CA545180A - Microphones - Google Patents

Microphones

Info

Publication number
CA545180A
CA545180A CA545180A CA545180DA CA545180A CA 545180 A CA545180 A CA 545180A CA 545180 A CA545180 A CA 545180A CA 545180D A CA545180D A CA 545180DA CA 545180 A CA545180 A CA 545180A
Authority
CA
Canada
Prior art keywords
microphones
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
CA545180A
Other languages
French (fr)
Inventor
R. Pontzen George
R. Clark Robert
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.)
LUSTRAPHONE Ltd
Original Assignee
LUSTRAPHONE Ltd
Publication date
Application granted granted Critical
Publication of CA545180A publication Critical patent/CA545180A/en
Expired legal-status Critical Current

Links

CA545180A Microphones Expired CA545180A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA545180T

Publications (1)

Publication Number Publication Date
CA545180A true CA545180A (en) 1957-08-20

Family

ID=35702357

Family Applications (1)

Application Number Title Priority Date Filing Date
CA545180A Expired CA545180A (en) Microphones

Country Status (1)

Country Link
CA (1) CA545180A (en)

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