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
Telegraph switching center arrangement
摘要
申请公布号
US2905745(A)
申请公布日期
1959.09.22
申请号
US19560625098
申请日期
1956.11.29
申请人
GENERAL TELEPHONE LABORATORIES, INCORPORATED
发明人
KOLPEK ROBERT A.
分类号
H04L12/54
主分类号
H04L12/54
代理机构
代理人
主权项
地址
您可能感兴趣的专利
NAVIGATION SYSTEM
PRINTING CONTROL PROGRAM AND INFORMATION PROCESSOR
METHOD OF PRODUCING METALLIC TITANIUM
VALVE DEVICE AND VALVE INSERTION CONSTRUCTION METHOD
METHOD FOR RECYCLING WASTE OPTICAL FIBER
RADIO VIDEO TRANSMITTING APPARATUS AND RADIO VIDEO TRANSMITTING/RECEIVING SYSTEM
COMMUNICATION QUALITY ASSURANCE METHOD IN COMMUNICATION OF LOGICAL NETWORK, COMMUNICATION SYSTEM FOR IMPLEMENTING THE METHOD, QoS MANAGEMENT DEVICE AND TERMINAL USED FOR THE METHOD, AND COMPUTER PROGRAM FOR REALIZING THE QoS MANAGEMENT DEVICE AND TERMINAL
TRANSMISSION METHOD AND APPARATUS FOR SYNCHRONOUS DATA AND ALARM DATA
IMAGE PROCESSOR, IMAGE FORMING APPARATUS, IMAGE PROCESSING METHOD, PROGRAM, AND MEMORY MEDIUM
PHOTO INTERRUPTER
MOBILE RADIO SYSTEM
PACKAGING CONTAINER AND PACKAGED BODY
PET BOTTLE WATER HEATER AND JOINT CAP
PHOTOELECTRIC FIELD SENSOR
MATRIX OPTICAL SWITCH WITH LIGHT SIGNAL LOSS EVASION CIRCUIT, AND METHOD OF EVADING LIGHT SIGNAL LOSS BY USING THE SAME
CONNECTOR FOR HANDRAIL MEMBER
WIRING BOARD
LIGHTING FIXTURE FOR VEHICLE
CONTROL LEVER SAFETY DEVICE FOR HEAVY EQUIPMENT
COPPER FOIL WHICH CAN DEAL WITH HIGH-FREQUENCY APPLICATION AND METHOD FOR MANUFACTURING THE SAME
