Title:
圧電スピーカ
Document Type and Number:
Japanese Patent JP3597061
Kind Code:
B2
Abstract:
Disclosed is a piezoelectric diaphragm with a transparent piezoelectric member and a transparent electrode. Also disclosed is a portable electronic device that has a display means to display an image and a piezoelectric speaker having a transparent piezoelectric member and a transparent electrode. In this portable electronic device, the piezoelectric speaker is disposed in front of the display means.
Inventors:
Nozomi Toki
Application Number:
JP33841898A
Publication Date:
December 02, 2004
Filing Date:
November 13, 1998
Export Citation:
Assignee:
NEC
International Classes:
B06B1/06; G02F1/13; H04M1/02; H04M1/03; H04N5/64; H04R17/00; B06B1/02; (IPC1-7): H04R17/00; H04M1/02; H04M1/03
Domestic Patent References:
| JP56152399A | ||||
| JP334391U | ||||
| JP4105796U |
Attorney, Agent or Firm:
Shiroyuki Hori