FR520400A - Device for installations transmitting or receiving underwater sound waves - Google Patents

Device for installations transmitting or receiving underwater sound waves

Info

Publication number
FR520400A
FR520400A FR520400DA FR520400A FR 520400 A FR520400 A FR 520400A FR 520400D A FR520400D A FR 520400DA FR 520400 A FR520400 A FR 520400A
Authority
FR
France
Prior art keywords
sound waves
underwater sound
receiving underwater
installations
transmitting
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 FR520400A publication Critical patent/FR520400A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00—Whistles
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
FR520400D 1915-07-22 1920-07-10 Device for installations transmitting or receiving underwater sound waves Expired FR520400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE339084T 1915-07-22

Publications (1)

Publication Number Publication Date
FR520400A true FR520400A (en) 1921-06-24

Family

ID=38123948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520400D Expired FR520400A (en) 1915-07-22 1920-07-10 Device for installations transmitting or receiving underwater sound waves

Country Status (2)

Country Link
DE (3) DE332844C (en)
FR (1) FR520400A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122882B (en) * 1953-11-23 1962-01-25 Raytheon Mfg Co Sound generator arrangement for radiating pressure wave energy
US3021504A (en) * 1956-07-02 1962-02-13 William J Toulis Apparatus for controlling the effective compressibility of a liquid

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741706C (en) * 1936-02-07 1943-11-15 Johannes Gruetzmacher Dr Ing Device for sending or receiving mechanical vibrations
US3738446A (en) * 1945-07-04 1973-06-12 R Nottingham Underwater siren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122882B (en) * 1953-11-23 1962-01-25 Raytheon Mfg Co Sound generator arrangement for radiating pressure wave energy
US3021504A (en) * 1956-07-02 1962-02-13 William J Toulis Apparatus for controlling the effective compressibility of a liquid

Also Published As

Publication number Publication date
DE332844C (en) 1921-02-10
DE339084C (en) 1921-07-15
DE339553C (en) 1921-07-28

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