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CA309870A - Sound recording and reproducing apparatus - Google Patents

Sound recording and reproducing apparatus

Info

Publication number
CA309870A
CA309870A CA309870A CA309870DA CA309870A CA 309870 A CA309870 A CA 309870A CA 309870 A CA309870 A CA 309870A CA 309870D A CA309870D A CA 309870DA CA 309870 A CA309870 A CA 309870A
Authority
CA
Canada
Prior art keywords
reproducing apparatus
sound recording
sound
recording
reproducing
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
CA309870A
Other languages
French (fr)
Inventor
L. Heisler Charles
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA309870A publication Critical patent/CA309870A/en
Expired legal-status Critical Current

Links

CA309870A Sound recording and reproducing apparatus Expired CA309870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA309870T

Publications (1)

Publication Number Publication Date
CA309870A true CA309870A (en) 1931-03-31

Family

ID=35269194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309870A Expired CA309870A (en) Sound recording and reproducing apparatus

Country Status (1)

Country Link
CA (1) CA309870A (en)

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