CA469177A - Sound recording and reproducing control systems - Google Patents

Sound recording and reproducing control systems

Info

Publication number
CA469177A
CA469177A CA469177A CA469177DA CA469177A CA 469177 A CA469177 A CA 469177A CA 469177 A CA469177 A CA 469177A CA 469177D A CA469177D A CA 469177DA CA 469177 A CA469177 A CA 469177A
Authority
CA
Canada
Prior art keywords
control systems
sound recording
reproducing control
reproducing
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
CA469177A
Other languages
French (fr)
Inventor
C. Curtis Roger
W. Roberts Frederick
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.)
Dictaphone Corp
Original Assignee
Dictaphone Corp
Publication date
Application granted granted Critical
Publication of CA469177A publication Critical patent/CA469177A/en
Expired legal-status Critical Current

Links

CA469177A Sound recording and reproducing control systems Expired CA469177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA469177T

Publications (1)

Publication Number Publication Date
CA469177A true CA469177A (en) 1950-11-07

Family

ID=35603111

Family Applications (1)

Application Number Title Priority Date Filing Date
CA469177A Expired CA469177A (en) Sound recording and reproducing control systems

Country Status (1)

Country Link
CA (1) CA469177A (en)

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