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
ANONYMITY IN A PRESENCE MANAGEMENT SYSTEM
摘要
申请公布号
EP1240756(B1)
申请公布日期
2008.03.26
申请号
EP20000979753
申请日期
2000.11.27
申请人
NORTEL NETWORKS LIMITED
发明人
DAVIES, ELWYN B.;HARKER, ANDREW NEWTON;STRINGER, DAVID ROBERT;PARSONS, ERIC W.;ARMSTRONG, STEVEN M.
分类号
H04L12/24;H04L12/58;H04L12/18;H04L12/26
主分类号
H04L12/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INK JET DIRECTION ADJUSTMENT METHOD
MONOPLANE-TYPE SOLID IMAGE PICKUP DEVICE
TRANSMISSION SYSTEM FOR FACSIMILE PICTURE SIGNAL
TEST-CALL GENERATOR
SEQUENTIAL SWITCHER
TUNING DISPLAY DEVICE
MANUFACTURE OF FLAT MASK AND ITS DEVICE
MANUFACTURING DEVICE FOR EXPLOSION-PROOF CATHODE-RAY TUBE
CONTROLLING METHOD FOR WASTE INCINERATOR
BLOW-BY GAS PROCESSING DEVICE FOR INTERNAL-COMBUSTION ENGINE
ELECTROCHROMIC DISPLAY DEVICE
MOVABLE RADIO COMMUNICATION NETWORK
CONVERTING METHOD FOR DATA OF REORDER PRINTING
COMBUSTION APPARATUS FOR PETROLEUM
FLUID PUMPING MACHINE
FREMGANGSMAADE TIL DYRKNING AF PLANTER OG ANORDNING TIL BRUG VED FREMGANGSMAADEN
SYSTEM FOR SUPPLYING SECONDARY AIR FOR ENGINE
FREMGANGSMAATE TIL STOEPNING AV PLAST.
HYDRAULISK STENGEVENTIL.
BLANDING FOR STOEPERIFORMAAL.