FR422892A - System and apparatus for determining the direction of the point of emission of any acoustic signal - Google Patents

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

Info

Publication number
FR422892A
FR422892A FR422892DA FR422892A FR 422892 A FR422892 A FR 422892A FR 422892D A FR422892D A FR 422892DA FR 422892 A FR422892 A FR 422892A
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
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 FR422892A publication Critical patent/FR422892A/en
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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR422892D 1910-11-23 1910-11-23 System and apparatus for determining the direction of the point of emission of any acoustic signal Expired FR422892A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR422892T 1910-11-23

Publications (1)

Publication Number Publication Date
FR422892A true FR422892A (en) 1911-04-01

Family

ID=1465797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422892D Expired FR422892A (en) 1910-11-23 1910-11-23 System and apparatus for determining the direction of the point of emission of any acoustic signal

Country Status (1)

Country Link
FR (1) FR422892A (en)

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