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
A new or improved teaching apparatus
摘要
申请公布号
GB936109(A)
申请公布日期
1963.09.04
申请号
GB19620029811
申请日期
1962.08.02
申请人
ADRIAN B. SANFORD
发明人
分类号
G09B3/08
主分类号
G09B3/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Control method for cooling an industrial plant
System including at least one automation unit
Preamplifier and optical receiving apparatus using the same
High performance gigabit passive optical network
Imager with auto focus functionality
System and method for rendering a binary volume in a graphics processing unit
Factoring based modular exponentiation
Method and apparatus for providing ringback in a telecommunications network
Measuring a horizontal eye opening during system operation
Automated dispersion compensation over a broad wavelength range for coherent optical pulses
AC coupling circuit integrated with receiver with hybrid stable common-mode voltage generation and baseline wander compensation
Signal processing apparatus, signal processing method, and program
Secondary synchronization sequences for cell group detection in a cellular communications system
Coding methods of communicating identifiers in peer discovery in a peer-to-peer network
Method, system and apparatus for performing mobile internet protocol deregistering
Generic trau frame structure
System and method for clustering wireless devices in a wireless network
Method and apparatus for writing data on storage medium
Automatic DTS CD Versus CD-DA detection within a file system-based device
System and method of monitoring packets in flight for optimizing packet traffic in a network
