NL7404187A - - Google Patents

Info

Publication number
NL7404187A
NL7404187A NL7404187A NL7404187A NL7404187A NL 7404187 A NL7404187 A NL 7404187A NL 7404187 A NL7404187 A NL 7404187A NL 7404187 A NL7404187 A NL 7404187A NL 7404187 A NL7404187 A NL 7404187A
Authority
NL
Netherlands
Application number
NL7404187A
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 NL7404187A publication Critical patent/NL7404187A/xx

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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
    • G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL7404187A 1973-04-03 1974-03-27 NL7404187A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US347505A US3881178A (en) 1973-04-03 1973-04-03 Antenna system for radiating multiple planar beams

Publications (1)

Publication Number Publication Date
NL7404187A true NL7404187A (cs) 1974-10-07

Family

ID=23363971

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7404187A NL7404187A (cs) 1973-04-03 1974-03-27

Country Status (14)

Country Link
US (1) US3881178A (cs)
JP (2) JPS49131359A (cs)
BR (1) BR7402610D0 (cs)
CA (1) CA991742A (cs)
CS (1) CS187412B2 (cs)
DD (1) DD110956A5 (cs)
DE (1) DE2415020A1 (cs)
FR (1) FR2224888B1 (cs)
GB (1) GB1425142A (cs)
IL (1) IL44496A (cs)
IT (1) IT1010886B (cs)
NL (1) NL7404187A (cs)
PL (1) PL94574B1 (cs)
SE (1) SE394924B (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041501A (en) * 1975-07-10 1977-08-09 Hazeltine Corporation Limited scan array antenna systems with sharp cutoff of element pattern
DE2632615C3 (de) * 1976-07-20 1979-08-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Satelliten-Nachrichtenübertragungssystem
US4439773A (en) * 1982-01-11 1984-03-27 Bell Telephone Laboratories, Incorporated Compact scanning beam antenna feed arrangement
US4482897A (en) * 1982-06-28 1984-11-13 At&T Bell Laboratories Multibeam segmented reflector antennas
JPS59174830U (ja) * 1983-05-11 1984-11-22 福山　隆吉 温灸器
ES1008936Y (es) * 1989-01-31 1989-12-16 Televes S.A. Soporte para alimentadores de antenas parabolicas de recepcion multisatelite.
FR2681982B1 (fr) * 1991-09-26 1993-11-19 Alcatel Espace Antenne a balayage electronique.
FR2719948B1 (fr) * 1994-05-10 1996-07-19 Dassault Electronique Antenne multi-faisceaux pour la réception de micro-ondes émanant de plusieurs satellites.
US5995056A (en) * 1997-09-18 1999-11-30 United States Of America As Represented By The Secretary Of The Navy Wide band tem fed phased array reflector antenna
EP1014484B1 (en) * 1998-12-24 2003-05-02 Murata Manufacturing Co., Ltd. Antenna with displaceable radiator and dielectric lens
US6208312B1 (en) * 2000-03-15 2001-03-27 Harry J. Gould Multi-feed multi-band antenna
FI20070774A7 (fi) * 2007-10-16 2009-04-17 Teknillinen Korkeakoulu Heijastukseton linssi
DE102008011350A1 (de) * 2008-02-27 2009-09-03 Loeffler Technology Gmbh Vorrichtung und Verfahren zur Echtzeiterfassung von elektromagnetischer THz-Strahlung
US8558734B1 (en) * 2009-07-22 2013-10-15 Gregory Hubert Piesinger Three dimensional radar antenna method and apparatus
RU2688949C1 (ru) 2018-08-24 2019-05-23 Самсунг Электроникс Ко., Лтд. Антенна миллиметрового диапазона и способ управления антенной

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437281A (en) * 1944-07-19 1948-03-09 Sperry Corp High-frequency radiant energy apparatus
NL83707C (cs) * 1948-12-29
US3016531A (en) * 1955-03-14 1962-01-09 Sperry Rand Corp Antenna distribution system
US3267472A (en) * 1960-07-20 1966-08-16 Litton Systems Inc Variable aperture antenna system
US3170158A (en) * 1963-05-08 1965-02-16 Rotman Walter Multiple beam radar antenna system
US3317912A (en) * 1963-07-29 1967-05-02 Kenneth S Kelleher Plural concentric parabolic antenna for omnidirectional coverage
US3341151A (en) * 1965-07-23 1967-09-12 Kampinsky Abe Apparatus providing a directive field pattern and attitude sensing of a spin stabilized satellite
FR1460030A (fr) * 1965-10-14 1966-06-17 Thomson Houston Comp Francaise Perfectionnements aux antennes à balayage électronique
US3414904A (en) * 1966-05-16 1968-12-03 Hughes Aircraft Co Multiple reflector antenna
US3406401A (en) * 1966-08-25 1968-10-15 Bell Telephone Labor Inc Communication satellite system
US3775769A (en) * 1971-10-04 1973-11-27 Raytheon Co Phased array system

Also Published As

Publication number Publication date
US3881178A (en) 1975-04-29
FR2224888A1 (cs) 1974-10-31
CA991742A (en) 1976-06-22
DD110956A5 (cs) 1975-01-12
SE394924B (sv) 1977-07-18
FR2224888B1 (cs) 1980-04-25
IL44496A (en) 1976-10-31
BR7402610D0 (pt) 1974-11-05
CS187412B2 (en) 1979-01-31
JPS49131359A (cs) 1974-12-17
PL94574B1 (pl) 1977-08-31
IT1010886B (it) 1977-01-20
GB1425142A (en) 1976-02-18
JPS586410U (ja) 1983-01-17
DE2415020A1 (de) 1974-10-17
IL44496A0 (en) 1974-06-30
AU6569074A (en) 1975-08-21

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed