CA312388A - Microphone - Google Patents

Microphone

Info

Publication number
CA312388A
CA312388A CA312388A CA312388DA CA312388A CA 312388 A CA312388 A CA 312388A CA 312388 A CA312388 A CA 312388A CA 312388D A CA312388D A CA 312388DA CA 312388 A CA312388 A CA 312388A
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
CA312388A
Other languages
French (fr)
Inventor
Vermeulen Roelof
Thomas Van Urk Arend
Peusken Gerrit
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA312388A publication Critical patent/CA312388A/en
Expired legal-status Critical Current

Links

CA312388A Microphone Expired CA312388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA312388T

Publications (1)

Publication Number Publication Date
CA312388A true CA312388A (en) 1931-06-16

Family

ID=35271714

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312388A Expired CA312388A (en) Microphone

Country Status (1)

Country Link
CA (1) CA312388A (en)

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