CA432891A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number
CA432891A
CA432891A CA432891A CA432891DA CA432891A CA 432891 A CA432891 A CA 432891A CA 432891 A CA432891 A CA 432891A CA 432891D A CA432891D A CA 432891DA CA 432891 A CA432891 A CA 432891A
Authority
CA
Canada
Prior art keywords
acoustic device
acoustic
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
CA432891A
Other languages
English (en)
Inventor
Jefferson Pope Thomas
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA432891A publication Critical patent/CA432891A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CA432891A Dispositif acoustique Expired CA432891A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA432891T

Publications (1)

Publication Number Publication Date
CA432891A true CA432891A (fr) 1946-01-29

Family

ID=210281

Family Applications (1)

Application Number Title Priority Date Filing Date
CA432891A Expired CA432891A (fr) Dispositif acoustique

Country Status (1)

Country Link
CA (1) CA432891A (fr)

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