GB535127A - Improvements in or relating to antenna circuit modulation systems - Google Patents

Improvements in or relating to antenna circuit modulation systems

Info

Publication number
GB535127A
GB535127A GB33062/39A GB3306239A GB535127A GB 535127 A GB535127 A GB 535127A GB 33062/39 A GB33062/39 A GB 33062/39A GB 3306239 A GB3306239 A GB 3306239A GB 535127 A GB535127 A GB 535127A
Authority
GB
United Kingdom
Prior art keywords
carrier
signal
aerial
source
field
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
GB33062/39A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB535127A publication Critical patent/GB535127A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB33062/39A 1938-12-30 1939-12-29 Improvements in or relating to antenna circuit modulation systems Expired GB535127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US535127XA 1938-12-30 1938-12-30

Publications (1)

Publication Number Publication Date
GB535127A true GB535127A (en) 1941-03-28

Family

ID=21984794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33062/39A Expired GB535127A (en) 1938-12-30 1939-12-29 Improvements in or relating to antenna circuit modulation systems

Country Status (2)

Country Link
GB (1) GB535127A (forum.php)
NL (1) NL62097C (forum.php)

Also Published As

Publication number Publication date
NL62097C (forum.php)

Similar Documents

Publication Publication Date Title
US2253958A (en) Rotating radio beacon
GB527666A (en) Improvements in or relating to modulated carrier wave signalling systems
US3181159A (en) Omnidirectional bearing system
GB594532A (en) Improvement in omnidirectional radio navigation-aiding systems
US2129004A (en) Radio signaling
US2273161A (en) Polarized wave modulation by phase variation
US2414431A (en) Radio beacon
US2357439A (en) Radio communication by means of polarization modulation
US2433351A (en) Radio beacon
US2317071A (en) Antenna circuit modulation system
GB535127A (en) Improvements in or relating to antenna circuit modulation systems
US2420605A (en) Frequency modulated rotating radio beacon
GB1003317A (en) Radio navigational system
GB814632A (en) Improvements in or relating to amplitude modulated carrier wave transmitters
GB535396A (en) Improvements in radio transmitters
GB467013A (en) Improvements in or relating to directional radio systems
US2551828A (en) Radio beacon
GB734625A (en) Improvements relating to speaking radio beacons
GB700601A (en) Localiser beacon system
GB1327121A (en) Electronic technique for an all-electronic cylindrical array beacon antenna
US2098373A (en) Antenna circuit modulation
US2498732A (en) Radio navigation system
US2685688A (en) Null type glide path system
GB609191A (en) Radio beacon system
GB385521A (en) Improvements in or relating to radio direction finding apparatus