FR2305742B1 - - Google Patents

Info

Publication number
FR2305742B1
FR2305742B1 FR7509399A FR7509399A FR2305742B1 FR 2305742 B1 FR2305742 B1 FR 2305742B1 FR 7509399 A FR7509399 A FR 7509399A FR 7509399 A FR7509399 A FR 7509399A FR 2305742 B1 FR2305742 B1 FR 2305742B1
Authority
FR
Grant status
Grant
Patent type
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
FR7509399A
Other versions
FR2305742A1 (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.)
ETUDES REALISATIONS ELECTRONIQUE
REALISATIONS ELECTRONIQUE ET
Original Assignee
ETUDES REALISATIONS ELECTRONIQUE
REALISATIONS ELECTRONIQUE ET
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
Grant date

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
    • G01S11/00Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/14Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic, or infrasonic waves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G3/00Aiming or laying means
    • F41G3/22Aiming or laying means for vehicle-borne armament, e.g. on aircraft
    • F41G3/225Helmet sighting systems
FR7509399A 1975-03-26 1975-03-26 Expired FR2305742B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7509399A FR2305742B1 (en) 1975-03-26 1975-03-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7509399A FR2305742B1 (en) 1975-03-26 1975-03-26

Publications (2)

Publication Number Publication Date
FR2305742A1 true FR2305742A1 (en) 1976-10-22
FR2305742B1 true FR2305742B1 (en) 1979-03-09

Family

ID=9153086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509399A Expired FR2305742B1 (en) 1975-03-26 1975-03-26

Country Status (1)

Country Link
FR (1) FR2305742B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508651B1 (en) * 1981-06-30 1985-08-09 Tech Cie Indle A locating the position of a point in space, in particular by ultrasonic
EP0152905B1 (en) * 1984-02-21 1991-01-30 Travenol GmbH Method and device for localizing measuring points using ultrasonic pulses
US4746221A (en) * 1985-05-14 1988-05-24 Nippon Mining Co., Ltd. Stirrer for use in liquid storage tanks

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2041006A1 (en) * 1969-04-24 1971-01-29 Realisation Ultrasonique
US3777305A (en) * 1972-04-10 1973-12-04 Us Navy Ultrasonic angle measurement system

Also Published As

Publication number Publication date Type
FR2305742A1 (en) 1976-10-22 application

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Legal Events

Date Code Title Description
TP Transmission of property