AU275192B2 - Telephone transducer operable as microphone and tone sounder - Google Patents

Telephone transducer operable as microphone and tone sounder

Info

Publication number
AU275192B2
AU275192B2 AU39005/63A AU3900563A AU275192B2 AU 275192 B2 AU275192 B2 AU 275192B2 AU 39005/63 A AU39005/63 A AU 39005/63A AU 3900563 A AU3900563 A AU 3900563A AU 275192 B2 AU275192 B2 AU 275192B2
Authority
AU
Australia
Prior art keywords
microphone
transducer operable
tone sounder
telephone transducer
telephone
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
AU39005/63A
Other versions
AU3900563A (en
Inventor
Ernest Charles Brown Ronald
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of AU275192B2 publication Critical patent/AU275192B2/en
Publication of AU3900563A publication Critical patent/AU3900563A/en
Expired legal-status Critical Current

Links

AU39005/63A 1962-12-31 1963-12-18 Telephone transducer operable as microphone and tone sounder Expired AU275192B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB49100/62 1962-12-31

Publications (2)

Publication Number Publication Date
AU275192B2 true AU275192B2 (en) 1965-06-24
AU3900563A AU3900563A (en) 1965-06-24

Family

ID=

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