Samsung Electronics Co., Ltd.

Hyo Jin Jung

Jae Young Lee

Yong Seok Park

A terminal device is provided. The terminal device includes an input unit configured to receive an input of a user command inviting a non-subscriber of a messaging service to join a messaging group, and a communication unit configured to transmit a request for invitation information to a server, when the invitation information is received from the server, to transmit an invitation message including the invitation information and an application installation Uniform Resource Locator (URL) to a non-subscriber terminal, and when a join result of the non-subscriber joining the messaging service is received, to transmit a request for an invitation of the non-subscriber to the messaging group.

Terminal device, server, and method of providing messaging service

A mobile terminal and system scan method thereof is provided for effectively acquiring system information. The system scanning method includes performing a first scanning process on entire channels registered to a Preferred Roaming List (PRL) for acquiring system information, calculating, when the system information is not acquired in the first scanning process, a power saving time and a second scan time on the basis of a first scan time taken for the first scanning process, the second scan time being equal to the first scan time, and performing a second scanning process and a power saving process, on the basis of the power saving time and the second scan time, alternately until the system information is acquired.

Growing community of inventors

Yongin-si, South Korea

Hyo Jin Jung