BE437555A - - Google Patents

Info

Publication number
BE437555A
BE437555A BE437555DA BE437555A BE 437555 A BE437555 A BE 437555A BE 437555D A BE437555D A BE 437555DA BE 437555 A BE437555 A BE 437555A
Authority
BE
Belgium
Prior art keywords
acoustic
sound
azimuth
receivers
microphone
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE437555A publication Critical patent/BE437555A/fr

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
    • G01S1/00Beacons 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
    • G01S1/72Beacons 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
BE437555D BE437555A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE437555A true BE437555A (enrdf_load_html_response)

Family

ID=95962

Family Applications (1)

Application Number Title Priority Date Filing Date
BE437555D BE437555A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE437555A (enrdf_load_html_response)

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