CA320139A - Microphone - Google Patents

Microphone

Info

Publication number
CA320139A
CA320139A CA320139A CA320139DA CA320139A CA 320139 A CA320139 A CA 320139A CA 320139 A CA320139 A CA 320139A CA 320139D A CA320139D A CA 320139DA CA 320139 A CA320139 A CA 320139A
Authority
CA
Canada
Prior art keywords
microphone
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
CA320139A
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 CA320139A publication Critical patent/CA320139A/fr
Expired legal-status Critical Current

Links

CA320139A Microphone Expired CA320139A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA320139T

Publications (1)

Publication Number Publication Date
CA320139A true CA320139A (fr) 1932-03-01

Family

ID=35280694

Family Applications (1)

Application Number Title Priority Date Filing Date
CA320139A Expired CA320139A (fr) Microphone

Country Status (1)

Country Link
CA (1) CA320139A (fr)

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