FR815007A - Direction finder for vehicle such as airplane or boat - Google Patents

Direction finder for vehicle such as airplane or boat

Info

Publication number
FR815007A
FR815007A FR815007DA FR815007A FR 815007 A FR815007 A FR 815007A FR 815007D A FR815007D A FR 815007DA FR 815007 A FR815007 A FR 815007A
Authority
FR
France
Prior art keywords
airplane
boat
vehicle
direction finder
finder
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)
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.)
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
Original Assignee
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
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 Sperry Gyroscope Co Ltd, Sperry Gyroscope Co Inc filed Critical Sperry Gyroscope Co Ltd
Application granted granted Critical
Publication of FR815007A publication Critical patent/FR815007A/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR815007D 1935-12-13 1936-12-12 Direction finder for vehicle such as airplane or boat Expired FR815007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US815007XA 1935-12-13 1935-12-13

Publications (1)

Publication Number Publication Date
FR815007A true FR815007A (en) 1937-07-05

Family

ID=22164588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815007D Expired FR815007A (en) 1935-12-13 1936-12-12 Direction finder for vehicle such as airplane or boat

Country Status (1)

Country Link
FR (1) FR815007A (en)

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