FR1221963A - Perfectionnements aux dispositifs avertisseurs de proximité - Google Patents

Perfectionnements aux dispositifs avertisseurs de proximité

Info

Publication number
FR1221963A
FR1221963A FR786535A FR786535A FR1221963A FR 1221963 A FR1221963 A FR 1221963A FR 786535 A FR786535 A FR 786535A FR 786535 A FR786535 A FR 786535A FR 1221963 A FR1221963 A FR 1221963A
Authority
FR
France
Prior art keywords
warning devices
proximity warning
proximity
devices
warning
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
FR786535A
Other languages
English (en)
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.)
AVEL CORP GENEVA
Original Assignee
AVEL CORP GENEVA
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 AVEL CORP GENEVA filed Critical AVEL CORP GENEVA
Application granted granted Critical
Publication of FR1221963A publication Critical patent/FR1221963A/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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/93Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/933Radar or analogous systems specially adapted for specific applications for anti-collision purposes of aircraft or spacecraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR786535A 1958-02-12 1959-02-12 Perfectionnements aux dispositifs avertisseurs de proximité Expired FR1221963A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4615/58A GB887864A (en) 1958-02-12 1958-02-12 Improvements in proximity warning radio devices

Publications (1)

Publication Number Publication Date
FR1221963A true FR1221963A (fr) 1960-06-07

Family

ID=9780514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786535A Expired FR1221963A (fr) 1958-02-12 1959-02-12 Perfectionnements aux dispositifs avertisseurs de proximité

Country Status (2)

Country Link
FR (1) FR1221963A (fr)
GB (1) GB887864A (fr)

Also Published As

Publication number Publication date
GB887864A (en) 1962-01-24

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