首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Piezoelectric transformer
摘要
The external surface alternately takes up an elliptical cylinder along a first elliptical axis (S1) and a second elliptical cylinder along a second axis (S2) which is perpendicular forming vibrating surfaces, having a low fundamental frequency.
申请公布号
EP0898313(A1)
申请公布日期
1999.02.24
申请号
EP19970114229
申请日期
1997.08.18
申请人
ETA SA FABRIQUES D'EBAUCHES
发明人
LE LETTY, RONAN
分类号
H01L41/107
主分类号
H01L41/107
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Portable storage protection device
Circuit, system, and method for fine tuning crystal frequency accuracy
PRO19563 polypeptides
Compressor
Multiple instruction dispatch tables for application program obfuscation
Positional information determining apparatus
Device and method for changing connection types between a fixed or variable state with an external switching unit
Hinge device
New Guinea Impatiens plant named 'Tamar White Improved'
Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same
Closed-loop power controlled radio communication system
Device and process for extracorporeal treatment by citrate anticoagulant
Method and apparatus for automatic time correction of a mechanical clock
Mobile robotic system and battery charging method therefor
Methods of making wind turbine rotor blades
Assembly for a microstimulator
Early diagnosis of conformational diseases
Thin film transistor array panel and method for manufacturing the same
Method and apparatus for rewarding multiple game players for a single win
Chair