DE298918C - - Google Patents

Info

Publication number
DE298918C
DE298918C DENDAT298918D DE298918DA DE298918C DE 298918 C DE298918 C DE 298918C DE NDAT298918 D DENDAT298918 D DE NDAT298918D DE 298918D A DE298918D A DE 298918DA DE 298918 C DE298918 C DE 298918C
Authority
DE
Germany
Prior art keywords
housing wall
mass
sound
ship
membranes
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
DENDAT298918D
Other languages
German (de)
English (en)
Publication of DE298918C publication Critical patent/DE298918C/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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DENDAT298918D Active DE298918C (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES45191D DE373769C (de) Akustischer Schwinger

Publications (1)

Publication Number Publication Date
DE298918C true DE298918C (cg-RX-API-DMAC7.html)

Family

ID=7485442

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT298918D Active DE298918C (cg-RX-API-DMAC7.html)
DES45191D Expired DE373769C (de) Akustischer Schwinger

Family Applications After (1)

Application Number Title Priority Date Filing Date
DES45191D Expired DE373769C (de) Akustischer Schwinger

Country Status (1)

Country Link
DE (2) DE373769C (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055407B (de) * 1952-05-05 1959-04-16 Dr Gerd Gerloff Richtempfaenger fuer Wasserschall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055407B (de) * 1952-05-05 1959-04-16 Dr Gerd Gerloff Richtempfaenger fuer Wasserschall

Also Published As

Publication number Publication date
DE373769C (de) 1923-04-16

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