FR1569788A - - Google Patents

Info

Publication number
FR1569788A
FR1569788A FR1569788DA FR1569788A FR 1569788 A FR1569788 A FR 1569788A FR 1569788D A FR1569788D A FR 1569788DA FR 1569788 A FR1569788 A FR 1569788A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1569788A publication Critical patent/FR1569788A/fr
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)
  • Measuring Phase Differences (AREA)
FR1569788D 1967-03-23 1968-03-22 Expired FR1569788A (en:Method)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62553467A 1967-03-23 1967-03-23
US62553367A 1967-03-23 1967-03-23

Publications (1)

Publication Number Publication Date
FR1569788A true FR1569788A (en:Method) 1969-06-06

Family

ID=27089949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1569788D Expired FR1569788A (en:Method) 1967-03-23 1968-03-22

Country Status (4)

Country Link
BE (1) BE712715A (en:Method)
FR (1) FR1569788A (en:Method)
GB (1) GB1194775A (en:Method)
NL (1) NL6804147A (en:Method)

Also Published As

Publication number Publication date
GB1194775A (en) 1970-06-10
BE712715A (en:Method) 1968-09-25
NL6804147A (en:Method) 1968-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse