AU249331A - Improvements in or relating to sound recording systems - Google Patents

Improvements in or relating to sound recording systems

Info

Publication number
AU249331A
AU249331A AU2493/31A AU249331A AU249331A AU 249331 A AU249331 A AU 249331A AU 2493/31 A AU2493/31 A AU 2493/31A AU 249331 A AU249331 A AU 249331A AU 249331 A AU249331 A AU 249331A
Authority
AU
Australia
Prior art keywords
relating
sound recording
recording systems
systems
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
AU2493/31A
Inventor
Joseph Round Henry
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Publication date
Publication of AU249331A publication Critical patent/AU249331A/en
Expired legal-status Critical Current

Links

AU2493/31A Improvements in or relating to sound recording systems Expired AU249331A (en)

Publications (1)

Publication Number Publication Date
AU249331A true AU249331A (en) 1931-09-27

Family

ID=

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