发明授权
US5815558A Dial inbound meter interface unit which uses two elements for coupling to and isolating from meter 失效
拨入入口仪表接口单元,其使用两个元件耦合并与仪表隔离

Dial inbound meter interface unit which uses two elements for coupling
to and isolating from meter
摘要:
The invention is a dial inbound MIU which includes only two elements, a transformer and an optoisolator, to couple timing and power signals to the meter whose data is being measured and to retrieve data from the meter.
公开/授权文献
信息查询
0/0