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
SYSTEM AND METHOD FOR PROVIDING RING BACK TONE
摘要
申请公布号
KR20070045444(A)
申请公布日期
2007.05.02
申请号
KR20050101736
申请日期
2005.10.27
申请人
SK TELECOM CO., LTD.
发明人
LEE, CHANG SEOK;OH, SE HYUN;HA, SEONG HO;CHO, CHAE HWAN;MOON, JUNG BAE
分类号
H04W4/16;H04W4/12
主分类号
H04W4/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Biodegradable smart sensor for mesh network applications
Failsafe signal transmission for wireless sensor mesh
Product managing apparatus and control method
High coupling, low loss saw filter and associated method
High-frequency line structure for impedance matching a microstrip line to a resin substrate and method of making
Transformer with bypass capacitor
Piezoelectric vibrator, method of manufacturing piezoelectric vibrator, oscillator, electronic equipment and radio-controlled timepiece
Power amplifying circuit
Apparatus and method for supporting access in wireless communication system
Method and system for utilizing standardized interface in a wireless device to discover and use local and remote resources
Digital broadcasting system and method of processing data
System and method of distributing digital content
MIMO beamforming-based single carrier frequency division multiple access system
Thermally assisted magnetic write head employing a plasmonic antenna comprising an alloyed film to improve the hardness and manufacturability of the antenna
Electronic device and method providing improved bedtime mode of operation
Dynamic random access memory device and method for self-refreshing memory cells with temperature compensated self-refresh
Semiconductor memory device for data sensing
Sense amplifier and sense amplifier latch having common control
Local IO sense accelerator for increasing read/write data transfer speed
MRI gradient field detector
