GB604920A - Improvements in or relating to radio signalling systems particularly for radio beacons - Google Patents

Improvements in or relating to radio signalling systems particularly for radio beacons

Info

Publication number
GB604920A
GB604920A GB5512/45A GB551245A GB604920A GB 604920 A GB604920 A GB 604920A GB 5512/45 A GB5512/45 A GB 5512/45A GB 551245 A GB551245 A GB 551245A GB 604920 A GB604920 A GB 604920A
Authority
GB
United Kingdom
Prior art keywords
carrier
frequency
tone
source
aerials
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
GB5512/45A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB604920A publication Critical patent/GB604920A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radio Relay Systems (AREA)
  • Transmitters (AREA)
GB5512/45A 1943-06-12 1945-03-05 Improvements in or relating to radio signalling systems particularly for radio beacons Expired GB604920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US490594A US2429634A (en) 1943-06-12 1943-06-12 Four course beacon

Publications (1)

Publication Number Publication Date
GB604920A true GB604920A (en) 1948-07-13

Family

ID=23948705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5512/45A Expired GB604920A (en) 1943-06-12 1945-03-05 Improvements in or relating to radio signalling systems particularly for radio beacons

Country Status (3)

Country Link
US (1) US2429634A (en, 2012)
FR (1) FR961093A (en, 2012)
GB (1) GB604920A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH249408A (de) * 1946-04-01 1947-06-30 Patelhold Patentverwertung Einrichtung zur Bestimmung der horizontalen Winkellage eines Empfängers.
US2697220A (en) * 1953-05-06 1954-12-14 Itt Sideband generator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL64189C (en, 2012) * 1939-04-26
US2283677A (en) * 1940-09-27 1942-05-19 Internat Telephone & Radio Mfg Localizer beacon
US2327435A (en) * 1941-10-23 1943-08-24 Fed Telephone & Radio Corp Antenna interaction compensating means

Also Published As

Publication number Publication date
FR961093A (en, 2012) 1950-05-03
US2429634A (en) 1947-10-28

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