CA308674A - Microphone - Google Patents

Microphone

Info

Publication number
CA308674A
CA308674A CA308674A CA308674DA CA308674A CA 308674 A CA308674 A CA 308674A CA 308674 A CA308674 A CA 308674A CA 308674D A CA308674D A CA 308674DA CA 308674 A CA308674 A CA 308674A
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
CA308674A
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 CA308674A publication Critical patent/CA308674A/fr
Expired legal-status Critical Current

Links

CA308674A Microphone Expired CA308674A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA308674T

Publications (1)

Publication Number Publication Date
CA308674A true CA308674A (fr) 1931-02-17

Family

ID=35261827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA308674A Expired CA308674A (fr) Microphone

Country Status (1)

Country Link
CA (1) CA308674A (fr)

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