CA463586A - Microphone - Google Patents

Microphone

Info

Publication number
CA463586A
CA463586A CA463586A CA463586DA CA463586A CA 463586 A CA463586 A CA 463586A CA 463586 A CA463586 A CA 463586A CA 463586D A CA463586D A CA 463586DA CA 463586 A CA463586 A CA 463586A
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
CA463586A
Other languages
English (en)
Inventor
Vermeulen Roelof
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Publication date
Application granted granted Critical
Publication of CA463586A publication Critical patent/CA463586A/fr
Expired legal-status Critical Current

Links

CA463586A Microphone Expired CA463586A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA463586T

Publications (1)

Publication Number Publication Date
CA463586A true CA463586A (fr) 1950-03-07

Family

ID=35593303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA463586A Expired CA463586A (fr) Microphone

Country Status (1)

Country Link
CA (1) CA463586A (fr)

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