NL6803578A - - Google Patents

Info

Publication number
NL6803578A
NL6803578A NL6803578A NL6803578A NL6803578A NL 6803578 A NL6803578 A NL 6803578A NL 6803578 A NL6803578 A NL 6803578A NL 6803578 A NL6803578 A NL 6803578A NL 6803578 A NL6803578 A NL 6803578A
Authority
NL
Netherlands
Application number
NL6803578A
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 NL6803578A publication Critical patent/NL6803578A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/004Antennas or antenna systems providing at least two radiating patterns providing two or four symmetrical beams for Janus application
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/04Coffee-making apparatus with rising pipes
    • A47J31/053Coffee-making apparatus with rising pipes with repeated circulation of the extract through the filter
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/585Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
    • G01S13/586Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using, or combined with, frequency tracking means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/60Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4004Means for monitoring or calibrating of parts of a radar system
    • G01S7/4026Antenna boresight

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Food Science & Technology (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
NL6803578A 1959-10-07 1968-03-13 NL6803578A ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US845034A US3185981A (en) 1959-10-07 1959-10-07 Doppler navigation system

Publications (1)

Publication Number Publication Date
NL6803578A true NL6803578A ( ) 1968-06-25

Family

ID=25294248

Family Applications (4)

Application Number Title Priority Date Filing Date
NL135900D NL135900C ( ) 1959-10-07
NL256566D NL256566A ( ) 1959-10-07
NL6803579A NL6803579A ( ) 1959-10-07 1968-03-13
NL6803578A NL6803578A ( ) 1959-10-07 1968-03-13

Family Applications Before (3)

Application Number Title Priority Date Filing Date
NL135900D NL135900C ( ) 1959-10-07
NL256566D NL256566A ( ) 1959-10-07
NL6803579A NL6803579A ( ) 1959-10-07 1968-03-13

Country Status (7)

Country Link
US (1) US3185981A ( )
BE (1) BE595658A ( )
CH (1) CH402087A ( )
DE (1) DE1257900B ( )
ES (1) ES261370A1 ( )
GB (1) GB949681A ( )
NL (4) NL6803579A ( )

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167735A (en) * 1978-08-18 1979-09-11 The United States Of America As Represented By The Secretary Of The Navy Aircraft orientation determining means
EP0316471B1 (de) * 1987-11-17 1993-07-28 LITEF GmbH Verfahren zur Erhöhung der Fehlererkennung bei der Geschwindigkeitsmessung von Fluggeräten mittels Doppler-Radar
US7116728B2 (en) * 2001-05-25 2006-10-03 Matsushita Electric Industrial Co., Ltd. Quadrature alignment in communications receivers using dual delay lines
FR2886022B1 (fr) * 2005-05-18 2007-06-22 Agence Spatiale Europeenne Procede pour l'etablissement d'images cartographiques de vecteurs de vitesses de courants marins de surface et systeme de radar altimetrique mettant en oeuvre le procede
JP2006337025A (ja) * 2005-05-31 2006-12-14 Hitachi Ltd 絶対速度計測装置
US7650232B1 (en) * 2005-09-22 2010-01-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration (Nasa) Trajectory specification for high capacity air traffic control
FR2984577B1 (fr) * 2011-12-16 2014-12-05 Thales Sa Systeme d'assistance au pilotage d'un aeronef, notamment d'aide a l'atterrissage, a l'appontage et a la navigation
CN109716589B (zh) * 2017-02-10 2020-12-15 华为技术有限公司 一种天线阵列及通信设备
US10084625B2 (en) * 2017-02-18 2018-09-25 Orest Fedan Miniature wireless communication system
KR20200107380A (ko) * 2019-03-07 2020-09-16 주식회사 만도 레이더 장치, 레이더 장치의 제어 방법 및 레이더 장치를 이용한 감지 시스템
RU209855U1 (ru) * 2021-09-16 2022-03-23 Михаил Алексеевич Бойко Доплеровский измеритель скорости и угла сноса с линейно-частотной модуляцией
GB2621145A (en) * 2022-08-02 2024-02-07 Int Electric Company A phase multiplication circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1948209A (en) * 1931-10-05 1934-02-20 Fichandler Carl Magnetoresistive system and apparatus
NL60724C ( ) * 1939-06-24
GB589136A (en) * 1943-06-05 1947-06-12 Western Electric Co Improvements in or relating to directive radio systems
US2744683A (en) * 1949-12-16 1956-05-08 Gen Precision Lab Inc Navigational resolver-integrator
GB742511A (en) * 1953-08-13 1955-12-30 Kelvin & Hughes Ltd Improvements in and relating to the measurement of the speed or distance of travel of vehicles by radio means
NL216196A ( ) * 1956-04-14
US2866190A (en) * 1956-06-01 1958-12-23 Gen Precision Lab Inc Microwave frequency control
US2982956A (en) * 1956-09-10 1961-05-02 Lab For Electronics Inc Radar system
US2923000A (en) * 1956-12-31 1960-01-26 Gen Precision Lab Inc Microwave system for velocity measurements
US2949603A (en) * 1957-02-18 1960-08-16 Gen Dynamies Corp Relative distance and movement indicator
US3011110A (en) * 1957-05-27 1961-11-28 Command pulse sign
US2911641A (en) * 1957-12-13 1959-11-03 Hans W Kohler Electronic direction sensitive doppler device
US3023407A (en) * 1959-05-18 1962-02-27 Gen Precision Inc Doppler system land-water detector
US2981944A (en) * 1960-12-06 1961-04-25 Gen Precision Inc Microwave navigation system

Also Published As

Publication number Publication date
GB949681A (en) 1964-02-19
BE595658A (fr) 1961-02-01
ES261370A1 (es) 1960-12-16
NL135900C ( )
DE1257900B (de) 1968-01-04
NL256566A ( )
US3185981A (en) 1965-05-25
CH402087A (fr) 1965-11-15
NL6803579A ( ) 1968-06-25

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