FR1137885A - Improvements to auto-direction detection systems - Google Patents

Improvements to auto-direction detection systems

Info

Publication number
FR1137885A
FR1137885A FR1137885DA FR1137885A FR 1137885 A FR1137885 A FR 1137885A FR 1137885D A FR1137885D A FR 1137885DA FR 1137885 A FR1137885 A FR 1137885A
Authority
FR
France
Prior art keywords
auto
detection systems
direction detection
systems
detection
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
Jean Perilhou
Alexandre Dauguet
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.)
Electronique & Physique
Laboratoires dElectronique Philips SAS
Original Assignee
Electronique & Physique
Laboratoires dElectronique et de Physique Appliquee
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 Electronique & Physique, Laboratoires dElectronique et de Physique Appliquee filed Critical Electronique & Physique
Application granted granted Critical
Publication of FR1137885A publication Critical patent/FR1137885A/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
    • G01S3/78—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 electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/789—Systems for determining direction or deviation from predetermined direction using rotating or oscillating beam systems, e.g. using mirrors, prisms

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR1137885D 1955-11-15 1955-11-15 Improvements to auto-direction detection systems Expired FR1137885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1137885T 1955-11-15

Publications (1)

Publication Number Publication Date
FR1137885A true FR1137885A (en) 1957-06-05

Family

ID=9640883

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1137885D Expired FR1137885A (en) 1955-11-15 1955-11-15 Improvements to auto-direction detection systems

Country Status (1)

Country Link
FR (1) FR1137885A (en)

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