FR808201A - émetteur-récepteur acoustique - Google Patents

émetteur-récepteur acoustique

Info

Publication number
FR808201A
FR808201A FR808201DA FR808201A FR 808201 A FR808201 A FR 808201A FR 808201D A FR808201D A FR 808201DA FR 808201 A FR808201 A FR 808201A
Authority
FR
France
Prior art keywords
acoustic transceiver
transceiver
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
English (en)
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.)
J CARPENTIER ATEL
Original Assignee
J CARPENTIER ATEL
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 J CARPENTIER ATEL filed Critical J CARPENTIER ATEL
Application granted granted Critical
Publication of FR808201A publication Critical patent/FR808201A/fr
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)
FR808201D 1935-10-16 1935-10-16 émetteur-récepteur acoustique Expired FR808201A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR808201T 1935-10-16

Publications (1)

Publication Number Publication Date
FR808201A true FR808201A (fr) 1937-02-01

Family

ID=9252832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808201D Expired FR808201A (fr) 1935-10-16 1935-10-16 émetteur-récepteur acoustique

Country Status (1)

Country Link
FR (1) FR808201A (fr)

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