On-vehicle radio-communication terminal apparatus and emergency reporting network system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Apr 22, 2004
app pub date -
Aug 14, 2003
filing date -
May 10, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An on-vehicle radio-communication terminal apparatus uses a main battery as a power supply, and receives electric power from the power supply. A decision is made as to whether or not a voltage of the electric power from the power supply drops below a predetermined reference level. When it is decided that the voltage of the electric power from the power supply drops below the predetermined reference level, an auxiliary battery is used as at least part of the power supply.
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Family
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