US Patent 9367978 Control device access method and apparatus

Application software for a mobile device can provide an owner or operator of a premises with the ability to remotely grant a guest authorization to access an access control device on or in the premises. The access control device can control the operation of the one or more secondary devices, so that with the owner authorization, the guest can access the access control device to cause an action at the premises with the secondary device. The application software can further provide the owner/operator the ability to restrict the third party access, such as temporally or spatially.