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
Signal transmission system
摘要
申请公布号
US1931063(A)
申请公布日期
1933.10.17
申请号
US19320589397
申请日期
1932.01.28
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. STEPHEN DOBA,
分类号
H04B1/64
主分类号
H04B1/64
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PHASE CURRENT MEASUREMENT DIAGNOSTIC
METHOD AND DEVICE FOR PERFORMING DIRECT COMMUNICATION BETWEEN TERMINALS IN WIRELESS COMMUNICATION SYSTEM
OVERSHOE COMPRISING AN EXPANDABLE OPENING AND METHOD OF PRODUCING SAME
A METHOD AND APPARATUS FOR IDENTIFYING AND COMMUNICATING LOCATIONS
EXPLOSION-PROOF VALVE
MOUNT FOR PORTABLE ELECTRONIC DEVICES
RECOVERING TIMING FROM A SELF-CLOCKING CODED LIGHT SIGNAL
Static gas mixer
ELECTRONIC CIGARETTE AND SUCTION ROD THEREOF
NANOTHERAPEUTICS FOR DRUG TARGETING
VORTEX SPRAY GENERATION SYSTEMS
CMP COMPOSITION CONTAINING ZIRCONIA PARTICLES AND METHOD OF USE
EXPANDABLE OCCLUSION DEVICES AND METHODS OF USE
TRIS(HYDROXYMETHYL)AMINOMETHANE SALTS OF A SMALL-MOLECULE GLP1R AGONIST AND PHARMACEUTICAL COMPOSITIONS AND USES THEREOF
MULTIMEDIA CONFERENCE ENDPOINT TRANSFER SYSTEM
Systems and methods for building axes, co-axes and paleo-geographic coordinates related to a stratified geological volume
MULTI-SOURCE, MULTI-DIMENSIONAL, CROSS-ENTITY, MULTIMEDIA DATABASE PLATFORM APPARATUSES, METHODS AND SYSTEMS
ROD-SHAPED MEMBER CHUCKING DEVICE AND ROD-SHAPED MEMBER CHUCKING METHOD
STACKED PIEZOELECTRIC ELEMENT AND MULTIFEED DETECTION SENSOR
BLISTER CARDS PROMOTING INTUITIVE DOSING