Wireless sensor device

Details Wireless sensor device Wireless sensor device

2011-06-21

2011-06-21

Tweel, Jr., John A (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S572100

Reexamination Certificate

active

07965180

ABSTRACT:
A wireless sensor device capable of constant operation without replacement of batteries. The wireless sensor device is equipped with a rechargeable battery and the battery is recharged wirelessly. Radio waves received at an antenna circuit are converted into electrical energy and stored in the battery. A sensor circuit operates with the electrical energy stored in the battery, and acquires information. Then, a signal containing the information acquired is converted into radio waves at the antenna circuit, whereby the information can be read out wirelessly.

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