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
Signaling system
摘要
申请公布号
US2218848(A)
申请公布日期
1940.10.22
申请号
US19380214724
申请日期
1938.06.20
申请人
ASSOCIATED ELECTRIC LABORATORIES, INC.
发明人
LOMAX CLARENCE ERNEST
分类号
H01H67/06;H01H67/12;H04Q3/00
主分类号
H01H67/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LEVEL GENERATION CIRCUIT
AUDIO SIGNAL AMPLIFICATION DEVICE
BROADCAST RECEIVER, CONTROL METHOD, AND CONTROL PROGRAM
TELEVISION APPARATUS
WAFER POLISHING METHOD, PIEZOELECTRIC VIBRATION PIECE MANUFACTURING METHOD, PACKAGE MANUFACTURING METHOD, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS AND ATOMIC CLOCK
COMMUNICATION SYSTEM, MOBILE STATION DEVICE, BASE STATION DEVICE, RADIO RESOURCE ALLOCATION METHOD AND INTEGRATED CIRCUIT
AD-HOC NETWORK SYSTEM, TERMINAL DEVICE, CONTROL METHOD, AND PROGRAM
BUTTON TELEPHONE MAIN APPARATUS PERMITTING DESIGNATION OF HOLD RELEASE EXTENSION
TRANSMISSION POWER DETECTION DEVICE, AND APC TRANSMISSION CONTROL CIRCUIT DEVICE USING TRANSMISSION POWER DETECTION DEVICE
COMMUNICATION DEVICE AND COMMUNICATION METHOD
ELECTRONIC COMPONENT PACKAGE AND MANUFACTURING METHOD OF THE SAME
CIRCUIT BOARD AND ELECTRONIC APPARATUS USING THE SAME
METHOD OF MANUFACTURING WIRING SUBSTRATE
CONNECTOR FITTING STATE DETECTION DEVICE
POWER FEEDING PLUG LOCK DEVICE
ARRESTER WITH VACUUM GAP
COPPER-BASED SLIDING MATERIAL
MONITORING SYSTEM
SOLID-STATE IMAGE PICKUP DEVICE AND ELECTRONIC EQUIPMENT
AUTOMATIC FAUCET
