CA11737A - Perfectionnements aux microphones - Google Patents

Perfectionnements aux microphones

Info

Publication number
CA11737A
CA11737A CA000011737A CA11737DA CA11737A CA 11737 A CA11737 A CA 11737A CA 000011737 A CA000011737 A CA 000011737A CA 11737D A CA11737D A CA 11737DA CA 11737 A CA11737 A CA 11737A
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
CA000011737A
Other languages
English (en)
Inventor
Charles Williams Jr.
Emile Berliner
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA11737A publication Critical patent/CA11737A/fr
Expired legal-status Critical Current

Links

CA000011737A Perfectionnements aux microphones Expired CA11737A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA11737T

Publications (1)

Publication Number Publication Date
CA11737A true CA11737A (fr) 1880-09-08

Family

ID=45128283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000011737A Expired CA11737A (fr) Perfectionnements aux microphones

Country Status (1)

Country Link
CA (1) CA11737A (fr)

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