AU149695B2 - Improvements in piezoelectric sound reproducing devices - Google Patents

Improvements in piezoelectric sound reproducing devices

Info

Publication number
AU149695B2
AU149695B2 AU1149/51A AU114951A AU149695B2 AU 149695 B2 AU149695 B2 AU 149695B2 AU 1149/51 A AU1149/51 A AU 1149/51A AU 114951 A AU114951 A AU 114951A AU 149695 B2 AU149695 B2 AU 149695B2
Authority
AU
Australia
Prior art keywords
sound reproducing
reproducing devices
piezoelectric sound
piezoelectric
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
AU1149/51A
Other versions
AU114951A (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.)
Electrical and Musical Industries Ltd
Original Assignee
Electrical and Musical Industries Ltd
Filing date
Publication date
Application filed by Electrical and Musical Industries Ltd filed Critical Electrical and Musical Industries Ltd
Application granted granted Critical
Publication of AU149695B2 publication Critical patent/AU149695B2/en
Publication of AU114951A publication Critical patent/AU114951A/en
Expired legal-status Critical Current

Links

AU1149/51A 1951-03-01 Improvements in piezoelectric sound reproducing devices Expired AU149695B2 (en)

Publications (2)

Publication Number Publication Date
AU149695B2 true AU149695B2 (en) 1951-05-03
AU114951A AU114951A (en) 1951-05-03

Family

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