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
OPTICAL CROSSBAR SWITCH
摘要
申请公布号
EP1444859(A2)
申请公布日期
2004.08.11
申请号
EP20020777474
申请日期
2002.11.06
申请人
UNIVERSITY OF OTTAWA
发明人
HALL, TREVOR, JAMES
分类号
H04Q11/00;(IPC1-7):H04Q11/00
主分类号
H04Q11/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Improvements in or relating to automatic control apparatus, especially for aircraft
Improvements in concentration of liquids by freezing
Improvements in or relating to the preservation of bread and similar bakery goods
Improvements in writing instruments
Electrical conductor joints
Improvements in or relating to steam generating plant
Improvements in or relating to remote control and supervisory systems
Improvements in or relating to ball-joint coal-cutter chains
Lamp stem head
An improved optical projection system in a weight and price computing scale
Improvements in and relating to fencing
Hydraulic packings
Improvements in tools for banding packages or the like
A method and apparatus for the continuous reaction of gaseous or vapour substances with liquid
Improvements in or relating to chucks
Rectification of molten salt baths
Polyhydroxy nitro compounds and method for their preparation
Wire receptacle construction
A rowlock
Apparatus for retreading or remoulding pneumatic tyre covers