AU286153B2 - Improvements in or relating to carbon microphones - Google Patents

Improvements in or relating to carbon microphones

Info

Publication number
AU286153B2
AU286153B2 AU46886/64A AU4688664A AU286153B2 AU 286153 B2 AU286153 B2 AU 286153B2 AU 46886/64 A AU46886/64 A AU 46886/64A AU 4688664 A AU4688664 A AU 4688664A AU 286153 B2 AU286153 B2 AU 286153B2
Authority
AU
Australia
Prior art keywords
relating
carbon microphones
microphones
carbon
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
AU46886/64A
Other versions
AU4688664A (en
Inventor
Crisp Beadle Anthony
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU4688664A publication Critical patent/AU4688664A/en
Publication of AU286153B2 publication Critical patent/AU286153B2/en
Expired legal-status Critical Current

Links

AU46886/64A 1963-07-23 1964-07-14 Improvements in or relating to carbon microphones Expired AU286153B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB29131/63 1963-07-23

Publications (2)

Publication Number Publication Date
AU4688664A AU4688664A (en) 1966-01-20
AU286153B2 true AU286153B2 (en) 1966-01-20

Family

ID=

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