US Patent 10242552 Child safety alarm system

A vehicle having a horn and a light includes an alarm system secured to a ceiling of the vehicle. The alarm system includes a housing secured to the ceiling; a computer carried within the housing and in data communication with a thermal imaging sensor configured to determine if a party is left behind after the driver leaves the vehicle; a transceiver operably associated with the computer; and a mobile device operably associated with the transceiver. The method to notify a driver and/or third party if a party is left behind in a vehicle includes determining if the party is left behind via the thermal imaging sensor; and wirelessly notifying driver that the party has been left behind.