ES172833A1 - IMPROVEMENTS IN RADIO LAMP SYSTEMS - Google Patents

IMPROVEMENTS IN RADIO LAMP SYSTEMS

Info

Publication number
ES172833A1
ES172833A1 ES172833A ES172833A ES172833A1 ES 172833 A1 ES172833 A1 ES 172833A1 ES 172833 A ES172833 A ES 172833A ES 172833 A ES172833 A ES 172833A ES 172833 A1 ES172833 A1 ES 172833A1
Authority
ES
Spain
Prior art keywords
lamp systems
radio lamp
radio
systems
lamp
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
ES172833A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES172833A1 publication Critical patent/ES172833A1/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)
  • Selective Calling Equipment (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
ES172833A 1945-03-10 1946-03-08 IMPROVEMENTS IN RADIO LAMP SYSTEMS Expired ES172833A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582051A US2412986A (en) 1945-03-10 1945-03-10 Beacon system

Publications (1)

Publication Number Publication Date
ES172833A1 true ES172833A1 (en) 1946-04-16

Family

ID=24327632

Family Applications (1)

Application Number Title Priority Date Filing Date
ES172833A Expired ES172833A1 (en) 1945-03-10 1946-03-08 IMPROVEMENTS IN RADIO LAMP SYSTEMS

Country Status (4)

Country Link
US (1) US2412986A (en)
ES (1) ES172833A1 (en)
FR (1) FR925023A (en)
GB (1) GB609191A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509230A (en) * 1946-02-28 1950-05-30 Standard Telephones Cables Ltd Beacon system
US2602161A (en) * 1947-01-25 1952-07-01 Sperry Corp Modulation system for craft guidance
US3482247A (en) * 1968-07-24 1969-12-02 Cubic Ind Corp Instrument landing system

Also Published As

Publication number Publication date
FR925023A (en) 1947-08-22
US2412986A (en) 1946-12-24
GB609191A (en) 1948-09-27

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