Wireless sensor unit communication triggering and management
First Claim
1. A wireless ambient sensor apparatus, the apparatus comprising:
- means for measuring an ambient condition;
means for comparing data measured about the ambient condition to a stored threshold value while the apparatus is functioning in a low-power mode;
means for exiting the low-power mode in response to the comparison of the data with the stored threshold value; and
means for transmitting one or more encrypted messages indicative of the data in response to the comparison to the stored threshold value, wherein the data is transmitted while the apparatus is out of the low-power mode and the one or more messages comprises;
an address that identifies the apparatus, a checksum, and an authenticity portion for use in verifying an authenticity of the packet.
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Abstract
Various embodiments of wireless ambient sensor unit are presented. The sensor unit may include a wireless transceiver configured to transmit sensor data and to receive instructions. The sensor unit may include a sensor configured to measure an ambient condition. The sensor unit may include a controller in communication with the wireless transceiver and the sensor. The controller may be configured to compare data measured about the ambient condition to a stored threshold while the wireless ambient sensor unit is functioning in a low-power mode. The controller may be configured to exit the low-power mode in response to the comparison of the data with the stored threshold. The controller may be configured to cause the data measured about the ambient condition to be transmitted by the wireless transceiver as one or more messages in response to the comparison to the stored threshold.
308 Citations
12 Claims
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1. A wireless ambient sensor apparatus, the apparatus comprising:
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means for measuring an ambient condition; means for comparing data measured about the ambient condition to a stored threshold value while the apparatus is functioning in a low-power mode; means for exiting the low-power mode in response to the comparison of the data with the stored threshold value; and means for transmitting one or more encrypted messages indicative of the data in response to the comparison to the stored threshold value, wherein the data is transmitted while the apparatus is out of the low-power mode and the one or more messages comprises;
an address that identifies the apparatus, a checksum, and an authenticity portion for use in verifying an authenticity of the packet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification