AU139094B2 - Improvements in or relating to alternating current buzzers - Google Patents

Improvements in or relating to alternating current buzzers

Info

Publication number
AU139094B2
AU139094B2 AU17121/47A AU1712147A AU139094B2 AU 139094 B2 AU139094 B2 AU 139094B2 AU 17121/47 A AU17121/47 A AU 17121/47A AU 1712147 A AU1712147 A AU 1712147A AU 139094 B2 AU139094 B2 AU 139094B2
Authority
AU
Australia
Prior art keywords
buzzers
relating
alternating current
alternating
current
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
AU17121/47A
Other versions
AU1712147A (en
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
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 AU1712147A publication Critical patent/AU1712147A/en
Publication of AU139094B2 publication Critical patent/AU139094B2/en
Expired legal-status Critical Current

Links

AU17121/47A 1947-12-18 Improvements in or relating to alternating current buzzers Expired AU139094B2 (en)

Publications (2)

Publication Number Publication Date
AU1712147A AU1712147A (en) 1948-02-15
AU139094B2 true AU139094B2 (en) 1948-02-15

Family

ID=

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