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US07965646B2 Wireless code-passing system for stateful connection monitoring 有权
无线代码传输系统,用于状态连接监控

Wireless code-passing system for stateful connection monitoring
Abstract:
A stateful connection is monitored between wireless communications devices. A first code packet is generated at a first wireless communications device. The first code packet is transmitted from the first wireless communications device to a second o wireless communications device. A determination is made whether a second code packet generated by the second wireless communications device in response to receipt of the first code packet is received by the first wireless communications device within a predetermined time.
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