CA307400A - Microphone electromagnetique - Google Patents

Microphone electromagnetique

Info

Publication number
CA307400A
CA307400A CA307400A CA307400DA CA307400A CA 307400 A CA307400 A CA 307400A CA 307400 A CA307400 A CA 307400A CA 307400D A CA307400D A CA 307400DA CA 307400 A CA307400 A CA 307400A
Authority
CA
Canada
Prior art keywords
electromagnetic microphone
microphone
electromagnetic
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
CA307400A
Other languages
English (en)
Inventor
Joseph Round Henry
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.)
CMC Electronics Inc
Original Assignee
Canadian Marconi Co
Publication date
Application granted granted Critical
Publication of CA307400A publication Critical patent/CA307400A/fr
Expired legal-status Critical Current

Links

CA307400A Microphone electromagnetique Expired CA307400A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA307400T

Publications (1)

Publication Number Publication Date
CA307400A true CA307400A (fr) 1931-01-06

Family

ID=35260552

Family Applications (1)

Application Number Title Priority Date Filing Date
CA307400A Expired CA307400A (fr) Microphone electromagnetique

Country Status (1)

Country Link
CA (1) CA307400A (fr)

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