NL25406C - - Google Patents

Info

Publication number
NL25406C
NL25406C NL25406DA NL25406C NL 25406 C NL25406 C NL 25406C NL 25406D A NL25406D A NL 25406DA NL 25406 C NL25406 C NL 25406C
Authority
NL
Netherlands
Application number
Publication of NL25406C publication Critical patent/NL25406C/xx

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NL25406D NL25406C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES79597D DE511307C (de) Unterwasserschallsender

Publications (1)

Publication Number Publication Date
NL25406C true NL25406C (de)

Family

ID=7508306

Family Applications (1)

Application Number Title Priority Date Filing Date
NL25406D NL25406C (de)

Country Status (2)

Country Link
DE (1) DE511307C (de)
NL (1) NL25406C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450412A (en) * 1942-11-20 1948-10-05 Submarine Signal Co Device for transmitting and receiving compressional energy

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419197A (en) * 1940-05-03 1947-04-22 Submarine Signal Co Electroacoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450412A (en) * 1942-11-20 1948-10-05 Submarine Signal Co Device for transmitting and receiving compressional energy

Also Published As

Publication number Publication date
DE511307C (de) 1930-10-29

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