GB642368A - Improvements in or relating to radio navigation systems - Google Patents

Improvements in or relating to radio navigation systems

Info

Publication number
GB642368A
GB642368A GB2498746A GB2498746A GB642368A GB 642368 A GB642368 A GB 642368A GB 2498746 A GB2498746 A GB 2498746A GB 2498746 A GB2498746 A GB 2498746A GB 642368 A GB642368 A GB 642368A
Authority
GB
United Kingdom
Prior art keywords
signals
phase
transmitter
frequency
frequencies
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
GB2498746A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 to NL89621D priority Critical patent/NL89621C/xx
Priority to NL70479D priority patent/NL70479C/xx
Priority to NL717107661A priority patent/NL147239B/xx
Priority to BE471789D priority patent/BE471789A/xx
Priority to US613002A priority patent/US2440755A/en
Priority to GB1663449A priority patent/GB642398A/en
Application filed by Individual filed Critical Individual
Priority to GB2498746A priority patent/GB642368A/en
Priority to GB1663649A priority patent/GB642400A/en
Priority to GB1663549A priority patent/GB642399A/en
Priority to FR950066D priority patent/FR950066A/fr
Publication of GB642368A publication Critical patent/GB642368A/en
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)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Manipulation Of Pulses (AREA)
GB2498746A 1945-08-27 1946-08-21 Improvements in or relating to radio navigation systems Expired GB642368A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL89621D NL89621C (OSRAM) 1946-08-21
NL70479D NL70479C (OSRAM) 1946-08-21
NL717107661A NL147239B (nl) 1946-08-21 Pulsatiedemper met blaas.
BE471789D BE471789A (OSRAM) 1946-08-21
US613002A US2440755A (en) 1945-08-27 1945-08-27 Radio-frequency navigation system
GB1663449A GB642398A (en) 1946-08-21 1946-08-21 Improvements in or relating to receiving apparatus for radio navigation systems
GB2498746A GB642368A (en) 1946-08-21 1946-08-21 Improvements in or relating to radio navigation systems
GB1663649A GB642400A (en) 1946-08-21 1946-08-21 Improvements in or relating to receiving apparatus for radio navigation systems
GB1663549A GB642399A (en) 1946-08-21 1946-08-21 Improvements in or relating to radio navigation systems
FR950066D FR950066A (fr) 1946-08-21 1947-07-24 Perfectionnements aux systèmes radioélectriques indicateurs de direction

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
GB642368A true GB642368A (en) 1950-08-30

Family

ID=10220377

Family Applications (4)

Application Number Title Priority Date Filing Date
GB1663649A Expired GB642400A (en) 1946-08-21 1946-08-21 Improvements in or relating to receiving apparatus for radio navigation systems
GB1663449A Expired GB642398A (en) 1946-08-21 1946-08-21 Improvements in or relating to receiving apparatus for radio navigation systems
GB2498746A Expired GB642368A (en) 1945-08-27 1946-08-21 Improvements in or relating to radio navigation systems
GB1663549A Expired GB642399A (en) 1946-08-21 1946-08-21 Improvements in or relating to radio navigation systems

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB1663649A Expired GB642400A (en) 1946-08-21 1946-08-21 Improvements in or relating to receiving apparatus for radio navigation systems
GB1663449A Expired GB642398A (en) 1946-08-21 1946-08-21 Improvements in or relating to receiving apparatus for radio navigation systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1663549A Expired GB642399A (en) 1946-08-21 1946-08-21 Improvements in or relating to radio navigation systems

Country Status (4)

Country Link
BE (1) BE471789A (OSRAM)
FR (1) FR950066A (OSRAM)
GB (4) GB642400A (OSRAM)
NL (3) NL89621C (OSRAM)

Also Published As

Publication number Publication date
NL70479C (OSRAM)
BE471789A (OSRAM)
GB642400A (en) 1950-08-30
NL147239B (nl)
GB642399A (en) 1950-08-30
NL89621C (OSRAM)
FR950066A (fr) 1949-09-16
GB642398A (en) 1950-08-30

Similar Documents

Publication Publication Date Title
US3230453A (en) System for maintaining fixed phase between a pair of remotely located stations
GB1104861A (en) Improvements in or relating to aircraft radio landing aids
GB620508A (en) Improvements in or relating to multiple channel radio receivers
GB630867A (en) Improvements in or relating to radio position-indicating systems
GB357640A (en) Improvements in or relating to radio direction finding systems
GB642368A (en) Improvements in or relating to radio navigation systems
GB630435A (en) Improvements in or relating to radio navigational systems
US3303499A (en) Radio location ranging system
GB798405A (en) Radio transmitter-receiver tuning system
GB630877A (en) Improvements in or relating to means for identifying areas or lanes in a radio navigational system
US2593485A (en) Localizer beacon system
GB663775A (en) Radio position determining system
US2483557A (en) Radio beacon system
US2480875A (en) Navigation system
GB635001A (en) Improvements in or relating to radio navigational systems
US3465341A (en) Receivers for phase comparison radio navigation systems
GB671037A (en) Improvements in or relating to distance-difference-measuring systems employing electro-magnetic waves
US3346860A (en) Radio navigation system
GB626870A (en) Improvements in or relating to receiving apparatus for radio beacon systems
US3465340A (en) Hyperbolic radio navigation systems of the phase comparison type
GB638008A (en) Improvements in and relating to navigational systems employing continuous radio waves
GB978112A (en) Improvements in or relating to radio navigational systems
GB620479A (en) Improvements in or relating to radio navigation systems
US2892189A (en) Radio guidance system
GB628396A (en) Improvements in or relating to radio beacon systems of the equi-phase displacement type