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
Directional antenna
摘要
申请公布号
US2183784(A)
申请公布日期
1939.12.19
申请号
US19350000342
申请日期
1935.01.04
申请人
RADIO CORPORATION OF AMERICA
发明人
CARTER PHILIP S.
分类号
H01Q19/24
主分类号
H01Q19/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PROTOCOL-INDEPENDENT ASSET TRADING SYSTEM AND METHODS
SELF-ALIGNED LATERAL HETEROJUNCTION BIPOLAR TRANSISTOR
LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
INDIVIDUAL VENTILATED CAGING SYSTEM
A ROLLING AND FEEDING STRUCTURE OF A FABRIC ROLLING MACHINE
KNITTING MACHINE FOR MANUFACTURING PLUSH FABRICS
POLYBUTYLENE TEREPHTHALATE LAMINATE FILM AND ITS USE
Soil probe insertion arrangement and method of use
Processes for treating coral and coating an object
Device for transporting people by a spreader
Reverse-cycle heat pump system and device for improving cooling efficiency
PROCEDIMENTO DI LAVORAZIONE DELL'OCCHIO PICCOLO DI UNA BIELLA DI MOTORE E BIELLA COSI'OTTENUTA
COLORING COMPOSITION, INK-JET RECORDING LIQUID, METHOD FOR INK-JET RECORDING, COLOR TONER, COLOR FILTER, OPTICAL INFORMATION RECORDING MEDIUM, METHOD FOR RECORDING OPTICAL INFORMATION AND METAL CHELATE DYE
IMAGE PROCESSING METHOD AND DEVICE
IMAGING DEVICE AND METHOD
IMAGE PICKUP APPARATUS, VIDEO SIGNAL SELECTOR, DRIVING SUPPORT APPARATUS, AND AUTOMOBILE
PERSONAL OBJECT DETERMINATION DEVICE AND PERSONAL OBJECT DETERMINATION PROGRAM
FACE IMAGE RECOGNITION AND PORTRAIT CREATION MANAGEMENT SYSTEM
SYSTEM AND METHOD FOR IMAGE BASED PHYSIOLOGICAL MONITORING OF CARDIOVASCULAR FUNCTION
INK JET WHITE INK COMPOSITION COAT AND METHOD FOR INK JET PRINTING USING THE SAME
