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
Phase modulation
摘要
申请公布号
US2320963(A)
申请公布日期
1943.06.01
申请号
US19410417811
申请日期
1941.11.04
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
WRATHALL LEISHMAN R.
分类号
H03C3/18
主分类号
H03C3/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
High-Yield Paper and Methods of Making Same
Friction type continuously variable transmission
Measuring Tape Notepad
TARGETED GENE DISRUPTIONS IN THE IQGAP2 GENE
ARROW
SOLID POLYMERIC MATERIALS FOR DETECTION, TRANSFER, AMPLIFICATION AND MEMORY OF CHIRALITY OF OPTICALLY ACTIVE COMPOUNDS
QUINAZOLINE DERIVATIVES
Mold clamping mechanism and injection-molding method
STORAGE MINIMIZATION TECHNIQUE FOR DIRECT ANONYMOUS ATTESTATION KEYS
TAPE PRINTER
DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME
SUBSTRATE SUPPORT IN A REACTIVE SPUTTER CHAMBER
VIRTUAL PROCESS COLLABORATION
COMMUNICATION SYSTEM HAVING MESSAGE ENCRYPTION
APPARATUS AND METHOD FOR PROVIDING PEER-TO-PEER PROXY SERVICE WITH TEMPORARY STORAGE MANAGEMENT AND TRAFFIC LOAD BALANCING IN PEER-TO-PEER COMMUNICATIONS
SYSTEM FOR SIMILAR DOCUMENT DETECTION
LOCATOR RESOLUTION IN COMMUNICATIONS NETWORKS
LATTICE PLATE FOR LEAD STORAGE BATTERY, POLE PLATE AND LEAD STORAGE BATTERY PROVIDED WITH THIS POLE PLATE
METHOD AND DEVICE FOR DETERMINING ANTENNA COOPERATION SET, METHOD AND DEVICE FOR DETERMINING BASE STATION COOPERATION SET
UNSATURATED ACIDS FOR FADING PROTECTION OF COLORS DERIVED FROM NATURAL SOURCES USED IN BEVERAGE PRODUCTS