Ensuring emergency availability of communications devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 13, 2004
Grant Date -
N/A
app pub date -
Oct 27, 2000
filing date -
Oct 27, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A communications apparatus includes an energy storage device, such as a backup battery, that provides power in certain circumstances, such as when an external power supply is not available. The communications device determines an emergency threshold that provides sufficient power to communicate emergency information. The communications device also monitors the energy level remaining in the energy storage device and provides communications services so long as the energy level remaining in the energy storage device exceeds the emergency threshold.
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