FR469802A - Receiving device for underwater acoustic signals - Google Patents

Receiving device for underwater acoustic signals

Info

Publication number
FR469802A
FR469802A FR469802DA FR469802A FR 469802 A FR469802 A FR 469802A FR 469802D A FR469802D A FR 469802DA FR 469802 A FR469802 A FR 469802A
Authority
FR
France
Prior art keywords
receiving device
acoustic signals
underwater acoustic
underwater
signals
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)
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.)
Signal GmbH
Original Assignee
Signal GmbH
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 Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of FR469802A publication Critical patent/FR469802A/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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR469802D 1913-03-19 1914-03-05 Receiving device for underwater acoustic signals Expired FR469802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE286781T 1913-03-19

Publications (1)

Publication Number Publication Date
FR469802A true FR469802A (en) 1914-08-12

Family

ID=32523419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR469802D Expired FR469802A (en) 1913-03-19 1914-03-05 Receiving device for underwater acoustic signals

Country Status (3)

Country Link
DE (1) DE286781C (en)
FR (1) FR469802A (en)
GB (1) GB191405935A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754593C (en) * 1941-06-12 1952-10-13 Aeg Electrical measuring device for measuring mechanical vibrations or accelerations

Also Published As

Publication number Publication date
DE286781C (en)
GB191405935A (en) 1914-05-14

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