DE241159C - - Google Patents

Info

Publication number
DE241159C
DE241159C DENDAT241159D DE241159DA DE241159C DE 241159 C DE241159 C DE 241159C DE NDAT241159 D DENDAT241159 D DE NDAT241159D DE 241159D A DE241159D A DE 241159DA DE 241159 C DE241159 C DE 241159C
Authority
DE
Germany
Prior art keywords
sound
waves
tuned
resonance body
circuit
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
DENDAT241159D
Other languages
German (de)
English (en)
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 DE241159C publication Critical patent/DE241159C/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)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Dc Digital Transmission (AREA)
  • Catching Or Destruction (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DENDAT241159D 1909-04-28 Active DE241159C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190910082T 1909-04-28

Publications (1)

Publication Number Publication Date
DE241159C true DE241159C (enrdf_load_stackoverflow)

Family

ID=32554173

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT241159D Active DE241159C (enrdf_load_stackoverflow) 1909-04-28

Country Status (2)

Country Link
DE (1) DE241159C (enrdf_load_stackoverflow)
GB (1) GB190910082A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884616C (de) * 1949-10-25 1953-07-27 Atlas Werke Ag Vorrichtung fuer Schiffe zum Aussenden von Schallwellen veraenderbarer Strahlrichtung im Wasser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE884616C (de) * 1949-10-25 1953-07-27 Atlas Werke Ag Vorrichtung fuer Schiffe zum Aussenden von Schallwellen veraenderbarer Strahlrichtung im Wasser

Also Published As

Publication number Publication date
GB190910082A (en) 1910-03-24

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