CA424392A - Microphone device - Google Patents

Microphone device

Info

Publication number
CA424392A
CA424392A CA424392A CA424392DA CA424392A CA 424392 A CA424392 A CA 424392A CA 424392 A CA424392 A CA 424392A CA 424392D A CA424392D A CA 424392DA CA 424392 A CA424392 A CA 424392A
Authority
CA
Canada
Prior art keywords
microphone device
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
CA424392A
Other languages
French (fr)
Inventor
William Rogers Ernest
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.)
REDIFFUSION Ltd
Original Assignee
REDIFFUSION Ltd
Publication date
Application granted granted Critical
Publication of CA424392A publication Critical patent/CA424392A/en
Expired legal-status Critical Current

Links

CA424392A Microphone device Expired CA424392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424392T

Publications (1)

Publication Number Publication Date
CA424392A true CA424392A (en) 1944-12-12

Family

ID=35535407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424392A Expired CA424392A (en) Microphone device

Country Status (1)

Country Link
CA (1) CA424392A (en)

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