Author has analyzed many schemes such as electric cable reading system , telephone line reading system , infrared ray reading system , hertzian waves reading system , 1c card reading system . we design a new scheme of combing infrared communication and serial communication based on client request and local condition 作者在分析了电力线抄表、电话线抄表、红外线抄表、无线射频抄表、 ic卡抄表等一系列抄表方案的优劣后，根据客户要求和现场实际，提出了将无线红外通信和有线串行通信相结合的抄表方案。
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