It expatiates the implement method in detail, which involves the data communication state machine between gateway and Infra - red node, timer design and the management of data queue.

详细说明了红外网关的具体实现方法。其中包括网关与红外接收器的数据通信状态机、定时器设计以及数据队列管理。

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Infra-red communication suffers the same problems, but has the additional limitation of requiring a direct line of sight between objects as anyone who has tried to operate a television remote control with someone else standing between him and the television will know.

ECONOMIST: The human body as a computer bus

The patent points out that networked portable devices which employ infra-red or radio-frequency communication have limitations.

ECONOMIST: The human body as a computer bus