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
IMPROVEMENTS RELATING TO ELECTRICAL NETWORKS FOR ECHO PATTERN GENERATION
摘要
申请公布号
GB1243289(A)
申请公布日期
1971.08.18
申请号
GB19690008217
申请日期
1969.02.14
申请人
THE POST OFFICE
发明人
JOHN DAVID BROWNLIE
分类号
H03H7/48;H04B3/14;H04N7/10
主分类号
H03H7/48
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Drain plug with a central drainage aperture for a bathtub
Answering queries using query signatures and signatures of cached semantic regions
Low power consumption integrated circuit delay locked loop and method for controlling the same
Solar battery system
Information embedding based on user relevance feedback for object retrieval
Optical sensor unit and procedure for the ultrasensitive detection of chemical or biochemical analytes
Polymers and use thereof
Soft magnetic film soft magnetic multilayer film method of manufacturing the same and magnetic device
Stable O/W/O emulsion and its use as a cosmetic and/or dermatological composition
Method for the vacuum distillation of a liquid product, particularly oil stock, (variants) and system for realizing the same
Ceramic fusion implants and compositions
Image processing system and its smoothing method for correcting color fog and backlight of a digital image
Compounds and methods for modulating cell adhesion
Nucleic acid molecules encoding GLUTX and uses thereof
Procedure for controlling an elevator group where virtual passenger traffic is generated
Porous material, method for making same and applications
Dedicated function fabric for use in field programmable gate arrays
Methods for preparation of 2-(4-(4-(4,5-dichloro-2-methylimidazol-1-yl)butyl)-1-piperazinyl)-5-fluoropyrimidine and salts thereof
Method of allophycocyanin inhibition of enterovirus and influenza virus reproduction resulting in cytopathic effect
System and method of soft decision decoding
