| abstract |
An intelligent door lock system includes a position sensing device at a dwelling configured to be coupled to a drive shaft of a lock device to assist in locking and unlocking a lock of a lock device. An engine with a memory is coupled to the positioning sensing device. An energy source is provided. At least one motion detection device looks for a person at or near a door or window at the dwelling. A device converts energy into mechanical energy is coupled to the positioning sensing device and the drive shaft. The device that converts energy is coupled to the energy source to receive energy from the energy source. |