Invention Grant
US08260251B2 In-vehicle emergency call apparatus 有权
车载紧急呼叫装置

In-vehicle emergency call apparatus
Abstract:
An in-vehicle emergency call apparatus takes in positioning data from a GPS receiver instead of from a navigation system. If the positioning data from the GPS receiver changes when the input of the ignition signal is off, the in-vehicle emergency call apparatus determines that the ignition signal breaks down, and failure of the ignition signal is reported to the user.
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