FR2476359B1 - - Google Patents

Info

Publication number
FR2476359B1
FR2476359B1 FR8003519A FR8003519A FR2476359B1 FR 2476359 B1 FR2476359 B1 FR 2476359B1 FR 8003519 A FR8003519 A FR 8003519A FR 8003519 A FR8003519 A FR 8003519A FR 2476359 B1 FR2476359 B1 FR 2476359B1
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
FR8003519A
Other languages
French (fr)
Other versions
FR2476359A1 (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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Priority to FR8003519A priority Critical patent/FR2476359A1/fr
Publication of FR2476359A1 publication Critical patent/FR2476359A1/fr
Application granted granted Critical
Publication of FR2476359B1 publication Critical patent/FR2476359B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/001—Acoustic presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR8003519A 1980-02-18 1980-02-18 Dispositif a ultra-sons, notamment pour detecter la presence d'objets Granted FR2476359A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8003519A FR2476359A1 (fr) 1980-02-18 1980-02-18 Dispositif a ultra-sons, notamment pour detecter la presence d'objets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8003519A FR2476359A1 (fr) 1980-02-18 1980-02-18 Dispositif a ultra-sons, notamment pour detecter la presence d'objets

Publications (2)

Publication Number Publication Date
FR2476359A1 FR2476359A1 (fr) 1981-08-21
FR2476359B1 true FR2476359B1 (enExample) 1984-09-07

Family

ID=9238682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8003519A Granted FR2476359A1 (fr) 1980-02-18 1980-02-18 Dispositif a ultra-sons, notamment pour detecter la presence d'objets

Country Status (1)

Country Link
FR (1) FR2476359A1 (enExample)

Also Published As

Publication number Publication date
FR2476359A1 (fr) 1981-08-21

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Legal Events

Date Code Title Description
ST Notification of lapse