FR704670A - Hydrophone pour coques de navires - Google Patents

Hydrophone pour coques de navires

Info

Publication number
FR704670A
FR704670A FR704670DA FR704670A FR 704670 A FR704670 A FR 704670A FR 704670D A FR704670D A FR 704670DA FR 704670 A FR704670 A FR 704670A
Authority
FR
France
Prior art keywords
hydrophone
ship hulls
hulls
ship
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.)
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
Priority claimed from US403825A external-priority patent/US1906446A/en
Application filed by Submarine Signal Co filed Critical Submarine Signal Co
Application granted granted Critical
Publication of FR704670A publication Critical patent/FR704670A/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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR704670D 1929-10-31 1930-10-22 Hydrophone pour coques de navires Expired FR704670A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US403825A US1906446A (en) 1929-10-31 1929-10-31 Sound receiving apparatus
US500332A US1960240A (en) 1929-10-31 1930-12-05 Sound receiving apparatus

Publications (1)

Publication Number Publication Date
FR704670A true FR704670A (fr) 1931-05-23

Family

ID=27018419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704670D Expired FR704670A (fr) 1929-10-31 1930-10-22 Hydrophone pour coques de navires

Country Status (4)

Country Link
US (1) US1960240A (fr)
DE (1) DE544043C (fr)
FR (1) FR704670A (fr)
GB (1) GB361566A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899923A (en) * 1959-08-18 daly etal
US2769161A (en) * 1944-01-01 1956-10-30 Laymon N Miller Cone microphone
US4679179A (en) * 1982-06-15 1987-07-07 Raychem Corporation Sonar detection apparatus
US11257472B2 (en) * 2015-06-26 2022-02-22 Underwater Communications & Navigation Laboratory (Limited Liability Company) Hydroacoustic device

Also Published As

Publication number Publication date
DE544043C (de) 1932-02-12
GB361566A (en) 1931-11-26
US1960240A (en) 1934-05-29

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