DE542483C - Vorrichtung zur Richtungsbestimmung von Schallwellen - Google Patents

Vorrichtung zur Richtungsbestimmung von Schallwellen

Info

Publication number
DE542483C
DE542483C DES90465D DES0090465D DE542483C DE 542483 C DE542483 C DE 542483C DE S90465 D DES90465 D DE S90465D DE S0090465 D DES0090465 D DE S0090465D DE 542483 C DE542483 C DE 542483C
Authority
DE
Germany
Prior art keywords
receiver
cathode ray
sound waves
oscilloscope
directional
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.)
Expired
Application number
DES90465D
Other languages
German (de)
English (en)
Inventor
Dr Ernst Luebcke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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
Priority to NL28962D priority Critical patent/NL28962C/xx
Application filed by Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Priority to DES90465D priority patent/DE542483C/de
Application granted granted Critical
Publication of DE542483C publication Critical patent/DE542483C/de
Expired 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)
  • Geophysics And Detection Of Objects (AREA)
DES90465D 1929-03-13 1929-03-13 Vorrichtung zur Richtungsbestimmung von Schallwellen Expired DE542483C (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL28962D NL28962C (enExample) 1929-03-13
DES90465D DE542483C (de) 1929-03-13 1929-03-13 Vorrichtung zur Richtungsbestimmung von Schallwellen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES90465D DE542483C (de) 1929-03-13 1929-03-13 Vorrichtung zur Richtungsbestimmung von Schallwellen

Publications (1)

Publication Number Publication Date
DE542483C true DE542483C (de) 1932-01-25

Family

ID=7515833

Family Applications (1)

Application Number Title Priority Date Filing Date
DES90465D Expired DE542483C (de) 1929-03-13 1929-03-13 Vorrichtung zur Richtungsbestimmung von Schallwellen

Country Status (2)

Country Link
DE (1) DE542483C (enExample)
NL (1) NL28962C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987700A (en) * 1943-09-02 1961-06-06 John N A Hawkins Differentially sensitive sonic detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987700A (en) * 1943-09-02 1961-06-06 John N A Hawkins Differentially sensitive sonic detector

Also Published As

Publication number Publication date
NL28962C (enExample)

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