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AU159124B2 - Improvements in or relating to magnetic sound recording methods and recording heads therefor - Google Patents
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AU159124B2 - Improvements in or relating to magnetic sound recording methods and recording heads therefor - Google Patents

Improvements in or relating to magnetic sound recording methods and recording heads therefor

Info

Publication number
AU159124B2
AU159124B2 AU7403/52A AU740352A AU159124B2 AU 159124 B2 AU159124 B2 AU 159124B2 AU 7403/52 A AU7403/52 A AU 7403/52A AU 740352 A AU740352 A AU 740352A AU 159124 B2 AU159124 B2 AU 159124B2
Authority
AU
Australia
Prior art keywords
relating
magnetic sound
recording
heads therefor
methods
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
AU7403/52A
Other versions
AU740352A (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU740352A publication Critical patent/AU740352A/en
Publication of AU159124B2 publication Critical patent/AU159124B2/en
Expired legal-status Critical Current

Links

AU7403/52A 1952-01-15 Improvements in or relating to magnetic sound recording methods and recording heads therefor Expired AU159124B2 (en)

Publications (2)

Publication Number Publication Date
AU740352A AU740352A (en) 1952-03-20
AU159124B2 true AU159124B2 (en) 1952-03-20

Family

ID=

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