Patent ID: 9518408
Filing Date: 2016-12-13
CPC Classification: B60K,B60R,B60W,E05B,G07C

Claim Text:
1. A door latch system for doors of motor vehicles, the door latch system comprising: a door latch including a powered lock that is configured to be operably connected to a first electrical power supply, the powered lock defining locked and unlocked conditions whereby the latch is released upon movement of an exterior door handle when the powered lock is unlocked, and wherein the latch does not release upon movement of an exterior door handle when the powered lock is locked; a first electrical power supply; an electronic controller operably connected to the powered lock, wherein the electronic controller is configured to receive an unlock command signal from a smart phone; a second electrical power supply configured to be operably connected to the powered lock; and a user input device operably connected to the first and second electrical power supplies, the user input device including at least one of a keypad mounted on a vehicle and a biometric device wherein the user input device can be utilized to input a security code, and wherein: the electronic controller is configured to unlock the powered lock utilizing electrical power from the first electrical power supply responsive to an authorized security code that is input using the user input device, and responsive to the controller receiving an unlock command signal from a smart phone, and wherein the door latch system is configured to cause the powered lock to be unlocked utilizing electrical power from the second electrical power supply responsive to an authorized security code that is input using the user input device.