NL10688C - - Google Patents

Info

Publication number
NL10688C
NL10688C NL22254A NL22254A NL10688C NL 10688 C NL10688 C NL 10688C NL 22254 A NL22254 A NL 22254A NL 22254 A NL22254 A NL 22254A NL 10688 C NL10688 C NL 10688C
Authority
NL
Netherlands
Application number
NL22254A
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 filed Critical
Application granted granted Critical
Publication of NL10688C publication Critical patent/NL10688C/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)
NL22254A 1922-05-24 1922-06-09 NL10688C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1463222A GB194599A (en) 1922-05-24 1922-05-24 Improvements in apparatus for locating position by sound

Publications (1)

Publication Number Publication Date
NL10688C true NL10688C (fr) 1924-02-15

Family

ID=10044742

Family Applications (1)

Application Number Title Priority Date Filing Date
NL22254A NL10688C (fr) 1922-05-24 1922-06-09

Country Status (3)

Country Link
FR (1) FR552647A (fr)
GB (1) GB194599A (fr)
NL (1) NL10688C (fr)

Also Published As

Publication number Publication date
GB194599A (en) 1923-03-15
FR552647A (fr) 1923-05-04

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