Lg Electronics Inc.

Soongsil University

Eunseok Choi

Hophil Lee

Seungbeom Park

Kyubong Choi

Sharim Choe

Joonhyung Kim

Jonghak Lee

Junseop Lee

Hocheol Lee

Euiseok Lee

Dongseuck Ko

Jonghun Kwon

Jiman Hong

Dongchoon Kim

Taegyu Hwang

Sanghoon Choi

Bluetooth earset case

Provided is a location tracking system and a method of operating the location tracking system. The location tracking system selects either an indoor location tracking mode or an outdoor location tracking mode according to whether a user is currently indoors or outdoors and tracks the location of the user. The location tracking system tracks an indoor location of the user using access point (AP) signal intensity information and a step detection technique when tracking the location of a user in the indoor location tracking mode, and tracks the outdoor location of a user using a global positioning system (GPS) and a step detection technique when tracking the location of the user in the outdoor location tracking mode.

Location tracking system and method

Disclosed is a mobile terminal having a differentiated structure from the conventional one. The mobile terminal includes a neck band unit configured to be wearable on a user's neck, and having a main power supply unit; and a glass unit having a frame configured to be wearable on a user's head, having an input/output module installed at the frame, and electrically-connectable to the neck band unit so as to be provided with power from the main power supply unit, wherein the neck band unit is provided with accommodation recesses formed such that at least part thereof corresponds to the frame, and wherein the glass unit is coupled to the neck band unit when two ends thereof are inserted into the accommodation recesses, respectively, and wherein the glass unit is separated from the neck band unit when the two ends thereof are withdrawn from the accommodation recesses, respectively.

Growing community of inventors

Seoul, South Korea

Eunseok Choi