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AU142857B2 - Improvements relating to electromagnetic sound. recording-or pickup devices - Google Patents

Improvements relating to electromagnetic sound. recording-or pickup devices

Info

Publication number
AU142857B2
AU142857B2 AU20509/48A AU2050948A AU142857B2 AU 142857 B2 AU142857 B2 AU 142857B2 AU 20509/48 A AU20509/48 A AU 20509/48A AU 2050948 A AU2050948 A AU 2050948A AU 142857 B2 AU142857 B2 AU 142857B2
Authority
AU
Australia
Prior art keywords
recording
improvements relating
pickup devices
electromagnetic sound
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
AU20509/48A
Other versions
AU2050948A (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.)
Electrical and Musical Industries Ltd
Original Assignee
Electrical and Musical Industries Ltd
Filing date
Publication date
Application filed by Electrical and Musical Industries Ltd filed Critical Electrical and Musical Industries Ltd
Application granted granted Critical
Publication of AU2050948A publication Critical patent/AU2050948A/en
Publication of AU142857B2 publication Critical patent/AU142857B2/en
Expired legal-status Critical Current

Links

AU20509/48A 1948-05-11 Improvements relating to electromagnetic sound. recording-or pickup devices Expired AU142857B2 (en)

Publications (2)

Publication Number Publication Date
AU2050948A AU2050948A (en) 1948-06-17
AU142857B2 true AU142857B2 (en) 1948-06-17

Family

ID=

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