NL6407076A - - Google Patents

Info

Publication number
NL6407076A
NL6407076A NL6407076A NL6407076A NL6407076A NL 6407076 A NL6407076 A NL 6407076A NL 6407076 A NL6407076 A NL 6407076A NL 6407076 A NL6407076 A NL 6407076A NL 6407076 A NL6407076 A NL 6407076A
Authority
NL
Netherlands
Application number
NL6407076A
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
Priority claimed from DEST20800A external-priority patent/DE1186117B/de
Application filed filed Critical
Publication of NL6407076A publication Critical patent/NL6407076A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL6407076A 1963-06-29 1964-06-22 NL6407076A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST20800A DE1186117B (de) 1963-06-29 1963-06-29 Dipolantenne zum Aufbau eines rueckwirkungsarmen Antennensystems fuer Doppler-Navigationsanlagen

Publications (1)

Publication Number Publication Date
NL6407076A true NL6407076A (de) 1964-12-30

Family

ID=7458711

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6407076A NL6407076A (de) 1963-06-29 1964-06-22

Country Status (5)

Country Link
US (1) US3339205A (de)
BE (1) BE649841A (de)
CH (1) CH418413A (de)
GB (1) GB1053308A (de)
NL (1) NL6407076A (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447159A (en) * 1966-06-27 1969-05-27 Sanders Associates Inc Diode bandswitch loop antenna
AU424419B2 (en) * 1967-07-21 1972-05-22 Standard Telephones And Cables Pty. Limited Improvements in wideband antenna arrays
US3707681A (en) * 1970-03-24 1972-12-26 Jfd Electronics Corp Miniature tv antenna
DE2613107C2 (de) * 1976-03-26 1982-10-21 Gerhard Prof. Dr.-Ing. 8012 Ottobrunn Flachenecker Peiler zur Messung der Einfallsrichtung einer elektromagnetischen Welle
DE3027451A1 (de) * 1980-07-19 1982-02-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Antennenanordnung mit mehreren antennen
GB8316510D0 (en) * 1983-06-17 1983-07-20 Hately M C Antenna
US4789869A (en) * 1987-06-08 1988-12-06 The Narda Microwave Corporation Dipole antenna for monitoring electromagnetic waves over an extended frequency range
FR2651379A1 (fr) * 1989-08-31 1991-03-01 Pizon Ernest Antenne receptrice pour vehicule automobile.
NL8902812A (nl) * 1989-11-14 1991-06-03 Tno Zelfafstembare hoogfrequente antenne.
US5027128A (en) * 1990-01-18 1991-06-25 Blaese Herbert R Inside window antenna
US5367310A (en) * 1991-10-11 1994-11-22 Southwest Research Institute Fiber optic antenna radiation efficiency tuner
US5541614A (en) * 1995-04-04 1996-07-30 Hughes Aircraft Company Smart antenna system using microelectromechanically tunable dipole antennas and photonic bandgap materials
US5892482A (en) * 1996-12-06 1999-04-06 Raytheon Company Antenna mutual coupling neutralizer
US5943223A (en) * 1997-10-15 1999-08-24 Reliance Electric Industrial Company Electric switches for reducing on-state power loss
WO1999021247A1 (en) * 1997-10-17 1999-04-29 Rangestar International Corporation Directional antenna assembly for vehicular use
TWI279030B (en) * 2004-06-21 2007-04-11 Accton Technology Corp Antenna and antenna array
US7345651B2 (en) * 2005-04-21 2008-03-18 Matsushita Electric Industrial Co., Ltd. Antenna
US8928541B2 (en) * 2008-03-05 2015-01-06 Ethertronics, Inc. Active MIMO antenna configuration for maximizing throughput in mobile devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL46871C (de) * 1936-01-14
US2709219A (en) * 1951-11-20 1955-05-24 Du Mont Allen B Lab Inc High-frequency transformer and circuit

Also Published As

Publication number Publication date
GB1053308A (de) 1900-01-01
US3339205A (en) 1967-08-29
BE649841A (de) 1964-12-29
CH418413A (de) 1966-08-15

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