发明授权
US5023822A Pulse ratio system 失效
脉搏比系统

Pulse ratio system
摘要:
A programmable system for providing a programmable ratio of output pulses to input pulses. The programmable system receives pulses from an electric power meter and outputs a programmable number of pulses representing a number of kilowatt hours consumed. Various electric power meter disk patterns can be processed by the programmable system. The programmable ratio can be applied via input pins and/or via an external memory.
信息查询
0/0