FR950066A - Perfectionnements aux systèmes radioélectriques indicateurs de direction - Google Patents

Perfectionnements aux systèmes radioélectriques indicateurs de direction

Info

Publication number
FR950066A
FR950066A FR950066DA FR950066A FR 950066 A FR950066 A FR 950066A FR 950066D A FR950066D A FR 950066DA FR 950066 A FR950066 A FR 950066A
Authority
FR
France
Prior art keywords
direction indicator
radio systems
indicator radio
systems
radio
Prior art date
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
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Decca Record Co Ltd
Original Assignee
Decca Record Co Ltd
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 by Decca Record Co Ltd filed Critical Decca Record Co Ltd
Application granted granted Critical
Publication of FR950066A publication Critical patent/FR950066A/fr
Expired legal-status Critical Current

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
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Eye Examination Apparatus (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Manipulation Of Pulses (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
FR950066D 1946-08-21 1947-07-24 Perfectionnements aux systèmes radioélectriques indicateurs de direction Expired FR950066A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2498746A GB642368A (en) 1946-08-21 1946-08-21 Improvements in or relating to radio navigation systems

Publications (1)

Publication Number Publication Date
FR950066A true FR950066A (fr) 1949-09-16

Family

ID=10220377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950066D Expired FR950066A (fr) 1946-08-21 1947-07-24 Perfectionnements aux systèmes radioélectriques indicateurs de direction

Country Status (4)

Country Link
BE (1) BE471789A (de)
FR (1) FR950066A (de)
GB (4) GB642399A (de)
NL (3) NL89621C (de)

Also Published As

Publication number Publication date
NL89621C (de)
BE471789A (de)
GB642398A (en) 1950-08-30
GB642368A (en) 1950-08-30
GB642399A (en) 1950-08-30
NL70479C (de)
NL147239B (nl)
GB642400A (en) 1950-08-30

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