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)
  • Transducers For Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (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
DES45191D Expired DE373769C (de) Akustischer Schwinger
DENDAT298918D Active DE298918C (cg-RX-API-DMAC7.html)

Family Applications Before (1)

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

Country Status (1)

Country Link
DE (2) DE298918C (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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