AU30137A - Improvements in and relating to microphones - Google Patents

Improvements in and relating to microphones

Info

Publication number
AU30137A
AU30137A AU301/37A AU30137A AU30137A AU 30137 A AU30137 A AU 30137A AU 301/37 A AU301/37 A AU 301/37A AU 30137 A AU30137 A AU 30137A AU 30137 A AU30137 A AU 30137A
Authority
AU
Australia
Prior art keywords
microphones
relating
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
AU301/37A
Other versions
AU101770B2 (en
Inventor
Matthias Streets Charles
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.)
SHAFTESBURY MICROPHONES Ltd
Original Assignee
SHAFTESBURY MICROPHONES Ltd
Filing date
Publication date
Application filed by SHAFTESBURY MICROPHONES Ltd filed Critical SHAFTESBURY MICROPHONES Ltd
Application granted granted Critical
Publication of AU101770B2 publication Critical patent/AU101770B2/en
Publication of AU30137A publication Critical patent/AU30137A/en
Expired legal-status Critical Current

Links

AU301/37A 1937-01-23 Improvements in and relating to microphones Expired AU101770B2 (en)

Publications (2)

Publication Number Publication Date
AU101770B2 AU101770B2 (en) 1937-08-19
AU30137A true AU30137A (en) 1937-08-19

Family

ID=

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