Wireless sensor unit

Communications: electrical – Condition responsive indicating system – With particular coupling link

Reexamination Certificate

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C340S505000, C340S003100, C340S003410, C340S870030

Reexamination Certificate

active

07142107

ABSTRACT:
A low cost, robust, wireless sensor that provides an extended period of operability without maintenance is described. The wireless sensors are configured to communicate with a base unit or repeater. When the sensor unit detects an anomalous ambient condition (e.g., smoke, fire, water, etc.) the sensor communicates with the base unit and provides data regarding the anomalous condition. The sensor unit receives instructions to change operating parameters and/or control external devices.

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