FR535295A - Device for determining the direction of acoustic waves - Google Patents

Device for determining the direction of acoustic waves

Info

Publication number
FR535295A
FR535295A FR535295DA FR535295A FR 535295 A FR535295 A FR 535295A FR 535295D A FR535295D A FR 535295DA FR 535295 A FR535295 A FR 535295A
Authority
FR
France
Prior art keywords
determining
acoustic waves
acoustic
waves
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 FR535295A publication Critical patent/FR535295A/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)
FR535295D 1917-11-21 1919-12-01 Device for determining the direction of acoustic waves Expired FR535295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE345792T 1917-11-21

Publications (1)

Publication Number Publication Date
FR535295A true FR535295A (en) 1922-04-12

Family

ID=33459968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR535295D Expired FR535295A (en) 1917-11-21 1919-12-01 Device for determining the direction of acoustic waves

Country Status (3)

Country Link
DE (1) DE345792C (en)
FR (1) FR535295A (en)
GB (1) GB138917A (en)

Also Published As

Publication number Publication date
GB138917A (en) 1921-05-11
DE345792C (en) 1921-12-17

Similar Documents

Publication Publication Date Title
FR535295A (en) Device for determining the direction of acoustic waves
FR500003A (en) Device for finding the direction of radio waves
FR520400A (en) Device for installations transmitting or receiving underwater sound waves
FR518948A (en) Acoustic device for receiving underwater sounds
FR519117A (en) Device for photographically recording sound waves
FR424816A (en) Device for determining the exact range of rifles
FR536371A (en) Device for receiving underwater sound waves
DK31175C (en) Device for Direction Determination of Sound Waves.
FR23488E (en) Receiver for underwater acoustic signals
FR469802A (en) Receiving device for underwater acoustic signals
FR458437A (en) Receiving device for underwater acoustic signals
FR512131A (en) transmitter for underwater acoustic signals
FR520067A (en) Device for recording sound waves
FR459896A (en) Transmitting device for electric waves
FR495996A (en) Signal device, for submarines
FR446939A (en) Receiving device for electric waves
FR495844A (en) Portable device for light signals
FR22076E (en) Receiver for underwater acoustic signals
FR492211A (en) Instrument for measuring angles
FR506652A (en) Receiving device for underwater acoustic signals
DK29960C (en) Device for Determining the Direction of Sound Waves.
DK31742C (en) Device for Direction Determination of Sound Waves.
FR439661A (en) Sounding device for ships
FR489006A (en) Lifeboat device
FR487973A (en) Suspension device for pipes and conduits