FR503402A - Perfectionnements aux appareils de signalisation sous-marine - Google Patents

Perfectionnements aux appareils de signalisation sous-marine

Info

Publication number
FR503402A
FR503402A FR503402A FR503402DA FR503402A FR 503402 A FR503402 A FR 503402A FR 503402 A FR503402 A FR 503402A FR 503402D A FR503402D A FR 503402DA FR 503402 A FR503402 A FR 503402A
Authority
FR
France
Prior art keywords
signaling devices
underwater signaling
underwater
devices
signaling
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
FR503402A
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.)
Submarine Signal Co
Original Assignee
Submarine Signal Co
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 Submarine Signal Co filed Critical Submarine Signal Co
Application granted granted Critical
Publication of FR503402A publication Critical patent/FR503402A/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)
FR503402A 1917-05-26 1917-05-26 Perfectionnements aux appareils de signalisation sous-marine Expired FR503402A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR503402T 1917-05-26

Publications (1)

Publication Number Publication Date
FR503402A true FR503402A (fr) 1920-06-10

Family

ID=8907081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503402A Expired FR503402A (fr) 1917-05-26 1917-05-26 Perfectionnements aux appareils de signalisation sous-marine

Country Status (1)

Country Link
FR (1) FR503402A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122882B (de) * 1953-11-23 1962-01-25 Raytheon Mfg Co Schallerzeugeranordnung zur Abstrahlung von Druckwellenenergie
DE1204557B (de) * 1961-04-24 1965-11-04 Marconi Sounding Device Compan Druckwellenuebertragungssystem fuer Schiffe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122882B (de) * 1953-11-23 1962-01-25 Raytheon Mfg Co Schallerzeugeranordnung zur Abstrahlung von Druckwellenenergie
DE1204557B (de) * 1961-04-24 1965-11-04 Marconi Sounding Device Compan Druckwellenuebertragungssystem fuer Schiffe

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