AU3014757A - Magnetic drum playback circuitry - Google Patents

Magnetic drum playback circuitry

Info

Publication number
AU3014757A
AU3014757A AU30147/57A AU3014757A AU3014757A AU 3014757 A AU3014757 A AU 3014757A AU 30147/57 A AU30147/57 A AU 30147/57A AU 3014757 A AU3014757 A AU 3014757A AU 3014757 A AU3014757 A AU 3014757A
Authority
AU
Australia
Prior art keywords
magnetic drum
playback circuitry
drum playback
circuitry
magnetic
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
AU30147/57A
Other versions
AU219899B2 (en
Inventor
and Franka. Bridges Bernard T. Wilson
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
Filing date
Publication date
Application filed by National Cash Register Co filed Critical National Cash Register Co
Application granted granted Critical
Publication of AU3014757A publication Critical patent/AU3014757A/en
Publication of AU219899B2 publication Critical patent/AU219899B2/en
Expired legal-status Critical Current

Links

AU30147/57A 1957-08-05 Magnetic drum playback circuitry Expired AU219899B2 (en)

Publications (2)

Publication Number Publication Date
AU3014757A true AU3014757A (en) 1958-02-06
AU219899B2 AU219899B2 (en) 1958-02-06

Family

ID=

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