On-board emergency reporting apparatus and auxiliary battery...

Details On-board emergency reporting apparatus and auxiliary battery... On-board emergency reporting apparatus and auxiliary battery...

2011-01-11

2011-01-11

Pope, Daryl (Department: 2612)

Communications: electrical

Systems

Timer control

C340S425500, C340S428000, C340S430000, C340S693100, C340S693200

Reexamination Certificate

active

07868742

ABSTRACT:
An emergency reporting apparatus includes a power supply circuit, a control circuit, and a timer. The power supply circuit generates operating power of the emergency reporting apparatus from a vehicle battery in a vehicle battery mode and from an auxiliary battery in an auxiliary battery mode. The control circuit causes the power supply circuit to switch from the vehicle battery mode to the auxiliary battery mode in response to a trigger event and starts an emergency reporting procedure using the auxiliary battery. The timer measures time elapsed since the power supply circuit switches to the auxiliary battery mode. The control circuit causes the power supply circuit to switch back to the vehicle battery mode, when the elapsed time exceeds a predetermined threshold time period.

REFERENCES:
patent: 2004/0075345 (2004-04-01), Yoshioka et al.
patent: 2005/0181837 (2005-08-01), Sakai
patent: 2008/0088422 (2008-04-01), Sakai
patent: 2000-097711 (2000-04-01), None
patent: 2000-222659 (2000-08-01), None
patent: 2000-227983 (2000-08-01), None
patent: 2000-322677 (2000-11-01), None
patent: 2001-006070 (2001-01-01), None
patent: 2003-123172 (2003-04-01), None
patent: 2004-038634 (2004-02-01), None
patent: 2007-059218 (2007-03-01), None
patent: 2007-079950 (2007-03-01), None
Office Action dated Jun. 23, 2009 in corresponding Japanese Application No. 2007-043855.
Office Action dated Dec. 16, 2008 in Japanese Application No. 2007-043855.

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