FR773028A - Acoustic beaconing process - Google Patents

Acoustic beaconing process

Info

Publication number
FR773028A
FR773028A FR773028DA FR773028A FR 773028 A FR773028 A FR 773028A FR 773028D A FR773028D A FR 773028DA FR 773028 A FR773028 A FR 773028A
Authority
FR
France
Prior art keywords
acoustic
beaconing process
beaconing
acoustic beaconing
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
Andre Cottet
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 filed Critical
Application granted granted Critical
Publication of FR773028A publication Critical patent/FR773028A/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)
FR773028D 1933-08-10 1933-08-10 Acoustic beaconing process Expired FR773028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR773028T 1933-08-10

Publications (1)

Publication Number Publication Date
FR773028A true FR773028A (en) 1934-11-10

Family

ID=9196263

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773028D Expired FR773028A (en) 1933-08-10 1933-08-10 Acoustic beaconing process

Country Status (1)

Country Link
FR (1) FR773028A (en)

Similar Documents

Publication Publication Date Title
FR769588A (en) Bonding process
FR46266E (en) Rectification process
FR49542E (en) Matting process
FR771990A (en) Shipbuilding process
FR773028A (en) Acoustic beaconing process
FR763559A (en) Zinc purification process
FR760583A (en) Radio-beaconing process
FR769404A (en) Production process for halohydrins
FR776654A (en) Molding process
FR775769A (en) Cleaning process
FR774204A (en) Covering process
FR815906A (en) Construction process
FR774965A (en) Passementerie pompoms
FR762337A (en) Granulation process
FR782035A (en) Desizing process
FR762362A (en) Drawing process
FR763722A (en) Television process
FR44289E (en) Adjustable superheat process
FR769345A (en) Magnesium-metal manufacturing process
FR731032A (en) Starting process
FR731739A (en) Construction process
FR771073A (en) Advanced microphone
FR765945A (en) Dyeing process
FR795129A (en) Welding process
FR788648A (en) Welding process