FR1597534A - - Google Patents

Info

Publication number
FR1597534A
FR1597534A FR1597534DA FR1597534A FR 1597534 A FR1597534 A FR 1597534A FR 1597534D A FR1597534D A FR 1597534DA FR 1597534 A FR1597534 A FR 1597534A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1597534A publication Critical patent/FR1597534A/fr
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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/96—Sonar systems specially adapted for specific applications for locating fish
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K73/00—Drawn nets
    • A01K73/02—Trawling nets
    • A01K73/06—Hauling devices for the headlines
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/87—Combinations of sonar systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Acoustics & Sound (AREA)
FR1597534D 1968-09-02 1968-09-02 Expired FR1597534A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR166542 1968-09-02

Publications (1)

Publication Number Publication Date
FR1597534A true FR1597534A (ja) 1970-06-29

Family

ID=8654652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1597534D Expired FR1597534A (ja) 1968-09-02 1968-09-02

Country Status (1)

Country Link
FR (1) FR1597534A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209113A1 (ja) * 1972-10-09 1974-06-28 Matra Engins
WO2013171686A3 (en) * 2012-05-16 2014-03-06 Scantrawl As Acoustic distance measuring for a trawl
US9119383B2 (en) 2009-02-03 2015-09-01 Henning Skjold-Larsen Method for determining difference in distance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209113A1 (ja) * 1972-10-09 1974-06-28 Matra Engins
US9119383B2 (en) 2009-02-03 2015-09-01 Henning Skjold-Larsen Method for determining difference in distance
WO2013171686A3 (en) * 2012-05-16 2014-03-06 Scantrawl As Acoustic distance measuring for a trawl

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