Environmental condition monitoring of a container
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United States of America Patent
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Aug 31, 2010
Issued Date -
N/A
app pub date -
May 18, 2006
filing date -
May 18, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In an embodiment, the invention is directed to a device including an environmental condition sensor, a light sensor; and a control module. The control module associates a light intensity above a defined threshold with an open-door status of a container. In another embodiment, a device includes an environmental condition sensor, a rewriteable memory that stores environmental condition data from the environmental condition sensor, and a wireless communication module that transmits stored environmental condition data. Embodiments of the invention may be useful to provide techniques for monitoring environmental conditions within a container, such as a refrigerated trailer.
First Claim
Family
International Classification(s)
- B60H:ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, V....
- G01K:MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT;....
- G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- G05D:SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC....
- F25B:REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBIN....
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