CA345857A - Sound pick-up device - Google Patents

Sound pick-up device

Info

Publication number
CA345857A
CA345857A CA345857A CA345857DA CA345857A CA 345857 A CA345857 A CA 345857A CA 345857 A CA345857 A CA 345857A CA 345857D A CA345857D A CA 345857DA CA 345857 A CA345857 A CA 345857A
Authority
CA
Canada
Prior art keywords
sound pick
pick
sound
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
CA345857A
Other languages
French (fr)
Inventor
K. Spotts Ralph
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA345857A publication Critical patent/CA345857A/en
Expired legal-status Critical Current

Links

CA345857A Sound pick-up device Expired CA345857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA345857T

Publications (1)

Publication Number Publication Date
CA345857A true CA345857A (en) 1934-11-06

Family

ID=35317131

Family Applications (1)

Application Number Title Priority Date Filing Date
CA345857A Expired CA345857A (en) Sound pick-up device

Country Status (1)

Country Link
CA (1) CA345857A (en)

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