GB655678A - Improvements in or relating to radio transmitting and receiving devices for navigation purposes - Google Patents

Improvements in or relating to radio transmitting and receiving devices for navigation purposes

Info

Publication number
GB655678A
GB655678A GB32423/47A GB3242347A GB655678A GB 655678 A GB655678 A GB 655678A GB 32423/47 A GB32423/47 A GB 32423/47A GB 3242347 A GB3242347 A GB 3242347A GB 655678 A GB655678 A GB 655678A
Authority
GB
United Kingdom
Prior art keywords
modulator
signals
equisignal
modulators
amplitude
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
GB32423/47A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics NV
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 Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB655678A publication Critical patent/GB655678A/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)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB32423/47A 1946-12-12 1947-12-09 Improvements in or relating to radio transmitting and receiving devices for navigation purposes Expired GB655678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL265550X 1946-12-12

Publications (1)

Publication Number Publication Date
GB655678A true GB655678A (en) 1951-08-01

Family

ID=19781703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32423/47A Expired GB655678A (en) 1946-12-12 1947-12-09 Improvements in or relating to radio transmitting and receiving devices for navigation purposes

Country Status (5)

Country Link
US (1) US2577443A (US20080094685A1-20080424-C00004.png)
BE (1) BE478008A (US20080094685A1-20080424-C00004.png)
CH (1) CH265550A (US20080094685A1-20080424-C00004.png)
DE (1) DE812087C (US20080094685A1-20080424-C00004.png)
GB (1) GB655678A (US20080094685A1-20080424-C00004.png)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2116667A (en) * 1934-04-11 1938-05-10 Csf Radio beacon and blind landing system
NL50131C (US20080094685A1-20080424-C00004.png) * 1936-11-06
BE442246A (US20080094685A1-20080424-C00004.png) * 1939-11-07
GB568120A (en) * 1940-02-23 1945-03-20 Standard Telephones Cables Ltd Improvements in or relating to radio beacons
NL69847C (US20080094685A1-20080424-C00004.png) * 1941-03-01
US2422096A (en) * 1942-09-30 1947-06-10 Rca Corp Direction finding system
BE482825A (US20080094685A1-20080424-C00004.png) * 1943-08-26

Also Published As

Publication number Publication date
BE478008A (US20080094685A1-20080424-C00004.png)
CH265550A (de) 1949-12-15
DE812087C (de) 1951-08-27
US2577443A (en) 1951-12-04

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