CA314685A - Produit microphonique - Google Patents

Produit microphonique

Info

Publication number
CA314685A
CA314685A CA314685A CA314685DA CA314685A CA 314685 A CA314685 A CA 314685A CA 314685 A CA314685 A CA 314685A CA 314685D A CA314685D A CA 314685DA CA 314685 A CA314685 A CA 314685A
Authority
CA
Canada
Prior art keywords
microphonic
microphonic material
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
CA314685A
Other languages
English (en)
Inventor
Frederick Fruth Hal
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
Publication date
Application granted granted Critical
Publication of CA314685A publication Critical patent/CA314685A/fr
Expired legal-status Critical Current

Links

CA314685A Produit microphonique Expired CA314685A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA314685T

Publications (1)

Publication Number Publication Date
CA314685A true CA314685A (fr) 1931-08-25

Family

ID=35274013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314685A Expired CA314685A (fr) Produit microphonique

Country Status (1)

Country Link
CA (1) CA314685A (fr)

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