BE511620A - - Google Patents

Info

Publication number
BE511620A
BE511620A BE511620DA BE511620A BE 511620 A BE511620 A BE 511620A BE 511620D A BE511620D A BE 511620DA BE 511620 A BE511620 A BE 511620A
Authority
BE
Belgium
Application number
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.)
Publication of BE511620A publication Critical patent/BE511620A/xx

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)
BE511620D 1951-05-24 BE511620A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2774954X 1951-05-24

Publications (1)

Publication Number Publication Date
BE511620A true BE511620A (xx)

Family

ID=17584393

Family Applications (1)

Application Number Title Priority Date Filing Date
BE511620D BE511620A (xx) 1951-05-24

Country Status (3)

Country Link
US (1) US2774954A (xx)
BE (1) BE511620A (xx)
DE (1) DE965204C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1058412B (de) * 1954-09-07 1959-05-27 Atlas Werke Ag Einrichtung zur Anzeige der Wassertiefe auf einem Wasserfahrzeug mit schnell wechselndem Tiefgang
US3017606A (en) * 1958-09-10 1962-01-16 Kietz Hans Echo sounding system
DE1266669B (de) * 1962-10-19 1968-04-18 Electroacustic Gmbh Verfahren und Vorrichtung zum getrennten Aufzeichnen von ueber dem Meeresgrund befindlichen Reflektoren, z. B. von Fischschwaermen, durch Echolotung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1636502A (en) * 1921-03-28 1927-07-19 Reginald A Fessenden Method and apparatus for determining distance by echo
DE419710C (de) * 1922-03-04 1925-10-07 Alexander Behm Schaltung fuer in Verbindung mit Echoloteinrichtungen oder aehnlichen Apparaten verwendete Kurzzeitmesser
NL18599C (xx) * 1924-01-19
BE449589A (xx) * 1933-12-15
US2407697A (en) * 1935-09-14 1946-09-17 Submarine Signal Co Apparatus for submarine signaling
DE720893C (de) * 1939-03-07 1942-05-18 Telefunken Gmbh Einrichtung zur Vermeidung von bei drahtlosen Navigationsmessungen durch Schraeglage des die Messapparatur tragenden Fahrzeuges bedingten Messfehlern
US2350994A (en) * 1940-03-06 1944-06-13 Submarine Signal Co Recorder
US2394286A (en) * 1942-01-24 1946-02-05 Nat Simplex Bludworth Inc Interval meter
US2477050A (en) * 1946-03-06 1949-07-26 Rca Corp Submarine attacking device
US2615940A (en) * 1949-10-25 1952-10-28 Williams Milton Electrokinetic transducing method and apparatus
DE874423C (de) * 1949-11-18 1953-10-26 Atlas Werke Ag Verfahren und Vorrichtung zur Echolotung, insbesondere fuer Fischereifahrzeuge

Also Published As

Publication number Publication date
US2774954A (en) 1956-12-18
DE965204C (de) 1957-06-06

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