JPH02108499U - - Google Patents

Info

Publication number

JPH02108499U

JPH02108499U JP1733789U JP1733789U JPH02108499U JP H02108499 U JPH02108499 U JP H02108499U JP 1733789 U JP1733789 U JP 1733789U JP 1733789 U JP1733789 U JP 1733789U JP H02108499 U JPH02108499 U JP H02108499U

Authority

JP

Japan

Prior art keywords

supporting member

supported

piezoelectric

foam

piezoelectric speaker

Prior art date

1989-02-15

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000006260 foam Substances 0.000 claims description 3
• 239000002184 metal Substances 0.000 claims description 2
• 239000007769 metal material Substances 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1
• WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
• 239000012528 membrane Substances 0.000 description 1