FR2137604B1 - - Google Patents

Info

Publication number
FR2137604B1
FR2137604B1 FR7216321A FR7216321A FR2137604B1 FR 2137604 B1 FR2137604 B1 FR 2137604B1 FR 7216321 A FR7216321 A FR 7216321A FR 7216321 A FR7216321 A FR 7216321A FR 2137604 B1 FR2137604 B1 FR 2137604B1
Authority
FR
France
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
FR7216321A
Other languages
French (fr)
Other versions
FR2137604A1 (https=
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
Publication of FR2137604A1 publication Critical patent/FR2137604A1/fr
Application granted granted Critical
Publication of FR2137604B1 publication Critical patent/FR2137604B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/14Systems for determining direction or deviation from predetermined direction
    • G01S3/143Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR7216321A 1971-05-07 1972-05-08 Expired FR2137604B1 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO173571 1971-05-07

Publications (2)

Publication Number Publication Date
FR2137604A1 FR2137604A1 (https=) 1972-12-29
FR2137604B1 true FR2137604B1 (https=) 1977-07-22

Family

ID=19878401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216321A Expired FR2137604B1 (https=) 1971-05-07 1972-05-08

Country Status (1)

Country Link
FR (1) FR2137604B1 (https=)

Also Published As

Publication number Publication date
FR2137604A1 (https=) 1972-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse