| 发明名称 |
DRIVING SYSTEM FOR ELECTRICCACOUSTIC CNVERTER OF PIEZOELECTRIC TYPE |
| 摘要 |
<p>PURPOSE:To provide a driving system, in which signals are rectified in full wave manners and applied to a flat vibrating diaphragm so that the sound pressures corresponding completely to the driving voltage waves may be produced.</p> |
| 申请公布号 |
JPS5245922(A) |
申请公布日期 |
1977.04.12 |
| 申请号 |
JP19750121521 |
申请日期 |
1975.10.08 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
HIDA MIZUHIRO;SHIRATORI YOSHIO;OOGA TOSHIROU |
| 分类号 |
H04R17/00;B06B1/02;H04R3/04 |
主分类号 |
H04R17/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
