US Patent 11004284 Smart home system, method, and computer program

A smart home system is provided. In operation, a user input of a guest at a location is detected, and calendar information is received from a calendar application. In response to detecting the user input, an identity of a guest is determined. Utilizing the identify of the guest, it is determined that the guest is expected for a calendared event at the location by reviewing the calendar information from the calendar application. Utilizing the determined identity of the guest and the determination that the guest is expected for the calendared event at the location, a visual notification is outputted, and an audible notification is outputted.