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
SPEAKER
摘要
申请公布号
KR920003311(Y1)
申请公布日期
1992.05.25
申请号
KR19900011851U
申请日期
1990.08.06
申请人
YUN, CHA - HYEON
发明人
YUN, CHA - HYEON
分类号
H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
OBSTRUCTION DETECTION SENSOR FOR UNMANNED CARRIER
RADIATION NOISE DECREASING DEVICE
SOUNDPROOF WALL
VIDEO DISPLAY DEVICE
DISPLAY DEVICE AND DISPLAY METHOD
SHEET HEATING METHOD AND DEVICE, AND FIXING METHOD AND DEVICE
ELECTRIFYING MEMBER AND ELECTRIFYING DEVICE
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, COATING LIQUID FOR ELECTRIC CHARGE TRANSPORT LAYER AND METHOD FOR PRODUCING THE ELECTROPHOTOGRAPHIC PHOTORECEPTOR
MULTILAYER ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD FOR PRODUCING THE SAME
CONTROLLER FOR IMAGE OUTPUT DEVICE AND IMAGE FORMING DEVICE USING THE SAME
IMAGE FORMING APPARATUS
PROJECTOR
IMAGE DISPLAY DEVICE
OPTOELECTRONIC DEVICE AND ITS MANUFACTURING METHOD, AND PROJECTION TYPE DISPLAY DEVICE
METHOD AND EQUIPMENT FOR MANUFACTURING LIQUID CRYSTAL DISPLAY PANEL
UNIFORM ILLUMINATION OPTICAL DEVICE HAVING CONCAVE LENS
CAMERA
ACQUISITION SYSTEM FOR CAMERA DATA AND CHARGING SYSTEM FOR ACQUISITION OF CAMERA DATA
LIQUID CRYSTAL DISPLAY AND ITS MANUFACTURING METHOD
APPARATUS AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE
