NL93299C - - Google Patents

Info

Publication number
NL93299C
NL93299C NL93299DA NL93299C NL 93299 C NL93299 C NL 93299C NL 93299D A NL93299D A NL 93299DA NL 93299 C NL93299 C NL 93299C
Authority
NL
Netherlands
Application number
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.)
Publication of NL93299C publication Critical patent/NL93299C/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
    • 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
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL93299D 1951-10-29 NL93299C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB314679X 1951-10-29

Publications (1)

Publication Number Publication Date
NL93299C true NL93299C (xx)

Family

ID=10323528

Family Applications (1)

Application Number Title Priority Date Filing Date
NL93299D NL93299C (xx) 1951-10-29

Country Status (6)

Country Link
US (1) US2717379A (xx)
BE (1) BE515175A (xx)
CH (1) CH314679A (xx)
DE (1) DE962988C (xx)
GB (1) GB694549A (xx)
NL (1) NL93299C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938208A (en) * 1955-01-05 1960-05-24 Itt Omnirange beacon antenna having rotating parasitic conductive elements
US2973514A (en) * 1955-11-04 1961-02-28 Alford Andrew Parallel plate transmission line antenna
US2912688A (en) * 1957-06-18 1959-11-10 Itt Test set
DE2842692A1 (de) * 1978-09-30 1980-04-10 Licentia Gmbh Peilverfahren fuer einkanal-peilsystem
JPH03205901A (ja) * 1989-10-26 1991-09-09 Toshiba Corp 電気機械装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2297395A (en) * 1936-05-14 1942-09-29 Erben Dietrich Radio direction finding system
US2279466A (en) * 1938-09-20 1942-04-14 Telefunken Gmbh Radio direction finder
FR890823A (fr) * 1941-07-24 1944-02-18 Fides Gmbh Perfectionnements aux dispositifs de guidage des véhicules et, en particulier, des avions, au moyen d'impulsions
NL63005C (xx) * 1943-04-12
US2572041A (en) * 1947-10-29 1951-10-23 Sperry Corp Selective azimuth signaling system
US2564703A (en) * 1947-10-29 1951-08-21 Sperry Corp Omni-azimuth guidance system
US2565506A (en) * 1949-07-26 1951-08-28 Sperry Corp Omnidirectional radio range system

Also Published As

Publication number Publication date
US2717379A (en) 1955-09-06
CH314679A (de) 1956-06-30
BE515175A (xx)
GB694549A (en) 1953-07-22
DE962988C (de) 1957-05-02

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