CA447984A - Systeme de transmission electrique d'ondes sonores et autres - Google Patents

Systeme de transmission electrique d'ondes sonores et autres

Info

Publication number
CA447984A
CA447984A CA447984A CA447984DA CA447984A CA 447984 A CA447984 A CA 447984A CA 447984 A CA447984 A CA 447984A CA 447984D A CA447984D A CA 447984DA CA 447984 A CA447984 A CA 447984A
Authority
CA
Canada
Prior art keywords
waves
sound
electric transmission
transmission
electric
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
CA447984A
Other languages
English (en)
Inventor
Arnold Beatty William
Wilfred Houghton Leslie
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA447984A publication Critical patent/CA447984A/fr
Expired legal-status Critical Current

Links

CA447984A Systeme de transmission electrique d'ondes sonores et autres Expired CA447984A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447984T

Publications (1)

Publication Number Publication Date
CA447984A true CA447984A (fr) 1948-04-20

Family

ID=35565668

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447984A Expired CA447984A (fr) Systeme de transmission electrique d'ondes sonores et autres

Country Status (1)

Country Link
CA (1) CA447984A (fr)

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