FR939309A - Radio-electric systems for distance measurement - Google Patents

Radio-electric systems for distance measurement

Info

Publication number
FR939309A
FR939309A FR939309DA FR939309A FR 939309 A FR939309 A FR 939309A FR 939309D A FR939309D A FR 939309DA FR 939309 A FR939309 A FR 939309A
Authority
FR
France
Prior art keywords
radio
distance measurement
electric systems
systems
electric
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
Other languages
French (fr)
Inventor
Charles William Earp
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939309A publication Critical patent/FR939309A/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)
  • Radar Systems Or Details Thereof (AREA)
FR939309D 1940-03-15 1946-08-29 Radio-electric systems for distance measurement Expired FR939309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB486840A GB581162A (en) 1940-03-15 1940-03-15 Radio distance meter

Publications (1)

Publication Number Publication Date
FR939309A true FR939309A (en) 1948-11-09

Family

ID=9785324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939309D Expired FR939309A (en) 1940-03-15 1946-08-29 Radio-electric systems for distance measurement

Country Status (4)

Country Link
BE (1) BE481265A (en)
ES (1) ES175930A1 (en)
FR (1) FR939309A (en)
GB (1) GB581162A (en)

Also Published As

Publication number Publication date
ES175930A1 (en) 1947-01-01
GB581162A (en) 1946-10-03
BE481265A (en)

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