Emergency report device for vehicle

Details Emergency report device for vehicle Emergency report device for vehicle

2007-11-12

2010-10-12

Goins, Davetta W (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C324S433000, C701S045000

Reexamination Certificate

active

07812714

ABSTRACT:
An emergency report device comprises: a power supply control unit that switches an electric power source from a main battery to an auxiliary battery when a supply voltage of the main battery is smaller than a predetermined threshold value; and an auxiliary battery operational check unit that performs an operational check of the auxiliary battery if the operational check of the auxiliary battery is being performed at a time when the vehicle drive mechanism starts, and if the operational check of the auxiliary battery is being performed for a first time during a period between an end of a previous day and a present time. The operational checking of the auxiliary battery is based on a current input into the auxiliary battery operational check unit from the auxiliary battery.

REFERENCES:
patent: 6591176 (2003-07-01), Perry et al.
patent: 2005/0218902 (2005-10-01), Restaino et al.
patent: 11-272968 (1999-10-01), None
patent: 2000-222659 (2000-08-01), None
patent: 2000-298785 (2000-10-01), None
patent: 2003-246246 (2003-09-01), None

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