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
Frequency modulation detector
摘要
申请公布号
US2576833(A)
申请公布日期
1951.11.27
申请号
US19480027906
申请日期
1948.05.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
GOODALL WILLIAM M.
分类号
H03D9/04
主分类号
H03D9/04
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Focused compression mitral valve device and method
Optical display device and method for addressing the pixels of the same
Di-substituted surfactant precursors and derived surfactants
Acicular crystals of hydrazine-based diurea derivatives and their use as rheology modifiers in coating and adhesive compositions
Arrayed waveguide grating
Rendering 3d objects with parametric texture maps
Rotomoulding using low frequency vibrations
Method and system for facilitating e-business
Damping arrangement
Sunspot skin cream
Dermopharmaceutically and cosmetically active oligopeptides
Extracorporeal device for treating human blood
Managing identification in a data communications network
System and method for facilitating the exchange of health care transactional information
Proteins involved in regulation of adipocytes and uses related thereto
Risk management clearinghouse
AMPLIFICATORE OPERAZIONALE AVANZATO A SINGOLO STADIO DI CLASSE AB
Method of etching high aspect ratio features
A method in a telecommunication system
,,INNESTO A FRIZIONE CENTRIFUGO REGOLABILE,,