US Patent 10198884 Intelligent door lock system with accelerometer

An intelligent door lock and remote access system includes a mobile device with a controller that transmits a first signal. A lock device has a controller and an accelerometer. In response to a receipt of the first signal the mobile device begins a process for locking and unlocking a door where the lock is located. The lock device includes a controller and an accelerator, with the accelerator acting upon processing of the first signal and in response causing a rotation of an element coupled to the accelerator to unlock the door.