FR453711A - Receiver system for underwater acoustic signals - Google Patents

Receiver system for underwater acoustic signals

Info

Publication number
FR453711A
FR453711A FR453711A FR453711DA FR453711A FR 453711 A FR453711 A FR 453711A FR 453711 A FR453711 A FR 453711A FR 453711D A FR453711D A FR 453711DA FR 453711 A FR453711 A FR 453711A
Authority
FR
France
Prior art keywords
acoustic signals
receiver system
underwater acoustic
underwater
receiver
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
FR453711A
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 FR453711A publication Critical patent/FR453711A/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)
  • Building Environments (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR453711A 1912-12-18 1913-01-28 Receiver system for underwater acoustic signals Expired FR453711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191302185X 1912-12-18

Publications (1)

Publication Number Publication Date
FR453711A true FR453711A (en) 1913-06-14

Family

ID=32657973

Family Applications (4)

Application Number Title Priority Date Filing Date
FR18527A Expired FR18527E (en) 1912-12-18 Receiver for underwater acoustic signals
FR453710A Expired FR453710A (en) 1912-12-18 1913-01-28 Receiver for underwater acoustic signals
FR453711A Expired FR453711A (en) 1912-12-18 1913-01-28 Receiver system for underwater acoustic signals
FR23488A Expired FR23488E (en) 1912-12-18 1920-07-09 Receiver for underwater acoustic signals

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR18527A Expired FR18527E (en) 1912-12-18 Receiver for underwater acoustic signals
FR453710A Expired FR453710A (en) 1912-12-18 1913-01-28 Receiver for underwater acoustic signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR23488A Expired FR23488E (en) 1912-12-18 1920-07-09 Receiver for underwater acoustic signals

Country Status (4)

Country Link
DE (2) DE280451C (en)
FR (4) FR453710A (en)
GB (2) GB191302185A (en)
NL (1) NL9568C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070774A (en) * 1952-03-26 1962-12-25 Bernstein Bernard Split ring electroacoustic transducer
EP0451161A1 (en) * 1989-01-02 1991-10-16 Ingo Ritsch Fire-retardant wooden joist ceiling

Also Published As

Publication number Publication date
FR23488E (en) 1921-11-30
GB191329221A (en) 1914-05-14
DE280451C (en)
GB191302185A (en) 1913-03-06
FR18527E (en) 1914-05-13
FR453710A (en) 1913-06-14
DE280081C (en)
NL9568C (en)

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