FR422865A - System and apparatus for determining the position of the point of emission of any acoustic signal - Google Patents

System and apparatus for determining the position of the point of emission of any acoustic signal

Info

Publication number
FR422865A
FR422865A FR422865A FR422865DA FR422865A FR 422865 A FR422865 A FR 422865A FR 422865 A FR422865 A FR 422865A FR 422865D A FR422865D A FR 422865DA FR 422865 A FR422865 A FR 422865A
Authority
FR
France
Prior art keywords
emission
determining
point
acoustic signal
acoustic
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
FR422865A
Other languages
French (fr)
Inventor
Elmer-Francis Cassel
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.)
ELMER-FRANCIS CASSEL
Original Assignee
ELMER-FRANCIS CASSEL
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 ELMER-FRANCIS CASSEL filed Critical ELMER-FRANCIS CASSEL
Application granted granted Critical
Publication of FR422865A publication Critical patent/FR422865A/en
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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/20Position of source determined by a plurality of spaced direction-finders

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR422865A 1910-11-22 1910-11-22 System and apparatus for determining the position of the point of emission of any acoustic signal Expired FR422865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR422865T 1910-11-22

Publications (1)

Publication Number Publication Date
FR422865A true FR422865A (en) 1911-04-01

Family

ID=1465776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422865A Expired FR422865A (en) 1910-11-22 1910-11-22 System and apparatus for determining the position of the point of emission of any acoustic signal

Country Status (1)

Country Link
FR (1) FR422865A (en)

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