FR939302A - Improvements to radio-electric position determination systems - Google Patents

Improvements to radio-electric position determination systems

Info

Publication number
FR939302A
FR939302A FR939302DA FR939302A FR 939302 A FR939302 A FR 939302A FR 939302D A FR939302D A FR 939302DA FR 939302 A FR939302 A FR 939302A
Authority
FR
France
Prior art keywords
radio
position determination
electric position
determination systems
systems
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
Prafulla Kumar Chatterjea
Leslie Wilfred Houghton
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 FR939302A publication Critical patent/FR939302A/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR939302D 1942-07-17 1946-08-29 Improvements to radio-electric position determination systems Expired FR939302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939302X 1942-07-17

Publications (1)

Publication Number Publication Date
FR939302A true FR939302A (en) 1948-11-09

Family

ID=10748230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939302D Expired FR939302A (en) 1942-07-17 1946-08-29 Improvements to radio-electric position determination systems

Country Status (1)

Country Link
FR (1) FR939302A (en)

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