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
Foerfarande och arrangemang foer ljudkommunikation
摘要
申请公布号
FI980140(A0)
申请公布日期
1998.01.22
申请号
FI19980000140
申请日期
1998.01.22
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
SILEN, LARS
分类号
H04R3/00;(IPC1-7):H04M
主分类号
H04R3/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Alkylation process with efficient effluent refrigeration
Battery pack having a dual-type smart card interface
Apparatus for and method of generating image, and computer program product
Optical element and projection image display apparatus using the same
Method and apparatus for energy efficient high pressure extraction
Engaging structure for runner of an umbrella
Steam engine
Electrical cardiac output forcer
Pyrrolidine sulfonamides
Triode structure of field emission display and fabrication method thereof
Weatherproof receptacle cover with adapter plate
THREE-DIMENSIONAL QUANTUM DOT STRUCTURE FOR INFRARED PHOTODETECTION
Magnet recording medium
A PLASTIC COMPOSITE ELEMENT
Adhesive applicator tip with a polymerization initiator, polymerization rate modifier, and/or bioactive material
Linear guide bearing apparatus
Pattern detection
Traffic line recognition device
Recording apparatus and recording method
Lens driving mechanism and image capture apparatus
