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
FOUR BAND SLOT ANTENNA
摘要
A multiple radiator microwave antenna comprising four separate discretely tuned cavity-backed slot antennas for providing a unidirectional radiated RF energy field in a narrow beam along a common axis at four discrete frequencies.
申请公布号
US3701161(A)
申请公布日期
1972.10.24
申请号
USD3701161
申请日期
1970.05.11
申请人
TRAK MICROWAVE CORP.
发明人
BENJAMIN F. GREGORY
分类号
H01Q5/00;H01Q13/18;(IPC1-7):H01Q13/10
主分类号
H01Q5/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Wideband frequency synthesizer and frequency synthesizing method thereof
Bipolar isolated high voltage sampling network
Semiconductor device
Spool insulator system
Canola hybrid 45S51
Method for silver deposition for a non-volatile memory device
Single layer small grain size FePT:C film for heat assisted magnetic recording media
Wood preservatives containing copper complexes
Dual-tip straight pin and method of use
Vacuum filling and degasification system
Versatile control handle for watercraft docking system
Skateboard truck
Thermoplastic liner for casting textures and objects into poured wall
Pour spout for mason jar
Bubble top
Barbecue apparatus
Security systems and methods to reduce data leaks in enterprise networks
Securing data using integrated host-based data loss agent with encryption detection
Cross-VM network filtering
Methods, systems, and computer readable media for media session policy compliance auditing and enforcement using a media relay and session initiation protocol (SIP) signaling