This article introduces the IC Card Gas Meter Charge system's operation principle including the function, the system construction frame, the hardware architecture, the software flow diagram and so on.
介绍了IC卡煤气表收费系统的工作原理，主要包括其功能、系统结构框图、原理图及其软件流程设计等。
A remote automation meter data reading system for low voltage electric power user is introduced. It gives configuration block diagram, principle and system characteristic.
介绍一种低压电力用户远程自动抄表系统，给出了该系统的结构框图，简述了其工作原理与系统的功能特点。
Standard signal generator (Figure 1 standard signal generator diagram) of the output signal level accurate readings, the increase in the rate of transfer or shift can also read the meter.
标准信号发生器(图1标准信号发生器框图)的输出信号电平能准确读数，所加的调幅度或频偏也能用电表读出。
应用推荐