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JPS5224369B2 - - Google Patents

Info

Publication number
JPS5224369B2
JPS5224369B2 JP48041489A JP4148973A JPS5224369B2 JP S5224369 B2 JPS5224369 B2 JP S5224369B2 JP 48041489 A JP48041489 A JP 48041489A JP 4148973 A JP4148973 A JP 4148973A JP S5224369 B2 JPS5224369 B2 JP S5224369B2
Authority
JP
Japan
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
JP48041489A
Other versions
JPS4921045A (ja
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 filed Critical
Publication of JPS4921045A publication Critical patent/JPS4921045A/ja
Publication of JPS5224369B2 publication Critical patent/JPS5224369B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/44—Monopulse radar, i.e. simultaneous lobing
    • G01S13/4409—HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Waveguide Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP48041489A 1972-04-14 1973-04-13 Expired JPS5224369B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00244158A US3803617A (en) 1972-04-14 1972-04-14 High efficiency multifrequency feed

Publications (2)

Publication Number Publication Date
JPS4921045A JPS4921045A (ja) 1974-02-25
JPS5224369B2 true JPS5224369B2 (ja) 1977-06-30

Family

ID=22921594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48041489A Expired JPS5224369B2 (ja) 1972-04-14 1973-04-13

Country Status (8)

Country Link
US (1) US3803617A (ja)
JP (1) JPS5224369B2 (ja)
BR (1) BR7302624D0 (ja)
CA (1) CA977047A (ja)
DE (1) DE2316842C3 (ja)
FR (1) FR2180114B1 (ja)
GB (1) GB1355030A (ja)
IT (1) IT988143B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816602Y2 (ja) * 1978-03-16 1983-04-04 シャープ株式会社 空気調和装置

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1555307A (en) * 1975-06-17 1979-11-07 Marconi Co Ltd Dipole radiotors
US4028708A (en) * 1975-10-10 1977-06-07 The United States Of America As Represented By The Secretary Of The Navy Antenna feed for dual beam conical scan tracking radar
FR2391570A1 (fr) * 1977-05-18 1978-12-15 Thomson Csf Dispositif de correction du rayonnement des aeriens multifrequences et aeriens comportant un tel dispositif
FR2442519A1 (fr) * 1978-11-24 1980-06-20 Thomson Csf Source primaire monopulse imprimee pour antenne de radar aeroporte et antenne comportant une telle source
US4675685A (en) * 1984-04-17 1987-06-23 Harris Corporation Low VSWR, flush-mounted, adaptive array antenna
US5003321A (en) * 1985-09-09 1991-03-26 Sts Enterprises, Inc. Dual frequency feed
DE3544092A1 (de) * 1985-12-13 1987-06-19 Licentia Gmbh Mehrbereichsantenne fuer den ghz-bereich
US4740795A (en) * 1986-05-28 1988-04-26 Seavey Engineering Associates, Inc. Dual frequency antenna feeding with coincident phase centers
US4843399B1 (en) * 1986-07-30 1994-04-05 Narco Avionics Inc Portable navigational communications transceiver
US5041840A (en) * 1987-04-13 1991-08-20 Frank Cipolla Multiple frequency antenna feed
US5255003B1 (en) * 1987-10-02 1995-05-16 Antenna Downlink Inc Multiple-frequency microwave feed assembly
US4862187A (en) * 1988-10-24 1989-08-29 Microwave Components And Systems, Inc. Dual band feedhorn with two different dipole sets
US5038151A (en) * 1989-07-31 1991-08-06 Loral Aerospace Corp. Simultaneous transmit and receive antenna
DE19608622A1 (de) * 1996-03-06 1997-09-11 Sel Alcatel Ag Antennenanordnung und Sende- und Empfangsanlage damit
US5990838A (en) * 1996-06-12 1999-11-23 3Com Corporation Dual orthogonal monopole antenna system
US6121939A (en) 1996-11-15 2000-09-19 Yagi Antenna Co., Ltd. Multibeam antenna
FR2760131B1 (fr) * 1997-02-24 1999-03-26 Alsthom Cge Alcatel Ensemble d'antennes concentriques pour des ondes hyperfrequences
FR2773271B1 (fr) * 1997-12-31 2000-02-25 Thomson Multimedia Sa Emetteur/recepteur d'ondes electromagnetiques
US6297782B1 (en) * 2000-07-26 2001-10-02 Gabriel Electronics Incorporated Modular hub array antenna
CN103700924B (zh) * 2013-12-05 2015-07-15 清华大学 圆极化角度分集天线
CN107946746B (zh) * 2017-10-16 2019-11-22 西安雷通科技有限责任公司 Uhf/s双频段卫星通信天线及无线通信系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205499A (en) * 1956-08-30 1965-09-07 Avco Mfg Corp Dual polarized horn antenna
US3325817A (en) * 1964-06-01 1967-06-13 Hughes Aircraft Co Dual frequency horn antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816602Y2 (ja) * 1978-03-16 1983-04-04 シャープ株式会社 空気調和装置

Also Published As

Publication number Publication date
DE2316842B2 (de) 1978-05-24
FR2180114B1 (ja) 1977-02-04
DE2316842C3 (de) 1979-01-18
GB1355030A (en) 1974-06-05
JPS4921045A (ja) 1974-02-25
FR2180114A1 (ja) 1973-11-23
IT988143B (it) 1975-04-10
BR7302624D0 (pt) 1974-07-11
CA977047A (en) 1975-10-28
US3803617A (en) 1974-04-09
DE2316842A1 (de) 1973-10-18

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