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
DUTY CYCLE CONTROL APPARATUS
摘要
申请公布号
US3624475(A)
申请公布日期
1971.11.30
申请号
USD3624475
申请日期
1969.03.24
申请人
WESTINGHOUSE BRAKE AND SIGNAL CO. LTD.
发明人
BRIAN TURTON SMITH
分类号
H02P7/29;(IPC1-7):H02P5/16
主分类号
H02P7/29
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ELECTROMAGNETIC INDUCTION HEATING COOKER
COLLAPSE SIMULATION PROGRAM FOR WOODEN BUILDING
METHOD AND APPARATUS OF SUBSTRATE SUCKING
INSURANCE MERCHANDISE RETRIEVAL SYSTEM
METHOD FOR MEASURING RADIOACTIVITY USING ULTRA-LOW TEMPERATURE MICRO-CALORIMETER, METHOD FOR MEASURING BIOMASS DEGREE, METHOD FOR MEASURING NEUTRON FLUENCE, AND METHOD FOR ABSOLUTE MEASUREMENT OF RADIOACTIVITY
VEHICLE OPERATION MANAGEMENT SYSTEM
DISPLAY DEVICE
PROCESS AND APPARATUS FOR CONVERSION OF ORGANIC, WASTE, OR LOW-VALUE MATERIALS INTO USEFUL PRODUCTS
FASTENING STRUCTURE OF VEHICLE
SHOWER HEAD
PHYSICAL QUANTITY SENSOR ELEMENT, PHYSICAL QUANTITY SENSOR AND ELECTRONIC EQUIPMENT
FLOW SUMMATION SYSTEM FOR CONTROLLING VARIABLE DISPLACEMENT HYDRAULIC PUMP
NONVOLATILE MEMORY ELEMENT AND METHOD FOR MANUFACTURING THE SAME
NONVOLATILE MEMORY ELEMENT, NONVOLATILE MEMORY ELEMENT GROUP AND MANUFACTURING METHOD OF THE SAME
LED LAMP
FLUORESCENT LAMP TYPE LED LIGHTING FIXTURE
MEMORY BANK SYSTEM, MEMORY INFORMATION MANAGEMENT DEVICE AND DEVICE OPERATION CONTROL METHOD
RECOMBINANT POLYVALENT VACCINE
LIGHT-EMITTING DEVICE
PROJECT PROCESS MANAGEMENT SYSTEM AND MILESTONE DISPLAY METHOD
