DE176110C - - Google Patents

Info

Publication number
DE176110C
DE176110C DENDAT176110D DE176110DA DE176110C DE 176110 C DE176110 C DE 176110C DE NDAT176110 D DENDAT176110 D DE NDAT176110D DE 176110D A DE176110D A DE 176110DA DE 176110 C DE176110 C DE 176110C
Authority
DE
Germany
Prior art keywords
ship
skin
record
alternating current
sound
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.)
Active
Application number
DENDAT176110D
Other languages
German (de)
English (en)
Publication of DE176110C publication Critical patent/DE176110C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/72Beacons 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)
  • Transducers For Ultrasonic Waves (AREA)
DENDAT176110D Active DE176110C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE176110C true DE176110C (enrdf_load_stackoverflow)

Family

ID=440698

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT176110D Active DE176110C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE176110C (enrdf_load_stackoverflow)

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