CA250764A - Microphone - Google Patents

Microphone

Info

Publication number
CA250764A
CA250764A CA250764A CA250764DA CA250764A CA 250764 A CA250764 A CA 250764A CA 250764 A CA250764 A CA 250764A CA 250764D A CA250764D A CA 250764DA CA 250764 A CA250764 A CA 250764A
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
CA250764A
Other languages
English (en)
Inventor
Golie Mauro Oswald
Avery Scantlebury Reginald
Matthew Conroy Joseph
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
MarconiS Wireless Telegraphy Company of Canada Ltd
Publication date
Application granted granted Critical
Publication of CA250764A publication Critical patent/CA250764A/fr
Expired legal-status Critical Current

Links

CA250764A Microphone Expired CA250764A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA250764T

Publications (1)

Publication Number Publication Date
CA250764A true CA250764A (fr) 1925-06-16

Family

ID=35157738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA250764A Expired CA250764A (fr) Microphone

Country Status (1)

Country Link
CA (1) CA250764A (fr)

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