CA335529A - Microphone and loud-speaker system - Google Patents

Microphone and loud-speaker system

Info

Publication number
CA335529A
CA335529A CA335529A CA335529DA CA335529A CA 335529 A CA335529 A CA 335529A CA 335529 A CA335529 A CA 335529A CA 335529D A CA335529D A CA 335529DA CA 335529 A CA335529 A CA 335529A
Authority
CA
Canada
Prior art keywords
loud
microphone
speaker system
speaker
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
CA335529A
Other languages
French (fr)
Inventor
Messmer Rodolphe
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 CA335529A publication Critical patent/CA335529A/en
Expired legal-status Critical Current

Links

CA335529A Microphone and loud-speaker system Expired CA335529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA335529T

Publications (1)

Publication Number Publication Date
CA335529A true CA335529A (en) 1933-09-12

Family

ID=35298671

Family Applications (1)

Application Number Title Priority Date Filing Date
CA335529A Expired CA335529A (en) Microphone and loud-speaker system

Country Status (1)

Country Link
CA (1) CA335529A (en)

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