System to detect the presence of an unattended child in a...

Details System to detect the presence of an unattended child in a... System to detect the presence of an unattended child in a...

2007-01-30

2007-01-30

Swarthout, Brent A. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

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

C340S439000, C340S573100

Reexamination Certificate

active

10889144

ABSTRACT:
A system detects the presence of an unattended child within a vehicle and when the child is so detected, disables the vehicle's door locks by preventing doors from being locked or remaining locked and sounds an alarm. The presence of a child is detected by measuring pressure on the back seat and measurements above a threshold limit signify a child is present or if any of the rear seat belts are buckled a child is detected. The system can be shut off by the driver, although the system has an override in the shutoff mode so that if the temperature rises above or falls below a certain level and the presence of a child is detected, the alarm is sounded. In this mode, the presence of the child can also be detected by a motion sensor.

REFERENCES:
patent: 5793291 (1998-08-01), Thornton
patent: 6489889 (2002-12-01), Smith
patent: 6768420 (2004-07-01), McCarthy et al.
patent: 6792339 (2004-09-01), Basson et al.
patent: 6922147 (2005-07-01), Viksnins et al.
patent: 6924742 (2005-08-01), Mesina
patent: 2002/0161501 (2002-10-01), Dulin et al.
patent: 2003/0222775 (2003-12-01), Rackham et al.

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