FR951026A - Obstacle detection radio systems - Google Patents

Obstacle detection radio systems

Info

Publication number
FR951026A
FR951026A FR951026DA FR951026A FR 951026 A FR951026 A FR 951026A FR 951026D A FR951026D A FR 951026DA FR 951026 A FR951026 A FR 951026A
Authority
FR
France
Prior art keywords
obstacle detection
radio systems
detection radio
systems
obstacle
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
Donald David Grieg
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 FR951026A publication Critical patent/FR951026A/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)
FR951026D 1943-01-04 1947-08-05 Obstacle detection radio systems Expired FR951026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US951026XA 1943-01-04 1943-01-04

Publications (1)

Publication Number Publication Date
FR951026A true FR951026A (en) 1949-10-13

Family

ID=22249649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951026D Expired FR951026A (en) 1943-01-04 1947-08-05 Obstacle detection radio systems

Country Status (1)

Country Link
FR (1) FR951026A (en)

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