DK109394C - Omformer til omformning af elektriske signaler til lydbølger og omvendt. - Google Patents

Omformer til omformning af elektriske signaler til lydbølger og omvendt.

Info

Publication number
DK109394C
DK109394C DK469363A DK469363A DK109394C DK 109394 C DK109394 C DK 109394C DK 469363 A DK469363 A DK 469363A DK 469363 A DK469363 A DK 469363A DK 109394 C DK109394 C DK 109394C
Authority
DK
Denmark
Prior art keywords
converter
vice versa
electrical signals
sound waves
converting electrical
Prior art date
Application number
DK469363A
Other languages
English (en)
Original Assignee
Brown Ltd S G
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 Brown Ltd S G filed Critical Brown Ltd S G
Application granted granted Critical
Publication of DK109394C publication Critical patent/DK109394C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DK469363A 1962-11-28 1963-10-05 Omformer til omformning af elektriske signaler til lydbølger og omvendt. DK109394C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4505262A GB1006726A (en) 1962-11-28 1962-11-28 Improvements in or relating to piezo-electric transducers

Publications (1)

Publication Number Publication Date
DK109394C true DK109394C (da) 1968-04-22

Family

ID=10435706

Family Applications (1)

Application Number Title Priority Date Filing Date
DK469363A DK109394C (da) 1962-11-28 1963-10-05 Omformer til omformning af elektriske signaler til lydbølger og omvendt.

Country Status (6)

Country Link
BE (1) BE637492A (da)
CH (1) CH396994A (da)
DE (1) DE1259389B (da)
DK (1) DK109394C (da)
GB (1) GB1006726A (da)
NL (1) NL298219A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1234218A (da) * 1968-07-29 1971-06-03
US9763014B2 (en) * 2014-02-21 2017-09-12 Harman International Industries, Incorporated Loudspeaker with piezoelectric elements

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416887A (en) * 1944-10-20 1947-03-04 Tibbetts Lab Inc Piezoelectric device
US2552878A (en) * 1947-09-24 1951-05-15 Electro Voice Second order differential microphone
DE939598C (de) * 1951-01-13 1956-02-23 Atlas Werke Ag Vorrichtung zum Senden oder Empfangen von Schallwellen
GB727905A (en) * 1951-05-24 1955-04-13 Traugott Link An improved key mounting for accordions
DE1815439U (de) * 1960-04-14 1960-07-28 Steeg & Reuter G M B H Dr Kleinstmikrofon mit keramischem wandler.
NL6815845A (da) * 1967-11-08 1969-05-12

Also Published As

Publication number Publication date
GB1006726A (en) 1965-10-06
NL298219A (da)
DE1259389B (de) 1968-01-25
BE637492A (da)
CH396994A (fr) 1965-08-15

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