FR2150560A2 - - Google Patents

Info

Publication number
FR2150560A2
FR2150560A2 FR7121802A FR7121802A FR2150560A2 FR 2150560 A2 FR2150560 A2 FR 2150560A2 FR 7121802 A FR7121802 A FR 7121802A FR 7121802 A FR7121802 A FR 7121802A FR 2150560 A2 FR2150560 A2 FR 2150560A2
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.)
Pending
Application number
FR7121802A
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.)
DBE
Original Assignee
DBE
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
Priority claimed from FR7103217A external-priority patent/FR2143505B1/fr
Application filed by DBE filed Critical DBE
Priority to FR7121802A priority Critical patent/FR2150560A2/fr
Priority to FR7123744A priority patent/FR2150564A2/fr
Priority to FR7123874A priority patent/FR2150565A2/fr
Publication of FR2150560A2 publication Critical patent/FR2150560A2/fr
Pending 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
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR7121802A 1971-02-01 1971-06-16 Pending FR2150560A2 (enExample)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7121802A FR2150560A2 (enExample) 1971-02-01 1971-06-16
FR7123744A FR2150564A2 (enExample) 1971-02-01 1971-06-29
FR7123874A FR2150565A2 (enExample) 1971-02-01 1971-06-30

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7103217A FR2143505B1 (enExample) 1971-02-01 1971-02-01
FR7121802A FR2150560A2 (enExample) 1971-02-01 1971-06-16

Publications (1)

Publication Number Publication Date
FR2150560A2 true FR2150560A2 (enExample) 1973-04-13

Family

ID=26216183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7121802A Pending FR2150560A2 (enExample) 1971-02-01 1971-06-16

Country Status (1)

Country Link
FR (1) FR2150560A2 (enExample)

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Legal Events

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