DE344472C - Empfangseinrichtung fuer Unterwasserschallsignale - Google Patents

Empfangseinrichtung fuer Unterwasserschallsignale

Info

Publication number
DE344472C
DE344472C DE1917344472D DE344472DD DE344472C DE 344472 C DE344472 C DE 344472C DE 1917344472 D DE1917344472 D DE 1917344472D DE 344472D D DE344472D D DE 344472DD DE 344472 C DE344472 C DE 344472C
Authority
DE
Germany
Prior art keywords
attenuation
receiving device
underwater sound
detector
sound signals
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
DE1917344472D
Other languages
German (de)
English (en)
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.)
Signal GmbH
Original Assignee
Signal GmbH
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 by Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of DE344472C publication Critical patent/DE344472C/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)
  • Telephone Set Structure (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DE1917344472D 1917-05-20 1917-05-20 Empfangseinrichtung fuer Unterwasserschallsignale Expired DE344472C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE344472T 1917-05-20

Publications (1)

Publication Number Publication Date
DE344472C true DE344472C (de) 1921-11-22

Family

ID=6252186

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT264760D Active DE264760C (enrdf_load_stackoverflow) 1917-05-20
DE1917344472D Expired DE344472C (de) 1917-05-20 1917-05-20 Empfangseinrichtung fuer Unterwasserschallsignale

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DENDAT264760D Active DE264760C (enrdf_load_stackoverflow) 1917-05-20

Country Status (1)

Country Link
DE (2) DE344472C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE264760C (enrdf_load_stackoverflow)

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