DE305658C - - Google Patents

Info

Publication number
DE305658C
DE305658C DENDAT305658D DE305658DA DE305658C DE 305658 C DE305658 C DE 305658C DE NDAT305658 D DENDAT305658 D DE NDAT305658D DE 305658D A DE305658D A DE 305658DA DE 305658 C DE305658 C DE 305658C
Authority
DE
Germany
Prior art keywords
sound waves
container
liquid container
liquid
stiffened
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
DENDAT305658D
Other languages
German (de)
English (en)
Publication of DE305658C publication Critical patent/DE305658C/de
Active 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)
DENDAT305658D Active DE305658C (Direct)

Publications (1)

Publication Number Publication Date
DE305658C true DE305658C (Direct)

Family

ID=559140

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT305658D Active DE305658C (Direct)

Country Status (1)

Country Link
DE (1) DE305658C (Direct)

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