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
Modulator circuit
摘要
申请公布号
US2692371(A)
申请公布日期
1954.10.19
申请号
US19520285106
申请日期
1952.04.30
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BALCH HUGH T.
分类号
H03C1/54
主分类号
H03C1/54
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Blade profile for wind turbine
A circuit breaker mechanism
NEW METHOD FOR THE PREPARATION OF 3,4-DIHYDROXY-5-NITROBENZALDEHYDE
EXTRACTION OF HALOCARBON CONTMINANTS FROM HYDROPHOBIC MATRICES
Electron beam pattern-writing column
Automatic film processing apparatus
Vertical lift chair
Transportinrichting.
Speech recognition apparatus.
SMART-CARD BASED ACCESS CONTROL SYSTEM WITH IMPROVED SECURITY
POWER FACTOR CORRECTED ELECTRICAL POWER CONVERTER
CYTOLOGICAL SYSTEM AUTOFOCUS INTEGRITY CHECKING APPARATUS
APPARATUS FOR FORMING SHEETS OF MATERIAL HAVING A UNIFORM THICKNESS AND CUTTING INDIVIDUAL PORTIONS THEREFROM
Laser beam generator
Novel compounds
Novel compounds
Novel compounds
Novel compounds
Novel compounds
Lamp
