AU2918330A - Improvements in or connected with microphones and like devices - Google Patents

Improvements in or connected with microphones and like devices

Info

Publication number
AU2918330A
AU2918330A AU29183/30A AU2918330A AU2918330A AU 2918330 A AU2918330 A AU 2918330A AU 29183/30 A AU29183/30 A AU 29183/30A AU 2918330 A AU2918330 A AU 2918330A AU 2918330 A AU2918330 A AU 2918330A
Authority
AU
Australia
Prior art keywords
microphones
devices
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
AU29183/30A
Inventor
Deforest Lee
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.)
BRITISH TALKING PICTURES Ltd
Original Assignee
BRITISH TALKING PICTURES Ltd
Filing date
Publication date
Application filed by BRITISH TALKING PICTURES Ltd filed Critical BRITISH TALKING PICTURES Ltd
Publication of AU2918330A publication Critical patent/AU2918330A/en
Expired legal-status Critical Current

Links

AU29183/30A 1930-09-23 Improvements in or connected with microphones and like devices Expired AU2918330A (en)

Publications (1)

Publication Number Publication Date
AU2918330A true AU2918330A (en) 1930-10-03

Family

ID=

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