Patent ID: 9219731
Filing Date: 2015-12-22
Classification: G06F,H04L,H04N

Abstract:
1. An image forming apparatus comprising: a communication interface unit to perform communication with a cloud server that provides an application service; a user interface unit to display a screen and receive a user input; a storage unit to store a database that corresponds to an application that is installed in the image forming apparatus; an image forming operation performing unit to perform an image forming operation; a control unit, wherein the control unit stores user log-in information in the database that corresponds to the application, so as to match the user log-in information with a user account for the image forming apparatus, and manages a log-in to a user account for the application by using the stored user log-in information; a user log-in information managing unit to receive a token from the cloud server, encrypt the token for security, and store the encrypted token in the user log-in information that matches with the user account for the image forming apparatus, when the user, who logs into the user account for the image forming apparatus, logs into the user account for the application, and a log-in maintenance managing unit to maintain the log-in status to the user account for the application by periodically transmitting the token that is stored in the user log-in information to the cloud server.