07
FR2304190B1 (nl) 1980-06-27
IL49090A0 (en) 1976-06-30

Similar Documents

Publication Publication Date Title
US4001734A (en) π-Loop phase bit apparatus
EP0466689B1 (en) Band rejection filtering arrangement
US3982214A (en) 180° phase shifting apparatus
EP0928038B1 (en) Two-frequency switch, device using two-frequency antenna in common, and mobile radio communication equipment for two-frequency bands using the device
US3922685A (en) Antenna pattern generator and switching apparatus
US5778306A (en) Low loss high frequency transmitting/receiving switching module
KR20040048005A (ko) 가변 임피던스 매칭회로
US6150983A (en) Device for receiving and/or transmitting electromagnetic radiation
KR100848261B1 (ko) Ｒｆ 스위치 및 ｒｆ 스위치를 포함하는 장치
WO1999044307A2 (en) Antenna-gain diversity
US4028624A (en) Electronic switching arrangement for a homing and traffic radio system
JPS5843601A (ja) 受動送受切替装置
US6914558B1 (en) Variable directivity antenna apparatus and receiver system using such antenna apparatus
US2404832A (en) Switch for high-frequency electrical oscillations
US7173503B1 (en) Multibit phase shifter with active and passive phase bits, and active phase bit therefor
JPH088797A (ja) アンテナダイバーシチ回路
US2919417A (en) Ring filter circuit
JPH11298352A (ja) 受信回路
US4117488A (en) Multipurpose, multifunction antenna
KR100718000B1 (ko) 멀티레이어 구조의 쌍방향 스위치 및 이를 구비한 기지국장치
KR102691079B1 (ko) 능동형 스위치를 이용한 스위칭 방식 위상 변화기
JP2000286601A (ja) 高周波切替装置
JPH10290187A (ja) 共振型送受信アンテナ回路
JPH0215125B2 (nl)
JPH04212502A (ja) マイクロ波ダイプレクサ

Legal Events

Date Code Title Description
HC Change of name of proprietor(s)

Owner name: THALES

Free format text: FORMER NAME:THOMSON-CSF