JPS6127275Y2 - - Google Patents

Info

Publication number

JPS6127275Y2

JPS6127275Y2 JP5347381U JP5347381U JPS6127275Y2 JP S6127275 Y2 JPS6127275 Y2 JP S6127275Y2 JP 5347381 U JP5347381 U JP 5347381U JP 5347381 U JP5347381 U JP 5347381U JP S6127275 Y2 JPS6127275 Y2 JP S6127275Y2

Authority

JP

Japan

Prior art keywords

piezoelectric

speaker

holding member

diaphragm

piezoelectric diaphragm

Prior art date

1981-04-13

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

Links

• Espacenet
• Global Dossier
• Discuss

• 239000000463 material Substances 0.000 claims description 11
• 210000002105 tongue Anatomy 0.000 claims description 9
• 239000002184 metal Substances 0.000 claims description 6
• 239000002131 composite material Substances 0.000 claims description 2
• 230000002093 peripheral effect Effects 0.000 claims description 2
• 239000000853 adhesive Substances 0.000 description 3
• 230000001070 adhesive effect Effects 0.000 description 3
• 238000010030 laminating Methods 0.000 description 2
• JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
• 230000002238 attenuated effect Effects 0.000 description 1
• 238000005452 bending Methods 0.000 description 1
• 239000006260 foam Substances 0.000 description 1