CA258853A - Haut-parleur piezo-electrique - Google Patents

Haut-parleur piezo-electrique

Info

Publication number
CA258853A
CA258853A CA258853A CA258853DA CA258853A CA 258853 A CA258853 A CA 258853A CA 258853 A CA258853 A CA 258853A CA 258853D A CA258853D A CA 258853DA CA 258853 A CA258853 A CA 258853A
Authority
CA
Canada
Prior art keywords
piezo
loud speaker
electric loud
electric
speaker
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
CA258853A
Other languages
English (en)
Inventor
M. Nicolson Alexander
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.)
INTERNATIONAL WESTERN ELECTRIC Co
AT&T Corp
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA258853A publication Critical patent/CA258853A/fr
Expired legal-status Critical Current

Links

CA258853A Haut-parleur piezo-electrique Expired CA258853A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA258853T

Publications (1)

Publication Number Publication Date
CA258853A true CA258853A (fr) 1926-03-09

Family

ID=35167402

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258853A Expired CA258853A (fr) Haut-parleur piezo-electrique

Country Status (1)

Country Link
CA (1) CA258853A (fr)

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